diff options
Diffstat (limited to 'arch/alpha')
172 files changed, 3860 insertions, 4691 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 56a4df952fb..b7ff9a318c3 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -1,20 +1,32 @@ config ALPHA bool default y + select ARCH_MIGHT_HAVE_PC_PARPORT + select ARCH_MIGHT_HAVE_PC_SERIO select HAVE_AOUT select HAVE_IDE select HAVE_OPROFILE - select HAVE_SYSCALL_WRAPPERS - select HAVE_IRQ_WORK select HAVE_PCSPKR_PLATFORM select HAVE_PERF_EVENTS select HAVE_DMA_ATTRS - select HAVE_GENERIC_HARDIRQS + select VIRT_TO_BUS select GENERIC_IRQ_PROBE select AUTO_IRQ_AFFINITY if SMP select GENERIC_IRQ_SHOW select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_WANT_IPC_PARSE_VERSION select ARCH_HAVE_NMI_SAFE_CMPXCHG + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE + select AUDIT_ARCH + select GENERIC_CLOCKEVENTS + select GENERIC_SMP_IDLE_THREAD + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER + select HAVE_ARCH_AUDITSYSCALL + select HAVE_MOD_ARCH_SPECIFIC + select MODULES_USE_ELF_RELA + select ODD_RT_SIGACTION + select OLD_SIGSUSPEND help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, @@ -47,12 +59,6 @@ config GENERIC_CALIBRATE_DELAY bool default y -config GENERIC_CMOS_UPDATE - def_bool y - -config GENERIC_GPIO - bool - config ZONE_DMA bool default y @@ -73,6 +79,8 @@ config GENERIC_ISA_DMA source "init/Kconfig" source "kernel/Kconfig.freezer" +config AUDIT_ARCH + bool menu "System setup" @@ -120,6 +128,7 @@ choice config ALPHA_GENERIC bool "Generic" + depends on TTY help A generic kernel will run on all supported Alpha hardware. @@ -477,15 +486,30 @@ config ALPHA_BROKEN_IRQ_MASK config VGA_HOSE bool - depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI + depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI) default y help Support VGA on an arbitrary hose; needed for several platforms which always have multiple hoses, and whose consoles support it. +config ALPHA_QEMU + bool "Run under QEMU emulation" + depends on !ALPHA_GENERIC + ---help--- + Assume the presence of special features supported by QEMU PALcode + that reduce the overhead of system emulation. + + Generic kernels will auto-detect QEMU. But when building a + system-specific kernel, the assumption is that we want to + elimiate as many runtime tests as possible. + + If unsure, say N. + + config ALPHA_SRM bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME + depends on TTY default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL ---help--- There are two different types of booting firmware on Alphas: SRM, @@ -518,16 +542,15 @@ config ARCH_MAY_HAVE_PC_FDC config SMP bool "Symmetric multi-processing support" depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have - a system with only one CPU, like most personal computers, say N. If - you have a system with more than one CPU, say Y. + a system with only one CPU, say N. If you have a system with more + than one CPU, say Y. - If you say N here, the kernel will run on single and multiprocessor + If you say N here, the kernel will run on uni- and multiprocessor machines, but will use only one CPU of a multiprocessor machine. If you say Y here, the kernel will run on many, but not all, - singleprocessor machines. On a singleprocessor machine, the kernel + uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. See also the SMP-HOWTO available at @@ -551,8 +574,7 @@ config NR_CPUS with working support have a maximum of 4 CPUs. config ARCH_DISCONTIGMEM_ENABLE - bool "Discontiguous Memory Support (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "Discontiguous Memory Support" help Say Y to support efficient handling of discontiguous physical memory, for architectures which are either NUMA (Non-Uniform Memory Access) @@ -569,6 +591,30 @@ config NUMA Access). This option is for configuring high-end multiprocessor server machines. If in doubt, say N. +config ALPHA_WTINT + bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC + default y if ALPHA_QEMU + default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA) + default n if !ALPHA_SRM && !ALPHA_GENERIC + default y if SMP + ---help--- + The Wait for Interrupt (WTINT) PALcall attempts to place the CPU + to sleep until the next interrupt. This may reduce the power + consumed, and the heat produced by the computer. However, it has + the side effect of making the cycle counter unreliable as a timing + device across the sleep. + + For emulation under QEMU, definitely say Y here, as we have other + mechanisms for measuring time than the cycle counter. + + For EV4 (but not LCA), EV5 and EV56 systems, or for systems running + MILO, sleep mode is not supported so you might as well say N here. + + For SMP systems we cannot use the cycle counter for timing anyway, + so you might as well say Y here. + + If unsure, say N. + config NODES_SHIFT int default "7" @@ -610,9 +656,41 @@ config VERBOSE_MCHECK_ON Take the default (1) unless you want more control or more info. +choice + prompt "Timer interrupt frequency (HZ)?" + default HZ_128 if ALPHA_QEMU + default HZ_1200 if ALPHA_RAWHIDE + default HZ_1024 + ---help--- + The frequency at which timer interrupts occur. A high frequency + minimizes latency, whereas a low frequency minimizes overhead of + process accounting. The later effect is especially significant + when being run under QEMU. + + Note that some Alpha hardware cannot change the interrupt frequency + of the timer. If unsure, say 1024 (or 1200 for Rawhide). + + config HZ_32 + bool "32 Hz" + config HZ_64 + bool "64 Hz" + config HZ_128 + bool "128 Hz" + config HZ_256 + bool "256 Hz" + config HZ_1024 + bool "1024 Hz" + config HZ_1200 + bool "1200 Hz" +endchoice + config HZ - int - default 1200 if ALPHA_RAWHIDE + int + default 32 if HZ_32 + default 64 if HZ_64 + default 128 if HZ_128 + default 256 if HZ_256 + default 1200 if HZ_1200 default 1024 source "drivers/pci/Kconfig" diff --git a/arch/alpha/Makefile b/arch/alpha/Makefile index 4759fe751aa..2cc3cc519c5 100644 --- a/arch/alpha/Makefile +++ b/arch/alpha/Makefile @@ -12,7 +12,7 @@ NM := $(NM) -B LDFLAGS_vmlinux := -static -N #-relax CHECKFLAGS += -D__alpha__ -m64 -cflags-y := -pipe -mno-fp-regs -ffixed-8 -msmall-data +cflags-y := -pipe -mno-fp-regs -ffixed-8 cflags-y += $(call cc-option, -fno-jump-tables) cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4 diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c index be61670d409..2a542a50655 100644 --- a/arch/alpha/boot/bootp.c +++ b/arch/alpha/boot/bootp.c @@ -13,7 +13,6 @@ #include <generated/utsrelease.h> #include <linux/mm.h> -#include <asm/system.h> #include <asm/console.h> #include <asm/hwrpb.h> #include <asm/pgtable.h> diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c index c98865f2142..d6ad191698d 100644 --- a/arch/alpha/boot/bootpz.c +++ b/arch/alpha/boot/bootpz.c @@ -15,7 +15,6 @@ #include <generated/utsrelease.h> #include <linux/mm.h> -#include <asm/system.h> #include <asm/console.h> #include <asm/hwrpb.h> #include <asm/pgtable.h> diff --git a/arch/alpha/boot/head.S b/arch/alpha/boot/head.S index f3d98089b3d..8efb26686d4 100644 --- a/arch/alpha/boot/head.S +++ b/arch/alpha/boot/head.S @@ -4,7 +4,7 @@ * initial bootloader stuff.. */ -#include <asm/system.h> +#include <asm/pal.h> .set noreorder .globl __start diff --git a/arch/alpha/boot/main.c b/arch/alpha/boot/main.c index ded57d9a80e..3baf2d1e908 100644 --- a/arch/alpha/boot/main.c +++ b/arch/alpha/boot/main.c @@ -11,7 +11,6 @@ #include <generated/utsrelease.h> #include <linux/mm.h> -#include <asm/system.h> #include <asm/console.h> #include <asm/hwrpb.h> #include <asm/pgtable.h> diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index e423defed91..96e54bed508 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -1,10 +1,9 @@ -include include/asm-generic/Kbuild.asm -header-y += compiler.h -header-y += console.h -header-y += fpu.h -header-y += gentrap.h -header-y += pal.h -header-y += reg.h -header-y += regdef.h -header-y += sysinfo.h + +generic-y += clkdev.h +generic-y += cputime.h +generic-y += exec.h +generic-y += hash.h +generic-y += mcs_spinlock.h +generic-y += preempt.h +generic-y += trace_clock.h diff --git a/arch/alpha/include/asm/a.out.h b/arch/alpha/include/asm/a.out.h index acdc681231c..9abbd245530 100644 --- a/arch/alpha/include/asm/a.out.h +++ b/arch/alpha/include/asm/a.out.h @@ -1,94 +1,8 @@ #ifndef __ALPHA_A_OUT_H__ #define __ALPHA_A_OUT_H__ -#include <linux/types.h> +#include <uapi/asm/a.out.h> -/* - * OSF/1 ECOFF header structs. ECOFF files consist of: - * - a file header (struct filehdr), - * - an a.out header (struct aouthdr), - * - one or more section headers (struct scnhdr). - * The filhdr's "f_nscns" field contains the - * number of section headers. - */ - -struct filehdr -{ - /* OSF/1 "file" header */ - __u16 f_magic, f_nscns; - __u32 f_timdat; - __u64 f_symptr; - __u32 f_nsyms; - __u16 f_opthdr, f_flags; -}; - -struct aouthdr -{ - __u64 info; /* after that it looks quite normal.. */ - __u64 tsize; - __u64 dsize; - __u64 bsize; - __u64 entry; - __u64 text_start; /* with a few additions that actually make sense */ - __u64 data_start; - __u64 bss_start; - __u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */ - __u64 gpvalue; -}; - -struct scnhdr -{ - char s_name[8]; - __u64 s_paddr; - __u64 s_vaddr; - __u64 s_size; - __u64 s_scnptr; - __u64 s_relptr; - __u64 s_lnnoptr; - __u16 s_nreloc; - __u16 s_nlnno; - __u32 s_flags; -}; - -struct exec -{ - /* OSF/1 "file" header */ - struct filehdr fh; - struct aouthdr ah; -}; - -/* - * Define's so that the kernel exec code can access the a.out header - * fields... - */ -#define a_info ah.info -#define a_text ah.tsize -#define a_data ah.dsize -#define a_bss ah.bsize -#define a_entry ah.entry -#define a_textstart ah.text_start -#define a_datastart ah.data_start -#define a_bssstart ah.bss_start -#define a_gprmask ah.gprmask -#define a_fprmask ah.fprmask -#define a_gpvalue ah.gpvalue - -#define N_TXTADDR(x) ((x).a_textstart) -#define N_DATADDR(x) ((x).a_datastart) -#define N_BSSADDR(x) ((x).a_bssstart) -#define N_DRSIZE(x) 0 -#define N_TRSIZE(x) 0 -#define N_SYMSIZE(x) 0 - -#define AOUTHSZ sizeof(struct aouthdr) -#define SCNHSZ sizeof(struct scnhdr) -#define SCNROUND 16 - -#define N_TXTOFF(x) \ - ((long) N_MAGIC(x) == ZMAGIC ? 0 : \ - (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1)) - -#ifdef __KERNEL__ /* Assume that start addresses below 4G belong to a TASO application. Unfortunately, there is no proper bit in the exec header to check. @@ -98,5 +12,4 @@ struct exec set_personality (((BFPM->taso || EX.ah.entry < 0x100000000L \ ? ADDR_LIMIT_32BIT : 0) | PER_OSF4)) -#endif /* __KERNEL__ */ #endif /* __A_OUT_GNU_H__ */ diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h index 640f909ddd4..ed60a1ee1ed 100644 --- a/arch/alpha/include/asm/atomic.h +++ b/arch/alpha/include/asm/atomic.h @@ -3,7 +3,7 @@ #include <linux/types.h> #include <asm/barrier.h> -#include <asm/system.h> +#include <asm/cmpxchg.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -14,8 +14,8 @@ */ -#define ATOMIC_INIT(i) ( (atomic_t) { (i) } ) -#define ATOMIC64_INIT(i) ( (atomic64_t) { (i) } ) +#define ATOMIC_INIT(i) { (i) } +#define ATOMIC64_INIT(i) { (i) } #define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic64_read(v) (*(volatile long *)&(v)->counter) @@ -186,17 +186,24 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) */ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { - int c, old; - c = atomic_read(v); - for (;;) { - if (unlikely(c == (u))) - break; - old = atomic_cmpxchg((v), c, c + (a)); - if (likely(old == c)) - break; - c = old; - } - return c; + int c, new, old; + smp_mb(); + __asm__ __volatile__( + "1: ldl_l %[old],%[mem]\n" + " cmpeq %[old],%[u],%[c]\n" + " addl %[old],%[a],%[new]\n" + " bne %[c],2f\n" + " stl_c %[new],%[mem]\n" + " beq %[new],3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : [old] "=&r"(old), [new] "=&r"(new), [c] "=&r"(c) + : [mem] "m"(*v), [a] "rI"(a), [u] "rI"((long)u) + : "memory"); + smp_mb(); + return old; } @@ -207,21 +214,56 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns the old value of @v. + * Returns true iff @v was not @u. */ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) { - long c, old; - c = atomic64_read(v); - for (;;) { - if (unlikely(c == (u))) - break; - old = atomic64_cmpxchg((v), c, c + (a)); - if (likely(old == c)) - break; - c = old; - } - return c != (u); + long c, tmp; + smp_mb(); + __asm__ __volatile__( + "1: ldq_l %[tmp],%[mem]\n" + " cmpeq %[tmp],%[u],%[c]\n" + " addq %[tmp],%[a],%[tmp]\n" + " bne %[c],2f\n" + " stq_c %[tmp],%[mem]\n" + " beq %[tmp],3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : [tmp] "=&r"(tmp), [c] "=&r"(c) + : [mem] "m"(*v), [a] "rI"(a), [u] "rI"(u) + : "memory"); + smp_mb(); + return !c; +} + +/* + * atomic64_dec_if_positive - decrement by 1 if old value positive + * @v: pointer of type atomic_t + * + * The function returns the old value of *v minus 1, even if + * the atomic variable, v, was not decremented. + */ +static inline long atomic64_dec_if_positive(atomic64_t *v) +{ + long old, tmp; + smp_mb(); + __asm__ __volatile__( + "1: ldq_l %[old],%[mem]\n" + " subq %[old],1,%[tmp]\n" + " ble %[old],2f\n" + " stq_c %[tmp],%[mem]\n" + " beq %[tmp],3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : [old] "=&r"(old), [tmp] "=&r"(tmp) + : [mem] "m"(*v) + : "memory"); + smp_mb(); + return old - 1; } #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) @@ -250,9 +292,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic_dec(v) atomic_sub(1,(v)) #define atomic64_dec(v) atomic64_sub(1,(v)) -#define smp_mb__before_atomic_dec() smp_mb() -#define smp_mb__after_atomic_dec() smp_mb() -#define smp_mb__before_atomic_inc() smp_mb() -#define smp_mb__after_atomic_inc() smp_mb() - #endif /* _ALPHA_ATOMIC_H */ diff --git a/arch/alpha/include/asm/barrier.h b/arch/alpha/include/asm/barrier.h index ce8860a0b32..3832bdb794f 100644 --- a/arch/alpha/include/asm/barrier.h +++ b/arch/alpha/include/asm/barrier.h @@ -3,33 +3,18 @@ #include <asm/compiler.h> -#define mb() \ -__asm__ __volatile__("mb": : :"memory") +#define mb() __asm__ __volatile__("mb": : :"memory") +#define rmb() __asm__ __volatile__("mb": : :"memory") +#define wmb() __asm__ __volatile__("wmb": : :"memory") -#define rmb() \ -__asm__ __volatile__("mb": : :"memory") - -#define wmb() \ -__asm__ __volatile__("wmb": : :"memory") - -#define read_barrier_depends() \ -__asm__ __volatile__("mb": : :"memory") +#define read_barrier_depends() __asm__ __volatile__("mb": : :"memory") #ifdef CONFIG_SMP #define __ASM_SMP_MB "\tmb\n" -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() #else #define __ASM_SMP_MB -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while (0) #endif -#define set_mb(var, value) \ -do { var = value; mb(); } while (0) +#include <asm-generic/barrier.h> #endif /* __BARRIER_H */ diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h index a19ba5efea4..4bdfbd444e6 100644 --- a/arch/alpha/include/asm/bitops.h +++ b/arch/alpha/include/asm/bitops.h @@ -53,9 +53,6 @@ __set_bit(unsigned long nr, volatile void * addr) *m |= 1 << (nr & 31); } -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() - static inline void clear_bit(unsigned long nr, volatile void * addr) { diff --git a/arch/alpha/include/asm/cmpxchg.h b/arch/alpha/include/asm/cmpxchg.h new file mode 100644 index 00000000000..429e8cd0d78 --- /dev/null +++ b/arch/alpha/include/asm/cmpxchg.h @@ -0,0 +1,71 @@ +#ifndef _ALPHA_CMPXCHG_H +#define _ALPHA_CMPXCHG_H + +/* + * Atomic exchange routines. + */ + +#define __ASM__MB +#define ____xchg(type, args...) __xchg ## type ## _local(args) +#define ____cmpxchg(type, args...) __cmpxchg ## type ## _local(args) +#include <asm/xchg.h> + +#define xchg_local(ptr, x) \ +({ \ + __typeof__(*(ptr)) _x_ = (x); \ + (__typeof__(*(ptr))) __xchg_local((ptr), (unsigned long)_x_, \ + sizeof(*(ptr))); \ +}) + +#define cmpxchg_local(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, \ + sizeof(*(ptr))); \ +}) + +#define cmpxchg64_local(ptr, o, n) \ +({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ +}) + +#ifdef CONFIG_SMP +#undef __ASM__MB +#define __ASM__MB "\tmb\n" +#endif +#undef ____xchg +#undef ____cmpxchg +#define ____xchg(type, args...) __xchg ##type(args) +#define ____cmpxchg(type, args...) __cmpxchg ##type(args) +#include <asm/xchg.h> + +#define xchg(ptr, x) \ +({ \ + __typeof__(*(ptr)) _x_ = (x); \ + (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, \ + sizeof(*(ptr))); \ +}) + +#define cmpxchg(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr)));\ +}) + +#define cmpxchg64(ptr, o, n) \ +({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg((ptr), (o), (n)); \ +}) + +#undef __ASM__MB +#undef ____cmpxchg + +#define __HAVE_ARCH_CMPXCHG 1 + +#endif /* _ALPHA_CMPXCHG_H */ diff --git a/arch/alpha/include/asm/compiler.h b/arch/alpha/include/asm/compiler.h index da6bb199839..a7720b96bcc 100644 --- a/arch/alpha/include/asm/compiler.h +++ b/arch/alpha/include/asm/compiler.h @@ -1,119 +1,8 @@ #ifndef __ALPHA_COMPILER_H #define __ALPHA_COMPILER_H -/* - * Herein are macros we use when describing various patterns we want to GCC. - * In all cases we can get better schedules out of the compiler if we hide - * as little as possible inside inline assembly. However, we want to be - * able to know what we'll get out before giving up inline assembly. Thus - * these tests and macros. - */ +#include <uapi/asm/compiler.h> -#if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 -# define __kernel_insbl(val, shift) __builtin_alpha_insbl(val, shift) -# define __kernel_inswl(val, shift) __builtin_alpha_inswl(val, shift) -# define __kernel_insql(val, shift) __builtin_alpha_insql(val, shift) -# define __kernel_inslh(val, shift) __builtin_alpha_inslh(val, shift) -# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift) -# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift) -# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b) -#else -# define __kernel_insbl(val, shift) \ - ({ unsigned long __kir; \ - __asm__("insbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ - __kir; }) -# define __kernel_inswl(val, shift) \ - ({ unsigned long __kir; \ - __asm__("inswl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ - __kir; }) -# define __kernel_insql(val, shift) \ - ({ unsigned long __kir; \ - __asm__("insql %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ - __kir; }) -# define __kernel_inslh(val, shift) \ - ({ unsigned long __kir; \ - __asm__("inslh %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ - __kir; }) -# define __kernel_extbl(val, shift) \ - ({ unsigned long __kir; \ - __asm__("extbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ - __kir; }) -# define __kernel_extwl(val, shift) \ - ({ unsigned long __kir; \ - __asm__("extwl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ - __kir; }) -# define __kernel_cmpbge(a, b) \ - ({ unsigned long __kir; \ - __asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \ - __kir; }) -#endif - -#ifdef __alpha_cix__ -# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 -# define __kernel_cttz(x) __builtin_ctzl(x) -# define __kernel_ctlz(x) __builtin_clzl(x) -# define __kernel_ctpop(x) __builtin_popcountl(x) -# else -# define __kernel_cttz(x) \ - ({ unsigned long __kir; \ - __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# define __kernel_ctlz(x) \ - ({ unsigned long __kir; \ - __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# define __kernel_ctpop(x) \ - ({ unsigned long __kir; \ - __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# endif -#else -# define __kernel_cttz(x) \ - ({ unsigned long __kir; \ - __asm__(".arch ev67; cttz %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# define __kernel_ctlz(x) \ - ({ unsigned long __kir; \ - __asm__(".arch ev67; ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# define __kernel_ctpop(x) \ - ({ unsigned long __kir; \ - __asm__(".arch ev67; ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -#endif - - -/* - * Beginning with EGCS 1.1, GCC defines __alpha_bwx__ when the BWX - * extension is enabled. Previous versions did not define anything - * we could test during compilation -- too bad, so sad. - */ - -#if defined(__alpha_bwx__) -#define __kernel_ldbu(mem) (mem) -#define __kernel_ldwu(mem) (mem) -#define __kernel_stb(val,mem) ((mem) = (val)) -#define __kernel_stw(val,mem) ((mem) = (val)) -#else -#define __kernel_ldbu(mem) \ - ({ unsigned char __kir; \ - __asm__(".arch ev56; \ - ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \ - __kir; }) -#define __kernel_ldwu(mem) \ - ({ unsigned short __kir; \ - __asm__(".arch ev56; \ - ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \ - __kir; }) -#define __kernel_stb(val,mem) \ - __asm__(".arch ev56; \ - stb %1,%0" : "=m"(mem) : "r"(val)) -#define __kernel_stw(val,mem) \ - __asm__(".arch ev56; \ - stw %1,%0" : "=m"(mem) : "r"(val)) -#endif - -#ifdef __KERNEL__ /* Some idiots over in <linux/compiler.h> thought inline should imply always_inline. This breaks stuff. We'll include this file whenever we run into such problems. */ @@ -125,6 +14,4 @@ #undef __always_inline #define __always_inline inline __attribute__((always_inline)) -#endif /* __KERNEL__ */ - #endif /* __ALPHA_COMPILER_H */ diff --git a/arch/alpha/include/asm/console.h b/arch/alpha/include/asm/console.h index a3ce4e62249..f2b584fe099 100644 --- a/arch/alpha/include/asm/console.h +++ b/arch/alpha/include/asm/console.h @@ -1,52 +1,8 @@ #ifndef __AXP_CONSOLE_H #define __AXP_CONSOLE_H -/* - * Console callback routine numbers - */ -#define CCB_GETC 0x01 -#define CCB_PUTS 0x02 -#define CCB_RESET_TERM 0x03 -#define CCB_SET_TERM_INT 0x04 -#define CCB_SET_TERM_CTL 0x05 -#define CCB_PROCESS_KEYCODE 0x06 -#define CCB_OPEN_CONSOLE 0x07 -#define CCB_CLOSE_CONSOLE 0x08 +#include <uapi/asm/console.h> -#define CCB_OPEN 0x10 -#define CCB_CLOSE 0x11 -#define CCB_IOCTL 0x12 -#define CCB_READ 0x13 -#define CCB_WRITE 0x14 - -#define CCB_SET_ENV 0x20 -#define CCB_RESET_ENV 0x21 -#define CCB_GET_ENV 0x22 -#define CCB_SAVE_ENV 0x23 - -#define CCB_PSWITCH 0x30 -#define CCB_BIOS_EMUL 0x32 - -/* - * Environment variable numbers - */ -#define ENV_AUTO_ACTION 0x01 -#define ENV_BOOT_DEV 0x02 -#define ENV_BOOTDEF_DEV 0x03 -#define ENV_BOOTED_DEV 0x04 -#define ENV_BOOT_FILE 0x05 -#define ENV_BOOTED_FILE 0x06 -#define ENV_BOOT_OSFLAGS 0x07 -#define ENV_BOOTED_OSFLAGS 0x08 -#define ENV_BOOT_RESET 0x09 -#define ENV_DUMP_DEV 0x0A -#define ENV_ENABLE_AUDIT 0x0B -#define ENV_LICENSE 0x0C -#define ENV_CHAR_SET 0x0D -#define ENV_LANGUAGE 0x0E -#define ENV_TTY_DEV 0x0F - -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ extern long callback_puts(long unit, const char *s, long length); extern long callback_getc(long unit); @@ -70,6 +26,4 @@ struct hwrpb_struct; extern int callback_init_done; extern void * callback_init(void *); #endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ - #endif /* __AXP_CONSOLE_H */ diff --git a/arch/alpha/include/asm/core_lca.h b/arch/alpha/include/asm/core_lca.h index f7cb4b46095..8ee6c516279 100644 --- a/arch/alpha/include/asm/core_lca.h +++ b/arch/alpha/include/asm/core_lca.h @@ -1,8 +1,8 @@ #ifndef __ALPHA_LCA__H__ #define __ALPHA_LCA__H__ -#include <asm/system.h> #include <asm/compiler.h> +#include <asm/mce.h> /* * Low Cost Alpha (LCA) definitions (these apply to 21066 and 21068, diff --git a/arch/alpha/include/asm/core_mcpcia.h b/arch/alpha/include/asm/core_mcpcia.h index 9f67a056b46..ad44bef29fb 100644 --- a/arch/alpha/include/asm/core_mcpcia.h +++ b/arch/alpha/include/asm/core_mcpcia.h @@ -7,6 +7,7 @@ #include <linux/types.h> #include <asm/compiler.h> +#include <asm/mce.h> /* * MCPCIA is the internal name for a core logic chipset which provides diff --git a/arch/alpha/include/asm/core_t2.h b/arch/alpha/include/asm/core_t2.h index 91b46801b29..ade9d92e68b 100644 --- a/arch/alpha/include/asm/core_t2.h +++ b/arch/alpha/include/asm/core_t2.h @@ -7,7 +7,6 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <asm/compiler.h> -#include <asm/system.h> /* * T2 is the internal name for the core logic chipset which provides diff --git a/arch/alpha/include/asm/cputime.h b/arch/alpha/include/asm/cputime.h deleted file mode 100644 index 19577fd9323..00000000000 --- a/arch/alpha/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ALPHA_CPUTIME_H -#define __ALPHA_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __ALPHA_CPUTIME_H */ diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h index 4567aca6fdd..dfa32f06132 100644 --- a/arch/alpha/include/asm/dma-mapping.h +++ b/arch/alpha/include/asm/dma-mapping.h @@ -12,16 +12,22 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) #include <asm-generic/dma-mapping-common.h> -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { - return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp); + return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs); } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { - get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle); + get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs); } static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h index da5449e2217..968d9991f5e 100644 --- a/arch/alpha/include/asm/elf.h +++ b/arch/alpha/include/asm/elf.h @@ -2,6 +2,7 @@ #define __ASM_ALPHA_ELF_H #include <asm/auxvec.h> +#include <asm/special_insns.h> /* Special values for the st_other field in the symbol table. */ diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h index 46cefbd50e7..bae97eb19d2 100644 --- a/arch/alpha/include/asm/floppy.h +++ b/arch/alpha/include/asm/floppy.h @@ -26,7 +26,7 @@ #define fd_disable_irq() disable_irq(FLOPPY_IRQ) #define fd_cacheflush(addr,size) /* nothing */ #define fd_request_irq() request_irq(FLOPPY_IRQ, floppy_interrupt,\ - IRQF_DISABLED, "floppy", NULL) + 0, "floppy", NULL) #define fd_free_irq() free_irq(FLOPPY_IRQ, NULL) #ifdef CONFIG_PCI diff --git a/arch/alpha/include/asm/fpu.h b/arch/alpha/include/asm/fpu.h index ecb17a72acc..71c20956b90 100644 --- a/arch/alpha/include/asm/fpu.h +++ b/arch/alpha/include/asm/fpu.h @@ -1,124 +1,8 @@ #ifndef __ASM_ALPHA_FPU_H #define __ASM_ALPHA_FPU_H -/* - * Alpha floating-point control register defines: - */ -#define FPCR_DNOD (1UL<<47) /* denorm INV trap disable */ -#define FPCR_DNZ (1UL<<48) /* denorms to zero */ -#define FPCR_INVD (1UL<<49) /* invalid op disable (opt.) */ -#define FPCR_DZED (1UL<<50) /* division by zero disable (opt.) */ -#define FPCR_OVFD (1UL<<51) /* overflow disable (optional) */ -#define FPCR_INV (1UL<<52) /* invalid operation */ -#define FPCR_DZE (1UL<<53) /* division by zero */ -#define FPCR_OVF (1UL<<54) /* overflow */ -#define FPCR_UNF (1UL<<55) /* underflow */ -#define FPCR_INE (1UL<<56) /* inexact */ -#define FPCR_IOV (1UL<<57) /* integer overflow */ -#define FPCR_UNDZ (1UL<<60) /* underflow to zero (opt.) */ -#define FPCR_UNFD (1UL<<61) /* underflow disable (opt.) */ -#define FPCR_INED (1UL<<62) /* inexact disable (opt.) */ -#define FPCR_SUM (1UL<<63) /* summary bit */ - -#define FPCR_DYN_SHIFT 58 /* first dynamic rounding mode bit */ -#define FPCR_DYN_CHOPPED (0x0UL << FPCR_DYN_SHIFT) /* towards 0 */ -#define FPCR_DYN_MINUS (0x1UL << FPCR_DYN_SHIFT) /* towards -INF */ -#define FPCR_DYN_NORMAL (0x2UL << FPCR_DYN_SHIFT) /* towards nearest */ -#define FPCR_DYN_PLUS (0x3UL << FPCR_DYN_SHIFT) /* towards +INF */ -#define FPCR_DYN_MASK (0x3UL << FPCR_DYN_SHIFT) - -#define FPCR_MASK 0xffff800000000000L - -/* - * IEEE trap enables are implemented in software. These per-thread - * bits are stored in the "ieee_state" field of "struct thread_info". - * Thus, the bits are defined so as not to conflict with the - * floating-point enable bit (which is architected). On top of that, - * we want to make these bits compatible with OSF/1 so - * ieee_set_fp_control() etc. can be implemented easily and - * compatibly. The corresponding definitions are in - * /usr/include/machine/fpu.h under OSF/1. - */ -#define IEEE_TRAP_ENABLE_INV (1UL<<1) /* invalid op */ -#define IEEE_TRAP_ENABLE_DZE (1UL<<2) /* division by zero */ -#define IEEE_TRAP_ENABLE_OVF (1UL<<3) /* overflow */ -#define IEEE_TRAP_ENABLE_UNF (1UL<<4) /* underflow */ -#define IEEE_TRAP_ENABLE_INE (1UL<<5) /* inexact */ -#define IEEE_TRAP_ENABLE_DNO (1UL<<6) /* denorm */ -#define IEEE_TRAP_ENABLE_MASK (IEEE_TRAP_ENABLE_INV | IEEE_TRAP_ENABLE_DZE |\ - IEEE_TRAP_ENABLE_OVF | IEEE_TRAP_ENABLE_UNF |\ - IEEE_TRAP_ENABLE_INE | IEEE_TRAP_ENABLE_DNO) - -/* Denorm and Underflow flushing */ -#define IEEE_MAP_DMZ (1UL<<12) /* Map denorm inputs to zero */ -#define IEEE_MAP_UMZ (1UL<<13) /* Map underflowed outputs to zero */ - -#define IEEE_MAP_MASK (IEEE_MAP_DMZ | IEEE_MAP_UMZ) - -/* status bits coming from fpcr: */ -#define IEEE_STATUS_INV (1UL<<17) -#define IEEE_STATUS_DZE (1UL<<18) -#define IEEE_STATUS_OVF (1UL<<19) -#define IEEE_STATUS_UNF (1UL<<20) -#define IEEE_STATUS_INE (1UL<<21) -#define IEEE_STATUS_DNO (1UL<<22) - -#define IEEE_STATUS_MASK (IEEE_STATUS_INV | IEEE_STATUS_DZE | \ - IEEE_STATUS_OVF | IEEE_STATUS_UNF | \ - IEEE_STATUS_INE | IEEE_STATUS_DNO) - -#define IEEE_SW_MASK (IEEE_TRAP_ENABLE_MASK | \ - IEEE_STATUS_MASK | IEEE_MAP_MASK) - -#define IEEE_CURRENT_RM_SHIFT 32 -#define IEEE_CURRENT_RM_MASK (3UL<<IEEE_CURRENT_RM_SHIFT) - -#define IEEE_STATUS_TO_EXCSUM_SHIFT 16 - -#define IEEE_INHERIT (1UL<<63) /* inherit on thread create? */ - -/* - * Convert the software IEEE trap enable and status bits into the - * hardware fpcr format. - * - * Digital Unix engineers receive my thanks for not defining the - * software bits identical to the hardware bits. The chip designers - * receive my thanks for making all the not-implemented fpcr bits - * RAZ forcing us to use system calls to read/write this value. - */ - -static inline unsigned long -ieee_swcr_to_fpcr(unsigned long sw) -{ - unsigned long fp; - fp = (sw & IEEE_STATUS_MASK) << 35; - fp |= (sw & IEEE_MAP_DMZ) << 36; - fp |= (sw & IEEE_STATUS_MASK ? FPCR_SUM : 0); - fp |= (~sw & (IEEE_TRAP_ENABLE_INV - | IEEE_TRAP_ENABLE_DZE - | IEEE_TRAP_ENABLE_OVF)) << 48; - fp |= (~sw & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE)) << 57; - fp |= (sw & IEEE_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); - fp |= (~sw & IEEE_TRAP_ENABLE_DNO) << 41; - return fp; -} - -static inline unsigned long -ieee_fpcr_to_swcr(unsigned long fp) -{ - unsigned long sw; - sw = (fp >> 35) & IEEE_STATUS_MASK; - sw |= (fp >> 36) & IEEE_MAP_DMZ; - sw |= (~fp >> 48) & (IEEE_TRAP_ENABLE_INV - | IEEE_TRAP_ENABLE_DZE - | IEEE_TRAP_ENABLE_OVF); - sw |= (~fp >> 57) & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE); - sw |= (fp >> 47) & IEEE_MAP_UMZ; - sw |= (~fp >> 41) & IEEE_TRAP_ENABLE_DNO; - return sw; -} - -#ifdef __KERNEL__ +#include <asm/special_insns.h> +#include <uapi/asm/fpu.h> /* The following two functions don't need trapb/excb instructions around the mf_fpcr/mt_fpcr instructions because (a) the kernel @@ -188,6 +72,4 @@ extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); extern unsigned long alpha_read_fp_reg_s (unsigned long reg); extern void alpha_write_fp_reg_s (unsigned long reg, unsigned long val); -#endif /* __KERNEL__ */ - #endif /* __ASM_ALPHA_FPU_H */ diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h index e8a761aee08..f939794363a 100644 --- a/arch/alpha/include/asm/futex.h +++ b/arch/alpha/include/asm/futex.h @@ -108,7 +108,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, " lda $31,3b-2b(%0)\n" " .previous\n" : "+r"(ret), "=&r"(prev), "=&r"(cmp) - : "r"(uaddr), "r"((long)oldval), "r"(newval) + : "r"(uaddr), "r"((long)(int)oldval), "r"(newval) : "memory"); *uval = prev; diff --git a/arch/alpha/include/asm/gpio.h b/arch/alpha/include/asm/gpio.h index 7dc6a6343c0..b3799d88ffc 100644 --- a/arch/alpha/include/asm/gpio.h +++ b/arch/alpha/include/asm/gpio.h @@ -1,55 +1,4 @@ -/* - * Generic GPIO API implementation for Alpha. - * - * A stright copy of that for PowerPC which was: - * - * Copyright (c) 2007-2008 MontaVista Software, Inc. - * - * Author: Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef _ASM_ALPHA_GPIO_H -#define _ASM_ALPHA_GPIO_H - -#include <linux/errno.h> -#include <asm-generic/gpio.h> - -#ifdef CONFIG_GPIOLIB - -/* - * We don't (yet) implement inlined/rapid versions for on-chip gpios. - * Just call gpiolib. - */ -static inline int gpio_get_value(unsigned int gpio) -{ - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned int gpio, int value) -{ - __gpio_set_value(gpio, value); -} - -static inline int gpio_cansleep(unsigned int gpio) -{ - return __gpio_cansleep(gpio); -} - -static inline int gpio_to_irq(unsigned int gpio) -{ - return __gpio_to_irq(gpio); -} - -static inline int irq_to_gpio(unsigned int irq) -{ - return -EINVAL; -} - -#endif /* CONFIG_GPIOLIB */ - -#endif /* _ASM_ALPHA_GPIO_H */ +#ifndef __LINUX_GPIO_H +#warning Include linux/gpio.h instead of asm/gpio.h +#include <linux/gpio.h> +#endif diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index 56ff9650135..5ebab5895ed 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -6,7 +6,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <asm/compiler.h> -#include <asm/system.h> #include <asm/pgtable.h> #include <asm/machvec.h> #include <asm/hwrpb.h> @@ -490,6 +489,11 @@ extern inline void writeq(u64 b, volatile void __iomem *addr) } #endif +#define ioread16be(p) be16_to_cpu(ioread16(p)) +#define ioread32be(p) be32_to_cpu(ioread32(p)) +#define iowrite16be(v,p) iowrite16(cpu_to_be16(v), (p)) +#define iowrite32be(v,p) iowrite32(cpu_to_be32(v), (p)) + #define inb_p inb #define inw_p inw #define inl_p inl diff --git a/arch/alpha/include/asm/irqflags.h b/arch/alpha/include/asm/irqflags.h index 299bbc7e9d7..ffb1726484a 100644 --- a/arch/alpha/include/asm/irqflags.h +++ b/arch/alpha/include/asm/irqflags.h @@ -1,7 +1,7 @@ #ifndef __ALPHA_IRQFLAGS_H #define __ALPHA_IRQFLAGS_H -#include <asm/system.h> +#include <asm/pal.h> #define IPL_MIN 0 #define IPL_SW0 1 diff --git a/arch/alpha/include/asm/linkage.h b/arch/alpha/include/asm/linkage.h index 291c2d01c44..7cfd06e8c93 100644 --- a/arch/alpha/include/asm/linkage.h +++ b/arch/alpha/include/asm/linkage.h @@ -1,6 +1,8 @@ #ifndef __ASM_LINKAGE_H #define __ASM_LINKAGE_H -/* Nothing to see here... */ +#define cond_syscall(x) asm(".weak\t" #x "\n" #x " = sys_ni_syscall") +#define SYSCALL_ALIAS(alias, name) \ + asm ( #alias " = " #name "\n\t.globl " #alias) #endif diff --git a/arch/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h index 13cd4274381..75cb3641ed2 100644 --- a/arch/alpha/include/asm/machvec.h +++ b/arch/alpha/include/asm/machvec.h @@ -33,6 +33,7 @@ struct alpha_machine_vector int nr_irqs; int rtc_port; + int rtc_boot_cpu_only; unsigned int max_asn; unsigned long max_isa_dma_address; unsigned long irq_probe_mask; @@ -90,14 +91,11 @@ struct alpha_machine_vector void (*kill_arch)(int); u8 (*pci_swizzle)(struct pci_dev *, u8 *); - int (*pci_map_irq)(struct pci_dev *, u8, u8); + int (*pci_map_irq)(const struct pci_dev *, u8, u8); struct pci_ops *pci_ops; struct _alpha_agp_info *(*agp_info)(void); - unsigned int (*rtc_get_time)(struct rtc_time *); - int (*rtc_set_time)(struct rtc_time *); - const char *vector_name; /* NUMA information */ @@ -126,13 +124,19 @@ extern struct alpha_machine_vector alpha_mv; #ifdef CONFIG_ALPHA_GENERIC extern int alpha_using_srm; +extern int alpha_using_qemu; #else -#ifdef CONFIG_ALPHA_SRM -#define alpha_using_srm 1 -#else -#define alpha_using_srm 0 -#endif +# ifdef CONFIG_ALPHA_SRM +# define alpha_using_srm 1 +# else +# define alpha_using_srm 0 +# endif +# ifdef CONFIG_ALPHA_QEMU +# define alpha_using_qemu 1 +# else +# define alpha_using_qemu 0 +# endif #endif /* GENERIC */ -#endif +#endif /* __KERNEL__ */ #endif /* __ALPHA_MACHVEC_H */ diff --git a/arch/alpha/include/asm/mce.h b/arch/alpha/include/asm/mce.h new file mode 100644 index 00000000000..660285b9aca --- /dev/null +++ b/arch/alpha/include/asm/mce.h @@ -0,0 +1,83 @@ +#ifndef __ALPHA_MCE_H +#define __ALPHA_MCE_H + +/* + * This is the logout header that should be common to all platforms + * (assuming they are running OSF/1 PALcode, I guess). + */ +struct el_common { + unsigned int size; /* size in bytes of logout area */ + unsigned int sbz1 : 30; /* should be zero */ + unsigned int err2 : 1; /* second error */ + unsigned int retry : 1; /* retry flag */ + unsigned int proc_offset; /* processor-specific offset */ + unsigned int sys_offset; /* system-specific offset */ + unsigned int code; /* machine check code */ + unsigned int frame_rev; /* frame revision */ +}; + +/* Machine Check Frame for uncorrectable errors (Large format) + * --- This is used to log uncorrectable errors such as + * double bit ECC errors. + * --- These errors are detected by both processor and systems. + */ +struct el_common_EV5_uncorrectable_mcheck { + unsigned long shadow[8]; /* Shadow reg. 8-14, 25 */ + unsigned long paltemp[24]; /* PAL TEMP REGS. */ + unsigned long exc_addr; /* Address of excepting instruction*/ + unsigned long exc_sum; /* Summary of arithmetic traps. */ + unsigned long exc_mask; /* Exception mask (from exc_sum). */ + unsigned long pal_base; /* Base address for PALcode. */ + unsigned long isr; /* Interrupt Status Reg. */ + unsigned long icsr; /* CURRENT SETUP OF EV5 IBOX */ + unsigned long ic_perr_stat; /* I-CACHE Reg. <11> set Data parity + <12> set TAG parity*/ + unsigned long dc_perr_stat; /* D-CACHE error Reg. Bits set to 1: + <2> Data error in bank 0 + <3> Data error in bank 1 + <4> Tag error in bank 0 + <5> Tag error in bank 1 */ + unsigned long va; /* Effective VA of fault or miss. */ + unsigned long mm_stat; /* Holds the reason for D-stream + fault or D-cache parity errors */ + unsigned long sc_addr; /* Address that was being accessed + when EV5 detected Secondary cache + failure. */ + unsigned long sc_stat; /* Helps determine if the error was + TAG/Data parity(Secondary Cache)*/ + unsigned long bc_tag_addr; /* Contents of EV5 BC_TAG_ADDR */ + unsigned long ei_addr; /* Physical address of any transfer + that is logged in EV5 EI_STAT */ + unsigned long fill_syndrome; /* For correcting ECC errors. */ + unsigned long ei_stat; /* Helps identify reason of any + processor uncorrectable error + at its external interface. */ + unsigned long ld_lock; /* Contents of EV5 LD_LOCK register*/ +}; + +struct el_common_EV6_mcheck { + unsigned int FrameSize; /* Bytes, including this field */ + unsigned int FrameFlags; /* <31> = Retry, <30> = Second Error */ + unsigned int CpuOffset; /* Offset to CPU-specific info */ + unsigned int SystemOffset; /* Offset to system-specific info */ + unsigned int MCHK_Code; + unsigned int MCHK_Frame_Rev; + unsigned long I_STAT; /* EV6 Internal Processor Registers */ + unsigned long DC_STAT; /* (See the 21264 Spec) */ + unsigned long C_ADDR; + unsigned long DC1_SYNDROME; + unsigned long DC0_SYNDROME; + unsigned long C_STAT; + unsigned long C_STS; + unsigned long MM_STAT; + unsigned long EXC_ADDR; + unsigned long IER_CM; + unsigned long ISUM; + unsigned long RESERVED0; + unsigned long PAL_BASE; + unsigned long I_CTL; + unsigned long PCTX; +}; + + +#endif /* __ALPHA_MCE_H */ diff --git a/arch/alpha/include/asm/mmu_context.h b/arch/alpha/include/asm/mmu_context.h index 86c08a02d23..4c51c05333c 100644 --- a/arch/alpha/include/asm/mmu_context.h +++ b/arch/alpha/include/asm/mmu_context.h @@ -7,7 +7,6 @@ * Copyright (C) 1996, Linus Torvalds */ -#include <asm/system.h> #include <asm/machvec.h> #include <asm/compiler.h> #include <asm-generic/mm_hooks.h> diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h index 445dc42e033..14ce27bccd2 100644 --- a/arch/alpha/include/asm/mmzone.h +++ b/arch/alpha/include/asm/mmzone.h @@ -66,13 +66,11 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) ((unsigned long)__va(NODE_DATA(kvaddr_to_nid(kaddr))->node_start_pfn \ << PAGE_SHIFT)) -/* XXX: FIXME -- wli */ +/* XXX: FIXME -- nyc */ #define kern_addr_valid(kaddr) (0) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define VALID_PAGE(page) (((page) - mem_map) < max_mapnr) - #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> 32)) #define pgd_page(pgd) (pfn_to_page(pgd_val(pgd) >> 32)) #define pte_pfn(pte) (pte_val(pte) >> 32) diff --git a/arch/alpha/include/asm/module.h b/arch/alpha/include/asm/module.h index 7b63743c534..9cd13b55155 100644 --- a/arch/alpha/include/asm/module.h +++ b/arch/alpha/include/asm/module.h @@ -1,19 +1,13 @@ #ifndef _ALPHA_MODULE_H #define _ALPHA_MODULE_H +#include <asm-generic/module.h> + struct mod_arch_specific { unsigned int gotsecindex; }; -#define Elf_Sym Elf64_Sym -#define Elf_Shdr Elf64_Shdr -#define Elf_Ehdr Elf64_Ehdr -#define Elf_Phdr Elf64_Phdr -#define Elf_Dyn Elf64_Dyn -#define Elf_Rel Elf64_Rel -#define Elf_Rela Elf64_Rela - #define ARCH_SHF_SMALL SHF_ALPHA_GPREL #ifdef MODULE diff --git a/arch/alpha/include/asm/pal.h b/arch/alpha/include/asm/pal.h index 9b4ba0d6f00..5422a47646f 100644 --- a/arch/alpha/include/asm/pal.h +++ b/arch/alpha/include/asm/pal.h @@ -1,51 +1,186 @@ #ifndef __ALPHA_PAL_H #define __ALPHA_PAL_H -/* - * Common PAL-code - */ -#define PAL_halt 0 -#define PAL_cflush 1 -#define PAL_draina 2 -#define PAL_bpt 128 -#define PAL_bugchk 129 -#define PAL_chmk 131 -#define PAL_callsys 131 -#define PAL_imb 134 -#define PAL_rduniq 158 -#define PAL_wruniq 159 -#define PAL_gentrap 170 -#define PAL_nphalt 190 +#include <uapi/asm/pal.h> + +#ifndef __ASSEMBLY__ + +extern void halt(void) __attribute__((noreturn)); +#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) + +#define imb() \ +__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") + +#define draina() \ +__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory") + +#define __CALL_PAL_R0(NAME, TYPE) \ +extern inline TYPE NAME(void) \ +{ \ + register TYPE __r0 __asm__("$0"); \ + __asm__ __volatile__( \ + "call_pal %1 # " #NAME \ + :"=r" (__r0) \ + :"i" (PAL_ ## NAME) \ + :"$1", "$16", "$22", "$23", "$24", "$25"); \ + return __r0; \ +} + +#define __CALL_PAL_W1(NAME, TYPE0) \ +extern inline void NAME(TYPE0 arg0) \ +{ \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + __asm__ __volatile__( \ + "call_pal %1 # "#NAME \ + : "=r"(__r16) \ + : "i"(PAL_ ## NAME), "0"(__r16) \ + : "$1", "$22", "$23", "$24", "$25"); \ +} + +#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \ +extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \ +{ \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + register TYPE1 __r17 __asm__("$17") = arg1; \ + __asm__ __volatile__( \ + "call_pal %2 # "#NAME \ + : "=r"(__r16), "=r"(__r17) \ + : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ + : "$1", "$22", "$23", "$24", "$25"); \ +} + +#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \ +extern inline RTYPE NAME(TYPE0 arg0) \ +{ \ + register RTYPE __r0 __asm__("$0"); \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + __asm__ __volatile__( \ + "call_pal %2 # "#NAME \ + : "=r"(__r16), "=r"(__r0) \ + : "i"(PAL_ ## NAME), "0"(__r16) \ + : "$1", "$22", "$23", "$24", "$25"); \ + return __r0; \ +} + +#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \ +extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \ +{ \ + register RTYPE __r0 __asm__("$0"); \ + register TYPE0 __r16 __asm__("$16") = arg0; \ + register TYPE1 __r17 __asm__("$17") = arg1; \ + __asm__ __volatile__( \ + "call_pal %3 # "#NAME \ + : "=r"(__r16), "=r"(__r17), "=r"(__r0) \ + : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ + : "$1", "$22", "$23", "$24", "$25"); \ + return __r0; \ +} + +__CALL_PAL_W1(cflush, unsigned long); +__CALL_PAL_R0(rdmces, unsigned long); +__CALL_PAL_R0(rdps, unsigned long); +__CALL_PAL_R0(rdusp, unsigned long); +__CALL_PAL_RW1(swpipl, unsigned long, unsigned long); +__CALL_PAL_R0(whami, unsigned long); +__CALL_PAL_W2(wrent, void*, unsigned long); +__CALL_PAL_W1(wripir, unsigned long); +__CALL_PAL_W1(wrkgp, unsigned long); +__CALL_PAL_W1(wrmces, unsigned long); +__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); +__CALL_PAL_W1(wrusp, unsigned long); +__CALL_PAL_W1(wrvptptr, unsigned long); +__CALL_PAL_RW1(wtint, unsigned long, unsigned long); /* - * VMS specific PAL-code + * TB routines.. */ -#define PAL_swppal 10 -#define PAL_mfpr_vptb 41 +#define __tbi(nr,arg,arg1...) \ +({ \ + register unsigned long __r16 __asm__("$16") = (nr); \ + register unsigned long __r17 __asm__("$17"); arg; \ + __asm__ __volatile__( \ + "call_pal %3 #__tbi" \ + :"=r" (__r16),"=r" (__r17) \ + :"0" (__r16),"i" (PAL_tbi) ,##arg1 \ + :"$0", "$1", "$22", "$23", "$24", "$25"); \ +}) + +#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17)) +#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17)) +#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17)) +#define tbis(x) __tbi(3,__r17=(x),"1" (__r17)) +#define tbiap() __tbi(-1, /* no second argument */) +#define tbia() __tbi(-2, /* no second argument */) /* - * OSF specific PAL-code + * QEMU Cserv routines.. */ -#define PAL_cserve 9 -#define PAL_wripir 13 -#define PAL_rdmces 16 -#define PAL_wrmces 17 -#define PAL_wrfen 43 -#define PAL_wrvptptr 45 -#define PAL_jtopal 46 -#define PAL_swpctx 48 -#define PAL_wrval 49 -#define PAL_rdval 50 -#define PAL_tbi 51 -#define PAL_wrent 52 -#define PAL_swpipl 53 -#define PAL_rdps 54 -#define PAL_wrkgp 55 -#define PAL_wrusp 56 -#define PAL_wrperfmon 57 -#define PAL_rdusp 58 -#define PAL_whami 60 -#define PAL_retsys 61 -#define PAL_rti 63 +static inline unsigned long +qemu_get_walltime(void) +{ + register unsigned long v0 __asm__("$0"); + register unsigned long a0 __asm__("$16") = 3; + + asm("call_pal %2 # cserve get_time" + : "=r"(v0), "+r"(a0) + : "i"(PAL_cserve) + : "$17", "$18", "$19", "$20", "$21"); + + return v0; +} + +static inline unsigned long +qemu_get_alarm(void) +{ + register unsigned long v0 __asm__("$0"); + register unsigned long a0 __asm__("$16") = 4; + + asm("call_pal %2 # cserve get_alarm" + : "=r"(v0), "+r"(a0) + : "i"(PAL_cserve) + : "$17", "$18", "$19", "$20", "$21"); + + return v0; +} + +static inline void +qemu_set_alarm_rel(unsigned long expire) +{ + register unsigned long a0 __asm__("$16") = 5; + register unsigned long a1 __asm__("$17") = expire; + + asm volatile("call_pal %2 # cserve set_alarm_rel" + : "+r"(a0), "+r"(a1) + : "i"(PAL_cserve) + : "$0", "$18", "$19", "$20", "$21"); +} + +static inline void +qemu_set_alarm_abs(unsigned long expire) +{ + register unsigned long a0 __asm__("$16") = 6; + register unsigned long a1 __asm__("$17") = expire; + + asm volatile("call_pal %2 # cserve set_alarm_abs" + : "+r"(a0), "+r"(a1) + : "i"(PAL_cserve) + : "$0", "$18", "$19", "$20", "$21"); +} + +static inline unsigned long +qemu_get_vmtime(void) +{ + register unsigned long v0 __asm__("$0"); + register unsigned long a0 __asm__("$16") = 7; + + asm("call_pal %2 # cserve get_time" + : "=r"(v0), "+r"(a0) + : "i"(PAL_cserve) + : "$17", "$18", "$19", "$20", "$21"); + + return v0; +} + +#endif /* !__ASSEMBLY__ */ #endif /* __ALPHA_PAL_H */ diff --git a/arch/alpha/include/asm/param.h b/arch/alpha/include/asm/param.h index e691ecfedb2..a5b68b268bc 100644 --- a/arch/alpha/include/asm/param.h +++ b/arch/alpha/include/asm/param.h @@ -1,27 +1,11 @@ #ifndef _ASM_ALPHA_PARAM_H #define _ASM_ALPHA_PARAM_H -/* ??? Gross. I don't want to parameterize this, and supposedly the - hardware ignores reprogramming. We also need userland buy-in to the - change in HZ, since this is visible in the wait4 resources etc. */ +#include <uapi/asm/param.h> -#ifdef __KERNEL__ -#define HZ CONFIG_HZ -#define USER_HZ HZ -#else -#define HZ 1024 -#endif - -#define EXEC_PAGESIZE 8192 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#ifdef __KERNEL__ -# define CLOCKS_PER_SEC HZ /* frequency at which times() counts */ -#endif +# undef HZ +# define HZ CONFIG_HZ +# define USER_HZ 1024 +# define CLOCKS_PER_SEC USER_HZ /* frequency at which times() counts */ #endif /* _ASM_ALPHA_PARAM_H */ diff --git a/arch/alpha/include/asm/parport.h b/arch/alpha/include/asm/parport.h index c5ee7cbb2fc..6abd0af11f1 100644 --- a/arch/alpha/include/asm/parport.h +++ b/arch/alpha/include/asm/parport.h @@ -9,8 +9,8 @@ #ifndef _ASM_AXP_PARPORT_H #define _ASM_AXP_PARPORT_H 1 -static int __devinit parport_pc_find_isa_ports (int autoirq, int autodma); -static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma) +static int parport_pc_find_isa_ports (int autoirq, int autodma); +static int parport_pc_find_nonpci_ports (int autoirq, int autodma) { return parport_pc_find_isa_ports (autoirq, autodma); } diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h index 28d0497fd3c..f7f680f7457 100644 --- a/arch/alpha/include/asm/pci.h +++ b/arch/alpha/include/asm/pci.h @@ -7,6 +7,7 @@ #include <linux/dma-mapping.h> #include <asm/scatterlist.h> #include <asm/machvec.h> +#include <asm-generic/pci-bridge.h> /* * The following structure is used to manage multiple PCI busses. @@ -58,11 +59,6 @@ struct pci_controller { extern void pcibios_set_master(struct pci_dev *dev); -extern inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - /* IOMMU controls. */ /* The PCI address space does not equal the physical memory address space. @@ -99,12 +95,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return channel ? 15 : 14; } -extern void pcibios_resource_to_bus(struct pci_dev *, struct pci_bus_region *, - struct resource *); - -extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region); - #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index static inline int pci_proc_domain(struct pci_bus *bus) diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h index bc2a0daf2d9..aab14a019c2 100644 --- a/arch/alpha/include/asm/pgalloc.h +++ b/arch/alpha/include/asm/pgalloc.h @@ -72,7 +72,10 @@ pte_alloc_one(struct mm_struct *mm, unsigned long address) if (!pte) return NULL; page = virt_to_page(pte); - pgtable_page_ctor(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; + } return page; } diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index de98a732683..d8f9b7e8923 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -15,6 +15,7 @@ #include <asm/page.h> #include <asm/processor.h> /* For TASK_SIZE */ #include <asm/machvec.h> +#include <asm/setup.h> struct mm_struct; struct vm_area_struct; @@ -353,9 +354,6 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define kern_addr_valid(addr) (1) #endif -#define io_remap_pfn_range(vma, start, pfn, size, prot) \ - remap_pfn_range(vma, start, pfn, size, prot) - #define pte_ERROR(e) \ printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e)) #define pmd_ERROR(e) \ diff --git a/arch/alpha/include/asm/posix_types.h b/arch/alpha/include/asm/posix_types.h deleted file mode 100644 index db167413300..00000000000 --- a/arch/alpha/include/asm/posix_types.h +++ /dev/null @@ -1,123 +0,0 @@ -#ifndef _ALPHA_POSIX_TYPES_H -#define _ALPHA_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned int __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; -typedef long __kernel_off_t; -typedef long long __kernel_loff_t; -typedef int __kernel_pid_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -typedef __kernel_uid_t __kernel_old_uid_t; -typedef __kernel_gid_t __kernel_old_gid_t; -typedef __kernel_uid_t __kernel_uid32_t; -typedef __kernel_gid_t __kernel_gid32_t; - -typedef unsigned int __kernel_old_dev_t; - -#ifdef __KERNEL__ - -#ifndef __GNUC__ - -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) -#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0) -#define __FD_ZERO(set) \ - ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) - -#else /* __GNUC__ */ - -/* With GNU C, use inline functions instead so args are evaluated only once: */ - -#undef __FD_SET -static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant case (8 ints, - * for a 256-bit fd_set) - */ -#undef __FD_ZERO -static __inline__ void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* __GNUC__ */ - -#endif /* __KERNEL__ */ - -#endif /* _ALPHA_POSIX_TYPES_H */ diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h index 94afe585930..6cb7fe85c4b 100644 --- a/arch/alpha/include/asm/processor.h +++ b/arch/alpha/include/asm/processor.h @@ -49,12 +49,6 @@ extern void start_thread(struct pt_regs *, unsigned long, unsigned long); /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - -/* Create a kernel thread without removing it from tasklists. */ -extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc) diff --git a/arch/alpha/include/asm/ptrace.h b/arch/alpha/include/asm/ptrace.h index fd698a174f2..9047c2fe8f2 100644 --- a/arch/alpha/include/asm/ptrace.h +++ b/arch/alpha/include/asm/ptrace.h @@ -1,83 +1,27 @@ #ifndef _ASMAXP_PTRACE_H #define _ASMAXP_PTRACE_H +#include <uapi/asm/ptrace.h> -/* - * This struct defines the way the registers are stored on the - * kernel stack during a system call or other kernel entry - * - * NOTE! I want to minimize the overhead of system calls, so this - * struct has as little information as possible. I does not have - * - * - floating point regs: the kernel doesn't change those - * - r9-15: saved by the C compiler - * - * This makes "fork()" and "exec()" a bit more complex, but should - * give us low system call latency. - */ - -struct pt_regs { - unsigned long r0; - unsigned long r1; - unsigned long r2; - unsigned long r3; - unsigned long r4; - unsigned long r5; - unsigned long r6; - unsigned long r7; - unsigned long r8; - unsigned long r19; - unsigned long r20; - unsigned long r21; - unsigned long r22; - unsigned long r23; - unsigned long r24; - unsigned long r25; - unsigned long r26; - unsigned long r27; - unsigned long r28; - unsigned long hae; -/* JRP - These are the values provided to a0-a2 by PALcode */ - unsigned long trap_a0; - unsigned long trap_a1; - unsigned long trap_a2; -/* These are saved by PAL-code: */ - unsigned long ps; - unsigned long pc; - unsigned long gp; - unsigned long r16; - unsigned long r17; - unsigned long r18; -}; - -/* - * This is the extended stack used by signal handlers and the context - * switcher: it's pushed after the normal "struct pt_regs". - */ -struct switch_stack { - unsigned long r9; - unsigned long r10; - unsigned long r11; - unsigned long r12; - unsigned long r13; - unsigned long r14; - unsigned long r15; - unsigned long r26; - unsigned long fp[32]; /* fp[31] is fpcr */ -}; - -#ifdef __KERNEL__ #define arch_has_single_step() (1) #define user_mode(regs) (((regs)->ps & 8) != 0) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) +#define current_user_stack_pointer() rdusp() #define task_pt_regs(task) \ ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1) -#define force_successful_syscall_return() (task_pt_regs(current)->r0 = 0) +#define current_pt_regs() \ + ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1) +#define signal_pt_regs current_pt_regs -#endif +#define force_successful_syscall_return() (current_pt_regs()->r0 = 0) + +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->r0; +} #endif diff --git a/arch/alpha/include/asm/rtc.h b/arch/alpha/include/asm/rtc.h index 1f7fba671ae..f71c3b0ed36 100644 --- a/arch/alpha/include/asm/rtc.h +++ b/arch/alpha/include/asm/rtc.h @@ -1,16 +1 @@ -#ifndef _ALPHA_RTC_H -#define _ALPHA_RTC_H - -#if defined(CONFIG_ALPHA_GENERIC) -# define get_rtc_time alpha_mv.rtc_get_time -# define set_rtc_time alpha_mv.rtc_set_time -#else -# if defined(CONFIG_ALPHA_MARVEL) && defined(CONFIG_SMP) -# define get_rtc_time marvel_get_rtc_time -# define set_rtc_time marvel_set_rtc_time -# endif -#endif - #include <asm-generic/rtc.h> - -#endif diff --git a/arch/alpha/include/asm/setup.h b/arch/alpha/include/asm/setup.h deleted file mode 100644 index 2e023a4aa31..00000000000 --- a/arch/alpha/include/asm/setup.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ALPHA_SETUP_H -#define __ALPHA_SETUP_H - -#define COMMAND_LINE_SIZE 256 - -#endif diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h index a9388300abb..963f0494dca 100644 --- a/arch/alpha/include/asm/signal.h +++ b/arch/alpha/include/asm/signal.h @@ -1,12 +1,8 @@ #ifndef _ASMAXP_SIGNAL_H #define _ASMAXP_SIGNAL_H -#include <linux/types.h> +#include <uapi/asm/signal.h> -/* Avoid too many header ordering problems. */ -struct siginfo; - -#ifdef __KERNEL__ /* Digital Unix defines 64 signals. Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ @@ -20,153 +16,12 @@ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - - -/* - * Linux/AXP has different signal numbers that Linux/i386: I'm trying - * to make it OSF/1 binary compatible, at least for normal binaries. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGEMT 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGBUS 10 -#define SIGSEGV 11 -#define SIGSYS 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGINFO 29 -#define SIGUSR1 30 -#define SIGUSR2 31 - -#define SIGPOLL SIGIO -#define SIGPWR SIGINFO -#define SIGIOT SIGABRT - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ - -#define SA_ONSTACK 0x00000001 -#define SA_RESTART 0x00000002 -#define SA_NOCLDSTOP 0x00000004 -#define SA_NODEFER 0x00000008 -#define SA_RESETHAND 0x00000010 -#define SA_NOCLDWAIT 0x00000020 -#define SA_SIGINFO 0x00000040 - -#define SA_ONESHOT SA_RESETHAND -#define SA_NOMASK SA_NODEFER - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#define SIG_BLOCK 1 /* for blocking signals */ -#define SIG_UNBLOCK 2 /* for unblocking signals */ -#define SIG_SETMASK 3 /* for setting the signal mask */ - -#include <asm-generic/signal-defs.h> - -#ifdef __KERNEL__ struct osf_sigaction { __sighandler_t sa_handler; old_sigset_t sa_mask; int sa_flags; }; -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; - __sigrestore_t ka_restorer; -}; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - int sa_flags; -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -/* sigstack(2) is deprecated, and will be withdrawn in a future version - of the X/Open CAE Specification. Use sigaltstack instead. It is only - implemented here for OSF/1 compatibility. */ - -struct sigstack { - void __user *ss_sp; - int ss_onstack; -}; - -#ifdef __KERNEL__ +#define __ARCH_HAS_KA_RESTORER #include <asm/sigcontext.h> - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif - #endif diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h index 082355f159e..8d806d80ed2 100644 --- a/arch/alpha/include/asm/socket.h +++ b/arch/alpha/include/asm/socket.h @@ -1,80 +1,10 @@ #ifndef _ASM_SOCKET_H #define _ASM_SOCKET_H -#include <asm/sockios.h> - -/* For setsockopt(2) */ -/* - * Note: we only bother about making the SOL_SOCKET options - * same as OSF/1, as that's all that "normal" programs are - * likely to set. We don't necessarily want to be binary - * compatible with _everything_. - */ -#define SOL_SOCKET 0xffff - -#define SO_DEBUG 0x0001 -#define SO_REUSEADDR 0x0004 -#define SO_KEEPALIVE 0x0008 -#define SO_DONTROUTE 0x0010 -#define SO_BROADCAST 0x0020 -#define SO_LINGER 0x0080 -#define SO_OOBINLINE 0x0100 -/* To add :#define SO_REUSEPORT 0x0200 */ - -#define SO_TYPE 0x1008 -#define SO_ERROR 0x1007 -#define SO_SNDBUF 0x1001 -#define SO_RCVBUF 0x1002 -#define SO_SNDBUFFORCE 0x100a -#define SO_RCVBUFFORCE 0x100b -#define SO_RCVLOWAT 0x1010 -#define SO_SNDLOWAT 0x1011 -#define SO_RCVTIMEO 0x1012 -#define SO_SNDTIMEO 0x1013 -#define SO_ACCEPTCONN 0x1014 -#define SO_PROTOCOL 0x1028 -#define SO_DOMAIN 0x1029 - -/* linux-specific, might as well be the same as on i386 */ -#define SO_NO_CHECK 11 -#define SO_PRIORITY 12 -#define SO_BSDCOMPAT 14 - -#define SO_PASSCRED 17 -#define SO_PEERCRED 18 -#define SO_BINDTODEVICE 25 - -/* Socket filtering */ -#define SO_ATTACH_FILTER 26 -#define SO_DETACH_FILTER 27 - -#define SO_PEERNAME 28 -#define SO_TIMESTAMP 29 -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_PEERSEC 30 -#define SO_PASSSEC 34 -#define SO_TIMESTAMPNS 35 -#define SCM_TIMESTAMPNS SO_TIMESTAMPNS - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 19 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 20 -#define SO_SECURITY_ENCRYPTION_NETWORK 21 - -#define SO_MARK 36 - -#define SO_TIMESTAMPING 37 -#define SCM_TIMESTAMPING SO_TIMESTAMPING - -#define SO_RXQ_OVFL 40 - -#define SO_WIFI_STATUS 41 -#define SCM_WIFI_STATUS SO_WIFI_STATUS +#include <uapi/asm/socket.h> /* O_NONBLOCK clashes with the bits used for socket types. Therefore we * have to define SOCK_NONBLOCK to a different value here. */ #define SOCK_NONBLOCK 0x40000000 - #endif /* _ASM_SOCKET_H */ diff --git a/arch/alpha/include/asm/special_insns.h b/arch/alpha/include/asm/special_insns.h new file mode 100644 index 00000000000..88d3452b21f --- /dev/null +++ b/arch/alpha/include/asm/special_insns.h @@ -0,0 +1,41 @@ +#ifndef __ALPHA_SPECIAL_INSNS_H +#define __ALPHA_SPECIAL_INSNS_H + +enum implver_enum { + IMPLVER_EV4, + IMPLVER_EV5, + IMPLVER_EV6 +}; + +#ifdef CONFIG_ALPHA_GENERIC +#define implver() \ +({ unsigned long __implver; \ + __asm__ ("implver %0" : "=r"(__implver)); \ + (enum implver_enum) __implver; }) +#else +/* Try to eliminate some dead code. */ +#ifdef CONFIG_ALPHA_EV4 +#define implver() IMPLVER_EV4 +#endif +#ifdef CONFIG_ALPHA_EV5 +#define implver() IMPLVER_EV5 +#endif +#if defined(CONFIG_ALPHA_EV6) +#define implver() IMPLVER_EV6 +#endif +#endif + +enum amask_enum { + AMASK_BWX = (1UL << 0), + AMASK_FIX = (1UL << 1), + AMASK_CIX = (1UL << 2), + AMASK_MAX = (1UL << 8), + AMASK_PRECISE_TRAP = (1UL << 9), +}; + +#define amask(mask) \ +({ unsigned long __amask, __input = (mask); \ + __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \ + __amask; }) + +#endif /* __ALPHA_SPECIAL_INSNS_H */ diff --git a/arch/alpha/include/asm/spinlock.h b/arch/alpha/include/asm/spinlock.h index d0faca1e992..37b570d0120 100644 --- a/arch/alpha/include/asm/spinlock.h +++ b/arch/alpha/include/asm/spinlock.h @@ -1,7 +1,6 @@ #ifndef _ALPHA_SPINLOCK_H #define _ALPHA_SPINLOCK_H -#include <asm/system.h> #include <linux/kernel.h> #include <asm/current.h> @@ -169,8 +168,4 @@ static inline void arch_write_unlock(arch_rwlock_t * lock) #define arch_read_lock_flags(lock, flags) arch_read_lock(lock) #define arch_write_lock_flags(lock, flags) arch_write_lock(lock) -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - #endif /* _ALPHA_SPINLOCK_H */ diff --git a/arch/alpha/include/asm/string.h b/arch/alpha/include/asm/string.h index b02b8a28294..c2911f59170 100644 --- a/arch/alpha/include/asm/string.h +++ b/arch/alpha/include/asm/string.h @@ -22,15 +22,27 @@ extern void * __memcpy(void *, const void *, size_t); #define __HAVE_ARCH_MEMSET extern void * __constant_c_memset(void *, unsigned long, size_t); +extern void * ___memset(void *, int, size_t); extern void * __memset(void *, int, size_t); extern void * memset(void *, int, size_t); -#define memset(s, c, n) \ -(__builtin_constant_p(c) \ - ? (__builtin_constant_p(n) && (c) == 0 \ - ? __builtin_memset((s),0,(n)) \ - : __constant_c_memset((s),0x0101010101010101UL*(unsigned char)(c),(n))) \ - : __memset((s),(c),(n))) +/* For gcc 3.x, we cannot have the inline function named "memset" because + the __builtin_memset will attempt to resolve to the inline as well, + leading to a "sorry" about unimplemented recursive inlining. */ +extern inline void *__memset(void *s, int c, size_t n) +{ + if (__builtin_constant_p(c)) { + if (__builtin_constant_p(n)) { + return __builtin_memset(s, c, n); + } else { + unsigned long c8 = (c & 0xff) * 0x0101010101010101UL; + return __constant_c_memset(s, c8, n); + } + } + return ___memset(s, c, n); +} + +#define memset __memset #define __HAVE_ARCH_STRCPY extern char * strcpy(char *,const char *); diff --git a/arch/alpha/include/asm/switch_to.h b/arch/alpha/include/asm/switch_to.h new file mode 100644 index 00000000000..44c0d4f2c0b --- /dev/null +++ b/arch/alpha/include/asm/switch_to.h @@ -0,0 +1,14 @@ +#ifndef __ALPHA_SWITCH_TO_H +#define __ALPHA_SWITCH_TO_H + + +struct task_struct; +extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct *); + +#define switch_to(P,N,L) \ + do { \ + (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \ + check_mmu_context(); \ + } while (0) + +#endif /* __ALPHA_SWITCH_TO_H */ diff --git a/arch/alpha/include/asm/system.h b/arch/alpha/include/asm/system.h deleted file mode 100644 index 9f78e693463..00000000000 --- a/arch/alpha/include/asm/system.h +++ /dev/null @@ -1,354 +0,0 @@ -#ifndef __ALPHA_SYSTEM_H -#define __ALPHA_SYSTEM_H - -#include <asm/pal.h> -#include <asm/page.h> -#include <asm/barrier.h> - -/* - * System defines.. Note that this is included both from .c and .S - * files, so it does only defines, not any C code. - */ - -/* - * We leave one page for the initial stack page, and one page for - * the initial process structure. Also, the console eats 3 MB for - * the initial bootloader (one of which we can reclaim later). - */ -#define BOOT_PCB 0x20000000 -#define BOOT_ADDR 0x20000000 -/* Remove when official MILO sources have ELF support: */ -#define BOOT_SIZE (16*1024) - -#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS -#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ -#else -#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ -#endif - -#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) -#define SWAPPER_PGD KERNEL_START -#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) -#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) -#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) -#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) - -#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) - -/* - * This is setup by the secondary bootstrap loader. Because - * the zero page is zeroed out as soon as the vm system is - * initialized, we need to copy things out into a more permanent - * place. - */ -#define PARAM ZERO_PGE -#define COMMAND_LINE ((char*)(PARAM + 0x0000)) -#define INITRD_START (*(unsigned long *) (PARAM+0x100)) -#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) - -#ifndef __ASSEMBLY__ -#include <linux/kernel.h> -#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */ - -/* - * This is the logout header that should be common to all platforms - * (assuming they are running OSF/1 PALcode, I guess). - */ -struct el_common { - unsigned int size; /* size in bytes of logout area */ - unsigned int sbz1 : 30; /* should be zero */ - unsigned int err2 : 1; /* second error */ - unsigned int retry : 1; /* retry flag */ - unsigned int proc_offset; /* processor-specific offset */ - unsigned int sys_offset; /* system-specific offset */ - unsigned int code; /* machine check code */ - unsigned int frame_rev; /* frame revision */ -}; - -/* Machine Check Frame for uncorrectable errors (Large format) - * --- This is used to log uncorrectable errors such as - * double bit ECC errors. - * --- These errors are detected by both processor and systems. - */ -struct el_common_EV5_uncorrectable_mcheck { - unsigned long shadow[8]; /* Shadow reg. 8-14, 25 */ - unsigned long paltemp[24]; /* PAL TEMP REGS. */ - unsigned long exc_addr; /* Address of excepting instruction*/ - unsigned long exc_sum; /* Summary of arithmetic traps. */ - unsigned long exc_mask; /* Exception mask (from exc_sum). */ - unsigned long pal_base; /* Base address for PALcode. */ - unsigned long isr; /* Interrupt Status Reg. */ - unsigned long icsr; /* CURRENT SETUP OF EV5 IBOX */ - unsigned long ic_perr_stat; /* I-CACHE Reg. <11> set Data parity - <12> set TAG parity*/ - unsigned long dc_perr_stat; /* D-CACHE error Reg. Bits set to 1: - <2> Data error in bank 0 - <3> Data error in bank 1 - <4> Tag error in bank 0 - <5> Tag error in bank 1 */ - unsigned long va; /* Effective VA of fault or miss. */ - unsigned long mm_stat; /* Holds the reason for D-stream - fault or D-cache parity errors */ - unsigned long sc_addr; /* Address that was being accessed - when EV5 detected Secondary cache - failure. */ - unsigned long sc_stat; /* Helps determine if the error was - TAG/Data parity(Secondary Cache)*/ - unsigned long bc_tag_addr; /* Contents of EV5 BC_TAG_ADDR */ - unsigned long ei_addr; /* Physical address of any transfer - that is logged in EV5 EI_STAT */ - unsigned long fill_syndrome; /* For correcting ECC errors. */ - unsigned long ei_stat; /* Helps identify reason of any - processor uncorrectable error - at its external interface. */ - unsigned long ld_lock; /* Contents of EV5 LD_LOCK register*/ -}; - -struct el_common_EV6_mcheck { - unsigned int FrameSize; /* Bytes, including this field */ - unsigned int FrameFlags; /* <31> = Retry, <30> = Second Error */ - unsigned int CpuOffset; /* Offset to CPU-specific info */ - unsigned int SystemOffset; /* Offset to system-specific info */ - unsigned int MCHK_Code; - unsigned int MCHK_Frame_Rev; - unsigned long I_STAT; /* EV6 Internal Processor Registers */ - unsigned long DC_STAT; /* (See the 21264 Spec) */ - unsigned long C_ADDR; - unsigned long DC1_SYNDROME; - unsigned long DC0_SYNDROME; - unsigned long C_STAT; - unsigned long C_STS; - unsigned long MM_STAT; - unsigned long EXC_ADDR; - unsigned long IER_CM; - unsigned long ISUM; - unsigned long RESERVED0; - unsigned long PAL_BASE; - unsigned long I_CTL; - unsigned long PCTX; -}; - -extern void halt(void) __attribute__((noreturn)); -#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) - -#define switch_to(P,N,L) \ - do { \ - (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \ - check_mmu_context(); \ - } while (0) - -struct task_struct; -extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*); - -#define imb() \ -__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") - -#define draina() \ -__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory") - -enum implver_enum { - IMPLVER_EV4, - IMPLVER_EV5, - IMPLVER_EV6 -}; - -#ifdef CONFIG_ALPHA_GENERIC -#define implver() \ -({ unsigned long __implver; \ - __asm__ ("implver %0" : "=r"(__implver)); \ - (enum implver_enum) __implver; }) -#else -/* Try to eliminate some dead code. */ -#ifdef CONFIG_ALPHA_EV4 -#define implver() IMPLVER_EV4 -#endif -#ifdef CONFIG_ALPHA_EV5 -#define implver() IMPLVER_EV5 -#endif -#if defined(CONFIG_ALPHA_EV6) -#define implver() IMPLVER_EV6 -#endif -#endif - -enum amask_enum { - AMASK_BWX = (1UL << 0), - AMASK_FIX = (1UL << 1), - AMASK_CIX = (1UL << 2), - AMASK_MAX = (1UL << 8), - AMASK_PRECISE_TRAP = (1UL << 9), -}; - -#define amask(mask) \ -({ unsigned long __amask, __input = (mask); \ - __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \ - __amask; }) - -#define __CALL_PAL_R0(NAME, TYPE) \ -extern inline TYPE NAME(void) \ -{ \ - register TYPE __r0 __asm__("$0"); \ - __asm__ __volatile__( \ - "call_pal %1 # " #NAME \ - :"=r" (__r0) \ - :"i" (PAL_ ## NAME) \ - :"$1", "$16", "$22", "$23", "$24", "$25"); \ - return __r0; \ -} - -#define __CALL_PAL_W1(NAME, TYPE0) \ -extern inline void NAME(TYPE0 arg0) \ -{ \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - __asm__ __volatile__( \ - "call_pal %1 # "#NAME \ - : "=r"(__r16) \ - : "i"(PAL_ ## NAME), "0"(__r16) \ - : "$1", "$22", "$23", "$24", "$25"); \ -} - -#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \ -extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \ -{ \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - register TYPE1 __r17 __asm__("$17") = arg1; \ - __asm__ __volatile__( \ - "call_pal %2 # "#NAME \ - : "=r"(__r16), "=r"(__r17) \ - : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ - : "$1", "$22", "$23", "$24", "$25"); \ -} - -#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \ -extern inline RTYPE NAME(TYPE0 arg0) \ -{ \ - register RTYPE __r0 __asm__("$0"); \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - __asm__ __volatile__( \ - "call_pal %2 # "#NAME \ - : "=r"(__r16), "=r"(__r0) \ - : "i"(PAL_ ## NAME), "0"(__r16) \ - : "$1", "$22", "$23", "$24", "$25"); \ - return __r0; \ -} - -#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \ -extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \ -{ \ - register RTYPE __r0 __asm__("$0"); \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - register TYPE1 __r17 __asm__("$17") = arg1; \ - __asm__ __volatile__( \ - "call_pal %3 # "#NAME \ - : "=r"(__r16), "=r"(__r17), "=r"(__r0) \ - : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ - : "$1", "$22", "$23", "$24", "$25"); \ - return __r0; \ -} - -__CALL_PAL_W1(cflush, unsigned long); -__CALL_PAL_R0(rdmces, unsigned long); -__CALL_PAL_R0(rdps, unsigned long); -__CALL_PAL_R0(rdusp, unsigned long); -__CALL_PAL_RW1(swpipl, unsigned long, unsigned long); -__CALL_PAL_R0(whami, unsigned long); -__CALL_PAL_W2(wrent, void*, unsigned long); -__CALL_PAL_W1(wripir, unsigned long); -__CALL_PAL_W1(wrkgp, unsigned long); -__CALL_PAL_W1(wrmces, unsigned long); -__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); -__CALL_PAL_W1(wrusp, unsigned long); -__CALL_PAL_W1(wrvptptr, unsigned long); - -/* - * TB routines.. - */ -#define __tbi(nr,arg,arg1...) \ -({ \ - register unsigned long __r16 __asm__("$16") = (nr); \ - register unsigned long __r17 __asm__("$17"); arg; \ - __asm__ __volatile__( \ - "call_pal %3 #__tbi" \ - :"=r" (__r16),"=r" (__r17) \ - :"0" (__r16),"i" (PAL_tbi) ,##arg1 \ - :"$0", "$1", "$22", "$23", "$24", "$25"); \ -}) - -#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17)) -#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17)) -#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17)) -#define tbis(x) __tbi(3,__r17=(x),"1" (__r17)) -#define tbiap() __tbi(-1, /* no second argument */) -#define tbia() __tbi(-2, /* no second argument */) - -/* - * Atomic exchange routines. - */ - -#define __ASM__MB -#define ____xchg(type, args...) __xchg ## type ## _local(args) -#define ____cmpxchg(type, args...) __cmpxchg ## type ## _local(args) -#include <asm/xchg.h> - -#define xchg_local(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg_local((ptr), (unsigned long)_x_, \ - sizeof(*(ptr))); \ - }) - -#define cmpxchg_local(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, \ - sizeof(*(ptr))); \ - }) - -#define cmpxchg64_local(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_local((ptr), (o), (n)); \ - }) - -#ifdef CONFIG_SMP -#undef __ASM__MB -#define __ASM__MB "\tmb\n" -#endif -#undef ____xchg -#undef ____cmpxchg -#define ____xchg(type, args...) __xchg ##type(args) -#define ____cmpxchg(type, args...) __cmpxchg ##type(args) -#include <asm/xchg.h> - -#define xchg(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, \ - sizeof(*(ptr))); \ - }) - -#define cmpxchg(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr)));\ - }) - -#define cmpxchg64(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg((ptr), (o), (n)); \ - }) - -#undef __ASM__MB -#undef ____cmpxchg - -#define __HAVE_ARCH_CMPXCHG 1 - -#endif /* __ASSEMBLY__ */ - -#define arch_align_stack(x) (x) - -#endif diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h index fa13716a11c..7fde0f88da8 100644 --- a/arch/alpha/include/asm/termios.h +++ b/arch/alpha/include/asm/termios.h @@ -1,72 +1,8 @@ #ifndef _ALPHA_TERMIOS_H #define _ALPHA_TERMIOS_H -#include <asm/ioctls.h> -#include <asm/termbits.h> +#include <uapi/asm/termios.h> -struct sgttyb { - char sg_ispeed; - char sg_ospeed; - char sg_erase; - char sg_kill; - short sg_flags; -}; - -struct tchars { - char t_intrc; - char t_quitc; - char t_startc; - char t_stopc; - char t_eofc; - char t_brkc; -}; - -struct ltchars { - char t_suspc; - char t_dsuspc; - char t_rprntc; - char t_flushc; - char t_werasc; - char t_lnextc; -}; - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -/* - * c_cc characters in the termio structure. Oh, how I love being - * backwardly compatible. Notice that character 4 and 5 are - * interpreted differently depending on whether ICANON is set in - * c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise - * as _VMIN and V_TIME. This is for compatibility with OSF/1 (which - * is compatible with sysV)... - */ -#define _VINTR 0 -#define _VQUIT 1 -#define _VERASE 2 -#define _VKILL 3 -#define _VEOF 4 -#define _VMIN 4 -#define _VEOL 5 -#define _VTIME 5 -#define _VEOL2 6 -#define _VSWTC 7 - -#ifdef __KERNEL__ /* eof=^D eol=\0 eol2=\0 erase=del werase=^W kill=^U reprint=^R sxtc=\0 intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP> @@ -141,6 +77,4 @@ struct termio { #define kernel_termios_to_user_termios(u, k) \ copy_to_user(u, k, sizeof(struct termios)) -#endif /* __KERNEL__ */ - #endif /* _ALPHA_TERMIOS_H */ diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 28335bd40e4..48bbea6898b 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -7,6 +7,7 @@ #include <asm/processor.h> #include <asm/types.h> #include <asm/hwrpb.h> +#include <asm/sysinfo.h> #endif #ifndef __ASSEMBLY__ @@ -21,6 +22,7 @@ struct thread_info { mm_segment_t addr_limit; /* thread address space */ unsigned cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ + unsigned int status; /* thread-synchronous flags */ int bpt_nsaved; unsigned long bpt_addr[2]; /* breakpoint handling */ @@ -56,15 +58,11 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define THREAD_SIZE_ORDER 1 #define THREAD_SIZE (2*PAGE_SIZE) -#define PREEMPT_ACTIVE 0x40000000 - /* * Thread information flags: * - these are process state flags and used from assembly * - pending work-to-be-done flags come first and must be assigned to be * within bits 0 to 7 to fit in and immediate operand. - * - ALPHA_UAC_SHIFT below must be kept consistent with the unaligned - * control flags. * * TIF_SYSCALL_TRACE is known to be 0 via blbs. */ @@ -72,20 +70,17 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 8 /* poll_idle is polling NEED_RESCHED */ +#define TIF_SYSCALL_AUDIT 4 /* syscall audit active */ #define TIF_DIE_IF_KERNEL 9 /* dik recursion lock */ -#define TIF_UAC_NOPRINT 10 /* ! Preserve sequence of following */ -#define TIF_UAC_NOFIX 11 /* ! flags as they match */ -#define TIF_UAC_SIGBUS 12 /* ! userspace part of 'osf_sysinfo' */ #define TIF_MEMDIE 13 /* is terminating due to OOM killer */ -#define TIF_RESTORE_SIGMASK 14 /* restore signal mask in do_signal */ +#define TIF_POLLING_NRFLAG 14 /* idle is polling for TIF_NEED_RESCHED */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) +#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) +#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) /* Work to do on interrupt/exception return. */ #define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ @@ -95,26 +90,58 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \ | _TIF_SYSCALL_TRACE) -#define ALPHA_UAC_SHIFT TIF_UAC_NOPRINT -#define ALPHA_UAC_MASK (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \ - 1 << TIF_UAC_SIGBUS) +#define TS_UAC_NOPRINT 0x0001 /* ! Preserve the following three */ +#define TS_UAC_NOFIX 0x0002 /* ! flags as they match */ +#define TS_UAC_SIGBUS 0x0004 /* ! userspace part of 'osf_sysinfo' */ +#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ + +#ifndef __ASSEMBLY__ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + ti->status |= TS_RESTORE_SIGMASK; + WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; +} +#endif -#define SET_UNALIGN_CTL(task,value) ({ \ - task_thread_info(task)->flags = ((task_thread_info(task)->flags & \ - ~ALPHA_UAC_MASK) \ - | (((value) << ALPHA_UAC_SHIFT) & (1<<TIF_UAC_NOPRINT))\ - | (((value) << (ALPHA_UAC_SHIFT + 1)) & (1<<TIF_UAC_SIGBUS)) \ - | (((value) << (ALPHA_UAC_SHIFT - 1)) & (1<<TIF_UAC_NOFIX)));\ +#define SET_UNALIGN_CTL(task,value) ({ \ + __u32 status = task_thread_info(task)->status & ~UAC_BITMASK; \ + if (value & PR_UNALIGN_NOPRINT) \ + status |= TS_UAC_NOPRINT; \ + if (value & PR_UNALIGN_SIGBUS) \ + status |= TS_UAC_SIGBUS; \ + if (value & 4) /* alpha-specific */ \ + status |= TS_UAC_NOFIX; \ + task_thread_info(task)->status = status; \ 0; }) #define GET_UNALIGN_CTL(task,value) ({ \ - put_user((task_thread_info(task)->flags & (1 << TIF_UAC_NOPRINT))\ - >> ALPHA_UAC_SHIFT \ - | (task_thread_info(task)->flags & (1 << TIF_UAC_SIGBUS))\ - >> (ALPHA_UAC_SHIFT + 1) \ - | (task_thread_info(task)->flags & (1 << TIF_UAC_NOFIX))\ - >> (ALPHA_UAC_SHIFT - 1), \ - (int __user *)(value)); \ + __u32 status = task_thread_info(task)->status & ~UAC_BITMASK; \ + __u32 res = 0; \ + if (status & TS_UAC_NOPRINT) \ + res |= PR_UNALIGN_NOPRINT; \ + if (status & TS_UAC_SIGBUS) \ + res |= PR_UNALIGN_SIGBUS; \ + if (status & TS_UAC_NOFIX) \ + res |= 4; \ + put_user(res, (int __user *)(value)); \ }) #endif /* __KERNEL__ */ diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h index 0a0579076f4..f61e1a56c37 100644 --- a/arch/alpha/include/asm/types.h +++ b/arch/alpha/include/asm/types.h @@ -1,18 +1,7 @@ #ifndef _ALPHA_TYPES_H #define _ALPHA_TYPES_H -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -#ifdef __KERNEL__ #include <asm-generic/int-ll64.h> -#else -#include <asm-generic/int-l64.h> -#endif +#include <uapi/asm/types.h> #endif /* _ALPHA_TYPES_H */ diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index b49ec2f8d6e..766fdfde2b7 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -433,36 +433,12 @@ clear_user(void __user *to, long len) #undef __module_address #undef __module_call -/* Returns: -EFAULT if exception before terminator, N if the entire - buffer filled, else strlen. */ +#define user_addr_max() \ + (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL) -extern long __strncpy_from_user(char *__to, const char __user *__from, long __to_len); - -extern inline long -strncpy_from_user(char *to, const char __user *from, long n) -{ - long ret = -EFAULT; - if (__access_ok((unsigned long)from, 0, get_fs())) - ret = __strncpy_from_user(to, from, n); - return ret; -} - -/* Returns: 0 if bad, string length+1 (memory size) of string if ok */ -extern long __strlen_user(const char __user *); - -extern inline long strlen_user(const char __user *str) -{ - return access_ok(VERIFY_READ,str,0) ? __strlen_user(str) : 0; -} - -/* Returns: 0 if exception before NUL or reaching the supplied limit (N), - * a value greater than N if the limit would be exceeded, else strlen. */ -extern long __strnlen_user(const char __user *, long); - -extern inline long strnlen_user(const char __user *str, long n) -{ - return access_ok(VERIFY_READ,str,0) ? __strnlen_user(str, n) : 0; -} +extern long strncpy_from_user(char *dest, const char __user *src, long count); +extern __must_check long strlen_user(const char __user *str); +extern __must_check long strnlen_user(const char __user *str, long n); /* * About the exception table: diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index 2207fc61665..f2c94402e2c 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h @@ -1,470 +1,10 @@ #ifndef _ALPHA_UNISTD_H #define _ALPHA_UNISTD_H -#define __NR_osf_syscall 0 /* not implemented */ -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_osf_old_open 5 /* not implemented */ -#define __NR_close 6 -#define __NR_osf_wait4 7 -#define __NR_osf_old_creat 8 /* not implemented */ -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_osf_execve 11 /* not implemented */ -#define __NR_chdir 12 -#define __NR_fchdir 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_chown 16 -#define __NR_brk 17 -#define __NR_osf_getfsstat 18 /* not implemented */ -#define __NR_lseek 19 -#define __NR_getxpid 20 -#define __NR_osf_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getxuid 24 -#define __NR_exec_with_loader 25 /* not implemented */ -#define __NR_ptrace 26 -#define __NR_osf_nrecvmsg 27 /* not implemented */ -#define __NR_osf_nsendmsg 28 /* not implemented */ -#define __NR_osf_nrecvfrom 29 /* not implemented */ -#define __NR_osf_naccept 30 /* not implemented */ -#define __NR_osf_ngetpeername 31 /* not implemented */ -#define __NR_osf_ngetsockname 32 /* not implemented */ -#define __NR_access 33 -#define __NR_osf_chflags 34 /* not implemented */ -#define __NR_osf_fchflags 35 /* not implemented */ -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_osf_old_stat 38 /* not implemented */ -#define __NR_setpgid 39 -#define __NR_osf_old_lstat 40 /* not implemented */ -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_osf_set_program_attributes 43 -#define __NR_osf_profil 44 /* not implemented */ -#define __NR_open 45 -#define __NR_osf_old_sigaction 46 /* not implemented */ -#define __NR_getxgid 47 -#define __NR_osf_sigprocmask 48 -#define __NR_osf_getlogin 49 /* not implemented */ -#define __NR_osf_setlogin 50 /* not implemented */ -#define __NR_acct 51 -#define __NR_sigpending 52 +#include <uapi/asm/unistd.h> -#define __NR_ioctl 54 -#define __NR_osf_reboot 55 /* not implemented */ -#define __NR_osf_revoke 56 /* not implemented */ -#define __NR_symlink 57 -#define __NR_readlink 58 -#define __NR_execve 59 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_osf_old_fstat 62 /* not implemented */ -#define __NR_getpgrp 63 -#define __NR_getpagesize 64 -#define __NR_osf_mremap 65 /* not implemented */ -#define __NR_vfork 66 -#define __NR_stat 67 -#define __NR_lstat 68 -#define __NR_osf_sbrk 69 /* not implemented */ -#define __NR_osf_sstk 70 /* not implemented */ -#define __NR_mmap 71 /* OSF/1 mmap is superset of Linux */ -#define __NR_osf_old_vadvise 72 /* not implemented */ -#define __NR_munmap 73 -#define __NR_mprotect 74 -#define __NR_madvise 75 -#define __NR_vhangup 76 -#define __NR_osf_kmodcall 77 /* not implemented */ -#define __NR_osf_mincore 78 /* not implemented */ -#define __NR_getgroups 79 -#define __NR_setgroups 80 -#define __NR_osf_old_getpgrp 81 /* not implemented */ -#define __NR_setpgrp 82 /* BSD alias for setpgid */ -#define __NR_osf_setitimer 83 -#define __NR_osf_old_wait 84 /* not implemented */ -#define __NR_osf_table 85 /* not implemented */ -#define __NR_osf_getitimer 86 -#define __NR_gethostname 87 -#define __NR_sethostname 88 -#define __NR_getdtablesize 89 -#define __NR_dup2 90 -#define __NR_fstat 91 -#define __NR_fcntl 92 -#define __NR_osf_select 93 -#define __NR_poll 94 -#define __NR_fsync 95 -#define __NR_setpriority 96 -#define __NR_socket 97 -#define __NR_connect 98 -#define __NR_accept 99 -#define __NR_getpriority 100 -#define __NR_send 101 -#define __NR_recv 102 -#define __NR_sigreturn 103 -#define __NR_bind 104 -#define __NR_setsockopt 105 -#define __NR_listen 106 -#define __NR_osf_plock 107 /* not implemented */ -#define __NR_osf_old_sigvec 108 /* not implemented */ -#define __NR_osf_old_sigblock 109 /* not implemented */ -#define __NR_osf_old_sigsetmask 110 /* not implemented */ -#define __NR_sigsuspend 111 -#define __NR_osf_sigstack 112 -#define __NR_recvmsg 113 -#define __NR_sendmsg 114 -#define __NR_osf_old_vtrace 115 /* not implemented */ -#define __NR_osf_gettimeofday 116 -#define __NR_osf_getrusage 117 -#define __NR_getsockopt 118 +#define NR_SYSCALLS 508 -#define __NR_readv 120 -#define __NR_writev 121 -#define __NR_osf_settimeofday 122 -#define __NR_fchown 123 -#define __NR_fchmod 124 -#define __NR_recvfrom 125 -#define __NR_setreuid 126 -#define __NR_setregid 127 -#define __NR_rename 128 -#define __NR_truncate 129 -#define __NR_ftruncate 130 -#define __NR_flock 131 -#define __NR_setgid 132 -#define __NR_sendto 133 -#define __NR_shutdown 134 -#define __NR_socketpair 135 -#define __NR_mkdir 136 -#define __NR_rmdir 137 -#define __NR_osf_utimes 138 -#define __NR_osf_old_sigreturn 139 /* not implemented */ -#define __NR_osf_adjtime 140 /* not implemented */ -#define __NR_getpeername 141 -#define __NR_osf_gethostid 142 /* not implemented */ -#define __NR_osf_sethostid 143 /* not implemented */ -#define __NR_getrlimit 144 -#define __NR_setrlimit 145 -#define __NR_osf_old_killpg 146 /* not implemented */ -#define __NR_setsid 147 -#define __NR_quotactl 148 -#define __NR_osf_oldquota 149 /* not implemented */ -#define __NR_getsockname 150 - -#define __NR_osf_pid_block 153 /* not implemented */ -#define __NR_osf_pid_unblock 154 /* not implemented */ - -#define __NR_sigaction 156 -#define __NR_osf_sigwaitprim 157 /* not implemented */ -#define __NR_osf_nfssvc 158 /* not implemented */ -#define __NR_osf_getdirentries 159 -#define __NR_osf_statfs 160 -#define __NR_osf_fstatfs 161 - -#define __NR_osf_asynch_daemon 163 /* not implemented */ -#define __NR_osf_getfh 164 /* not implemented */ -#define __NR_osf_getdomainname 165 -#define __NR_setdomainname 166 - -#define __NR_osf_exportfs 169 /* not implemented */ - -#define __NR_osf_alt_plock 181 /* not implemented */ - -#define __NR_osf_getmnt 184 /* not implemented */ - -#define __NR_osf_alt_sigpending 187 /* not implemented */ -#define __NR_osf_alt_setsid 188 /* not implemented */ - -#define __NR_osf_swapon 199 -#define __NR_msgctl 200 -#define __NR_msgget 201 -#define __NR_msgrcv 202 -#define __NR_msgsnd 203 -#define __NR_semctl 204 -#define __NR_semget 205 -#define __NR_semop 206 -#define __NR_osf_utsname 207 -#define __NR_lchown 208 -#define __NR_osf_shmat 209 -#define __NR_shmctl 210 -#define __NR_shmdt 211 -#define __NR_shmget 212 -#define __NR_osf_mvalid 213 /* not implemented */ -#define __NR_osf_getaddressconf 214 /* not implemented */ -#define __NR_osf_msleep 215 /* not implemented */ -#define __NR_osf_mwakeup 216 /* not implemented */ -#define __NR_msync 217 -#define __NR_osf_signal 218 /* not implemented */ -#define __NR_osf_utc_gettime 219 /* not implemented */ -#define __NR_osf_utc_adjtime 220 /* not implemented */ - -#define __NR_osf_security 222 /* not implemented */ -#define __NR_osf_kloadcall 223 /* not implemented */ - -#define __NR_getpgid 233 -#define __NR_getsid 234 -#define __NR_sigaltstack 235 -#define __NR_osf_waitid 236 /* not implemented */ -#define __NR_osf_priocntlset 237 /* not implemented */ -#define __NR_osf_sigsendset 238 /* not implemented */ -#define __NR_osf_set_speculative 239 /* not implemented */ -#define __NR_osf_msfs_syscall 240 /* not implemented */ -#define __NR_osf_sysinfo 241 -#define __NR_osf_uadmin 242 /* not implemented */ -#define __NR_osf_fuser 243 /* not implemented */ -#define __NR_osf_proplist_syscall 244 -#define __NR_osf_ntp_adjtime 245 /* not implemented */ -#define __NR_osf_ntp_gettime 246 /* not implemented */ -#define __NR_osf_pathconf 247 /* not implemented */ -#define __NR_osf_fpathconf 248 /* not implemented */ - -#define __NR_osf_uswitch 250 /* not implemented */ -#define __NR_osf_usleep_thread 251 -#define __NR_osf_audcntl 252 /* not implemented */ -#define __NR_osf_audgen 253 /* not implemented */ -#define __NR_sysfs 254 -#define __NR_osf_subsys_info 255 /* not implemented */ -#define __NR_osf_getsysinfo 256 -#define __NR_osf_setsysinfo 257 -#define __NR_osf_afs_syscall 258 /* not implemented */ -#define __NR_osf_swapctl 259 /* not implemented */ -#define __NR_osf_memcntl 260 /* not implemented */ -#define __NR_osf_fdatasync 261 /* not implemented */ - -/* - * Ignore legacy syscalls that we don't use. - */ -#define __IGNORE_alarm -#define __IGNORE_creat -#define __IGNORE_getegid -#define __IGNORE_geteuid -#define __IGNORE_getgid -#define __IGNORE_getpid -#define __IGNORE_getppid -#define __IGNORE_getuid -#define __IGNORE_pause -#define __IGNORE_time -#define __IGNORE_utime -#define __IGNORE_umount2 - -/* - * Linux-specific system calls begin at 300 - */ -#define __NR_bdflush 300 -#define __NR_sethae 301 -#define __NR_mount 302 -#define __NR_old_adjtimex 303 -#define __NR_swapoff 304 -#define __NR_getdents 305 -#define __NR_create_module 306 -#define __NR_init_module 307 -#define __NR_delete_module 308 -#define __NR_get_kernel_syms 309 -#define __NR_syslog 310 -#define __NR_reboot 311 -#define __NR_clone 312 -#define __NR_uselib 313 -#define __NR_mlock 314 -#define __NR_munlock 315 -#define __NR_mlockall 316 -#define __NR_munlockall 317 -#define __NR_sysinfo 318 -#define __NR__sysctl 319 -/* 320 was sys_idle. */ -#define __NR_oldumount 321 -#define __NR_swapon 322 -#define __NR_times 323 -#define __NR_personality 324 -#define __NR_setfsuid 325 -#define __NR_setfsgid 326 -#define __NR_ustat 327 -#define __NR_statfs 328 -#define __NR_fstatfs 329 -#define __NR_sched_setparam 330 -#define __NR_sched_getparam 331 -#define __NR_sched_setscheduler 332 -#define __NR_sched_getscheduler 333 -#define __NR_sched_yield 334 -#define __NR_sched_get_priority_max 335 -#define __NR_sched_get_priority_min 336 -#define __NR_sched_rr_get_interval 337 -#define __NR_afs_syscall 338 -#define __NR_uname 339 -#define __NR_nanosleep 340 -#define __NR_mremap 341 -#define __NR_nfsservctl 342 -#define __NR_setresuid 343 -#define __NR_getresuid 344 -#define __NR_pciconfig_read 345 -#define __NR_pciconfig_write 346 -#define __NR_query_module 347 -#define __NR_prctl 348 -#define __NR_pread64 349 -#define __NR_pwrite64 350 -#define __NR_rt_sigreturn 351 -#define __NR_rt_sigaction 352 -#define __NR_rt_sigprocmask 353 -#define __NR_rt_sigpending 354 -#define __NR_rt_sigtimedwait 355 -#define __NR_rt_sigqueueinfo 356 -#define __NR_rt_sigsuspend 357 -#define __NR_select 358 -#define __NR_gettimeofday 359 -#define __NR_settimeofday 360 -#define __NR_getitimer 361 -#define __NR_setitimer 362 -#define __NR_utimes 363 -#define __NR_getrusage 364 -#define __NR_wait4 365 -#define __NR_adjtimex 366 -#define __NR_getcwd 367 -#define __NR_capget 368 -#define __NR_capset 369 -#define __NR_sendfile 370 -#define __NR_setresgid 371 -#define __NR_getresgid 372 -#define __NR_dipc 373 -#define __NR_pivot_root 374 -#define __NR_mincore 375 -#define __NR_pciconfig_iobase 376 -#define __NR_getdents64 377 -#define __NR_gettid 378 -#define __NR_readahead 379 -/* 380 is unused */ -#define __NR_tkill 381 -#define __NR_setxattr 382 -#define __NR_lsetxattr 383 -#define __NR_fsetxattr 384 -#define __NR_getxattr 385 -#define __NR_lgetxattr 386 -#define __NR_fgetxattr 387 -#define __NR_listxattr 388 -#define __NR_llistxattr 389 -#define __NR_flistxattr 390 -#define __NR_removexattr 391 -#define __NR_lremovexattr 392 -#define __NR_fremovexattr 393 -#define __NR_futex 394 -#define __NR_sched_setaffinity 395 -#define __NR_sched_getaffinity 396 -#define __NR_tuxcall 397 -#define __NR_io_setup 398 -#define __NR_io_destroy 399 -#define __NR_io_getevents 400 -#define __NR_io_submit 401 -#define __NR_io_cancel 402 -#define __NR_exit_group 405 -#define __NR_lookup_dcookie 406 -#define __NR_epoll_create 407 -#define __NR_epoll_ctl 408 -#define __NR_epoll_wait 409 -/* Feb 2007: These three sys_epoll defines shouldn't be here but culling - * them would break userspace apps ... we'll kill them off in 2010 :) */ -#define __NR_sys_epoll_create __NR_epoll_create -#define __NR_sys_epoll_ctl __NR_epoll_ctl -#define __NR_sys_epoll_wait __NR_epoll_wait -#define __NR_remap_file_pages 410 -#define __NR_set_tid_address 411 -#define __NR_restart_syscall 412 -#define __NR_fadvise64 413 -#define __NR_timer_create 414 -#define __NR_timer_settime 415 -#define __NR_timer_gettime 416 -#define __NR_timer_getoverrun 417 -#define __NR_timer_delete 418 -#define __NR_clock_settime 419 -#define __NR_clock_gettime 420 -#define __NR_clock_getres 421 -#define __NR_clock_nanosleep 422 -#define __NR_semtimedop 423 -#define __NR_tgkill 424 -#define __NR_stat64 425 -#define __NR_lstat64 426 -#define __NR_fstat64 427 -#define __NR_vserver 428 -#define __NR_mbind 429 -#define __NR_get_mempolicy 430 -#define __NR_set_mempolicy 431 -#define __NR_mq_open 432 -#define __NR_mq_unlink 433 -#define __NR_mq_timedsend 434 -#define __NR_mq_timedreceive 435 -#define __NR_mq_notify 436 -#define __NR_mq_getsetattr 437 -#define __NR_waitid 438 -#define __NR_add_key 439 -#define __NR_request_key 440 -#define __NR_keyctl 441 -#define __NR_ioprio_set 442 -#define __NR_ioprio_get 443 -#define __NR_inotify_init 444 -#define __NR_inotify_add_watch 445 -#define __NR_inotify_rm_watch 446 -#define __NR_fdatasync 447 -#define __NR_kexec_load 448 -#define __NR_migrate_pages 449 -#define __NR_openat 450 -#define __NR_mkdirat 451 -#define __NR_mknodat 452 -#define __NR_fchownat 453 -#define __NR_futimesat 454 -#define __NR_fstatat64 455 -#define __NR_unlinkat 456 -#define __NR_renameat 457 -#define __NR_linkat 458 -#define __NR_symlinkat 459 -#define __NR_readlinkat 460 -#define __NR_fchmodat 461 -#define __NR_faccessat 462 -#define __NR_pselect6 463 -#define __NR_ppoll 464 -#define __NR_unshare 465 -#define __NR_set_robust_list 466 -#define __NR_get_robust_list 467 -#define __NR_splice 468 -#define __NR_sync_file_range 469 -#define __NR_tee 470 -#define __NR_vmsplice 471 -#define __NR_move_pages 472 -#define __NR_getcpu 473 -#define __NR_epoll_pwait 474 -#define __NR_utimensat 475 -#define __NR_signalfd 476 -#define __NR_timerfd 477 -#define __NR_eventfd 478 -#define __NR_recvmmsg 479 -#define __NR_fallocate 480 -#define __NR_timerfd_create 481 -#define __NR_timerfd_settime 482 -#define __NR_timerfd_gettime 483 -#define __NR_signalfd4 484 -#define __NR_eventfd2 485 -#define __NR_epoll_create1 486 -#define __NR_dup3 487 -#define __NR_pipe2 488 -#define __NR_inotify_init1 489 -#define __NR_preadv 490 -#define __NR_pwritev 491 -#define __NR_rt_tgsigqueueinfo 492 -#define __NR_perf_event_open 493 -#define __NR_fanotify_init 494 -#define __NR_fanotify_mark 495 -#define __NR_prlimit64 496 -#define __NR_name_to_handle_at 497 -#define __NR_open_by_handle_at 498 -#define __NR_clock_adjtime 499 -#define __NR_syncfs 500 -#define __NR_setns 501 -#define __NR_accept4 502 -#define __NR_sendmmsg 503 - -#ifdef __KERNEL__ - -#define NR_SYSCALLS 504 - -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME @@ -473,19 +13,8 @@ #define __ARCH_WANT_SYS_OLD_GETRLIMIT #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_RT_SIGSUSPEND - -/* "Conditional" syscalls. What we want is - - __attribute__((weak,alias("sys_ni_syscall"))) - - but that raises the problem of what type to give the symbol. If we use - a prototype, it'll conflict with the definition given in this file and - others. If we use __typeof, we discover that not all symbols actually - have declarations. If we use no prototype, then we get warnings from - -Wstrict-prototypes. Ho hum. */ - -#define cond_syscall(x) asm(".weak\t" #x "\n" #x " = sys_ni_syscall") +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_CLONE -#endif /* __KERNEL__ */ #endif /* _ALPHA_UNISTD_H */ diff --git a/arch/alpha/include/asm/word-at-a-time.h b/arch/alpha/include/asm/word-at-a-time.h new file mode 100644 index 00000000000..6b340d0f152 --- /dev/null +++ b/arch/alpha/include/asm/word-at-a-time.h @@ -0,0 +1,55 @@ +#ifndef _ASM_WORD_AT_A_TIME_H +#define _ASM_WORD_AT_A_TIME_H + +#include <asm/compiler.h> + +/* + * word-at-a-time interface for Alpha. + */ + +/* + * We do not use the word_at_a_time struct on Alpha, but it needs to be + * implemented to humour the generic code. + */ +struct word_at_a_time { + const unsigned long unused; +}; + +#define WORD_AT_A_TIME_CONSTANTS { 0 } + +/* Return nonzero if val has a zero */ +static inline unsigned long has_zero(unsigned long val, unsigned long *bits, const struct word_at_a_time *c) +{ + unsigned long zero_locations = __kernel_cmpbge(0, val); + *bits = zero_locations; + return zero_locations; +} + +static inline unsigned long prep_zero_mask(unsigned long val, unsigned long bits, const struct word_at_a_time *c) +{ + return bits; +} + +#define create_zero_mask(bits) (bits) + +static inline unsigned long find_zero(unsigned long bits) +{ +#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) + /* Simple if have CIX instructions */ + return __kernel_cttz(bits); +#else + unsigned long t1, t2, t3; + /* Retain lowest set bit only */ + bits &= -bits; + /* Binary search for lowest set bit */ + t1 = bits & 0xf0; + t2 = bits & 0xcc; + t3 = bits & 0xaa; + if (t1) t1 = 4; + if (t2) t2 = 2; + if (t3) t3 = 1; + return t1 + t2 + t3; +#endif +} + +#endif /* _ASM_WORD_AT_A_TIME_H */ diff --git a/arch/alpha/include/asm/xchg.h b/arch/alpha/include/asm/xchg.h index beba1b803e0..0ca9724597c 100644 --- a/arch/alpha/include/asm/xchg.h +++ b/arch/alpha/include/asm/xchg.h @@ -1,10 +1,10 @@ -#ifndef __ALPHA_SYSTEM_H +#ifndef _ALPHA_CMPXCHG_H #error Do not include xchg.h directly! #else /* * xchg/xchg_local and cmpxchg/cmpxchg_local share the same code * except that local version do not have the expensive memory barrier. - * So this file is included twice from asm/system.h. + * So this file is included twice from asm/cmpxchg.h. */ /* diff --git a/arch/alpha/include/uapi/asm/Kbuild b/arch/alpha/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..d96f2ef5b63 --- /dev/null +++ b/arch/alpha/include/uapi/asm/Kbuild @@ -0,0 +1,43 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +header-y += a.out.h +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += compiler.h +header-y += console.h +header-y += errno.h +header-y += fcntl.h +header-y += fpu.h +header-y += gentrap.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += pal.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += reg.h +header-y += regdef.h +header-y += resource.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += sysinfo.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/alpha/include/uapi/asm/a.out.h b/arch/alpha/include/uapi/asm/a.out.h new file mode 100644 index 00000000000..547707246f6 --- /dev/null +++ b/arch/alpha/include/uapi/asm/a.out.h @@ -0,0 +1,91 @@ +#ifndef _UAPI__ALPHA_A_OUT_H__ +#define _UAPI__ALPHA_A_OUT_H__ + +#include <linux/types.h> + +/* + * OSF/1 ECOFF header structs. ECOFF files consist of: + * - a file header (struct filehdr), + * - an a.out header (struct aouthdr), + * - one or more section headers (struct scnhdr). + * The filhdr's "f_nscns" field contains the + * number of section headers. + */ + +struct filehdr +{ + /* OSF/1 "file" header */ + __u16 f_magic, f_nscns; + __u32 f_timdat; + __u64 f_symptr; + __u32 f_nsyms; + __u16 f_opthdr, f_flags; +}; + +struct aouthdr +{ + __u64 info; /* after that it looks quite normal.. */ + __u64 tsize; + __u64 dsize; + __u64 bsize; + __u64 entry; + __u64 text_start; /* with a few additions that actually make sense */ + __u64 data_start; + __u64 bss_start; + __u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */ + __u64 gpvalue; +}; + +struct scnhdr +{ + char s_name[8]; + __u64 s_paddr; + __u64 s_vaddr; + __u64 s_size; + __u64 s_scnptr; + __u64 s_relptr; + __u64 s_lnnoptr; + __u16 s_nreloc; + __u16 s_nlnno; + __u32 s_flags; +}; + +struct exec +{ + /* OSF/1 "file" header */ + struct filehdr fh; + struct aouthdr ah; +}; + +/* + * Define's so that the kernel exec code can access the a.out header + * fields... + */ +#define a_info ah.info +#define a_text ah.tsize +#define a_data ah.dsize +#define a_bss ah.bsize +#define a_entry ah.entry +#define a_textstart ah.text_start +#define a_datastart ah.data_start +#define a_bssstart ah.bss_start +#define a_gprmask ah.gprmask +#define a_fprmask ah.fprmask +#define a_gpvalue ah.gpvalue + +#define N_TXTADDR(x) ((x).a_textstart) +#define N_DATADDR(x) ((x).a_datastart) +#define N_BSSADDR(x) ((x).a_bssstart) +#define N_DRSIZE(x) 0 +#define N_TRSIZE(x) 0 +#define N_SYMSIZE(x) 0 + +#define AOUTHSZ sizeof(struct aouthdr) +#define SCNHSZ sizeof(struct scnhdr) +#define SCNROUND 16 + +#define N_TXTOFF(x) \ + ((long) N_MAGIC(x) == ZMAGIC ? 0 : \ + (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1)) + +#endif /* _UAPI__ALPHA_A_OUT_H__ */ diff --git a/arch/alpha/include/asm/auxvec.h b/arch/alpha/include/uapi/asm/auxvec.h index e96fe880e31..a3a579dfdb4 100644 --- a/arch/alpha/include/asm/auxvec.h +++ b/arch/alpha/include/uapi/asm/auxvec.h @@ -21,4 +21,6 @@ #define AT_L2_CACHESHAPE 36 #define AT_L3_CACHESHAPE 37 +#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */ + #endif /* __ASM_ALPHA_AUXVEC_H */ diff --git a/arch/alpha/include/asm/bitsperlong.h b/arch/alpha/include/uapi/asm/bitsperlong.h index ad57f786820..ad57f786820 100644 --- a/arch/alpha/include/asm/bitsperlong.h +++ b/arch/alpha/include/uapi/asm/bitsperlong.h diff --git a/arch/alpha/include/asm/byteorder.h b/arch/alpha/include/uapi/asm/byteorder.h index 73683093202..73683093202 100644 --- a/arch/alpha/include/asm/byteorder.h +++ b/arch/alpha/include/uapi/asm/byteorder.h diff --git a/arch/alpha/include/uapi/asm/compiler.h b/arch/alpha/include/uapi/asm/compiler.h new file mode 100644 index 00000000000..32cc7833f0c --- /dev/null +++ b/arch/alpha/include/uapi/asm/compiler.h @@ -0,0 +1,117 @@ +#ifndef _UAPI__ALPHA_COMPILER_H +#define _UAPI__ALPHA_COMPILER_H + +/* + * Herein are macros we use when describing various patterns we want to GCC. + * In all cases we can get better schedules out of the compiler if we hide + * as little as possible inside inline assembly. However, we want to be + * able to know what we'll get out before giving up inline assembly. Thus + * these tests and macros. + */ + +#if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 +# define __kernel_insbl(val, shift) __builtin_alpha_insbl(val, shift) +# define __kernel_inswl(val, shift) __builtin_alpha_inswl(val, shift) +# define __kernel_insql(val, shift) __builtin_alpha_insql(val, shift) +# define __kernel_inslh(val, shift) __builtin_alpha_inslh(val, shift) +# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift) +# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift) +# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b) +#else +# define __kernel_insbl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("insbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_inswl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("inswl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_insql(val, shift) \ + ({ unsigned long __kir; \ + __asm__("insql %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_inslh(val, shift) \ + ({ unsigned long __kir; \ + __asm__("inslh %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_extbl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("extbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_extwl(val, shift) \ + ({ unsigned long __kir; \ + __asm__("extwl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ + __kir; }) +# define __kernel_cmpbge(a, b) \ + ({ unsigned long __kir; \ + __asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \ + __kir; }) +#endif + +#ifdef __alpha_cix__ +# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 +# define __kernel_cttz(x) __builtin_ctzl(x) +# define __kernel_ctlz(x) __builtin_clzl(x) +# define __kernel_ctpop(x) __builtin_popcountl(x) +# else +# define __kernel_cttz(x) \ + ({ unsigned long __kir; \ + __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctlz(x) \ + ({ unsigned long __kir; \ + __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctpop(x) \ + ({ unsigned long __kir; \ + __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# endif +#else +# define __kernel_cttz(x) \ + ({ unsigned long __kir; \ + __asm__(".arch ev67; cttz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctlz(x) \ + ({ unsigned long __kir; \ + __asm__(".arch ev67; ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +# define __kernel_ctpop(x) \ + ({ unsigned long __kir; \ + __asm__(".arch ev67; ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ + __kir; }) +#endif + + +/* + * Beginning with EGCS 1.1, GCC defines __alpha_bwx__ when the BWX + * extension is enabled. Previous versions did not define anything + * we could test during compilation -- too bad, so sad. + */ + +#if defined(__alpha_bwx__) +#define __kernel_ldbu(mem) (mem) +#define __kernel_ldwu(mem) (mem) +#define __kernel_stb(val,mem) ((mem) = (val)) +#define __kernel_stw(val,mem) ((mem) = (val)) +#else +#define __kernel_ldbu(mem) \ + ({ unsigned char __kir; \ + __asm__(".arch ev56; \ + ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \ + __kir; }) +#define __kernel_ldwu(mem) \ + ({ unsigned short __kir; \ + __asm__(".arch ev56; \ + ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \ + __kir; }) +#define __kernel_stb(val,mem) \ + __asm__(".arch ev56; \ + stb %1,%0" : "=m"(mem) : "r"(val)) +#define __kernel_stw(val,mem) \ + __asm__(".arch ev56; \ + stw %1,%0" : "=m"(mem) : "r"(val)) +#endif + + +#endif /* _UAPI__ALPHA_COMPILER_H */ diff --git a/arch/alpha/include/uapi/asm/console.h b/arch/alpha/include/uapi/asm/console.h new file mode 100644 index 00000000000..fd08a191f36 --- /dev/null +++ b/arch/alpha/include/uapi/asm/console.h @@ -0,0 +1,50 @@ +#ifndef _UAPI__AXP_CONSOLE_H +#define _UAPI__AXP_CONSOLE_H + +/* + * Console callback routine numbers + */ +#define CCB_GETC 0x01 +#define CCB_PUTS 0x02 +#define CCB_RESET_TERM 0x03 +#define CCB_SET_TERM_INT 0x04 +#define CCB_SET_TERM_CTL 0x05 +#define CCB_PROCESS_KEYCODE 0x06 +#define CCB_OPEN_CONSOLE 0x07 +#define CCB_CLOSE_CONSOLE 0x08 + +#define CCB_OPEN 0x10 +#define CCB_CLOSE 0x11 +#define CCB_IOCTL 0x12 +#define CCB_READ 0x13 +#define CCB_WRITE 0x14 + +#define CCB_SET_ENV 0x20 +#define CCB_RESET_ENV 0x21 +#define CCB_GET_ENV 0x22 +#define CCB_SAVE_ENV 0x23 + +#define CCB_PSWITCH 0x30 +#define CCB_BIOS_EMUL 0x32 + +/* + * Environment variable numbers + */ +#define ENV_AUTO_ACTION 0x01 +#define ENV_BOOT_DEV 0x02 +#define ENV_BOOTDEF_DEV 0x03 +#define ENV_BOOTED_DEV 0x04 +#define ENV_BOOT_FILE 0x05 +#define ENV_BOOTED_FILE 0x06 +#define ENV_BOOT_OSFLAGS 0x07 +#define ENV_BOOTED_OSFLAGS 0x08 +#define ENV_BOOT_RESET 0x09 +#define ENV_DUMP_DEV 0x0A +#define ENV_ENABLE_AUDIT 0x0B +#define ENV_LICENSE 0x0C +#define ENV_CHAR_SET 0x0D +#define ENV_LANGUAGE 0x0E +#define ENV_TTY_DEV 0x0F + + +#endif /* _UAPI__AXP_CONSOLE_H */ diff --git a/arch/alpha/include/asm/errno.h b/arch/alpha/include/uapi/asm/errno.h index e5f29ca2818..17f92aa76b2 100644 --- a/arch/alpha/include/asm/errno.h +++ b/arch/alpha/include/uapi/asm/errno.h @@ -43,7 +43,7 @@ #define EUSERS 68 /* Too many users */ #define EDQUOT 69 /* Quota exceeded */ -#define ESTALE 70 /* Stale NFS file handle */ +#define ESTALE 70 /* Stale file handle */ #define EREMOTE 71 /* Object is remote */ #define ENOLCK 77 /* No record locks available */ diff --git a/arch/alpha/include/asm/fcntl.h b/arch/alpha/include/uapi/asm/fcntl.h index 6d9e805f18a..09f49a6b87d 100644 --- a/arch/alpha/include/asm/fcntl.h +++ b/arch/alpha/include/uapi/asm/fcntl.h @@ -32,6 +32,7 @@ #define O_SYNC (__O_SYNC|O_DSYNC) #define O_PATH 040000000 +#define __O_TMPFILE 0100000000 #define F_GETLK 7 #define F_SETLK 8 diff --git a/arch/alpha/include/uapi/asm/fpu.h b/arch/alpha/include/uapi/asm/fpu.h new file mode 100644 index 00000000000..21a053ca223 --- /dev/null +++ b/arch/alpha/include/uapi/asm/fpu.h @@ -0,0 +1,123 @@ +#ifndef _UAPI__ASM_ALPHA_FPU_H +#define _UAPI__ASM_ALPHA_FPU_H + + +/* + * Alpha floating-point control register defines: + */ +#define FPCR_DNOD (1UL<<47) /* denorm INV trap disable */ +#define FPCR_DNZ (1UL<<48) /* denorms to zero */ +#define FPCR_INVD (1UL<<49) /* invalid op disable (opt.) */ +#define FPCR_DZED (1UL<<50) /* division by zero disable (opt.) */ +#define FPCR_OVFD (1UL<<51) /* overflow disable (optional) */ +#define FPCR_INV (1UL<<52) /* invalid operation */ +#define FPCR_DZE (1UL<<53) /* division by zero */ +#define FPCR_OVF (1UL<<54) /* overflow */ +#define FPCR_UNF (1UL<<55) /* underflow */ +#define FPCR_INE (1UL<<56) /* inexact */ +#define FPCR_IOV (1UL<<57) /* integer overflow */ +#define FPCR_UNDZ (1UL<<60) /* underflow to zero (opt.) */ +#define FPCR_UNFD (1UL<<61) /* underflow disable (opt.) */ +#define FPCR_INED (1UL<<62) /* inexact disable (opt.) */ +#define FPCR_SUM (1UL<<63) /* summary bit */ + +#define FPCR_DYN_SHIFT 58 /* first dynamic rounding mode bit */ +#define FPCR_DYN_CHOPPED (0x0UL << FPCR_DYN_SHIFT) /* towards 0 */ +#define FPCR_DYN_MINUS (0x1UL << FPCR_DYN_SHIFT) /* towards -INF */ +#define FPCR_DYN_NORMAL (0x2UL << FPCR_DYN_SHIFT) /* towards nearest */ +#define FPCR_DYN_PLUS (0x3UL << FPCR_DYN_SHIFT) /* towards +INF */ +#define FPCR_DYN_MASK (0x3UL << FPCR_DYN_SHIFT) + +#define FPCR_MASK 0xffff800000000000L + +/* + * IEEE trap enables are implemented in software. These per-thread + * bits are stored in the "ieee_state" field of "struct thread_info". + * Thus, the bits are defined so as not to conflict with the + * floating-point enable bit (which is architected). On top of that, + * we want to make these bits compatible with OSF/1 so + * ieee_set_fp_control() etc. can be implemented easily and + * compatibly. The corresponding definitions are in + * /usr/include/machine/fpu.h under OSF/1. + */ +#define IEEE_TRAP_ENABLE_INV (1UL<<1) /* invalid op */ +#define IEEE_TRAP_ENABLE_DZE (1UL<<2) /* division by zero */ +#define IEEE_TRAP_ENABLE_OVF (1UL<<3) /* overflow */ +#define IEEE_TRAP_ENABLE_UNF (1UL<<4) /* underflow */ +#define IEEE_TRAP_ENABLE_INE (1UL<<5) /* inexact */ +#define IEEE_TRAP_ENABLE_DNO (1UL<<6) /* denorm */ +#define IEEE_TRAP_ENABLE_MASK (IEEE_TRAP_ENABLE_INV | IEEE_TRAP_ENABLE_DZE |\ + IEEE_TRAP_ENABLE_OVF | IEEE_TRAP_ENABLE_UNF |\ + IEEE_TRAP_ENABLE_INE | IEEE_TRAP_ENABLE_DNO) + +/* Denorm and Underflow flushing */ +#define IEEE_MAP_DMZ (1UL<<12) /* Map denorm inputs to zero */ +#define IEEE_MAP_UMZ (1UL<<13) /* Map underflowed outputs to zero */ + +#define IEEE_MAP_MASK (IEEE_MAP_DMZ | IEEE_MAP_UMZ) + +/* status bits coming from fpcr: */ +#define IEEE_STATUS_INV (1UL<<17) +#define IEEE_STATUS_DZE (1UL<<18) +#define IEEE_STATUS_OVF (1UL<<19) +#define IEEE_STATUS_UNF (1UL<<20) +#define IEEE_STATUS_INE (1UL<<21) +#define IEEE_STATUS_DNO (1UL<<22) + +#define IEEE_STATUS_MASK (IEEE_STATUS_INV | IEEE_STATUS_DZE | \ + IEEE_STATUS_OVF | IEEE_STATUS_UNF | \ + IEEE_STATUS_INE | IEEE_STATUS_DNO) + +#define IEEE_SW_MASK (IEEE_TRAP_ENABLE_MASK | \ + IEEE_STATUS_MASK | IEEE_MAP_MASK) + +#define IEEE_CURRENT_RM_SHIFT 32 +#define IEEE_CURRENT_RM_MASK (3UL<<IEEE_CURRENT_RM_SHIFT) + +#define IEEE_STATUS_TO_EXCSUM_SHIFT 16 + +#define IEEE_INHERIT (1UL<<63) /* inherit on thread create? */ + +/* + * Convert the software IEEE trap enable and status bits into the + * hardware fpcr format. + * + * Digital Unix engineers receive my thanks for not defining the + * software bits identical to the hardware bits. The chip designers + * receive my thanks for making all the not-implemented fpcr bits + * RAZ forcing us to use system calls to read/write this value. + */ + +static inline unsigned long +ieee_swcr_to_fpcr(unsigned long sw) +{ + unsigned long fp; + fp = (sw & IEEE_STATUS_MASK) << 35; + fp |= (sw & IEEE_MAP_DMZ) << 36; + fp |= (sw & IEEE_STATUS_MASK ? FPCR_SUM : 0); + fp |= (~sw & (IEEE_TRAP_ENABLE_INV + | IEEE_TRAP_ENABLE_DZE + | IEEE_TRAP_ENABLE_OVF)) << 48; + fp |= (~sw & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE)) << 57; + fp |= (sw & IEEE_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); + fp |= (~sw & IEEE_TRAP_ENABLE_DNO) << 41; + return fp; +} + +static inline unsigned long +ieee_fpcr_to_swcr(unsigned long fp) +{ + unsigned long sw; + sw = (fp >> 35) & IEEE_STATUS_MASK; + sw |= (fp >> 36) & IEEE_MAP_DMZ; + sw |= (~fp >> 48) & (IEEE_TRAP_ENABLE_INV + | IEEE_TRAP_ENABLE_DZE + | IEEE_TRAP_ENABLE_OVF); + sw |= (~fp >> 57) & (IEEE_TRAP_ENABLE_UNF | IEEE_TRAP_ENABLE_INE); + sw |= (fp >> 47) & IEEE_MAP_UMZ; + sw |= (~fp >> 41) & IEEE_TRAP_ENABLE_DNO; + return sw; +} + + +#endif /* _UAPI__ASM_ALPHA_FPU_H */ diff --git a/arch/alpha/include/asm/gentrap.h b/arch/alpha/include/uapi/asm/gentrap.h index ae50cc3192c..ae50cc3192c 100644 --- a/arch/alpha/include/asm/gentrap.h +++ b/arch/alpha/include/uapi/asm/gentrap.h diff --git a/arch/alpha/include/asm/ioctl.h b/arch/alpha/include/uapi/asm/ioctl.h index fc63727f417..fc63727f417 100644 --- a/arch/alpha/include/asm/ioctl.h +++ b/arch/alpha/include/uapi/asm/ioctl.h diff --git a/arch/alpha/include/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h index 80e1cee90f1..92c557be49f 100644 --- a/arch/alpha/include/asm/ioctls.h +++ b/arch/alpha/include/uapi/asm/ioctls.h @@ -95,6 +95,9 @@ #define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ #define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ #define TIOCVHANGUP 0x5437 +#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ +#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ +#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ #define TIOCSERCONFIG 0x5453 #define TIOCSERGWILD 0x5454 diff --git a/arch/alpha/include/asm/ipcbuf.h b/arch/alpha/include/uapi/asm/ipcbuf.h index 84c7e51cb6d..84c7e51cb6d 100644 --- a/arch/alpha/include/asm/ipcbuf.h +++ b/arch/alpha/include/uapi/asm/ipcbuf.h diff --git a/arch/alpha/include/uapi/asm/kvm_para.h b/arch/alpha/include/uapi/asm/kvm_para.h new file mode 100644 index 00000000000..14fab8f0b95 --- /dev/null +++ b/arch/alpha/include/uapi/asm/kvm_para.h @@ -0,0 +1 @@ +#include <asm-generic/kvm_para.h> diff --git a/arch/alpha/include/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h index 72db984f878..0086b472bc2 100644 --- a/arch/alpha/include/asm/mman.h +++ b/arch/alpha/include/uapi/asm/mman.h @@ -56,7 +56,22 @@ #define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ #define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */ +#define MADV_DONTDUMP 16 /* Explicity exclude from the core dump, + overrides the coredump filter bits */ +#define MADV_DODUMP 17 /* Clear the MADV_NODUMP flag */ + /* compatibility flags */ #define MAP_FILE 0 +/* + * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. + * This gives us 6 bits, which is enough until someone invents 128 bit address + * spaces. + * + * Assume these are all power of twos. + * When 0 use the default page size. + */ +#define MAP_HUGE_SHIFT 26 +#define MAP_HUGE_MASK 0x3f + #endif /* __ALPHA_MMAN_H__ */ diff --git a/arch/alpha/include/asm/msgbuf.h b/arch/alpha/include/uapi/asm/msgbuf.h index 98496501a2b..98496501a2b 100644 --- a/arch/alpha/include/asm/msgbuf.h +++ b/arch/alpha/include/uapi/asm/msgbuf.h diff --git a/arch/alpha/include/uapi/asm/pal.h b/arch/alpha/include/uapi/asm/pal.h new file mode 100644 index 00000000000..dfc8140b908 --- /dev/null +++ b/arch/alpha/include/uapi/asm/pal.h @@ -0,0 +1,53 @@ +#ifndef _UAPI__ALPHA_PAL_H +#define _UAPI__ALPHA_PAL_H + +/* + * Common PAL-code + */ +#define PAL_halt 0 +#define PAL_cflush 1 +#define PAL_draina 2 +#define PAL_bpt 128 +#define PAL_bugchk 129 +#define PAL_chmk 131 +#define PAL_callsys 131 +#define PAL_imb 134 +#define PAL_rduniq 158 +#define PAL_wruniq 159 +#define PAL_gentrap 170 +#define PAL_nphalt 190 + +/* + * VMS specific PAL-code + */ +#define PAL_swppal 10 +#define PAL_mfpr_vptb 41 + +/* + * OSF specific PAL-code + */ +#define PAL_cserve 9 +#define PAL_wripir 13 +#define PAL_rdmces 16 +#define PAL_wrmces 17 +#define PAL_wrfen 43 +#define PAL_wrvptptr 45 +#define PAL_jtopal 46 +#define PAL_swpctx 48 +#define PAL_wrval 49 +#define PAL_rdval 50 +#define PAL_tbi 51 +#define PAL_wrent 52 +#define PAL_swpipl 53 +#define PAL_rdps 54 +#define PAL_wrkgp 55 +#define PAL_wrusp 56 +#define PAL_wrperfmon 57 +#define PAL_rdusp 58 +#define PAL_whami 60 +#define PAL_retsys 61 +#define PAL_wtint 62 +#define PAL_rti 63 + + +#endif /* _UAPI__ALPHA_PAL_H */ diff --git a/arch/alpha/include/uapi/asm/param.h b/arch/alpha/include/uapi/asm/param.h new file mode 100644 index 00000000000..dbcd9834af6 --- /dev/null +++ b/arch/alpha/include/uapi/asm/param.h @@ -0,0 +1,14 @@ +#ifndef _UAPI_ASM_ALPHA_PARAM_H +#define _UAPI_ASM_ALPHA_PARAM_H + +#define HZ 1024 + +#define EXEC_PAGESIZE 8192 + +#ifndef NOGROUP +#define NOGROUP (-1) +#endif + +#define MAXHOSTNAMELEN 64 /* max length of hostname */ + +#endif /* _UAPI_ASM_ALPHA_PARAM_H */ diff --git a/arch/alpha/include/asm/poll.h b/arch/alpha/include/uapi/asm/poll.h index c98509d3149..c98509d3149 100644 --- a/arch/alpha/include/asm/poll.h +++ b/arch/alpha/include/uapi/asm/poll.h diff --git a/arch/alpha/include/uapi/asm/posix_types.h b/arch/alpha/include/uapi/asm/posix_types.h new file mode 100644 index 00000000000..5a8a48320ef --- /dev/null +++ b/arch/alpha/include/uapi/asm/posix_types.h @@ -0,0 +1,17 @@ +#ifndef _ALPHA_POSIX_TYPES_H +#define _ALPHA_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned int __kernel_ino_t; +#define __kernel_ino_t __kernel_ino_t + +typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ + +#include <asm-generic/posix_types.h> + +#endif /* _ALPHA_POSIX_TYPES_H */ diff --git a/arch/alpha/include/uapi/asm/ptrace.h b/arch/alpha/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..5ce83fa9a05 --- /dev/null +++ b/arch/alpha/include/uapi/asm/ptrace.h @@ -0,0 +1,70 @@ +#ifndef _UAPI_ASMAXP_PTRACE_H +#define _UAPI_ASMAXP_PTRACE_H + + +/* + * This struct defines the way the registers are stored on the + * kernel stack during a system call or other kernel entry + * + * NOTE! I want to minimize the overhead of system calls, so this + * struct has as little information as possible. I does not have + * + * - floating point regs: the kernel doesn't change those + * - r9-15: saved by the C compiler + * + * This makes "fork()" and "exec()" a bit more complex, but should + * give us low system call latency. + */ + +struct pt_regs { + unsigned long r0; + unsigned long r1; + unsigned long r2; + unsigned long r3; + unsigned long r4; + unsigned long r5; + unsigned long r6; + unsigned long r7; + unsigned long r8; + unsigned long r19; + unsigned long r20; + unsigned long r21; + unsigned long r22; + unsigned long r23; + unsigned long r24; + unsigned long r25; + unsigned long r26; + unsigned long r27; + unsigned long r28; + unsigned long hae; +/* JRP - These are the values provided to a0-a2 by PALcode */ + unsigned long trap_a0; + unsigned long trap_a1; + unsigned long trap_a2; +/* These are saved by PAL-code: */ + unsigned long ps; + unsigned long pc; + unsigned long gp; + unsigned long r16; + unsigned long r17; + unsigned long r18; +}; + +/* + * This is the extended stack used by signal handlers and the context + * switcher: it's pushed after the normal "struct pt_regs". + */ +struct switch_stack { + unsigned long r9; + unsigned long r10; + unsigned long r11; + unsigned long r12; + unsigned long r13; + unsigned long r14; + unsigned long r15; + unsigned long r26; + unsigned long fp[32]; /* fp[31] is fpcr */ +}; + + +#endif /* _UAPI_ASMAXP_PTRACE_H */ diff --git a/arch/alpha/include/asm/reg.h b/arch/alpha/include/uapi/asm/reg.h index 86ff916fb06..86ff916fb06 100644 --- a/arch/alpha/include/asm/reg.h +++ b/arch/alpha/include/uapi/asm/reg.h diff --git a/arch/alpha/include/asm/regdef.h b/arch/alpha/include/uapi/asm/regdef.h index 142df9c4f8b..142df9c4f8b 100644 --- a/arch/alpha/include/asm/regdef.h +++ b/arch/alpha/include/uapi/asm/regdef.h diff --git a/arch/alpha/include/asm/resource.h b/arch/alpha/include/uapi/asm/resource.h index c10874ff597..c10874ff597 100644 --- a/arch/alpha/include/asm/resource.h +++ b/arch/alpha/include/uapi/asm/resource.h diff --git a/arch/alpha/include/asm/sembuf.h b/arch/alpha/include/uapi/asm/sembuf.h index 7b38b153478..7b38b153478 100644 --- a/arch/alpha/include/asm/sembuf.h +++ b/arch/alpha/include/uapi/asm/sembuf.h diff --git a/arch/alpha/include/uapi/asm/setup.h b/arch/alpha/include/uapi/asm/setup.h new file mode 100644 index 00000000000..b50014b3090 --- /dev/null +++ b/arch/alpha/include/uapi/asm/setup.h @@ -0,0 +1,42 @@ +#ifndef __ALPHA_SETUP_H +#define __ALPHA_SETUP_H + +#define COMMAND_LINE_SIZE 256 + +/* + * We leave one page for the initial stack page, and one page for + * the initial process structure. Also, the console eats 3 MB for + * the initial bootloader (one of which we can reclaim later). + */ +#define BOOT_PCB 0x20000000 +#define BOOT_ADDR 0x20000000 +/* Remove when official MILO sources have ELF support: */ +#define BOOT_SIZE (16*1024) + +#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS +#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ +#else +#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ +#endif + +#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) +#define SWAPPER_PGD KERNEL_START +#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) +#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) +#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) +#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) + +#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) + +/* + * This is setup by the secondary bootstrap loader. Because + * the zero page is zeroed out as soon as the vm system is + * initialized, we need to copy things out into a more permanent + * place. + */ +#define PARAM ZERO_PGE +#define COMMAND_LINE ((char*)(PARAM + 0x0000)) +#define INITRD_START (*(unsigned long *) (PARAM+0x100)) +#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) + +#endif diff --git a/arch/alpha/include/asm/shmbuf.h b/arch/alpha/include/uapi/asm/shmbuf.h index 37ee84f0508..37ee84f0508 100644 --- a/arch/alpha/include/asm/shmbuf.h +++ b/arch/alpha/include/uapi/asm/shmbuf.h diff --git a/arch/alpha/include/asm/sigcontext.h b/arch/alpha/include/uapi/asm/sigcontext.h index 323cdb02619..323cdb02619 100644 --- a/arch/alpha/include/asm/sigcontext.h +++ b/arch/alpha/include/uapi/asm/sigcontext.h diff --git a/arch/alpha/include/asm/siginfo.h b/arch/alpha/include/uapi/asm/siginfo.h index 9822362a842..9822362a842 100644 --- a/arch/alpha/include/asm/siginfo.h +++ b/arch/alpha/include/uapi/asm/siginfo.h diff --git a/arch/alpha/include/uapi/asm/signal.h b/arch/alpha/include/uapi/asm/signal.h new file mode 100644 index 00000000000..dd4ca4bcbb4 --- /dev/null +++ b/arch/alpha/include/uapi/asm/signal.h @@ -0,0 +1,129 @@ +#ifndef _UAPI_ASMAXP_SIGNAL_H +#define _UAPI_ASMAXP_SIGNAL_H + +#include <linux/types.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* __KERNEL__ */ + + +/* + * Linux/AXP has different signal numbers that Linux/i386: I'm trying + * to make it OSF/1 binary compatible, at least for normal binaries. + */ +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGEMT 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGBUS 10 +#define SIGSEGV 11 +#define SIGSYS 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGURG 16 +#define SIGSTOP 17 +#define SIGTSTP 18 +#define SIGCONT 19 +#define SIGCHLD 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGIO 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGINFO 29 +#define SIGUSR1 30 +#define SIGUSR2 31 + +#define SIGPOLL SIGIO +#define SIGPWR SIGINFO +#define SIGIOT SIGABRT + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX _NSIG + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ + +#define SA_ONSTACK 0x00000001 +#define SA_RESTART 0x00000002 +#define SA_NOCLDSTOP 0x00000004 +#define SA_NODEFER 0x00000008 +#define SA_RESETHAND 0x00000010 +#define SA_NOCLDWAIT 0x00000020 +#define SA_SIGINFO 0x00000040 + +#define SA_ONESHOT SA_RESETHAND +#define SA_NOMASK SA_NODEFER + +#define MINSIGSTKSZ 4096 +#define SIGSTKSZ 16384 + +#define SIG_BLOCK 1 /* for blocking signals */ +#define SIG_UNBLOCK 2 /* for unblocking signals */ +#define SIG_SETMASK 3 /* for setting the signal mask */ + +#include <asm-generic/signal-defs.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + int sa_flags; +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +/* sigstack(2) is deprecated, and will be withdrawn in a future version + of the X/Open CAE Specification. Use sigaltstack instead. It is only + implemented here for OSF/1 compatibility. */ + +struct sigstack { + void __user *ss_sp; + int ss_onstack; +}; + + +#endif /* _UAPI_ASMAXP_SIGNAL_H */ diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h new file mode 100644 index 00000000000..3de1394bcab --- /dev/null +++ b/arch/alpha/include/uapi/asm/socket.h @@ -0,0 +1,90 @@ +#ifndef _UAPI_ASM_SOCKET_H +#define _UAPI_ASM_SOCKET_H + +#include <asm/sockios.h> + +/* For setsockopt(2) */ +/* + * Note: we only bother about making the SOL_SOCKET options + * same as OSF/1, as that's all that "normal" programs are + * likely to set. We don't necessarily want to be binary + * compatible with _everything_. + */ +#define SOL_SOCKET 0xffff + +#define SO_DEBUG 0x0001 +#define SO_REUSEADDR 0x0004 +#define SO_KEEPALIVE 0x0008 +#define SO_DONTROUTE 0x0010 +#define SO_BROADCAST 0x0020 +#define SO_LINGER 0x0080 +#define SO_OOBINLINE 0x0100 +#define SO_REUSEPORT 0x0200 + +#define SO_TYPE 0x1008 +#define SO_ERROR 0x1007 +#define SO_SNDBUF 0x1001 +#define SO_RCVBUF 0x1002 +#define SO_SNDBUFFORCE 0x100a +#define SO_RCVBUFFORCE 0x100b +#define SO_RCVLOWAT 0x1010 +#define SO_SNDLOWAT 0x1011 +#define SO_RCVTIMEO 0x1012 +#define SO_SNDTIMEO 0x1013 +#define SO_ACCEPTCONN 0x1014 +#define SO_PROTOCOL 0x1028 +#define SO_DOMAIN 0x1029 + +/* linux-specific, might as well be the same as on i386 */ +#define SO_NO_CHECK 11 +#define SO_PRIORITY 12 +#define SO_BSDCOMPAT 14 + +#define SO_PASSCRED 17 +#define SO_PEERCRED 18 +#define SO_BINDTODEVICE 25 + +/* Socket filtering */ +#define SO_ATTACH_FILTER 26 +#define SO_DETACH_FILTER 27 +#define SO_GET_FILTER SO_ATTACH_FILTER + +#define SO_PEERNAME 28 +#define SO_TIMESTAMP 29 +#define SCM_TIMESTAMP SO_TIMESTAMP + +#define SO_PEERSEC 30 +#define SO_PASSSEC 34 +#define SO_TIMESTAMPNS 35 +#define SCM_TIMESTAMPNS SO_TIMESTAMPNS + +/* Security levels - as per NRL IPv6 - don't actually do anything */ +#define SO_SECURITY_AUTHENTICATION 19 +#define SO_SECURITY_ENCRYPTION_TRANSPORT 20 +#define SO_SECURITY_ENCRYPTION_NETWORK 21 + +#define SO_MARK 36 + +#define SO_TIMESTAMPING 37 +#define SCM_TIMESTAMPING SO_TIMESTAMPING + +#define SO_RXQ_OVFL 40 + +#define SO_WIFI_STATUS 41 +#define SCM_WIFI_STATUS SO_WIFI_STATUS +#define SO_PEEK_OFF 42 + +/* Instruct lower device to use last 4-bytes of skb data as FCS */ +#define SO_NOFCS 43 + +#define SO_LOCK_FILTER 44 + +#define SO_SELECT_ERR_QUEUE 45 + +#define SO_BUSY_POLL 46 + +#define SO_MAX_PACING_RATE 47 + +#define SO_BPF_EXTENSIONS 48 + +#endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/alpha/include/asm/sockios.h b/arch/alpha/include/uapi/asm/sockios.h index 7932c7ab4a4..7932c7ab4a4 100644 --- a/arch/alpha/include/asm/sockios.h +++ b/arch/alpha/include/uapi/asm/sockios.h diff --git a/arch/alpha/include/asm/stat.h b/arch/alpha/include/uapi/asm/stat.h index 07ad3e6b3f3..07ad3e6b3f3 100644 --- a/arch/alpha/include/asm/stat.h +++ b/arch/alpha/include/uapi/asm/stat.h diff --git a/arch/alpha/include/asm/statfs.h b/arch/alpha/include/uapi/asm/statfs.h index ccd2e186bfd..ccd2e186bfd 100644 --- a/arch/alpha/include/asm/statfs.h +++ b/arch/alpha/include/uapi/asm/statfs.h diff --git a/arch/alpha/include/asm/swab.h b/arch/alpha/include/uapi/asm/swab.h index 4d682b16c7c..4d682b16c7c 100644 --- a/arch/alpha/include/asm/swab.h +++ b/arch/alpha/include/uapi/asm/swab.h diff --git a/arch/alpha/include/asm/sysinfo.h b/arch/alpha/include/uapi/asm/sysinfo.h index e77d77cd07b..0b80e79d75e 100644 --- a/arch/alpha/include/asm/sysinfo.h +++ b/arch/alpha/include/uapi/asm/sysinfo.h @@ -15,6 +15,7 @@ #define GSI_GET_HWRPB 101 #define SSI_NVPAIRS 1 +#define SSI_LMF 7 #define SSI_IEEE_FP_CONTROL 14 #define SSI_IEEE_STATE_AT_SIGNAL 15 #define SSI_IEEE_IGNORE_STATE_AT_SIGNAL 16 diff --git a/arch/alpha/include/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h index 879dd358992..879dd358992 100644 --- a/arch/alpha/include/asm/termbits.h +++ b/arch/alpha/include/uapi/asm/termbits.h diff --git a/arch/alpha/include/uapi/asm/termios.h b/arch/alpha/include/uapi/asm/termios.h new file mode 100644 index 00000000000..580ed1e4854 --- /dev/null +++ b/arch/alpha/include/uapi/asm/termios.h @@ -0,0 +1,70 @@ +#ifndef _UAPI_ALPHA_TERMIOS_H +#define _UAPI_ALPHA_TERMIOS_H + +#include <asm/ioctls.h> +#include <asm/termbits.h> + +struct sgttyb { + char sg_ispeed; + char sg_ospeed; + char sg_erase; + char sg_kill; + short sg_flags; +}; + +struct tchars { + char t_intrc; + char t_quitc; + char t_startc; + char t_stopc; + char t_eofc; + char t_brkc; +}; + +struct ltchars { + char t_suspc; + char t_dsuspc; + char t_rprntc; + char t_flushc; + char t_werasc; + char t_lnextc; +}; + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + +/* + * c_cc characters in the termio structure. Oh, how I love being + * backwardly compatible. Notice that character 4 and 5 are + * interpreted differently depending on whether ICANON is set in + * c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise + * as _VMIN and V_TIME. This is for compatibility with OSF/1 (which + * is compatible with sysV)... + */ +#define _VINTR 0 +#define _VQUIT 1 +#define _VERASE 2 +#define _VKILL 3 +#define _VEOF 4 +#define _VMIN 4 +#define _VEOL 5 +#define _VTIME 5 +#define _VEOL2 6 +#define _VSWTC 7 + + +#endif /* _UAPI_ALPHA_TERMIOS_H */ diff --git a/arch/alpha/include/uapi/asm/types.h b/arch/alpha/include/uapi/asm/types.h new file mode 100644 index 00000000000..9fd3cd45977 --- /dev/null +++ b/arch/alpha/include/uapi/asm/types.h @@ -0,0 +1,16 @@ +#ifndef _UAPI_ALPHA_TYPES_H +#define _UAPI_ALPHA_TYPES_H + +/* + * This file is never included by application software unless + * explicitly requested (e.g., via linux/types.h) in which case the + * application is Linux specific so (user-) name space pollution is + * not a major issue. However, for interoperability, libraries still + * need to be careful to avoid a name clashes. + */ + +#ifndef __KERNEL__ +#include <asm-generic/int-l64.h> +#endif + +#endif /* _UAPI_ALPHA_TYPES_H */ diff --git a/arch/alpha/include/uapi/asm/unistd.h b/arch/alpha/include/uapi/asm/unistd.h new file mode 100644 index 00000000000..53ae7bb1bfd --- /dev/null +++ b/arch/alpha/include/uapi/asm/unistd.h @@ -0,0 +1,473 @@ +#ifndef _UAPI_ALPHA_UNISTD_H +#define _UAPI_ALPHA_UNISTD_H + +#define __NR_osf_syscall 0 /* not implemented */ +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_osf_old_open 5 /* not implemented */ +#define __NR_close 6 +#define __NR_osf_wait4 7 +#define __NR_osf_old_creat 8 /* not implemented */ +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_osf_execve 11 /* not implemented */ +#define __NR_chdir 12 +#define __NR_fchdir 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_chown 16 +#define __NR_brk 17 +#define __NR_osf_getfsstat 18 /* not implemented */ +#define __NR_lseek 19 +#define __NR_getxpid 20 +#define __NR_osf_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getxuid 24 +#define __NR_exec_with_loader 25 /* not implemented */ +#define __NR_ptrace 26 +#define __NR_osf_nrecvmsg 27 /* not implemented */ +#define __NR_osf_nsendmsg 28 /* not implemented */ +#define __NR_osf_nrecvfrom 29 /* not implemented */ +#define __NR_osf_naccept 30 /* not implemented */ +#define __NR_osf_ngetpeername 31 /* not implemented */ +#define __NR_osf_ngetsockname 32 /* not implemented */ +#define __NR_access 33 +#define __NR_osf_chflags 34 /* not implemented */ +#define __NR_osf_fchflags 35 /* not implemented */ +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_osf_old_stat 38 /* not implemented */ +#define __NR_setpgid 39 +#define __NR_osf_old_lstat 40 /* not implemented */ +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_osf_set_program_attributes 43 +#define __NR_osf_profil 44 /* not implemented */ +#define __NR_open 45 +#define __NR_osf_old_sigaction 46 /* not implemented */ +#define __NR_getxgid 47 +#define __NR_osf_sigprocmask 48 +#define __NR_osf_getlogin 49 /* not implemented */ +#define __NR_osf_setlogin 50 /* not implemented */ +#define __NR_acct 51 +#define __NR_sigpending 52 + +#define __NR_ioctl 54 +#define __NR_osf_reboot 55 /* not implemented */ +#define __NR_osf_revoke 56 /* not implemented */ +#define __NR_symlink 57 +#define __NR_readlink 58 +#define __NR_execve 59 +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_osf_old_fstat 62 /* not implemented */ +#define __NR_getpgrp 63 +#define __NR_getpagesize 64 +#define __NR_osf_mremap 65 /* not implemented */ +#define __NR_vfork 66 +#define __NR_stat 67 +#define __NR_lstat 68 +#define __NR_osf_sbrk 69 /* not implemented */ +#define __NR_osf_sstk 70 /* not implemented */ +#define __NR_mmap 71 /* OSF/1 mmap is superset of Linux */ +#define __NR_osf_old_vadvise 72 /* not implemented */ +#define __NR_munmap 73 +#define __NR_mprotect 74 +#define __NR_madvise 75 +#define __NR_vhangup 76 +#define __NR_osf_kmodcall 77 /* not implemented */ +#define __NR_osf_mincore 78 /* not implemented */ +#define __NR_getgroups 79 +#define __NR_setgroups 80 +#define __NR_osf_old_getpgrp 81 /* not implemented */ +#define __NR_setpgrp 82 /* BSD alias for setpgid */ +#define __NR_osf_setitimer 83 +#define __NR_osf_old_wait 84 /* not implemented */ +#define __NR_osf_table 85 /* not implemented */ +#define __NR_osf_getitimer 86 +#define __NR_gethostname 87 +#define __NR_sethostname 88 +#define __NR_getdtablesize 89 +#define __NR_dup2 90 +#define __NR_fstat 91 +#define __NR_fcntl 92 +#define __NR_osf_select 93 +#define __NR_poll 94 +#define __NR_fsync 95 +#define __NR_setpriority 96 +#define __NR_socket 97 +#define __NR_connect 98 +#define __NR_accept 99 +#define __NR_getpriority 100 +#define __NR_send 101 +#define __NR_recv 102 +#define __NR_sigreturn 103 +#define __NR_bind 104 +#define __NR_setsockopt 105 +#define __NR_listen 106 +#define __NR_osf_plock 107 /* not implemented */ +#define __NR_osf_old_sigvec 108 /* not implemented */ +#define __NR_osf_old_sigblock 109 /* not implemented */ +#define __NR_osf_old_sigsetmask 110 /* not implemented */ +#define __NR_sigsuspend 111 +#define __NR_osf_sigstack 112 +#define __NR_recvmsg 113 +#define __NR_sendmsg 114 +#define __NR_osf_old_vtrace 115 /* not implemented */ +#define __NR_osf_gettimeofday 116 +#define __NR_osf_getrusage 117 +#define __NR_getsockopt 118 + +#define __NR_readv 120 +#define __NR_writev 121 +#define __NR_osf_settimeofday 122 +#define __NR_fchown 123 +#define __NR_fchmod 124 +#define __NR_recvfrom 125 +#define __NR_setreuid 126 +#define __NR_setregid 127 +#define __NR_rename 128 +#define __NR_truncate 129 +#define __NR_ftruncate 130 +#define __NR_flock 131 +#define __NR_setgid 132 +#define __NR_sendto 133 +#define __NR_shutdown 134 +#define __NR_socketpair 135 +#define __NR_mkdir 136 +#define __NR_rmdir 137 +#define __NR_osf_utimes 138 +#define __NR_osf_old_sigreturn 139 /* not implemented */ +#define __NR_osf_adjtime 140 /* not implemented */ +#define __NR_getpeername 141 +#define __NR_osf_gethostid 142 /* not implemented */ +#define __NR_osf_sethostid 143 /* not implemented */ +#define __NR_getrlimit 144 +#define __NR_setrlimit 145 +#define __NR_osf_old_killpg 146 /* not implemented */ +#define __NR_setsid 147 +#define __NR_quotactl 148 +#define __NR_osf_oldquota 149 /* not implemented */ +#define __NR_getsockname 150 + +#define __NR_osf_pid_block 153 /* not implemented */ +#define __NR_osf_pid_unblock 154 /* not implemented */ + +#define __NR_sigaction 156 +#define __NR_osf_sigwaitprim 157 /* not implemented */ +#define __NR_osf_nfssvc 158 /* not implemented */ +#define __NR_osf_getdirentries 159 +#define __NR_osf_statfs 160 +#define __NR_osf_fstatfs 161 + +#define __NR_osf_asynch_daemon 163 /* not implemented */ +#define __NR_osf_getfh 164 /* not implemented */ +#define __NR_osf_getdomainname 165 +#define __NR_setdomainname 166 + +#define __NR_osf_exportfs 169 /* not implemented */ + +#define __NR_osf_alt_plock 181 /* not implemented */ + +#define __NR_osf_getmnt 184 /* not implemented */ + +#define __NR_osf_alt_sigpending 187 /* not implemented */ +#define __NR_osf_alt_setsid 188 /* not implemented */ + +#define __NR_osf_swapon 199 +#define __NR_msgctl 200 +#define __NR_msgget 201 +#define __NR_msgrcv 202 +#define __NR_msgsnd 203 +#define __NR_semctl 204 +#define __NR_semget 205 +#define __NR_semop 206 +#define __NR_osf_utsname 207 +#define __NR_lchown 208 +#define __NR_osf_shmat 209 +#define __NR_shmctl 210 +#define __NR_shmdt 211 +#define __NR_shmget 212 +#define __NR_osf_mvalid 213 /* not implemented */ +#define __NR_osf_getaddressconf 214 /* not implemented */ +#define __NR_osf_msleep 215 /* not implemented */ +#define __NR_osf_mwakeup 216 /* not implemented */ +#define __NR_msync 217 +#define __NR_osf_signal 218 /* not implemented */ +#define __NR_osf_utc_gettime 219 /* not implemented */ +#define __NR_osf_utc_adjtime 220 /* not implemented */ + +#define __NR_osf_security 222 /* not implemented */ +#define __NR_osf_kloadcall 223 /* not implemented */ + +#define __NR_osf_stat 224 +#define __NR_osf_lstat 225 +#define __NR_osf_fstat 226 +#define __NR_osf_statfs64 227 +#define __NR_osf_fstatfs64 228 + +#define __NR_getpgid 233 +#define __NR_getsid 234 +#define __NR_sigaltstack 235 +#define __NR_osf_waitid 236 /* not implemented */ +#define __NR_osf_priocntlset 237 /* not implemented */ +#define __NR_osf_sigsendset 238 /* not implemented */ +#define __NR_osf_set_speculative 239 /* not implemented */ +#define __NR_osf_msfs_syscall 240 /* not implemented */ +#define __NR_osf_sysinfo 241 +#define __NR_osf_uadmin 242 /* not implemented */ +#define __NR_osf_fuser 243 /* not implemented */ +#define __NR_osf_proplist_syscall 244 +#define __NR_osf_ntp_adjtime 245 /* not implemented */ +#define __NR_osf_ntp_gettime 246 /* not implemented */ +#define __NR_osf_pathconf 247 /* not implemented */ +#define __NR_osf_fpathconf 248 /* not implemented */ + +#define __NR_osf_uswitch 250 /* not implemented */ +#define __NR_osf_usleep_thread 251 +#define __NR_osf_audcntl 252 /* not implemented */ +#define __NR_osf_audgen 253 /* not implemented */ +#define __NR_sysfs 254 +#define __NR_osf_subsys_info 255 /* not implemented */ +#define __NR_osf_getsysinfo 256 +#define __NR_osf_setsysinfo 257 +#define __NR_osf_afs_syscall 258 /* not implemented */ +#define __NR_osf_swapctl 259 /* not implemented */ +#define __NR_osf_memcntl 260 /* not implemented */ +#define __NR_osf_fdatasync 261 /* not implemented */ + +/* + * Ignore legacy syscalls that we don't use. + */ +#define __IGNORE_alarm +#define __IGNORE_creat +#define __IGNORE_getegid +#define __IGNORE_geteuid +#define __IGNORE_getgid +#define __IGNORE_getpid +#define __IGNORE_getppid +#define __IGNORE_getuid +#define __IGNORE_pause +#define __IGNORE_time +#define __IGNORE_utime +#define __IGNORE_umount2 + +/* + * Linux-specific system calls begin at 300 + */ +#define __NR_bdflush 300 +#define __NR_sethae 301 +#define __NR_mount 302 +#define __NR_old_adjtimex 303 +#define __NR_swapoff 304 +#define __NR_getdents 305 +#define __NR_create_module 306 +#define __NR_init_module 307 +#define __NR_delete_module 308 +#define __NR_get_kernel_syms 309 +#define __NR_syslog 310 +#define __NR_reboot 311 +#define __NR_clone 312 +#define __NR_uselib 313 +#define __NR_mlock 314 +#define __NR_munlock 315 +#define __NR_mlockall 316 +#define __NR_munlockall 317 +#define __NR_sysinfo 318 +#define __NR__sysctl 319 +/* 320 was sys_idle. */ +#define __NR_oldumount 321 +#define __NR_swapon 322 +#define __NR_times 323 +#define __NR_personality 324 +#define __NR_setfsuid 325 +#define __NR_setfsgid 326 +#define __NR_ustat 327 +#define __NR_statfs 328 +#define __NR_fstatfs 329 +#define __NR_sched_setparam 330 +#define __NR_sched_getparam 331 +#define __NR_sched_setscheduler 332 +#define __NR_sched_getscheduler 333 +#define __NR_sched_yield 334 +#define __NR_sched_get_priority_max 335 +#define __NR_sched_get_priority_min 336 +#define __NR_sched_rr_get_interval 337 +#define __NR_afs_syscall 338 +#define __NR_uname 339 +#define __NR_nanosleep 340 +#define __NR_mremap 341 +#define __NR_nfsservctl 342 +#define __NR_setresuid 343 +#define __NR_getresuid 344 +#define __NR_pciconfig_read 345 +#define __NR_pciconfig_write 346 +#define __NR_query_module 347 +#define __NR_prctl 348 +#define __NR_pread64 349 +#define __NR_pwrite64 350 +#define __NR_rt_sigreturn 351 +#define __NR_rt_sigaction 352 +#define __NR_rt_sigprocmask 353 +#define __NR_rt_sigpending 354 +#define __NR_rt_sigtimedwait 355 +#define __NR_rt_sigqueueinfo 356 +#define __NR_rt_sigsuspend 357 +#define __NR_select 358 +#define __NR_gettimeofday 359 +#define __NR_settimeofday 360 +#define __NR_getitimer 361 +#define __NR_setitimer 362 +#define __NR_utimes 363 +#define __NR_getrusage 364 +#define __NR_wait4 365 +#define __NR_adjtimex 366 +#define __NR_getcwd 367 +#define __NR_capget 368 +#define __NR_capset 369 +#define __NR_sendfile 370 +#define __NR_setresgid 371 +#define __NR_getresgid 372 +#define __NR_dipc 373 +#define __NR_pivot_root 374 +#define __NR_mincore 375 +#define __NR_pciconfig_iobase 376 +#define __NR_getdents64 377 +#define __NR_gettid 378 +#define __NR_readahead 379 +/* 380 is unused */ +#define __NR_tkill 381 +#define __NR_setxattr 382 +#define __NR_lsetxattr 383 +#define __NR_fsetxattr 384 +#define __NR_getxattr 385 +#define __NR_lgetxattr 386 +#define __NR_fgetxattr 387 +#define __NR_listxattr 388 +#define __NR_llistxattr 389 +#define __NR_flistxattr 390 +#define __NR_removexattr 391 +#define __NR_lremovexattr 392 +#define __NR_fremovexattr 393 +#define __NR_futex 394 +#define __NR_sched_setaffinity 395 +#define __NR_sched_getaffinity 396 +#define __NR_tuxcall 397 +#define __NR_io_setup 398 +#define __NR_io_destroy 399 +#define __NR_io_getevents 400 +#define __NR_io_submit 401 +#define __NR_io_cancel 402 +#define __NR_exit_group 405 +#define __NR_lookup_dcookie 406 +#define __NR_epoll_create 407 +#define __NR_epoll_ctl 408 +#define __NR_epoll_wait 409 +/* Feb 2007: These three sys_epoll defines shouldn't be here but culling + * them would break userspace apps ... we'll kill them off in 2010 :) */ +#define __NR_sys_epoll_create __NR_epoll_create +#define __NR_sys_epoll_ctl __NR_epoll_ctl +#define __NR_sys_epoll_wait __NR_epoll_wait +#define __NR_remap_file_pages 410 +#define __NR_set_tid_address 411 +#define __NR_restart_syscall 412 +#define __NR_fadvise64 413 +#define __NR_timer_create 414 +#define __NR_timer_settime 415 +#define __NR_timer_gettime 416 +#define __NR_timer_getoverrun 417 +#define __NR_timer_delete 418 +#define __NR_clock_settime 419 +#define __NR_clock_gettime 420 +#define __NR_clock_getres 421 +#define __NR_clock_nanosleep 422 +#define __NR_semtimedop 423 +#define __NR_tgkill 424 +#define __NR_stat64 425 +#define __NR_lstat64 426 +#define __NR_fstat64 427 +#define __NR_vserver 428 +#define __NR_mbind 429 +#define __NR_get_mempolicy 430 +#define __NR_set_mempolicy 431 +#define __NR_mq_open 432 +#define __NR_mq_unlink 433 +#define __NR_mq_timedsend 434 +#define __NR_mq_timedreceive 435 +#define __NR_mq_notify 436 +#define __NR_mq_getsetattr 437 +#define __NR_waitid 438 +#define __NR_add_key 439 +#define __NR_request_key 440 +#define __NR_keyctl 441 +#define __NR_ioprio_set 442 +#define __NR_ioprio_get 443 +#define __NR_inotify_init 444 +#define __NR_inotify_add_watch 445 +#define __NR_inotify_rm_watch 446 +#define __NR_fdatasync 447 +#define __NR_kexec_load 448 +#define __NR_migrate_pages 449 +#define __NR_openat 450 +#define __NR_mkdirat 451 +#define __NR_mknodat 452 +#define __NR_fchownat 453 +#define __NR_futimesat 454 +#define __NR_fstatat64 455 +#define __NR_unlinkat 456 +#define __NR_renameat 457 +#define __NR_linkat 458 +#define __NR_symlinkat 459 +#define __NR_readlinkat 460 +#define __NR_fchmodat 461 +#define __NR_faccessat 462 +#define __NR_pselect6 463 +#define __NR_ppoll 464 +#define __NR_unshare 465 +#define __NR_set_robust_list 466 +#define __NR_get_robust_list 467 +#define __NR_splice 468 +#define __NR_sync_file_range 469 +#define __NR_tee 470 +#define __NR_vmsplice 471 +#define __NR_move_pages 472 +#define __NR_getcpu 473 +#define __NR_epoll_pwait 474 +#define __NR_utimensat 475 +#define __NR_signalfd 476 +#define __NR_timerfd 477 +#define __NR_eventfd 478 +#define __NR_recvmmsg 479 +#define __NR_fallocate 480 +#define __NR_timerfd_create 481 +#define __NR_timerfd_settime 482 +#define __NR_timerfd_gettime 483 +#define __NR_signalfd4 484 +#define __NR_eventfd2 485 +#define __NR_epoll_create1 486 +#define __NR_dup3 487 +#define __NR_pipe2 488 +#define __NR_inotify_init1 489 +#define __NR_preadv 490 +#define __NR_pwritev 491 +#define __NR_rt_tgsigqueueinfo 492 +#define __NR_perf_event_open 493 +#define __NR_fanotify_init 494 +#define __NR_fanotify_mark 495 +#define __NR_prlimit64 496 +#define __NR_name_to_handle_at 497 +#define __NR_open_by_handle_at 498 +#define __NR_clock_adjtime 499 +#define __NR_syncfs 500 +#define __NR_setns 501 +#define __NR_accept4 502 +#define __NR_sendmmsg 503 +#define __NR_process_vm_readv 504 +#define __NR_process_vm_writev 505 +#define __NR_kcmp 506 +#define __NR_finit_module 507 + +#endif /* _UAPI_ALPHA_UNISTD_H */ diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile index 7a6d908bb86..3ecac0106c8 100644 --- a/arch/alpha/kernel/Makefile +++ b/arch/alpha/kernel/Makefile @@ -6,7 +6,7 @@ extra-y := head.o vmlinux.lds asflags-y := $(KBUILD_CFLAGS) ccflags-y := -Wno-sign-compare -obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \ +obj-y := entry.o traps.o process.o osf_sys.o irq.o \ irq_alpha.o signal.o setup.o ptrace.o time.o \ alpha_ksyms.o systbls.o err_common.o io.o @@ -16,6 +16,8 @@ obj-$(CONFIG_PCI) += pci.o pci_iommu.o pci-sysfs.o obj-$(CONFIG_SRM_ENV) += srm_env.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o +obj-$(CONFIG_RTC_DRV_ALPHA) += rtc.o +obj-$(CONFIG_AUDIT) += audit.o ifdef CONFIG_ALPHA_GENERIC diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c index d96e742d4dc..f4c7ab6f43b 100644 --- a/arch/alpha/kernel/alpha_ksyms.c +++ b/arch/alpha/kernel/alpha_ksyms.c @@ -40,6 +40,7 @@ EXPORT_SYMBOL(strrchr); EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(__memcpy); EXPORT_SYMBOL(__memset); +EXPORT_SYMBOL(___memset); EXPORT_SYMBOL(__memsetw); EXPORT_SYMBOL(__constant_c_memset); EXPORT_SYMBOL(copy_page); @@ -50,10 +51,6 @@ EXPORT_SYMBOL(alpha_read_fp_reg_s); EXPORT_SYMBOL(alpha_write_fp_reg); EXPORT_SYMBOL(alpha_write_fp_reg_s); -/* entry.S */ -EXPORT_SYMBOL(kernel_thread); -EXPORT_SYMBOL(kernel_execve); - /* Networking helper routines. */ EXPORT_SYMBOL(csum_tcpudp_magic); EXPORT_SYMBOL(ip_compute_csum); @@ -74,8 +71,6 @@ EXPORT_SYMBOL(alpha_fp_emul); */ EXPORT_SYMBOL(__copy_user); EXPORT_SYMBOL(__do_clear_user); -EXPORT_SYMBOL(__strncpy_from_user); -EXPORT_SYMBOL(__strnlen_user); /* * SMP-specific symbols. diff --git a/arch/alpha/kernel/audit.c b/arch/alpha/kernel/audit.c new file mode 100644 index 00000000000..96a9d18ff4c --- /dev/null +++ b/arch/alpha/kernel/audit.c @@ -0,0 +1,60 @@ +#include <linux/init.h> +#include <linux/types.h> +#include <linux/audit.h> +#include <asm/unistd.h> + +static unsigned dir_class[] = { +#include <asm-generic/audit_dir_write.h> +~0U +}; + +static unsigned read_class[] = { +#include <asm-generic/audit_read.h> +~0U +}; + +static unsigned write_class[] = { +#include <asm-generic/audit_write.h> +~0U +}; + +static unsigned chattr_class[] = { +#include <asm-generic/audit_change_attr.h> +~0U +}; + +static unsigned signal_class[] = { +#include <asm-generic/audit_signal.h> +~0U +}; + +int audit_classify_arch(int arch) +{ + return 0; +} + +int audit_classify_syscall(int abi, unsigned syscall) +{ + switch(syscall) { + case __NR_open: + return 2; + case __NR_openat: + return 3; + case __NR_execve: + return 5; + default: + return 0; + } +} + +static int __init audit_classes_init(void) +{ + audit_register_class(AUDIT_CLASS_WRITE, write_class); + audit_register_class(AUDIT_CLASS_READ, read_class); + audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); + audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); + audit_register_class(AUDIT_CLASS_SIGNAL, signal_class); + return 0; +} + +__initcall(audit_classes_init); diff --git a/arch/alpha/kernel/binfmt_loader.c b/arch/alpha/kernel/binfmt_loader.c index 3fcfad41013..9525660c93c 100644 --- a/arch/alpha/kernel/binfmt_loader.c +++ b/arch/alpha/kernel/binfmt_loader.c @@ -5,7 +5,7 @@ #include <linux/binfmts.h> #include <linux/a.out.h> -static int load_binary(struct linux_binprm *bprm, struct pt_regs *regs) +static int load_binary(struct linux_binprm *bprm) { struct exec *eh = (struct exec *)bprm->buf; unsigned long loader; @@ -37,7 +37,7 @@ static int load_binary(struct linux_binprm *bprm, struct pt_regs *regs) retval = prepare_binprm(bprm); if (retval < 0) return retval; - return search_binary_handler(bprm,regs); + return search_binary_handler(bprm); } static struct linux_binfmt loader_format = { @@ -46,6 +46,7 @@ static struct linux_binfmt loader_format = { static int __init init_loader_binfmt(void) { - return insert_binfmt(&loader_format); + insert_binfmt(&loader_format); + return 0; } arch_initcall(init_loader_binfmt); diff --git a/arch/alpha/kernel/console.c b/arch/alpha/kernel/console.c index da711e37fc9..6a61deed4a8 100644 --- a/arch/alpha/kernel/console.c +++ b/arch/alpha/kernel/console.c @@ -61,7 +61,9 @@ locate_and_init_vga(void *(*sel_func)(void *, void *)) /* Set the VGA hose and init the new console. */ pci_vga_hose = hose; - take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1); + console_lock(); + do_take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1); + console_unlock(); } void __init diff --git a/arch/alpha/kernel/core_apecs.c b/arch/alpha/kernel/core_apecs.c index ca46b2c2445..708c831efa7 100644 --- a/arch/alpha/kernel/core_apecs.c +++ b/arch/alpha/kernel/core_apecs.c @@ -21,6 +21,7 @@ #include <asm/ptrace.h> #include <asm/smp.h> +#include <asm/mce.h> #include "proto.h" #include "pci_impl.h" diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c index 1d6ee6c985f..c44339e176c 100644 --- a/arch/alpha/kernel/core_cia.c +++ b/arch/alpha/kernel/core_cia.c @@ -23,6 +23,7 @@ #include <linux/bootmem.h> #include <asm/ptrace.h> +#include <asm/mce.h> #include "proto.h" #include "pci_impl.h" diff --git a/arch/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c index 2f770e99428..3ada4f7b085 100644 --- a/arch/alpha/kernel/core_t2.c +++ b/arch/alpha/kernel/core_t2.c @@ -21,6 +21,7 @@ #include <asm/ptrace.h> #include <asm/delay.h> +#include <asm/mce.h> #include "proto.h" #include "pci_impl.h" diff --git a/arch/alpha/kernel/core_tsunami.c b/arch/alpha/kernel/core_tsunami.c index 5e7c28f92f1..61893d7bdda 100644 --- a/arch/alpha/kernel/core_tsunami.c +++ b/arch/alpha/kernel/core_tsunami.c @@ -11,6 +11,7 @@ #include <asm/core_tsunami.h> #undef __EXTERN_INLINE +#include <linux/module.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/sched.h> diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index 6d159cee5f2..98703d99b56 100644 --- a/arch/alpha/kernel/entry.S +++ b/arch/alpha/kernel/entry.S @@ -12,11 +12,32 @@ .text .set noat + .cfi_sections .debug_frame /* Stack offsets. */ #define SP_OFF 184 #define SWITCH_STACK_SIZE 320 +.macro CFI_START_OSF_FRAME func + .align 4 + .globl \func + .type \func,@function +\func: + .cfi_startproc simple + .cfi_return_column 64 + .cfi_def_cfa $sp, 48 + .cfi_rel_offset 64, 8 + .cfi_rel_offset $gp, 16 + .cfi_rel_offset $16, 24 + .cfi_rel_offset $17, 32 + .cfi_rel_offset $18, 40 +.endm + +.macro CFI_END_OSF_FRAME func + .cfi_endproc + .size \func, . - \func +.endm + /* * This defines the normal kernel pt-regs layout. * @@ -27,100 +48,158 @@ * the palcode-provided values are available to the signal handler. */ -#define SAVE_ALL \ - subq $sp, SP_OFF, $sp; \ - stq $0, 0($sp); \ - stq $1, 8($sp); \ - stq $2, 16($sp); \ - stq $3, 24($sp); \ - stq $4, 32($sp); \ - stq $28, 144($sp); \ - lda $2, alpha_mv; \ - stq $5, 40($sp); \ - stq $6, 48($sp); \ - stq $7, 56($sp); \ - stq $8, 64($sp); \ - stq $19, 72($sp); \ - stq $20, 80($sp); \ - stq $21, 88($sp); \ - ldq $2, HAE_CACHE($2); \ - stq $22, 96($sp); \ - stq $23, 104($sp); \ - stq $24, 112($sp); \ - stq $25, 120($sp); \ - stq $26, 128($sp); \ - stq $27, 136($sp); \ - stq $2, 152($sp); \ - stq $16, 160($sp); \ - stq $17, 168($sp); \ +.macro SAVE_ALL + subq $sp, SP_OFF, $sp + .cfi_adjust_cfa_offset SP_OFF + stq $0, 0($sp) + stq $1, 8($sp) + stq $2, 16($sp) + stq $3, 24($sp) + stq $4, 32($sp) + stq $28, 144($sp) + .cfi_rel_offset $0, 0 + .cfi_rel_offset $1, 8 + .cfi_rel_offset $2, 16 + .cfi_rel_offset $3, 24 + .cfi_rel_offset $4, 32 + .cfi_rel_offset $28, 144 + lda $2, alpha_mv + stq $5, 40($sp) + stq $6, 48($sp) + stq $7, 56($sp) + stq $8, 64($sp) + stq $19, 72($sp) + stq $20, 80($sp) + stq $21, 88($sp) + ldq $2, HAE_CACHE($2) + stq $22, 96($sp) + stq $23, 104($sp) + stq $24, 112($sp) + stq $25, 120($sp) + stq $26, 128($sp) + stq $27, 136($sp) + stq $2, 152($sp) + stq $16, 160($sp) + stq $17, 168($sp) stq $18, 176($sp) - -#define RESTORE_ALL \ - lda $19, alpha_mv; \ - ldq $0, 0($sp); \ - ldq $1, 8($sp); \ - ldq $2, 16($sp); \ - ldq $3, 24($sp); \ - ldq $21, 152($sp); \ - ldq $20, HAE_CACHE($19); \ - ldq $4, 32($sp); \ - ldq $5, 40($sp); \ - ldq $6, 48($sp); \ - ldq $7, 56($sp); \ - subq $20, $21, $20; \ - ldq $8, 64($sp); \ - beq $20, 99f; \ - ldq $20, HAE_REG($19); \ - stq $21, HAE_CACHE($19); \ - stq $21, 0($20); \ -99:; \ - ldq $19, 72($sp); \ - ldq $20, 80($sp); \ - ldq $21, 88($sp); \ - ldq $22, 96($sp); \ - ldq $23, 104($sp); \ - ldq $24, 112($sp); \ - ldq $25, 120($sp); \ - ldq $26, 128($sp); \ - ldq $27, 136($sp); \ - ldq $28, 144($sp); \ + .cfi_rel_offset $5, 40 + .cfi_rel_offset $6, 48 + .cfi_rel_offset $7, 56 + .cfi_rel_offset $8, 64 + .cfi_rel_offset $19, 72 + .cfi_rel_offset $20, 80 + .cfi_rel_offset $21, 88 + .cfi_rel_offset $22, 96 + .cfi_rel_offset $23, 104 + .cfi_rel_offset $24, 112 + .cfi_rel_offset $25, 120 + .cfi_rel_offset $26, 128 + .cfi_rel_offset $27, 136 +.endm + +.macro RESTORE_ALL + lda $19, alpha_mv + ldq $0, 0($sp) + ldq $1, 8($sp) + ldq $2, 16($sp) + ldq $3, 24($sp) + ldq $21, 152($sp) + ldq $20, HAE_CACHE($19) + ldq $4, 32($sp) + ldq $5, 40($sp) + ldq $6, 48($sp) + ldq $7, 56($sp) + subq $20, $21, $20 + ldq $8, 64($sp) + beq $20, 99f + ldq $20, HAE_REG($19) + stq $21, HAE_CACHE($19) + stq $21, 0($20) +99: ldq $19, 72($sp) + ldq $20, 80($sp) + ldq $21, 88($sp) + ldq $22, 96($sp) + ldq $23, 104($sp) + ldq $24, 112($sp) + ldq $25, 120($sp) + ldq $26, 128($sp) + ldq $27, 136($sp) + ldq $28, 144($sp) addq $sp, SP_OFF, $sp + .cfi_restore $0 + .cfi_restore $1 + .cfi_restore $2 + .cfi_restore $3 + .cfi_restore $4 + .cfi_restore $5 + .cfi_restore $6 + .cfi_restore $7 + .cfi_restore $8 + .cfi_restore $19 + .cfi_restore $20 + .cfi_restore $21 + .cfi_restore $22 + .cfi_restore $23 + .cfi_restore $24 + .cfi_restore $25 + .cfi_restore $26 + .cfi_restore $27 + .cfi_restore $28 + .cfi_adjust_cfa_offset -SP_OFF +.endm + +.macro DO_SWITCH_STACK + bsr $1, do_switch_stack + .cfi_adjust_cfa_offset SWITCH_STACK_SIZE + .cfi_rel_offset $9, 0 + .cfi_rel_offset $10, 8 + .cfi_rel_offset $11, 16 + .cfi_rel_offset $12, 24 + .cfi_rel_offset $13, 32 + .cfi_rel_offset $14, 40 + .cfi_rel_offset $15, 48 + /* We don't really care about the FP registers for debugging. */ +.endm + +.macro UNDO_SWITCH_STACK + bsr $1, undo_switch_stack + .cfi_restore $9 + .cfi_restore $10 + .cfi_restore $11 + .cfi_restore $12 + .cfi_restore $13 + .cfi_restore $14 + .cfi_restore $15 + .cfi_adjust_cfa_offset -SWITCH_STACK_SIZE +.endm /* * Non-syscall kernel entry points. */ - .align 4 - .globl entInt - .ent entInt -entInt: +CFI_START_OSF_FRAME entInt SAVE_ALL lda $8, 0x3fff lda $26, ret_from_sys_call bic $sp, $8, $8 mov $sp, $19 jsr $31, do_entInt -.end entInt +CFI_END_OSF_FRAME entInt - .align 4 - .globl entArith - .ent entArith -entArith: +CFI_START_OSF_FRAME entArith SAVE_ALL lda $8, 0x3fff lda $26, ret_from_sys_call bic $sp, $8, $8 mov $sp, $18 jsr $31, do_entArith -.end entArith +CFI_END_OSF_FRAME entArith - .align 4 - .globl entMM - .ent entMM -entMM: +CFI_START_OSF_FRAME entMM SAVE_ALL /* save $9 - $15 so the inline exception code can manipulate them. */ subq $sp, 56, $sp + .cfi_adjust_cfa_offset 56 stq $9, 0($sp) stq $10, 8($sp) stq $11, 16($sp) @@ -128,6 +207,13 @@ entMM: stq $13, 32($sp) stq $14, 40($sp) stq $15, 48($sp) + .cfi_rel_offset $9, 0 + .cfi_rel_offset $10, 8 + .cfi_rel_offset $11, 16 + .cfi_rel_offset $12, 24 + .cfi_rel_offset $13, 32 + .cfi_rel_offset $14, 40 + .cfi_rel_offset $15, 48 addq $sp, 56, $19 /* handle the fault */ lda $8, 0x3fff @@ -142,28 +228,33 @@ entMM: ldq $14, 40($sp) ldq $15, 48($sp) addq $sp, 56, $sp + .cfi_restore $9 + .cfi_restore $10 + .cfi_restore $11 + .cfi_restore $12 + .cfi_restore $13 + .cfi_restore $14 + .cfi_restore $15 + .cfi_adjust_cfa_offset -56 /* finish up the syscall as normal. */ br ret_from_sys_call -.end entMM +CFI_END_OSF_FRAME entMM - .align 4 - .globl entIF - .ent entIF -entIF: +CFI_START_OSF_FRAME entIF SAVE_ALL lda $8, 0x3fff lda $26, ret_from_sys_call bic $sp, $8, $8 mov $sp, $17 jsr $31, do_entIF -.end entIF +CFI_END_OSF_FRAME entIF - .align 4 - .globl entUna - .ent entUna -entUna: +CFI_START_OSF_FRAME entUna lda $sp, -256($sp) + .cfi_adjust_cfa_offset 256 stq $0, 0($sp) + .cfi_rel_offset $0, 0 + .cfi_remember_state ldq $0, 256($sp) /* get PS */ stq $1, 8($sp) stq $2, 16($sp) @@ -195,6 +286,32 @@ entUna: stq $28, 224($sp) mov $sp, $19 stq $gp, 232($sp) + .cfi_rel_offset $1, 1*8 + .cfi_rel_offset $2, 2*8 + .cfi_rel_offset $3, 3*8 + .cfi_rel_offset $4, 4*8 + .cfi_rel_offset $5, 5*8 + .cfi_rel_offset $6, 6*8 + .cfi_rel_offset $7, 7*8 + .cfi_rel_offset $8, 8*8 + .cfi_rel_offset $9, 9*8 + .cfi_rel_offset $10, 10*8 + .cfi_rel_offset $11, 11*8 + .cfi_rel_offset $12, 12*8 + .cfi_rel_offset $13, 13*8 + .cfi_rel_offset $14, 14*8 + .cfi_rel_offset $15, 15*8 + .cfi_rel_offset $19, 19*8 + .cfi_rel_offset $20, 20*8 + .cfi_rel_offset $21, 21*8 + .cfi_rel_offset $22, 22*8 + .cfi_rel_offset $23, 23*8 + .cfi_rel_offset $24, 24*8 + .cfi_rel_offset $25, 25*8 + .cfi_rel_offset $26, 26*8 + .cfi_rel_offset $27, 27*8 + .cfi_rel_offset $28, 28*8 + .cfi_rel_offset $29, 29*8 lda $8, 0x3fff stq $31, 248($sp) bic $sp, $8, $8 @@ -228,16 +345,45 @@ entUna: ldq $28, 224($sp) ldq $gp, 232($sp) lda $sp, 256($sp) + .cfi_restore $1 + .cfi_restore $2 + .cfi_restore $3 + .cfi_restore $4 + .cfi_restore $5 + .cfi_restore $6 + .cfi_restore $7 + .cfi_restore $8 + .cfi_restore $9 + .cfi_restore $10 + .cfi_restore $11 + .cfi_restore $12 + .cfi_restore $13 + .cfi_restore $14 + .cfi_restore $15 + .cfi_restore $19 + .cfi_restore $20 + .cfi_restore $21 + .cfi_restore $22 + .cfi_restore $23 + .cfi_restore $24 + .cfi_restore $25 + .cfi_restore $26 + .cfi_restore $27 + .cfi_restore $28 + .cfi_restore $29 + .cfi_adjust_cfa_offset -256 call_pal PAL_rti -.end entUna .align 4 - .ent entUnaUser entUnaUser: + .cfi_restore_state ldq $0, 0($sp) /* restore original $0 */ lda $sp, 256($sp) /* pop entUna's stack frame */ + .cfi_restore $0 + .cfi_adjust_cfa_offset -256 SAVE_ALL /* setup normal kernel stack */ lda $sp, -56($sp) + .cfi_adjust_cfa_offset 56 stq $9, 0($sp) stq $10, 8($sp) stq $11, 16($sp) @@ -245,6 +391,13 @@ entUnaUser: stq $13, 32($sp) stq $14, 40($sp) stq $15, 48($sp) + .cfi_rel_offset $9, 0 + .cfi_rel_offset $10, 8 + .cfi_rel_offset $11, 16 + .cfi_rel_offset $12, 24 + .cfi_rel_offset $13, 32 + .cfi_rel_offset $14, 40 + .cfi_rel_offset $15, 48 lda $8, 0x3fff addq $sp, 56, $19 bic $sp, $8, $8 @@ -257,20 +410,25 @@ entUnaUser: ldq $14, 40($sp) ldq $15, 48($sp) lda $sp, 56($sp) + .cfi_restore $9 + .cfi_restore $10 + .cfi_restore $11 + .cfi_restore $12 + .cfi_restore $13 + .cfi_restore $14 + .cfi_restore $15 + .cfi_adjust_cfa_offset -56 br ret_from_sys_call -.end entUnaUser +CFI_END_OSF_FRAME entUna - .align 4 - .globl entDbg - .ent entDbg -entDbg: +CFI_START_OSF_FRAME entDbg SAVE_ALL lda $8, 0x3fff lda $26, ret_from_sys_call bic $sp, $8, $8 mov $sp, $16 jsr $31, do_entDbg -.end entDbg +CFI_END_OSF_FRAME entDbg /* * The system call entry point is special. Most importantly, it looks @@ -285,8 +443,12 @@ entDbg: .align 4 .globl entSys - .globl ret_from_sys_call - .ent entSys + .type entSys, @function + .cfi_startproc simple + .cfi_return_column 64 + .cfi_def_cfa $sp, 48 + .cfi_rel_offset 64, 8 + .cfi_rel_offset $gp, 16 entSys: SAVE_ALL lda $8, 0x3fff @@ -300,7 +462,14 @@ entSys: stq $17, SP_OFF+32($sp) s8addq $0, $5, $5 stq $18, SP_OFF+40($sp) - blbs $3, strace + .cfi_rel_offset $16, SP_OFF+24 + .cfi_rel_offset $17, SP_OFF+32 + .cfi_rel_offset $18, SP_OFF+40 +#ifdef CONFIG_AUDITSYSCALL + lda $6, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT + and $3, $6, $3 +#endif + bne $3, strace beq $4, 1f ldq $27, 0($5) 1: jsr $26, ($27), alpha_ni_syscall @@ -310,8 +479,9 @@ entSys: stq $31, 72($sp) /* a3=0 => no error */ .align 4 + .globl ret_from_sys_call ret_from_sys_call: - cmovne $26, 0, $19 /* $19 = 0 => non-restartable */ + cmovne $26, 0, $18 /* $18 = 0 => non-restartable */ ldq $0, SP_OFF($sp) and $0, 8, $0 beq $0, ret_to_kernel @@ -320,14 +490,16 @@ ret_to_user: sampling and the rti. */ lda $16, 7 call_pal PAL_swpipl - ldl $5, TI_FLAGS($8) - and $5, _TIF_WORK_MASK, $2 + ldl $17, TI_FLAGS($8) + and $17, _TIF_WORK_MASK, $2 bne $2, work_pending restore_all: + .cfi_remember_state RESTORE_ALL call_pal PAL_rti ret_to_kernel: + .cfi_restore_state lda $16, 7 call_pal PAL_swpipl br restore_all @@ -341,10 +513,10 @@ $syscall_error: * frame to indicate that a negative return value wasn't an * error number.. */ - ldq $19, 0($sp) /* old syscall nr (zero if success) */ - beq $19, $ret_success + ldq $18, 0($sp) /* old syscall nr (zero if success) */ + beq $18, $ret_success - ldq $20, 72($sp) /* .. and this a3 */ + ldq $19, 72($sp) /* .. and this a3 */ subq $31, $0, $0 /* with error in v0 */ addq $31, 1, $1 /* set a3 for errno return */ stq $0, 0($sp) @@ -356,73 +528,54 @@ $ret_success: stq $0, 0($sp) stq $31, 72($sp) /* a3=0 => no error */ br ret_from_sys_call -.end entSys /* * Do all cleanup when returning from all interrupts and system calls. * * Arguments: - * $5: TI_FLAGS. * $8: current. - * $19: The old syscall number, or zero if this is not a return + * $17: TI_FLAGS. + * $18: The old syscall number, or zero if this is not a return * from a syscall that errored and is possibly restartable. - * $20: The old a3 value + * $19: The old a3 value */ .align 4 - .ent work_pending + .type work_pending, @function work_pending: - and $5, _TIF_NEED_RESCHED, $2 - beq $2, $work_notifysig + and $17, _TIF_NOTIFY_RESUME | _TIF_SIGPENDING, $2 + bne $2, $work_notifysig $work_resched: - subq $sp, 16, $sp - stq $19, 0($sp) /* save syscall nr */ - stq $20, 8($sp) /* and error indication (a3) */ + /* + * We can get here only if we returned from syscall without SIGPENDING + * or got through work_notifysig already. Either case means no syscall + * restarts for us, so let $18 and $19 burn. + */ jsr $26, schedule - ldq $19, 0($sp) - ldq $20, 8($sp) - addq $sp, 16, $sp - /* Make sure need_resched and sigpending don't change between - sampling and the rti. */ - lda $16, 7 - call_pal PAL_swpipl - ldl $5, TI_FLAGS($8) - and $5, _TIF_WORK_MASK, $2 - beq $2, restore_all - and $5, _TIF_NEED_RESCHED, $2 - bne $2, $work_resched + mov 0, $18 + br ret_to_user $work_notifysig: mov $sp, $16 - bsr $1, do_switch_stack - mov $sp, $17 - mov $5, $18 - mov $19, $9 /* save old syscall number */ - mov $20, $10 /* save old a3 */ - and $5, _TIF_SIGPENDING, $2 - cmovne $2, 0, $9 /* we don't want double syscall restarts */ - jsr $26, do_notify_resume - mov $9, $19 - mov $10, $20 - bsr $1, undo_switch_stack - br ret_to_user -.end work_pending + DO_SWITCH_STACK + jsr $26, do_work_pending + UNDO_SWITCH_STACK + br restore_all /* * PTRACE syscall handler */ .align 4 - .ent strace + .type strace, @function strace: /* set up signal stack, call syscall_trace */ - bsr $1, do_switch_stack - jsr $26, syscall_trace - bsr $1, undo_switch_stack + DO_SWITCH_STACK + jsr $26, syscall_trace_enter /* returns the syscall number */ + UNDO_SWITCH_STACK - /* get the system call number and the arguments back.. */ - ldq $0, 0($sp) + /* get the arguments back.. */ ldq $16, SP_OFF+24($sp) ldq $17, SP_OFF+32($sp) ldq $18, SP_OFF+40($sp) @@ -448,42 +601,47 @@ ret_from_straced: $strace_success: stq $0, 0($sp) /* save return value */ - bsr $1, do_switch_stack - jsr $26, syscall_trace - bsr $1, undo_switch_stack + DO_SWITCH_STACK + jsr $26, syscall_trace_leave + UNDO_SWITCH_STACK br $31, ret_from_sys_call .align 3 $strace_error: - ldq $19, 0($sp) /* old syscall nr (zero if success) */ - beq $19, $strace_success - ldq $20, 72($sp) /* .. and this a3 */ + ldq $18, 0($sp) /* old syscall nr (zero if success) */ + beq $18, $strace_success + ldq $19, 72($sp) /* .. and this a3 */ subq $31, $0, $0 /* with error in v0 */ addq $31, 1, $1 /* set a3 for errno return */ stq $0, 0($sp) stq $1, 72($sp) /* a3 for return */ - bsr $1, do_switch_stack - mov $19, $9 /* save old syscall number */ - mov $20, $10 /* save old a3 */ - jsr $26, syscall_trace - mov $9, $19 - mov $10, $20 - bsr $1, undo_switch_stack + DO_SWITCH_STACK + mov $18, $9 /* save old syscall number */ + mov $19, $10 /* save old a3 */ + jsr $26, syscall_trace_leave + mov $9, $18 + mov $10, $19 + UNDO_SWITCH_STACK mov $31, $26 /* tell "ret_from_sys_call" we can restart */ br ret_from_sys_call -.end strace +CFI_END_OSF_FRAME entSys /* * Save and restore the switch stack -- aka the balance of the user context. */ .align 4 - .ent do_switch_stack + .type do_switch_stack, @function + .cfi_startproc simple + .cfi_return_column 64 + .cfi_def_cfa $sp, 0 + .cfi_register 64, $1 do_switch_stack: lda $sp, -SWITCH_STACK_SIZE($sp) + .cfi_adjust_cfa_offset SWITCH_STACK_SIZE stq $9, 0($sp) stq $10, 8($sp) stq $11, 16($sp) @@ -527,10 +685,14 @@ do_switch_stack: stt $f0, 312($sp) # save fpcr in slot of $f31 ldt $f0, 64($sp) # dont let "do_switch_stack" change fp state. ret $31, ($1), 1 -.end do_switch_stack + .cfi_endproc + .size do_switch_stack, .-do_switch_stack .align 4 - .ent undo_switch_stack + .type undo_switch_stack, @function + .cfi_startproc simple + .cfi_def_cfa $sp, 0 + .cfi_register 64, $1 undo_switch_stack: ldq $9, 0($sp) ldq $10, 8($sp) @@ -575,7 +737,8 @@ undo_switch_stack: ldt $f30, 304($sp) lda $sp, SWITCH_STACK_SIZE($sp) ret $31, ($1), 1 -.end undo_switch_stack + .cfi_endproc + .size undo_switch_stack, .-undo_switch_stack /* * The meat of the context switch code. @@ -583,17 +746,18 @@ undo_switch_stack: .align 4 .globl alpha_switch_to - .ent alpha_switch_to + .type alpha_switch_to, @function + .cfi_startproc alpha_switch_to: - .prologue 0 - bsr $1, do_switch_stack + DO_SWITCH_STACK call_pal PAL_swpctx lda $8, 0x3fff - bsr $1, undo_switch_stack + UNDO_SWITCH_STACK bic $sp, $8, $8 mov $17, $0 ret -.end alpha_switch_to + .cfi_endproc + .size alpha_switch_to, .-alpha_switch_to /* * New processes begin life here. @@ -609,158 +773,44 @@ ret_from_fork: .end ret_from_fork /* - * kernel_thread(fn, arg, clone_flags) + * ... and new kernel threads - here */ .align 4 - .globl kernel_thread - .ent kernel_thread -kernel_thread: - /* We can be called from a module. */ - ldgp $gp, 0($27) - .prologue 1 - subq $sp, SP_OFF+6*8, $sp - br $1, 2f /* load start address */ - - /* We've now "returned" from a fake system call. */ - unop - blt $0, 1f /* error? */ - ldi $1, 0x3fff - beq $20, 1f /* parent or child? */ - - bic $sp, $1, $8 /* in child. */ - jsr $26, ($27) - ldgp $gp, 0($26) - mov $0, $16 - mov $31, $26 - jmp $31, sys_exit - -1: ret /* in parent. */ - - .align 4 -2: /* Fake a system call stack frame, as we can't do system calls - from kernel space. Note that we store FN and ARG as they - need to be set up in the child for the call. Also store $8 - and $26 for use in the parent. */ - stq $31, SP_OFF($sp) /* ps */ - stq $1, SP_OFF+8($sp) /* pc */ - stq $gp, SP_OFF+16($sp) /* gp */ - stq $16, 136($sp) /* $27; FN for child */ - stq $17, SP_OFF+24($sp) /* $16; ARG for child */ - stq $8, 64($sp) /* $8 */ - stq $26, 128($sp) /* $26 */ - /* Avoid the HAE being gratuitously wrong, to avoid restoring it. */ - ldq $2, alpha_mv+HAE_CACHE - stq $2, 152($sp) /* HAE */ - - /* Shuffle FLAGS to the front; add CLONE_VM. */ - ldi $1, CLONE_VM|CLONE_UNTRACED - or $18, $1, $16 - bsr $26, sys_clone - - /* We don't actually care for a3 success widgetry in the kernel. - Not for positive errno values. */ - stq $0, 0($sp) /* $0 */ - br ret_to_kernel -.end kernel_thread - -/* - * kernel_execve(path, argv, envp) - */ - .align 4 - .globl kernel_execve - .ent kernel_execve -kernel_execve: - /* We can be called from a module. */ - ldgp $gp, 0($27) - lda $sp, -(32+SIZEOF_PT_REGS+8)($sp) - .frame $sp, 32+SIZEOF_PT_REGS+8, $26, 0 - stq $26, 0($sp) - stq $16, 8($sp) - stq $17, 16($sp) - stq $18, 24($sp) - .prologue 1 - - lda $16, 32($sp) - lda $17, 0 - lda $18, SIZEOF_PT_REGS - bsr $26, memset !samegp - - /* Avoid the HAE being gratuitously wrong, which would cause us - to do the whole turn off interrupts thing and restore it. */ - ldq $2, alpha_mv+HAE_CACHE - stq $2, 152+32($sp) - - ldq $16, 8($sp) - ldq $17, 16($sp) - ldq $18, 24($sp) - lda $19, 32($sp) - bsr $26, do_execve !samegp - - ldq $26, 0($sp) - bne $0, 1f /* error! */ - - /* Move the temporary pt_regs struct from its current location - to the top of the kernel stack frame. See copy_thread for - details for a normal process. */ - lda $16, 0x4000 - SIZEOF_PT_REGS($8) - lda $17, 32($sp) - lda $18, SIZEOF_PT_REGS - bsr $26, memmove !samegp - - /* Take that over as our new stack frame and visit userland! */ - lda $sp, 0x4000 - SIZEOF_PT_REGS($8) - br $31, ret_from_sys_call - -1: lda $sp, 32+SIZEOF_PT_REGS+8($sp) - ret -.end kernel_execve + .globl ret_from_kernel_thread + .ent ret_from_kernel_thread +ret_from_kernel_thread: + mov $17, $16 + jsr $26, schedule_tail + mov $9, $27 + mov $10, $16 + jsr $26, ($9) + mov $31, $19 /* to disable syscall restarts */ + br $31, ret_to_user +.end ret_from_kernel_thread /* * Special system calls. Most of these are special in that they either * have to play switch_stack games or in some way use the pt_regs struct. */ - .align 4 - .globl sys_fork - .ent sys_fork -sys_fork: - .prologue 0 - mov $sp, $21 - bsr $1, do_switch_stack - bis $31, SIGCHLD, $16 - mov $31, $17 - mov $31, $18 - mov $31, $19 - mov $31, $20 - jsr $26, alpha_clone - bsr $1, undo_switch_stack - ret -.end sys_fork +.macro fork_like name .align 4 - .globl sys_clone - .ent sys_clone -sys_clone: + .globl alpha_\name + .ent alpha_\name +alpha_\name: .prologue 0 - mov $sp, $21 bsr $1, do_switch_stack - /* $16, $17, $18, $19, $20 come from the user. */ - jsr $26, alpha_clone - bsr $1, undo_switch_stack + jsr $26, sys_\name + ldq $26, 56($sp) + lda $sp, SWITCH_STACK_SIZE($sp) ret -.end sys_clone +.end alpha_\name +.endm - .align 4 - .globl sys_vfork - .ent sys_vfork -sys_vfork: - .prologue 0 - mov $sp, $16 - bsr $1, do_switch_stack - jsr $26, alpha_vfork - bsr $1, undo_switch_stack - ret -.end sys_vfork +fork_like fork +fork_like vfork +fork_like clone .align 4 .globl sys_sigreturn @@ -769,12 +819,10 @@ sys_sigreturn: .prologue 0 lda $9, ret_from_straced cmpult $26, $9, $9 - mov $sp, $17 - lda $18, -SWITCH_STACK_SIZE($sp) lda $sp, -SWITCH_STACK_SIZE($sp) jsr $26, do_sigreturn bne $9, 1f - jsr $26, syscall_trace + jsr $26, syscall_trace_leave 1: br $1, undo_switch_stack br ret_from_sys_call .end sys_sigreturn @@ -786,135 +834,15 @@ sys_rt_sigreturn: .prologue 0 lda $9, ret_from_straced cmpult $26, $9, $9 - mov $sp, $17 - lda $18, -SWITCH_STACK_SIZE($sp) lda $sp, -SWITCH_STACK_SIZE($sp) jsr $26, do_rt_sigreturn bne $9, 1f - jsr $26, syscall_trace + jsr $26, syscall_trace_leave 1: br $1, undo_switch_stack br ret_from_sys_call .end sys_rt_sigreturn .align 4 - .globl sys_sethae - .ent sys_sethae -sys_sethae: - .prologue 0 - stq $16, 152($sp) - ret -.end sys_sethae - - .align 4 - .globl osf_getpriority - .ent osf_getpriority -osf_getpriority: - lda $sp, -16($sp) - stq $26, 0($sp) - .prologue 0 - - jsr $26, sys_getpriority - - ldq $26, 0($sp) - blt $0, 1f - - /* Return value is the unbiased priority, i.e. 20 - prio. - This does result in negative return values, so signal - no error by writing into the R0 slot. */ - lda $1, 20 - stq $31, 16($sp) - subl $1, $0, $0 - unop - -1: lda $sp, 16($sp) - ret -.end osf_getpriority - - .align 4 - .globl sys_getxuid - .ent sys_getxuid -sys_getxuid: - .prologue 0 - ldq $2, TI_TASK($8) - ldq $3, TASK_CRED($2) - ldl $0, CRED_UID($3) - ldl $1, CRED_EUID($3) - stq $1, 80($sp) - ret -.end sys_getxuid - - .align 4 - .globl sys_getxgid - .ent sys_getxgid -sys_getxgid: - .prologue 0 - ldq $2, TI_TASK($8) - ldq $3, TASK_CRED($2) - ldl $0, CRED_GID($3) - ldl $1, CRED_EGID($3) - stq $1, 80($sp) - ret -.end sys_getxgid - - .align 4 - .globl sys_getxpid - .ent sys_getxpid -sys_getxpid: - .prologue 0 - ldq $2, TI_TASK($8) - - /* See linux/kernel/timer.c sys_getppid for discussion - about this loop. */ - ldq $3, TASK_GROUP_LEADER($2) - ldq $4, TASK_REAL_PARENT($3) - ldl $0, TASK_TGID($2) -1: ldl $1, TASK_TGID($4) -#ifdef CONFIG_SMP - mov $4, $5 - mb - ldq $3, TASK_GROUP_LEADER($2) - ldq $4, TASK_REAL_PARENT($3) - cmpeq $4, $5, $5 - beq $5, 1b -#endif - stq $1, 80($sp) - ret -.end sys_getxpid - - .align 4 - .globl sys_alpha_pipe - .ent sys_alpha_pipe -sys_alpha_pipe: - lda $sp, -16($sp) - stq $26, 0($sp) - .prologue 0 - - mov $31, $17 - lda $16, 8($sp) - jsr $26, do_pipe_flags - - ldq $26, 0($sp) - bne $0, 1f - - /* The return values are in $0 and $20. */ - ldl $1, 12($sp) - ldl $0, 8($sp) - - stq $1, 80+16($sp) -1: lda $sp, 16($sp) - ret -.end sys_alpha_pipe - - .align 4 - .globl sys_execve - .ent sys_execve -sys_execve: - .prologue 0 - mov $sp, $19 - jmp $31, do_sys_execve -.end sys_execve - - .align 4 .globl alpha_ni_syscall .ent alpha_ni_syscall alpha_ni_syscall: diff --git a/arch/alpha/kernel/err_impl.h b/arch/alpha/kernel/err_impl.h index 0c010ca4611..ae529c41603 100644 --- a/arch/alpha/kernel/err_impl.h +++ b/arch/alpha/kernel/err_impl.h @@ -7,6 +7,8 @@ * implementations. */ +#include <asm/mce.h> + union el_timestamp; struct el_subpacket; struct ev7_lf_subpackets; diff --git a/arch/alpha/kernel/head.S b/arch/alpha/kernel/head.S index 4bdd1d2ff35..c352499ab9f 100644 --- a/arch/alpha/kernel/head.S +++ b/arch/alpha/kernel/head.S @@ -8,14 +8,12 @@ */ #include <linux/init.h> -#include <asm/system.h> #include <asm/asm-offsets.h> +#include <asm/pal.h> +#include <asm/setup.h> __HEAD -.globl swapper_pg_dir .globl _stext -swapper_pg_dir=SWAPPER_PGD - .set noreorder .globl __start .ent __start diff --git a/arch/alpha/kernel/init_task.c b/arch/alpha/kernel/init_task.c deleted file mode 100644 index 6f80ca4f976..00000000000 --- a/arch/alpha/kernel/init_task.c +++ /dev/null @@ -1,17 +0,0 @@ -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/init_task.h> -#include <linux/fs.h> -#include <linux/mqueue.h> -#include <asm/uaccess.h> - - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -struct task_struct init_task = INIT_TASK(init_task); -EXPORT_SYMBOL(init_task); - -union thread_union init_thread_union __init_task_data = - { INIT_THREAD_INFO(init_task) }; diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index 381431a2d6d..7b2be251c30 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -26,7 +26,6 @@ #include <linux/profile.h> #include <linux/bitops.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/uaccess.h> @@ -118,13 +117,6 @@ handle_irq(int irq) return; } - /* - * From here we must proceed with IPL_MAX. Note that we do not - * explicitly enable interrupts afterwards - some MILO PALcode - * (namely LX164 one) seems to have severe problems with RTI - * at IPL 0. - */ - local_irq_disable(); irq_enter(); generic_handle_irq_desc(irq, desc); irq_exit(); diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c index 51b7fbd9e4c..1c8625cb0e2 100644 --- a/arch/alpha/kernel/irq_alpha.c +++ b/arch/alpha/kernel/irq_alpha.c @@ -11,6 +11,7 @@ #include <asm/machvec.h> #include <asm/dma.h> #include <asm/perf_event.h> +#include <asm/mce.h> #include "proto.h" #include "irq_impl.h" @@ -44,6 +45,14 @@ do_entInt(unsigned long type, unsigned long vector, unsigned long la_ptr, struct pt_regs *regs) { struct pt_regs *old_regs; + + /* + * Disable interrupts during IRQ handling. + * Note that there is no matching local_irq_enable() due to + * severe problems with RTI at IPL0 and some MILO PALcode + * (namely LX164). + */ + local_irq_disable(); switch (type) { case 0: #ifdef CONFIG_SMP @@ -57,22 +66,7 @@ do_entInt(unsigned long type, unsigned long vector, break; case 1: old_regs = set_irq_regs(regs); -#ifdef CONFIG_SMP - { - long cpu; - - local_irq_disable(); - smp_percpu_timer_interrupt(regs); - cpu = smp_processor_id(); - if (cpu != boot_cpuid) { - kstat_incr_irqs_this_cpu(RTC_IRQ, irq_to_desc(RTC_IRQ)); - } else { - handle_irq(RTC_IRQ); - } - } -#else handle_irq(RTC_IRQ); -#endif set_irq_regs(old_regs); return; case 2: @@ -220,8 +214,7 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr, */ struct irqaction timer_irqaction = { - .handler = timer_interrupt, - .flags = IRQF_DISABLED, + .handler = rtc_timer_interrupt, .name = "timer", }; @@ -229,7 +222,7 @@ void __init init_rtc_irq(void) { irq_set_chip_and_handler_name(RTC_IRQ, &dummy_irq_chip, - handle_simple_irq, "RTC"); + handle_percpu_irq, "RTC"); setup_irq(RTC_IRQ, &timer_irqaction); } diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h index 7fa62488bd1..f54bdf658cd 100644 --- a/arch/alpha/kernel/machvec_impl.h +++ b/arch/alpha/kernel/machvec_impl.h @@ -43,10 +43,7 @@ #define CAT1(x,y) x##y #define CAT(x,y) CAT1(x,y) -#define DO_DEFAULT_RTC \ - .rtc_port = 0x70, \ - .rtc_get_time = common_get_rtc_time, \ - .rtc_set_time = common_set_rtc_time +#define DO_DEFAULT_RTC .rtc_port = 0x70 #define DO_EV4_MMU \ .max_asn = EV4_MAX_ASN, \ diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 01e8715e26d..1402fcc11c2 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -40,7 +40,6 @@ #include <asm/fpu.h> #include <asm/io.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/sysinfo.h> #include <asm/thread_info.h> #include <asm/hwrpb.h> @@ -97,6 +96,7 @@ struct osf_dirent { }; struct osf_dirent_callback { + struct dir_context ctx; struct osf_dirent __user *dirent; long __user *basep; unsigned int count; @@ -146,27 +146,24 @@ SYSCALL_DEFINE4(osf_getdirentries, unsigned int, fd, long __user *, basep) { int error; - struct file *file; - struct osf_dirent_callback buf; - - error = -EBADF; - file = fget(fd); - if (!file) - goto out; + struct fd arg = fdget(fd); + struct osf_dirent_callback buf = { + .ctx.actor = osf_filldir, + .dirent = dirent, + .basep = basep, + .count = count + }; - buf.dirent = dirent; - buf.basep = basep; - buf.count = count; - buf.error = 0; + if (!arg.file) + return -EBADF; - error = vfs_readdir(file, osf_filldir, &buf); + error = iterate_dir(arg.file, &buf.ctx); if (error >= 0) error = buf.error; if (count != buf.count) error = count - buf.count; - fput(file); - out: + fdput(arg); return error; } @@ -192,6 +189,39 @@ SYSCALL_DEFINE6(osf_mmap, unsigned long, addr, unsigned long, len, return ret; } +struct osf_stat { + int st_dev; + int st_pad1; + unsigned st_mode; + unsigned short st_nlink; + short st_nlink_reserved; + unsigned st_uid; + unsigned st_gid; + int st_rdev; + int st_ldev; + long st_size; + int st_pad2; + int st_uatime; + int st_pad3; + int st_umtime; + int st_pad4; + int st_uctime; + int st_pad5; + int st_pad6; + unsigned st_flags; + unsigned st_gen; + long st_spare[4]; + unsigned st_ino; + int st_ino_reserved; + int st_atime; + int st_atime_reserved; + int st_mtime; + int st_mtime_reserved; + int st_ctime; + int st_ctime_reserved; + long st_blksize; + long st_blocks; +}; /* * The OSF/1 statfs structure is much larger, but this should @@ -210,6 +240,60 @@ struct osf_statfs { __kernel_fsid_t f_fsid; }; +struct osf_statfs64 { + short f_type; + short f_flags; + int f_pad1; + int f_pad2; + int f_pad3; + int f_pad4; + int f_pad5; + int f_pad6; + int f_pad7; + __kernel_fsid_t f_fsid; + u_short f_namemax; + short f_reserved1; + int f_spare[8]; + char f_pad8[90]; + char f_pad9[90]; + long mount_info[10]; + u_long f_flags2; + long f_spare2[14]; + long f_fsize; + long f_bsize; + long f_blocks; + long f_bfree; + long f_bavail; + long f_files; + long f_ffree; +}; + +static int +linux_to_osf_stat(struct kstat *lstat, struct osf_stat __user *osf_stat) +{ + struct osf_stat tmp = { 0 }; + + tmp.st_dev = lstat->dev; + tmp.st_mode = lstat->mode; + tmp.st_nlink = lstat->nlink; + tmp.st_uid = from_kuid_munged(current_user_ns(), lstat->uid); + tmp.st_gid = from_kgid_munged(current_user_ns(), lstat->gid); + tmp.st_rdev = lstat->rdev; + tmp.st_ldev = lstat->rdev; + tmp.st_size = lstat->size; + tmp.st_uatime = lstat->atime.tv_nsec / 1000; + tmp.st_umtime = lstat->mtime.tv_nsec / 1000; + tmp.st_uctime = lstat->ctime.tv_nsec / 1000; + tmp.st_ino = lstat->ino; + tmp.st_atime = lstat->atime.tv_sec; + tmp.st_mtime = lstat->mtime.tv_sec; + tmp.st_ctime = lstat->ctime.tv_sec; + tmp.st_blksize = lstat->blksize; + tmp.st_blocks = lstat->blocks; + + return copy_to_user(osf_stat, &tmp, sizeof(tmp)) ? -EFAULT : 0; +} + static int linux_to_osf_statfs(struct kstatfs *linux_stat, struct osf_statfs __user *osf_stat, unsigned long bufsiz) @@ -231,6 +315,26 @@ linux_to_osf_statfs(struct kstatfs *linux_stat, struct osf_statfs __user *osf_st return copy_to_user(osf_stat, &tmp_stat, bufsiz) ? -EFAULT : 0; } +static int +linux_to_osf_statfs64(struct kstatfs *linux_stat, struct osf_statfs64 __user *osf_stat, + unsigned long bufsiz) +{ + struct osf_statfs64 tmp_stat = { 0 }; + + tmp_stat.f_type = linux_stat->f_type; + tmp_stat.f_fsize = linux_stat->f_frsize; + tmp_stat.f_bsize = linux_stat->f_bsize; + tmp_stat.f_blocks = linux_stat->f_blocks; + tmp_stat.f_bfree = linux_stat->f_bfree; + tmp_stat.f_bavail = linux_stat->f_bavail; + tmp_stat.f_files = linux_stat->f_files; + tmp_stat.f_ffree = linux_stat->f_ffree; + tmp_stat.f_fsid = linux_stat->f_fsid; + if (bufsiz > sizeof(tmp_stat)) + bufsiz = sizeof(tmp_stat); + return copy_to_user(osf_stat, &tmp_stat, bufsiz) ? -EFAULT : 0; +} + SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname, struct osf_statfs __user *, buffer, unsigned long, bufsiz) { @@ -241,6 +345,42 @@ SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname, return error; } +SYSCALL_DEFINE2(osf_stat, char __user *, name, struct osf_stat __user *, buf) +{ + struct kstat stat; + int error; + + error = vfs_stat(name, &stat); + if (error) + return error; + + return linux_to_osf_stat(&stat, buf); +} + +SYSCALL_DEFINE2(osf_lstat, char __user *, name, struct osf_stat __user *, buf) +{ + struct kstat stat; + int error; + + error = vfs_lstat(name, &stat); + if (error) + return error; + + return linux_to_osf_stat(&stat, buf); +} + +SYSCALL_DEFINE2(osf_fstat, int, fd, struct osf_stat __user *, buf) +{ + struct kstat stat; + int error; + + error = vfs_fstat(fd, &stat); + if (error) + return error; + + return linux_to_osf_stat(&stat, buf); +} + SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd, struct osf_statfs __user *, buffer, unsigned long, bufsiz) { @@ -251,6 +391,26 @@ SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd, return error; } +SYSCALL_DEFINE3(osf_statfs64, char __user *, pathname, + struct osf_statfs64 __user *, buffer, unsigned long, bufsiz) +{ + struct kstatfs linux_stat; + int error = user_statfs(pathname, &linux_stat); + if (!error) + error = linux_to_osf_statfs64(&linux_stat, buffer, bufsiz); + return error; +} + +SYSCALL_DEFINE3(osf_fstatfs64, unsigned long, fd, + struct osf_statfs64 __user *, buffer, unsigned long, bufsiz) +{ + struct kstatfs linux_stat; + int error = fd_statfs(fd, &linux_stat); + if (!error) + error = linux_to_osf_statfs64(&linux_stat, buffer, bufsiz); + return error; +} + /* * Uhh.. OSF/1 mount parameters aren't exactly obvious.. * @@ -286,11 +446,11 @@ struct procfs_args { * unhappy with OSF UFS. [CHECKME] */ static int -osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags) +osf_ufs_mount(const char *dirname, struct ufs_args __user *args, int flags) { int retval; struct cdfs_args tmp; - char *devname; + struct filename *devname; retval = -EFAULT; if (copy_from_user(&tmp, args, sizeof(tmp))) @@ -299,18 +459,18 @@ osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags) retval = PTR_ERR(devname); if (IS_ERR(devname)) goto out; - retval = do_mount(devname, dirname, "ext2", flags, NULL); + retval = do_mount(devname->name, dirname, "ext2", flags, NULL); putname(devname); out: return retval; } static int -osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags) +osf_cdfs_mount(const char *dirname, struct cdfs_args __user *args, int flags) { int retval; struct cdfs_args tmp; - char *devname; + struct filename *devname; retval = -EFAULT; if (copy_from_user(&tmp, args, sizeof(tmp))) @@ -319,14 +479,14 @@ osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags) retval = PTR_ERR(devname); if (IS_ERR(devname)) goto out; - retval = do_mount(devname, dirname, "iso9660", flags, NULL); + retval = do_mount(devname->name, dirname, "iso9660", flags, NULL); putname(devname); out: return retval; } static int -osf_procfs_mount(char *dirname, struct procfs_args __user *args, int flags) +osf_procfs_mount(const char *dirname, struct procfs_args __user *args, int flags) { struct procfs_args tmp; @@ -340,7 +500,7 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, const char __user *, path, int, flag, void __user *, data) { int retval; - char *name; + struct filename *name; name = getname(path); retval = PTR_ERR(name); @@ -348,13 +508,13 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, const char __user *, path, goto out; switch (typenr) { case 1: - retval = osf_ufs_mount(name, data, flag); + retval = osf_ufs_mount(name->name, data, flag); break; case 6: - retval = osf_cdfs_mount(name, data, flag); + retval = osf_cdfs_mount(name->name, data, flag); break; case 9: - retval = osf_procfs_mount(name, data, flag); + retval = osf_procfs_mount(name->name, data, flag); break; default: retval = -EINVAL; @@ -634,8 +794,7 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer, case GSI_UACPROC: if (nbytes < sizeof(unsigned int)) return -EINVAL; - w = (current_thread_info()->flags >> ALPHA_UAC_SHIFT) & - UAC_BITMASK; + w = current_thread_info()->status & UAC_BITMASK; if (put_user(w, (unsigned int __user *)buffer)) return -EFAULT; return 1; @@ -745,24 +904,20 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, break; case SSI_NVPAIRS: { - unsigned long v, w, i; - unsigned int old, new; + unsigned __user *p = buffer; + unsigned i; - for (i = 0; i < nbytes; ++i) { + for (i = 0, p = buffer; i < nbytes; ++i, p += 2) { + unsigned v, w, status; - if (get_user(v, 2*i + (unsigned int __user *)buffer)) - return -EFAULT; - if (get_user(w, 2*i + 1 + (unsigned int __user *)buffer)) + if (get_user(v, p) || get_user(w, p + 1)) return -EFAULT; switch (v) { case SSIN_UACPROC: - again: - old = current_thread_info()->flags; - new = old & ~(UAC_BITMASK << ALPHA_UAC_SHIFT); - new = new | (w & UAC_BITMASK) << ALPHA_UAC_SHIFT; - if (cmpxchg(¤t_thread_info()->flags, - old, new) != old) - goto again; + w &= UAC_BITMASK; + status = current_thread_info()->status; + status = (status & ~UAC_BITMASK) | w; + current_thread_info()->status = status; break; default: @@ -772,6 +927,9 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, return 0; } + case SSI_LMF: + return 0; + default: break; } @@ -982,6 +1140,7 @@ struct rusage32 { SYSCALL_DEFINE2(osf_getrusage, int, who, struct rusage32 __user *, ru) { struct rusage32 r; + cputime_t utime, stime; if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN) return -EINVAL; @@ -989,8 +1148,9 @@ SYSCALL_DEFINE2(osf_getrusage, int, who, struct rusage32 __user *, ru) memset(&r, 0, sizeof(r)); switch (who) { case RUSAGE_SELF: - jiffies_to_timeval32(current->utime, &r.ru_utime); - jiffies_to_timeval32(current->stime, &r.ru_stime); + task_cputime(current, &utime, &stime); + jiffies_to_timeval32(utime, &r.ru_utime); + jiffies_to_timeval32(stime, &r.ru_stime); r.ru_minflt = current->min_flt; r.ru_majflt = current->maj_flt; break; @@ -1141,17 +1301,15 @@ static unsigned long arch_get_unmapped_area_1(unsigned long addr, unsigned long len, unsigned long limit) { - struct vm_area_struct *vma = find_vma(current->mm, addr); - - while (1) { - /* At this point: (!vma || addr < vma->vm_end). */ - if (limit - len < addr) - return -ENOMEM; - if (!vma || addr + len <= vma->vm_start) - return addr; - addr = vma->vm_end; - vma = vma->vm_next; - } + struct vm_unmapped_area_info info; + + info.flags = 0; + info.length = len; + info.low_limit = addr; + info.high_limit = limit; + info.align_mask = 0; + info.align_offset = 0; + return vm_unmapped_area(&info); } unsigned long @@ -1239,3 +1397,52 @@ SYSCALL_DEFINE3(osf_writev, unsigned long, fd, } #endif + +SYSCALL_DEFINE2(osf_getpriority, int, which, int, who) +{ + int prio = sys_getpriority(which, who); + if (prio >= 0) { + /* Return value is the unbiased priority, i.e. 20 - prio. + This does result in negative return values, so signal + no error */ + force_successful_syscall_return(); + prio = 20 - prio; + } + return prio; +} + +SYSCALL_DEFINE0(getxuid) +{ + current_pt_regs()->r20 = sys_geteuid(); + return sys_getuid(); +} + +SYSCALL_DEFINE0(getxgid) +{ + current_pt_regs()->r20 = sys_getegid(); + return sys_getgid(); +} + +SYSCALL_DEFINE0(getxpid) +{ + current_pt_regs()->r20 = sys_getppid(); + return sys_getpid(); +} + +SYSCALL_DEFINE0(alpha_pipe) +{ + int fd[2]; + int res = do_pipe_flags(fd, 0); + if (!res) { + /* The return values are in $0 and $20. */ + current_pt_regs()->r20 = fd[1]; + res = fd[0]; + } + return res; +} + +SYSCALL_DEFINE1(sethae, unsigned long, val) +{ + current_pt_regs()->hae = val; + return 0; +} diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index 04eea4894ef..df24b76f924 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -108,7 +108,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn, } static void *alpha_noop_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { void *ret; @@ -123,7 +124,8 @@ static void *alpha_noop_alloc_coherent(struct device *dev, size_t size, } static void alpha_noop_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_addr) + void *cpu_addr, dma_addr_t dma_addr, + struct dma_attrs *attrs) { free_pages((unsigned long)cpu_addr, get_order(size)); } @@ -174,8 +176,8 @@ static int alpha_noop_set_mask(struct device *dev, u64 mask) } struct dma_map_ops alpha_noop_ops = { - .alloc_coherent = alpha_noop_alloc_coherent, - .free_coherent = alpha_noop_free_coherent, + .alloc = alpha_noop_alloc_coherent, + .free = alpha_noop_free_coherent, .map_page = alpha_noop_map_page, .map_sg = alpha_noop_map_sg, .mapping_error = alpha_noop_mapping_error, diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c index 53649c7d006..99e8d4796c9 100644 --- a/arch/alpha/kernel/pci-sysfs.c +++ b/arch/alpha/kernel/pci-sysfs.c @@ -26,7 +26,6 @@ static int hose_mmap_page_range(struct pci_controller *hose, base = sparse ? hose->sparse_io_base : hose->dense_io_base; vma->vm_pgoff += base >> PAGE_SHIFT; - vma->vm_flags |= (VM_IO | VM_RESERVED); return io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, vma->vm_end - vma->vm_start, @@ -84,7 +83,7 @@ static int pci_mmap_resource(struct kobject *kobj, if (iomem_is_exclusive(res->start)) return -EINVAL; - pcibios_resource_to_bus(pdev, &bar, res); + pcibios_resource_to_bus(pdev->bus, &bar, res); vma->vm_pgoff += bar.start >> (PAGE_SHIFT - (sparse ? 5 : 0)); mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io; @@ -140,7 +139,7 @@ static int sparse_mem_mmap_fits(struct pci_dev *pdev, int num) long dense_offset; unsigned long sparse_size; - pcibios_resource_to_bus(pdev, &bar, &pdev->resource[num]); + pcibios_resource_to_bus(pdev->bus, &bar, &pdev->resource[num]); /* All core logic chips have 4G sparse address space, except CIA which has 16G (see xxx_SPARSE_MEM and xxx_DENSE_MEM diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index 8c723c1b086..076c35cd6cd 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -43,12 +43,10 @@ const char *const pci_mem_names[] = { const char pci_hae0_name[] = "HAE0"; -/* Indicate whether we respect the PCI setup left by console. */ /* - * Make this long-lived so that we know when shutting down - * whether we probed only or not. + * If PCI_PROBE_ONLY in pci_flags is set, we don't change any PCI resource + * assignments. */ -int pci_probe_only; /* * The PCI controller list. @@ -61,15 +59,13 @@ struct pci_controller *pci_isa_hose; * Quirks. */ -static void __init -quirk_isa_bridge(struct pci_dev *dev) +static void quirk_isa_bridge(struct pci_dev *dev) { dev->class = PCI_CLASS_BRIDGE_ISA << 8; } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82378, quirk_isa_bridge); -static void __init -quirk_cypress(struct pci_dev *dev) +static void quirk_cypress(struct pci_dev *dev) { /* The Notorious Cy82C693 chip. */ @@ -108,8 +104,7 @@ quirk_cypress(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, quirk_cypress); /* Called for each device after PCI setup is done. */ -static void __init -pcibios_fixup_final(struct pci_dev *dev) +static void pcibios_fixup_final(struct pci_dev *dev) { unsigned int class = dev->class >> 8; @@ -200,22 +195,15 @@ pcibios_init(void) subsys_initcall(pcibios_init); -char * __devinit -pcibios_setup(char *str) -{ - return str; -} - #ifdef ALPHA_RESTORE_SRM_SETUP static struct pdev_srm_saved_conf *srm_saved_configs; -void __devinit -pdev_save_srm_config(struct pci_dev *dev) +void pdev_save_srm_config(struct pci_dev *dev) { struct pdev_srm_saved_conf *tmp; static int printed = 0; - if (!alpha_using_srm || pci_probe_only) + if (!alpha_using_srm || pci_has_flag(PCI_PROBE_ONLY)) return; if (!printed) { @@ -242,7 +230,7 @@ pci_restore_srm_config(void) struct pdev_srm_saved_conf *tmp; /* No need to restore if probed only. */ - if (pci_probe_only) + if (pci_has_flag(PCI_PROBE_ONLY)) return; /* Restore SRM config. */ @@ -252,98 +240,20 @@ pci_restore_srm_config(void) } #endif -void __devinit -pcibios_fixup_resource(struct resource *res, struct resource *root) -{ - res->start += root->start; - res->end += root->start; -} - -void __devinit -pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus) -{ - /* Update device resources. */ - struct pci_controller *hose = (struct pci_controller *)bus->sysdata; - int i; - - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - if (!dev->resource[i].start) - continue; - if (dev->resource[i].flags & IORESOURCE_IO) - pcibios_fixup_resource(&dev->resource[i], - hose->io_space); - else if (dev->resource[i].flags & IORESOURCE_MEM) - pcibios_fixup_resource(&dev->resource[i], - hose->mem_space); - } -} - -void __devinit -pcibios_fixup_bus(struct pci_bus *bus) +void pcibios_fixup_bus(struct pci_bus *bus) { struct pci_dev *dev = bus->self; - if (pci_probe_only && dev && + if (pci_has_flag(PCI_PROBE_ONLY) && dev && (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { pci_read_bridge_bases(bus); - pcibios_fixup_device_resources(dev, bus); } list_for_each_entry(dev, &bus->devices, bus_list) { pdev_save_srm_config(dev); - if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI) - pcibios_fixup_device_resources(dev, bus); } } -void __init -pcibios_update_irq(struct pci_dev *dev, int irq) -{ - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); -} - -void -pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, - struct resource *res) -{ - struct pci_controller *hose = (struct pci_controller *)dev->sysdata; - unsigned long offset = 0; - - if (res->flags & IORESOURCE_IO) - offset = hose->io_space->start; - else if (res->flags & IORESOURCE_MEM) - offset = hose->mem_space->start; - - region->start = res->start - offset; - region->end = res->end - offset; -} - -void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region) -{ - struct pci_controller *hose = (struct pci_controller *)dev->sysdata; - unsigned long offset = 0; - - if (res->flags & IORESOURCE_IO) - offset = hose->io_space->start; - else if (res->flags & IORESOURCE_MEM) - offset = hose->mem_space->start; - - res->start = region->start + offset; - res->end = region->end + offset; -} - -#ifdef CONFIG_HOTPLUG -EXPORT_SYMBOL(pcibios_resource_to_bus); -EXPORT_SYMBOL(pcibios_bus_to_resource); -#endif - -int -pcibios_enable_device(struct pci_dev *dev, int mask) -{ - return pci_enable_resources(dev, mask); -} - /* * If we set up a device for bus mastering, we need to check the latency * timer as certain firmware forgets to set it properly, as seen @@ -374,7 +284,8 @@ pcibios_claim_one_bus(struct pci_bus *b) if (r->parent || !r->start || !r->flags) continue; - if (pci_probe_only || (r->flags & IORESOURCE_PCI_FIXED)) + if (pci_has_flag(PCI_PROBE_ONLY) || + (r->flags & IORESOURCE_PCI_FIXED)) pci_claim_resource(dev, i); } } @@ -416,14 +327,16 @@ common_init_pci(void) hose->mem_space->end = end; INIT_LIST_HEAD(&resources); - pci_add_resource(&resources, hose->io_space); - pci_add_resource(&resources, hose->mem_space); + pci_add_resource_offset(&resources, hose->io_space, + hose->io_space->start); + pci_add_resource_offset(&resources, hose->mem_space, + hose->mem_space->start); bus = pci_scan_root_bus(NULL, next_busno, alpha_mv.pci_ops, hose, &resources); hose->bus = bus; hose->need_domain_info = need_domain_info; - next_busno = bus->subordinate + 1; + next_busno = bus->busn_res.end + 1; /* Don't allow 8-bit bus number overflow inside the hose - reserve some space for bridges. */ if (next_busno > 224) { diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h index 85457b2d451..2b0ac429f5e 100644 --- a/arch/alpha/kernel/pci_impl.h +++ b/arch/alpha/kernel/pci_impl.h @@ -173,9 +173,6 @@ extern void pci_restore_srm_config(void); extern struct pci_controller *hose_head, **hose_tail; extern struct pci_controller *pci_isa_hose; -/* Indicate that we trust the console to configure things properly. */ -extern int pci_probe_only; - extern unsigned long alpha_agpgart_size; extern void common_init_pci(void); diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 43610804987..eddee772034 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -236,7 +236,7 @@ static int pci_dac_dma_supported(struct pci_dev *dev, u64 mask) ok = 0; /* If both conditions above are met, we are fine. */ - DBGA("pci_dac_dma_supported %s from %p\n", + DBGA("pci_dac_dma_supported %s from %pf\n", ok ? "yes" : "no", __builtin_return_address(0)); return ok; @@ -268,7 +268,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, && paddr + size <= __direct_map_size) { ret = paddr + __direct_map_base; - DBGA2("pci_map_single: [%p,%zx] -> direct %llx from %p\n", + DBGA2("pci_map_single: [%p,%zx] -> direct %llx from %pf\n", cpu_addr, size, ret, __builtin_return_address(0)); return ret; @@ -279,7 +279,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, if (dac_allowed) { ret = paddr + alpha_mv.pci_dac_offset; - DBGA2("pci_map_single: [%p,%zx] -> DAC %llx from %p\n", + DBGA2("pci_map_single: [%p,%zx] -> DAC %llx from %pf\n", cpu_addr, size, ret, __builtin_return_address(0)); return ret; @@ -316,7 +316,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, ret = arena->dma_base + dma_ofs * PAGE_SIZE; ret += (unsigned long)cpu_addr & ~PAGE_MASK; - DBGA2("pci_map_single: [%p,%zx] np %ld -> sg %llx from %p\n", + DBGA2("pci_map_single: [%p,%zx] np %ld -> sg %llx from %pf\n", cpu_addr, size, npages, ret, __builtin_return_address(0)); return ret; @@ -325,7 +325,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, /* Helper for generic DMA-mapping functions. */ static struct pci_dev *alpha_gendev_to_pci(struct device *dev) { - if (dev && dev->bus == &pci_bus_type) + if (dev && dev_is_pci(dev)) return to_pci_dev(dev); /* Assume that non-PCI devices asking for DMA are either ISA or EISA, @@ -354,8 +354,7 @@ static dma_addr_t alpha_pci_map_page(struct device *dev, struct page *page, struct pci_dev *pdev = alpha_gendev_to_pci(dev); int dac_allowed; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; return pci_map_single_1(pdev, (char *)page_address(page) + offset, @@ -378,21 +377,20 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr, struct pci_iommu_arena *arena; long dma_ofs, npages; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); if (dma_addr >= __direct_map_base && dma_addr < __direct_map_base + __direct_map_size) { /* Nothing to do. */ - DBGA2("pci_unmap_single: direct [%llx,%zx] from %p\n", + DBGA2("pci_unmap_single: direct [%llx,%zx] from %pf\n", dma_addr, size, __builtin_return_address(0)); return; } if (dma_addr > 0xffffffff) { - DBGA2("pci64_unmap_single: DAC [%llx,%zx] from %p\n", + DBGA2("pci64_unmap_single: DAC [%llx,%zx] from %pf\n", dma_addr, size, __builtin_return_address(0)); return; } @@ -424,7 +422,7 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr, spin_unlock_irqrestore(&arena->lock, flags); - DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %p\n", + DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %pf\n", dma_addr, size, npages, __builtin_return_address(0)); } @@ -434,7 +432,8 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr, else DMA_ADDRP is undefined. */ static void *alpha_pci_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addrp, gfp_t gfp) + dma_addr_t *dma_addrp, gfp_t gfp, + struct dma_attrs *attrs) { struct pci_dev *pdev = alpha_gendev_to_pci(dev); void *cpu_addr; @@ -446,7 +445,7 @@ try_again: cpu_addr = (void *)__get_free_pages(gfp, order); if (! cpu_addr) { printk(KERN_INFO "pci_alloc_consistent: " - "get_free_pages failed from %p\n", + "get_free_pages failed from %pf\n", __builtin_return_address(0)); /* ??? Really atomic allocation? Otherwise we could play with vmalloc and sg if we can't find contiguous memory. */ @@ -465,7 +464,7 @@ try_again: goto try_again; } - DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %p\n", + DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %pf\n", size, cpu_addr, *dma_addrp, __builtin_return_address(0)); return cpu_addr; @@ -478,13 +477,14 @@ try_again: DMA_ADDR past this call are illegal. */ static void alpha_pci_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_addr) + void *cpu_addr, dma_addr_t dma_addr, + struct dma_attrs *attrs) { struct pci_dev *pdev = alpha_gendev_to_pci(dev); pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL); free_pages((unsigned long)cpu_addr, get_order(size)); - DBGA2("pci_free_consistent: [%llx,%zx] from %p\n", + DBGA2("pci_free_consistent: [%llx,%zx] from %pf\n", dma_addr, size, __builtin_return_address(0)); } @@ -660,8 +660,7 @@ static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg, dma_addr_t max_dma; int dac_allowed; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); dac_allowed = dev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; @@ -740,8 +739,7 @@ static void alpha_pci_unmap_sg(struct device *dev, struct scatterlist *sg, dma_addr_t max_dma; dma_addr_t fbeg, fend; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); if (! alpha_mv.mv_pci_tbi) return; @@ -952,8 +950,8 @@ static int alpha_pci_set_mask(struct device *dev, u64 mask) } struct dma_map_ops alpha_pci_ops = { - .alloc_coherent = alpha_pci_alloc_coherent, - .free_coherent = alpha_pci_free_coherent, + .alloc = alpha_pci_alloc_coherent, + .free = alpha_pci_free_coherent, .map_page = alpha_pci_map_page, .unmap_page = alpha_pci_unmap_page, .map_sg = alpha_pci_map_sg, diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c index 8143cd7cdbf..c52e7f0ee5f 100644 --- a/arch/alpha/kernel/perf_event.c +++ b/arch/alpha/kernel/perf_event.c @@ -83,6 +83,8 @@ struct alpha_pmu_t { long pmc_left[3]; /* Subroutine for allocation of PMCs. Enforces constraints. */ int (*check_constraints)(struct perf_event **, unsigned long *, int); + /* Subroutine for checking validity of a raw event for this PMU. */ + int (*raw_event_valid)(u64 config); }; /* @@ -203,6 +205,12 @@ success: } +static int ev67_raw_event_valid(u64 config) +{ + return config >= EV67_CYCLES && config < EV67_LAST_ET; +}; + + static const struct alpha_pmu_t ev67_pmu = { .event_map = ev67_perfmon_event_map, .max_events = ARRAY_SIZE(ev67_perfmon_event_map), @@ -211,7 +219,8 @@ static const struct alpha_pmu_t ev67_pmu = { .pmc_count_mask = {EV67_PCTR_0_COUNT_MASK, EV67_PCTR_1_COUNT_MASK, 0}, .pmc_max_period = {(1UL<<20) - 1, (1UL<<20) - 1, 0}, .pmc_left = {16, 4, 0}, - .check_constraints = ev67_check_constraints + .check_constraints = ev67_check_constraints, + .raw_event_valid = ev67_raw_event_valid, }; @@ -609,7 +618,9 @@ static int __hw_perf_event_init(struct perf_event *event) } else if (attr->type == PERF_TYPE_HW_CACHE) { return -EOPNOTSUPP; } else if (attr->type == PERF_TYPE_RAW) { - ev = attr->config & 0xff; + if (!alpha_pmu->raw_event_valid(attr->config)) + return -EINVAL; + ev = attr->config; } else { return -EOPNOTSUPP; } @@ -685,6 +696,10 @@ static int alpha_pmu_event_init(struct perf_event *event) { int err; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (event->attr.type) { case PERF_TYPE_RAW: case PERF_TYPE_HARDWARE: @@ -820,7 +835,6 @@ static void alpha_perf_event_irq_handler(unsigned long la_ptr, idx = la_ptr; - perf_sample_data_init(&data, 0); for (j = 0; j < cpuc->n_events; j++) { if (cpuc->current_idx[j] == idx) break; @@ -844,7 +858,7 @@ static void alpha_perf_event_irq_handler(unsigned long la_ptr, hwc = &event->hw; alpha_perf_event_update(event, hwc, idx, alpha_pmu->pmc_max_period[idx]+1); - data.period = event->hw.last_period; + perf_sample_data_init(&data, 0, hwc->last_period); if (alpha_perf_event_set_period(event, hwc, idx)) { if (perf_event_overflow(event, &data, regs)) { diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 89bbe5b4114..1941a07b581 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -28,10 +28,10 @@ #include <linux/tty.h> #include <linux/console.h> #include <linux/slab.h> +#include <linux/rcupdate.h> #include <asm/reg.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/hwrpb.h> @@ -46,21 +46,22 @@ void (*pm_power_off)(void) = machine_power_off; EXPORT_SYMBOL(pm_power_off); -void -cpu_idle(void) +#ifdef CONFIG_ALPHA_WTINT +/* + * Sleep the CPU. + * EV6, LCA45 and QEMU know how to power down, skipping N timer interrupts. + */ +void arch_cpu_idle(void) { - set_thread_flag(TIF_POLLING_NRFLAG); - - while (1) { - /* FIXME -- EV6 and LCA45 know how to power down - the CPU. */ - - while (!need_resched()) - cpu_relax(); - schedule(); - } + wtint(0); + local_irq_enable(); } +void arch_cpu_idle_dead(void) +{ + wtint(INT_MAX); +} +#endif /* ALPHA_WTINT */ struct halt_info { int mode; @@ -133,7 +134,9 @@ common_shutdown_1(void *generic_ptr) if (in_interrupt()) irq_exit(); /* This has the effect of resetting the VGA video origin. */ - take_over_console(&dummy_con, 0, MAX_NR_CONSOLES-1, 1); + console_lock(); + do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES-1, 1); + console_unlock(); #endif pci_restore_srm_config(); set_hae(srm_hae); @@ -191,6 +194,7 @@ machine_power_off(void) void show_regs(struct pt_regs *regs) { + show_regs_print_info(KERN_DEFAULT); dik_show_regs(regs, NULL); } @@ -232,87 +236,53 @@ release_thread(struct task_struct *dead_task) } /* - * "alpha_clone()".. By the time we get here, the - * non-volatile registers have also been saved on the - * stack. We do some ugly pointer stuff here.. (see - * also copy_thread) - * - * Notice that "fork()" is implemented in terms of clone, - * with parameters (SIGCHLD, 0). - */ -int -alpha_clone(unsigned long clone_flags, unsigned long usp, - int __user *parent_tid, int __user *child_tid, - unsigned long tls_value, struct pt_regs *regs) -{ - if (!usp) - usp = rdusp(); - - return do_fork(clone_flags, usp, regs, 0, parent_tid, child_tid); -} - -int -alpha_vfork(struct pt_regs *regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), - regs, 0, NULL, NULL); -} - -/* * Copy an alpha thread.. - * - * Note the "stack_offset" stuff: when returning to kernel mode, we need - * to have some extra stack-space for the kernel stack that still exists - * after the "ret_from_fork". When returning to user mode, we only want - * the space needed by the syscall stack frame (ie "struct pt_regs"). - * Use the passed "regs" pointer to determine how much space we need - * for a kernel fork(). */ int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long unused, - struct task_struct * p, struct pt_regs * regs) + unsigned long arg, + struct task_struct *p) { extern void ret_from_fork(void); + extern void ret_from_kernel_thread(void); struct thread_info *childti = task_thread_info(p); - struct pt_regs * childregs; - struct switch_stack * childstack, *stack; - unsigned long stack_offset, settls; - - stack_offset = PAGE_SIZE - sizeof(struct pt_regs); - if (!(regs->ps & 8)) - stack_offset = (PAGE_SIZE-1) & (unsigned long) regs; - childregs = (struct pt_regs *) - (stack_offset + PAGE_SIZE + task_stack_page(p)); - - *childregs = *regs; - settls = regs->r20; - childregs->r0 = 0; - childregs->r19 = 0; - childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */ - regs->r20 = 0; - stack = ((struct switch_stack *) regs) - 1; + struct pt_regs *childregs = task_pt_regs(p); + struct pt_regs *regs = current_pt_regs(); + struct switch_stack *childstack, *stack; + childstack = ((struct switch_stack *) childregs) - 1; - *childstack = *stack; - childstack->r26 = (unsigned long) ret_from_fork; - childti->pcb.usp = usp; childti->pcb.ksp = (unsigned long) childstack; childti->pcb.flags = 1; /* set FEN, clear everything else */ - /* Set a new TLS for the child thread? Peek back into the - syscall arguments that we saved on syscall entry. Oops, - except we'd have clobbered it with the parent/child set - of r20. Read the saved copy. */ + if (unlikely(p->flags & PF_KTHREAD)) { + /* kernel thread */ + memset(childstack, 0, + sizeof(struct switch_stack) + sizeof(struct pt_regs)); + childstack->r26 = (unsigned long) ret_from_kernel_thread; + childstack->r9 = usp; /* function */ + childstack->r10 = arg; + childregs->hae = alpha_mv.hae_cache, + childti->pcb.usp = 0; + return 0; + } /* Note: if CLONE_SETTLS is not set, then we must inherit the value from the parent, which will have been set by the block copy in dup_task_struct. This is non-intuitive, but is required for proper operation in the case of a threaded application calling fork. */ if (clone_flags & CLONE_SETTLS) - childti->pcb.unique = settls; - + childti->pcb.unique = regs->r20; + childti->pcb.usp = usp ?: rdusp(); + *childregs = *regs; + childregs->r0 = 0; + childregs->r19 = 0; + childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */ + regs->r20 = 0; + stack = ((struct switch_stack *) regs) - 1; + *childstack = *stack; + childstack->r26 = (unsigned long) ret_from_fork; return 0; } @@ -383,27 +353,6 @@ dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task) EXPORT_SYMBOL(dump_elf_task_fp); /* - * sys_execve() executes a new program. - */ -asmlinkage int -do_sys_execve(const char __user *ufilename, - const char __user *const __user *argv, - const char __user *const __user *envp, struct pt_regs *regs) -{ - int error; - char *filename; - - filename = getname(ufilename); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - error = do_execve(filename, argv, envp, regs); - putname(filename); -out: - return error; -} - -/* * Return saved PC of a blocked thread. This assumes the frame * pointer is the 6th saved long on the kernel stack and that the * saved return address is the first long in the frame. This all diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h index d3e52d3fd59..da2d6ec9c37 100644 --- a/arch/alpha/kernel/proto.h +++ b/arch/alpha/kernel/proto.h @@ -135,17 +135,15 @@ extern void unregister_srm_console(void); /* smp.c */ extern void setup_smp(void); extern void handle_ipi(struct pt_regs *); -extern void smp_percpu_timer_interrupt(struct pt_regs *); /* bios32.c */ /* extern void reset_for_srm(void); */ /* time.c */ -extern irqreturn_t timer_interrupt(int irq, void *dev); +extern irqreturn_t rtc_timer_interrupt(int irq, void *dev); +extern void init_clockevent(void); extern void common_init_rtc(void); extern unsigned long est_cycle_freq; -extern unsigned int common_get_rtc_time(struct rtc_time *time); -extern int common_set_rtc_time(struct rtc_time *time); /* smc37c93x.c */ extern void SMC93x_Init(void); diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index e2af5eb59bb..86d835157b5 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -13,10 +13,11 @@ #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> +#include <linux/tracehook.h> +#include <linux/audit.h> #include <asm/uaccess.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/fpu.h> #include "proto.h" @@ -313,25 +314,21 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } +asmlinkage unsigned long syscall_trace_enter(void) +{ + unsigned long ret = 0; + struct pt_regs *regs = current_pt_regs(); + if (test_thread_flag(TIF_SYSCALL_TRACE) && + tracehook_report_syscall_entry(current_pt_regs())) + ret = -1UL; + audit_syscall_entry(AUDIT_ARCH_ALPHA, regs->r0, regs->r16, regs->r17, regs->r18, regs->r19); + return ret ?: current_pt_regs()->r0; +} + asmlinkage void -syscall_trace(void) +syscall_trace_leave(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return; - if (!(current->ptrace & PT_PTRACED)) - return; - /* The 0x80 provides a way for the tracing parent to distinguish - between a syscall stop and SIGTRAP delivery */ - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0)); - - /* - * This isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } + audit_syscall_exit(current_pt_regs()); + if (test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(current_pt_regs(), 0); } diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c new file mode 100644 index 00000000000..c8d284d8521 --- /dev/null +++ b/arch/alpha/kernel/rtc.c @@ -0,0 +1,323 @@ +/* + * linux/arch/alpha/kernel/rtc.c + * + * Copyright (C) 1991, 1992, 1995, 1999, 2000 Linus Torvalds + * + * This file contains date handling. + */ +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/string.h> +#include <linux/mc146818rtc.h> +#include <linux/bcd.h> +#include <linux/rtc.h> +#include <linux/platform_device.h> + +#include <asm/rtc.h> + +#include "proto.h" + + +/* + * Support for the RTC device. + * + * We don't want to use the rtc-cmos driver, because we don't want to support + * alarms, as that would be indistinguishable from timer interrupts. + * + * Further, generic code is really, really tied to a 1900 epoch. This is + * true in __get_rtc_time as well as the users of struct rtc_time e.g. + * rtc_tm_to_time. Thankfully all of the other epochs in use are later + * than 1900, and so it's easy to adjust. + */ + +static unsigned long rtc_epoch; + +static int __init +specifiy_epoch(char *str) +{ + unsigned long epoch = simple_strtoul(str, NULL, 0); + if (epoch < 1900) + printk("Ignoring invalid user specified epoch %lu\n", epoch); + else + rtc_epoch = epoch; + return 1; +} +__setup("epoch=", specifiy_epoch); + +static void __init +init_rtc_epoch(void) +{ + int epoch, year, ctrl; + + if (rtc_epoch != 0) { + /* The epoch was specified on the command-line. */ + return; + } + + /* Detect the epoch in use on this computer. */ + ctrl = CMOS_READ(RTC_CONTROL); + year = CMOS_READ(RTC_YEAR); + if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) + year = bcd2bin(year); + + /* PC-like is standard; used for year >= 70 */ + epoch = 1900; + if (year < 20) { + epoch = 2000; + } else if (year >= 20 && year < 48) { + /* NT epoch */ + epoch = 1980; + } else if (year >= 48 && year < 70) { + /* Digital UNIX epoch */ + epoch = 1952; + } + rtc_epoch = epoch; + + printk(KERN_INFO "Using epoch %d for rtc year %d\n", epoch, year); +} + +static int +alpha_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + __get_rtc_time(tm); + + /* Adjust for non-default epochs. It's easier to depend on the + generic __get_rtc_time and adjust the epoch here than create + a copy of __get_rtc_time with the edits we need. */ + if (rtc_epoch != 1900) { + int year = tm->tm_year; + /* Undo the century adjustment made in __get_rtc_time. */ + if (year >= 100) + year -= 100; + year += rtc_epoch - 1900; + /* Redo the century adjustment with the epoch in place. */ + if (year <= 69) + year += 100; + tm->tm_year = year; + } + + return rtc_valid_tm(tm); +} + +static int +alpha_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct rtc_time xtm; + + if (rtc_epoch != 1900) { + xtm = *tm; + xtm.tm_year -= rtc_epoch - 1900; + tm = &xtm; + } + + return __set_rtc_time(tm); +} + +static int +alpha_rtc_set_mmss(struct device *dev, unsigned long nowtime) +{ + int retval = 0; + int real_seconds, real_minutes, cmos_minutes; + unsigned char save_control, save_freq_select; + + /* Note: This code only updates minutes and seconds. Comments + indicate this was to avoid messing with unknown time zones, + and with the epoch nonsense described above. In order for + this to work, the existing clock cannot be off by more than + 15 minutes. + + ??? This choice is may be out of date. The x86 port does + not have problems with timezones, and the epoch processing has + now been fixed in alpha_set_rtc_time. + + In either case, one can always force a full rtc update with + the userland hwclock program, so surely 15 minute accuracy + is no real burden. */ + + /* In order to set the CMOS clock precisely, we have to be called + 500 ms after the second nowtime has started, because when + nowtime is written into the registers of the CMOS clock, it will + jump to the next second precisely 500 ms later. Check the Motorola + MC146818A or Dallas DS12887 data sheet for details. */ + + /* irq are locally disabled here */ + spin_lock(&rtc_lock); + /* Tell the clock it's being set */ + save_control = CMOS_READ(RTC_CONTROL); + CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); + + /* Stop and reset prescaler */ + save_freq_select = CMOS_READ(RTC_FREQ_SELECT); + CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT); + + cmos_minutes = CMOS_READ(RTC_MINUTES); + if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) + cmos_minutes = bcd2bin(cmos_minutes); + + real_seconds = nowtime % 60; + real_minutes = nowtime / 60; + if (((abs(real_minutes - cmos_minutes) + 15) / 30) & 1) { + /* correct for half hour time zone */ + real_minutes += 30; + } + real_minutes %= 60; + + if (abs(real_minutes - cmos_minutes) < 30) { + if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { + real_seconds = bin2bcd(real_seconds); + real_minutes = bin2bcd(real_minutes); + } + CMOS_WRITE(real_seconds,RTC_SECONDS); + CMOS_WRITE(real_minutes,RTC_MINUTES); + } else { + printk_once(KERN_NOTICE + "set_rtc_mmss: can't update from %d to %d\n", + cmos_minutes, real_minutes); + retval = -1; + } + + /* The following flags have to be released exactly in this order, + * otherwise the DS12887 (popular MC146818A clone with integrated + * battery and quartz) will not reset the oscillator and will not + * update precisely 500 ms later. You won't find this mentioned in + * the Dallas Semiconductor data sheets, but who believes data + * sheets anyway ... -- Markus Kuhn + */ + CMOS_WRITE(save_control, RTC_CONTROL); + CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); + spin_unlock(&rtc_lock); + + return retval; +} + +static int +alpha_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case RTC_EPOCH_READ: + return put_user(rtc_epoch, (unsigned long __user *)arg); + case RTC_EPOCH_SET: + if (arg < 1900) + return -EINVAL; + rtc_epoch = arg; + return 0; + default: + return -ENOIOCTLCMD; + } +} + +static const struct rtc_class_ops alpha_rtc_ops = { + .read_time = alpha_rtc_read_time, + .set_time = alpha_rtc_set_time, + .set_mmss = alpha_rtc_set_mmss, + .ioctl = alpha_rtc_ioctl, +}; + +/* + * Similarly, except do the actual CMOS access on the boot cpu only. + * This requires marshalling the data across an interprocessor call. + */ + +#if defined(CONFIG_SMP) && \ + (defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_MARVEL)) +# define HAVE_REMOTE_RTC 1 + +union remote_data { + struct rtc_time *tm; + unsigned long now; + long retval; +}; + +static void +do_remote_read(void *data) +{ + union remote_data *x = data; + x->retval = alpha_rtc_read_time(NULL, x->tm); +} + +static int +remote_read_time(struct device *dev, struct rtc_time *tm) +{ + union remote_data x; + if (smp_processor_id() != boot_cpuid) { + x.tm = tm; + smp_call_function_single(boot_cpuid, do_remote_read, &x, 1); + return x.retval; + } + return alpha_rtc_read_time(NULL, tm); +} + +static void +do_remote_set(void *data) +{ + union remote_data *x = data; + x->retval = alpha_rtc_set_time(NULL, x->tm); +} + +static int +remote_set_time(struct device *dev, struct rtc_time *tm) +{ + union remote_data x; + if (smp_processor_id() != boot_cpuid) { + x.tm = tm; + smp_call_function_single(boot_cpuid, do_remote_set, &x, 1); + return x.retval; + } + return alpha_rtc_set_time(NULL, tm); +} + +static void +do_remote_mmss(void *data) +{ + union remote_data *x = data; + x->retval = alpha_rtc_set_mmss(NULL, x->now); +} + +static int +remote_set_mmss(struct device *dev, unsigned long now) +{ + union remote_data x; + if (smp_processor_id() != boot_cpuid) { + x.now = now; + smp_call_function_single(boot_cpuid, do_remote_mmss, &x, 1); + return x.retval; + } + return alpha_rtc_set_mmss(NULL, now); +} + +static const struct rtc_class_ops remote_rtc_ops = { + .read_time = remote_read_time, + .set_time = remote_set_time, + .set_mmss = remote_set_mmss, + .ioctl = alpha_rtc_ioctl, +}; +#endif + +static int __init +alpha_rtc_init(void) +{ + const struct rtc_class_ops *ops; + struct platform_device *pdev; + struct rtc_device *rtc; + const char *name; + + init_rtc_epoch(); + name = "rtc-alpha"; + ops = &alpha_rtc_ops; + +#ifdef HAVE_REMOTE_RTC + if (alpha_mv.rtc_boot_cpu_only) + ops = &remote_rtc_ops; +#endif + + pdev = platform_device_register_simple(name, -1, NULL, 0); + rtc = devm_rtc_device_register(&pdev->dev, name, ops, THIS_MODULE); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + platform_set_drvdata(pdev, rtc); + return 0; +} +device_initcall(alpha_rtc_init); diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 32de56067e6..b20af76f12c 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -55,7 +55,6 @@ static struct notifier_block alpha_panic_block = { #include <asm/uaccess.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/hwrpb.h> #include <asm/dma.h> #include <asm/mmu_context.h> @@ -116,10 +115,17 @@ unsigned long alpha_agpgart_size = DEFAULT_AGP_APER_SIZE; #ifdef CONFIG_ALPHA_GENERIC struct alpha_machine_vector alpha_mv; +#endif + +#ifndef alpha_using_srm int alpha_using_srm; EXPORT_SYMBOL(alpha_using_srm); #endif +#ifndef alpha_using_qemu +int alpha_using_qemu; +#endif + static struct alpha_machine_vector *get_sysvec(unsigned long, unsigned long, unsigned long); static struct alpha_machine_vector *get_sysvec_byname(const char *); @@ -530,11 +536,15 @@ setup_arch(char **cmdline_p) atomic_notifier_chain_register(&panic_notifier_list, &alpha_panic_block); -#ifdef CONFIG_ALPHA_GENERIC +#ifndef alpha_using_srm /* Assume that we've booted from SRM if we haven't booted from MILO. Detect the later by looking for "MILO" in the system serial nr. */ alpha_using_srm = strncmp((const char *)hwrpb->ssn, "MILO", 4) != 0; #endif +#ifndef alpha_using_qemu + /* Similarly, look for QEMU. */ + alpha_using_qemu = strstr((const char *)hwrpb->ssn, "QEMU") != 0; +#endif /* If we are using SRM, we want to allow callbacks as early as possible, so do this NOW, and then @@ -1208,6 +1218,7 @@ show_cpuinfo(struct seq_file *f, void *slot) char *systype_name; char *sysvariation_name; int nr_processors; + unsigned long timer_freq; cpu_index = (unsigned) (cpu->type - 1); cpu_name = "Unknown"; @@ -1219,6 +1230,12 @@ show_cpuinfo(struct seq_file *f, void *slot) nr_processors = get_nr_processors(cpu, hwrpb->nr_processors); +#if CONFIG_HZ == 1024 || CONFIG_HZ == 1200 + timer_freq = (100UL * hwrpb->intr_freq) / 4096; +#else + timer_freq = 100UL * CONFIG_HZ; +#endif + seq_printf(f, "cpu\t\t\t: Alpha\n" "cpu model\t\t: %s\n" "cpu variation\t\t: %ld\n" @@ -1244,8 +1261,7 @@ show_cpuinfo(struct seq_file *f, void *slot) (char*)hwrpb->ssn, est_cycle_freq ? : hwrpb->cycle_freq, est_cycle_freq ? "est." : "", - hwrpb->intr_freq / 4096, - (100 * hwrpb->intr_freq / 4096) % 100, + timer_freq / 100, timer_freq % 100, hwrpb->pagesize, hwrpb->pa_bits, hwrpb->max_asn, diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 6f7feb5db27..6cec2881acb 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -34,9 +34,6 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) asmlinkage void ret_from_sys_call(void); -static void do_signal(struct pt_regs *, struct switch_stack *, - unsigned long, unsigned long); - /* * The OSF/1 sigprocmask calling sequence is different from the @@ -116,30 +113,6 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, } /* - * Atomically swap in the new signal mask, and wait for a signal. - */ -SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask) -{ - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); - return -ERESTARTNOHAND; -} - -asmlinkage int -sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} - -/* * Do a signal return; undo the signal stack. */ @@ -171,10 +144,10 @@ extern char compile_time_assert #define INSN_CALLSYS 0x00000083 static long -restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, - struct switch_stack *sw) +restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs) { unsigned long usp; + struct switch_stack *sw = (struct switch_stack *)regs - 1; long i, err = __get_user(regs->pc, &sc->sc_pc); current_thread_info()->restart_block.fn = do_no_restart_syscall; @@ -226,9 +199,9 @@ restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, registers and transfer control from userland. */ asmlinkage void -do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, - struct switch_stack *sw) +do_sigreturn(struct sigcontext __user *sc) { + struct pt_regs *regs = current_pt_regs(); sigset_t set; /* Verify that it's a good sigcontext before using it */ @@ -237,13 +210,9 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, if (__get_user(set.sig[0], &sc->sc_mask)) goto give_sigsegv; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); - if (restore_sigcontext(sc, regs, sw)) + if (restore_sigcontext(sc, regs)) goto give_sigsegv; /* Send SIGTRAP if we're single-stepping: */ @@ -264,9 +233,9 @@ give_sigsegv: } asmlinkage void -do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs, - struct switch_stack *sw) +do_rt_sigreturn(struct rt_sigframe __user *frame) { + struct pt_regs *regs = current_pt_regs(); sigset_t set; /* Verify that it's a good ucontext_t before using it */ @@ -275,13 +244,9 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto give_sigsegv; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); - if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw)) + if (restore_sigcontext(&frame->uc.uc_mcontext, regs)) goto give_sigsegv; /* Send SIGTRAP if we're single-stepping: */ @@ -307,18 +272,16 @@ give_sigsegv: */ static inline void __user * -get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size) +get_sigframe(struct ksignal *ksig, unsigned long sp, size_t frame_size) { - if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp)) - sp = current->sas_ss_sp + current->sas_ss_size; - - return (void __user *)((sp - frame_size) & -32ul); + return (void __user *)((sigsp(sp, ksig) - frame_size) & -32ul); } static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, - struct switch_stack *sw, unsigned long mask, unsigned long sp) + unsigned long mask, unsigned long sp) { + struct switch_stack *sw = (struct switch_stack *)regs - 1; long i, err = 0; err |= __put_user(on_sig_stack((unsigned long)sc), &sc->sc_onstack); @@ -372,26 +335,24 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, } static int -setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, - struct pt_regs *regs, struct switch_stack * sw) +setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { unsigned long oldsp, r26, err = 0; struct sigframe __user *frame; oldsp = rdusp(); - frame = get_sigframe(ka, oldsp, sizeof(*frame)); + frame = get_sigframe(ksig, oldsp, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; + return -EFAULT; - err |= setup_sigcontext(&frame->sc, regs, sw, set->sig[0], oldsp); + err |= setup_sigcontext(&frame->sc, regs, set->sig[0], oldsp); if (err) - goto give_sigsegv; + return -EFAULT; /* Set up to return from userspace. If provided, use a stub already in userspace. */ - if (ka->ka_restorer) { - r26 = (unsigned long) ka->ka_restorer; - } else { + r26 = (unsigned long) ksig->ka.ka_restorer; + if (!r26) { err |= __put_user(INSN_MOV_R30_R16, frame->retcode+0); err |= __put_user(INSN_LDI_R0+__NR_sigreturn, frame->retcode+1); err |= __put_user(INSN_CALLSYS, frame->retcode+2); @@ -401,12 +362,12 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, /* Check that everything was written properly. */ if (err) - goto give_sigsegv; + return err; /* "Return" to the handler */ regs->r26 = r26; - regs->r27 = regs->pc = (unsigned long) ka->sa.sa_handler; - regs->r16 = sig; /* a0: signal number */ + regs->r27 = regs->pc = (unsigned long) ksig->ka.sa.sa_handler; + regs->r16 = ksig->sig; /* a0: signal number */ regs->r17 = 0; /* a1: exception code */ regs->r18 = (unsigned long) &frame->sc; /* a2: sigcontext pointer */ wrusp((unsigned long) frame); @@ -415,46 +376,37 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n", current->comm, current->pid, frame, regs->pc, regs->r26); #endif - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; } static int -setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs, struct switch_stack * sw) +setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { unsigned long oldsp, r26, err = 0; struct rt_sigframe __user *frame; oldsp = rdusp(); - frame = get_sigframe(ka, oldsp, sizeof(*frame)); + frame = get_sigframe(ksig, oldsp, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; + return -EFAULT; - err |= copy_siginfo_to_user(&frame->info, info); + err |= copy_siginfo_to_user(&frame->info, &ksig->info); /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); err |= __put_user(set->sig[0], &frame->uc.uc_osf_sigmask); - err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(oldsp), &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, sw, + err |= __save_altstack(&frame->uc.uc_stack, oldsp); + err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0], oldsp); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) - goto give_sigsegv; + return -EFAULT; /* Set up to return from userspace. If provided, use a stub already in userspace. */ - if (ka->ka_restorer) { - r26 = (unsigned long) ka->ka_restorer; - } else { + r26 = (unsigned long) ksig->ka.ka_restorer; + if (!r26) { err |= __put_user(INSN_MOV_R30_R16, frame->retcode+0); err |= __put_user(INSN_LDI_R0+__NR_rt_sigreturn, frame->retcode+1); @@ -464,12 +416,12 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, } if (err) - goto give_sigsegv; + return -EFAULT; /* "Return" to the handler */ regs->r26 = r26; - regs->r27 = regs->pc = (unsigned long) ka->sa.sa_handler; - regs->r16 = sig; /* a0: signal number */ + regs->r27 = regs->pc = (unsigned long) ksig->ka.sa.sa_handler; + regs->r16 = ksig->sig; /* a0: signal number */ regs->r17 = (unsigned long) &frame->info; /* a1: siginfo pointer */ regs->r18 = (unsigned long) &frame->uc; /* a2: ucontext pointer */ wrusp((unsigned long) frame); @@ -480,37 +432,24 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, #endif return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; } /* * OK, we're invoking a handler. */ -static inline int -handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs * regs, struct switch_stack *sw) +static inline void +handle_signal(struct ksignal *ksig, struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; - if (ka->sa.sa_flags & SA_SIGINFO) - ret = setup_rt_frame(sig, ka, info, oldset, regs, sw); + if (ksig->ka.sa.sa_flags & SA_SIGINFO) + ret = setup_rt_frame(ksig, oldset, regs); else - ret = setup_frame(sig, ka, oldset, regs, sw); - - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } + ret = setup_frame(ksig, oldset, regs); - return ret; + signal_setup_done(ret, ksig, 0); } static inline void @@ -551,83 +490,62 @@ syscall_restart(unsigned long r0, unsigned long r19, * all (if we get here from anything but a syscall return, it will be 0) */ static void -do_signal(struct pt_regs * regs, struct switch_stack * sw, - unsigned long r0, unsigned long r19) +do_signal(struct pt_regs *regs, unsigned long r0, unsigned long r19) { - siginfo_t info; - int signr; unsigned long single_stepping = ptrace_cancel_bpt(current); - struct k_sigaction ka; - sigset_t *oldset; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; + struct ksignal ksig; /* This lets the debugger run, ... */ - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - - /* ... so re-check the single stepping. */ - single_stepping |= ptrace_cancel_bpt(current); - - if (signr > 0) { + if (get_signal(&ksig)) { + /* ... so re-check the single stepping. */ + single_stepping |= ptrace_cancel_bpt(current); /* Whee! Actually deliver the signal. */ if (r0) - syscall_restart(r0, r19, regs, &ka); - if (handle_signal(signr, &ka, &info, oldset, regs, sw) == 0) { - /* A signal was successfully delivered, and the - saved sigmask was stored on the signal frame, - and will be restored by sigreturn. So we can - simply clear the restore sigmask flag. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - if (single_stepping) - ptrace_set_bpt(current); /* re-set bpt */ - return; - } - - if (r0) { - switch (regs->r0) { - case ERESTARTNOHAND: - case ERESTARTSYS: - case ERESTARTNOINTR: - /* Reset v0 and a3 and replay syscall. */ - regs->r0 = r0; - regs->r19 = r19; - regs->pc -= 4; - break; - case ERESTART_RESTARTBLOCK: - /* Force v0 to the restart syscall and reply. */ - regs->r0 = __NR_restart_syscall; - regs->pc -= 4; - break; + syscall_restart(r0, r19, regs, &ksig.ka); + handle_signal(&ksig, regs); + } else { + single_stepping |= ptrace_cancel_bpt(current); + if (r0) { + switch (regs->r0) { + case ERESTARTNOHAND: + case ERESTARTSYS: + case ERESTARTNOINTR: + /* Reset v0 and a3 and replay syscall. */ + regs->r0 = r0; + regs->r19 = r19; + regs->pc -= 4; + break; + case ERESTART_RESTARTBLOCK: + /* Set v0 to the restart_syscall and replay */ + regs->r0 = __NR_restart_syscall; + regs->pc -= 4; + break; + } } + restore_saved_sigmask(); } - - /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - if (single_stepping) ptrace_set_bpt(current); /* re-set breakpoint */ } void -do_notify_resume(struct pt_regs *regs, struct switch_stack *sw, - unsigned long thread_info_flags, +do_work_pending(struct pt_regs *regs, unsigned long thread_flags, unsigned long r0, unsigned long r19) { - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) - do_signal(regs, sw, r0, r19); - - if (thread_info_flags & _TIF_NOTIFY_RESUME) { - clear_thread_flag(TIF_NOTIFY_RESUME); - tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); - } + do { + if (thread_flags & _TIF_NEED_RESCHED) { + schedule(); + } else { + local_irq_enable(); + if (thread_flags & _TIF_SIGPENDING) { + do_signal(regs, r0, r19); + r0 = 0; + } else { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } + } + local_irq_disable(); + thread_flags = current_thread_info()->flags; + } while (thread_flags & _TIF_WORK_MASK); } diff --git a/arch/alpha/kernel/smc37c669.c b/arch/alpha/kernel/smc37c669.c index 0435921d41c..c803fc76ae4 100644 --- a/arch/alpha/kernel/smc37c669.c +++ b/arch/alpha/kernel/smc37c669.c @@ -933,18 +933,6 @@ void SMC37c669_display_device_info( * *-- */ -#if 0 -/* $INCLUDE_OPTIONS$ */ -#include "cp$inc:platform_io.h" -/* $INCLUDE_OPTIONS_END$ */ -#include "cp$src:common.h" -#include "cp$inc:prototypes.h" -#include "cp$src:kernel_def.h" -#include "cp$src:msg_def.h" -#include "cp$src:smcc669_def.h" -/* Platform-specific includes */ -#include "cp$src:platform.h" -#endif #ifndef TRUE #define TRUE 1 diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 4087a569b43..99ac36d5de4 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -68,7 +68,7 @@ enum ipi_message_type { }; /* Set to a secondary's cpuid when it comes online. */ -static int smp_secondary_alive __devinitdata = 0; +static int smp_secondary_alive = 0; int smp_num_probed; /* Internal processor count */ int smp_num_cpus = 1; /* Number that came online. */ @@ -116,7 +116,7 @@ wait_boot_cpu_to_stop(int cpuid) /* * Where secondaries begin a life of C. */ -void __cpuinit +void smp_callin(void) { int cpuid = hard_smp_processor_id(); @@ -138,9 +138,11 @@ smp_callin(void) /* Get our local ticker going. */ smp_setup_percpu_timer(cpuid); + init_clockevent(); /* Call platform-specific callin, if specified */ - if (alpha_mv.smp_callin) alpha_mv.smp_callin(); + if (alpha_mv.smp_callin) + alpha_mv.smp_callin(); /* All kernel threads share the same mm context. */ atomic_inc(&init_mm.mm_count); @@ -166,12 +168,12 @@ smp_callin(void) DBGS(("smp_callin: commencing CPU %d current %p active_mm %p\n", cpuid, current, current->active_mm)); - /* Do nothing. */ - cpu_idle(); + preempt_disable(); + cpu_startup_entry(CPUHP_ONLINE); } /* Wait until hwrpb->txrdy is clear for cpu. Return -1 on timeout. */ -static int __devinit +static int wait_for_txrdy (unsigned long cpumask) { unsigned long timeout; @@ -194,7 +196,7 @@ wait_for_txrdy (unsigned long cpumask) * Send a message to a secondary's console. "START" is one such * interesting message. ;-) */ -static void __cpuinit +static void send_secondary_console_msg(char *str, int cpuid) { struct percpu_struct *cpu; @@ -264,9 +266,10 @@ recv_secondary_console_msg(void) if (cnt <= 0 || cnt >= 80) strcpy(buf, "<<< BOGUS MSG >>>"); else { - cp1 = (char *) &cpu->ipc_buffer[11]; + cp1 = (char *) &cpu->ipc_buffer[1]; cp2 = buf; - strcpy(cp2, cp1); + memcpy(cp2, cp1, cnt); + cp2[cnt] = '\0'; while ((cp2 = strchr(cp2, '\r')) != 0) { *cp2 = ' '; @@ -285,7 +288,7 @@ recv_secondary_console_msg(void) /* * Convince the console to have a secondary cpu begin execution. */ -static int __cpuinit +static int secondary_cpu_start(int cpuid, struct task_struct *idle) { struct percpu_struct *cpu; @@ -356,25 +359,11 @@ secondary_cpu_start(int cpuid, struct task_struct *idle) /* * Bring one cpu online. */ -static int __cpuinit -smp_boot_one_cpu(int cpuid) +static int +smp_boot_one_cpu(int cpuid, struct task_struct *idle) { - struct task_struct *idle; unsigned long timeout; - /* Cook up an idler for this guy. Note that the address we - give to kernel_thread is irrelevant -- it's going to start - where HWRPB.CPU_restart says to start. But this gets all - the other task-y sort of data structures set up like we - wish. We can't use kernel_thread since we must avoid - rescheduling the child. */ - idle = fork_idle(cpuid); - if (IS_ERR(idle)) - panic("failed fork for CPU %d", cpuid); - - DBGS(("smp_boot_one_cpu: CPU %d state 0x%lx flags 0x%lx\n", - cpuid, idle->state, idle->flags)); - /* Signal the secondary to wait a moment. */ smp_secondary_alive = -1; @@ -450,7 +439,7 @@ setup_smp(void) smp_num_probed = 1; } - printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_map = %lx\n", + printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_mask = %lx\n", smp_num_probed, cpumask_bits(cpu_present_mask)[0]); } @@ -481,15 +470,15 @@ smp_prepare_cpus(unsigned int max_cpus) smp_num_cpus = smp_num_probed; } -void __devinit +void smp_prepare_boot_cpu(void) { } -int __cpuinit -__cpu_up(unsigned int cpu) +int +__cpu_up(unsigned int cpu, struct task_struct *tidle) { - smp_boot_one_cpu(cpu); + smp_boot_one_cpu(cpu, tidle); return cpu_online(cpu) ? 0 : -ENOSYS; } @@ -511,35 +500,6 @@ smp_cpus_done(unsigned int max_cpus) ((bogosum + 2500) / (5000/HZ)) % 100); } - -void -smp_percpu_timer_interrupt(struct pt_regs *regs) -{ - struct pt_regs *old_regs; - int cpu = smp_processor_id(); - unsigned long user = user_mode(regs); - struct cpuinfo_alpha *data = &cpu_data[cpu]; - - old_regs = set_irq_regs(regs); - - /* Record kernel PC. */ - profile_tick(CPU_PROFILING); - - if (!--data->prof_counter) { - /* We need to make like a normal interrupt -- otherwise - timer interrupts ignore the global interrupt lock, - which would be a Bad Thing. */ - irq_enter(); - - update_process_times(user); - - data->prof_counter = data->prof_multiplier; - - irq_exit(); - } - set_irq_regs(old_regs); -} - int setup_profiling_timer(unsigned int multiplier) { diff --git a/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c index b9fc6c309d2..ffe996a54fa 100644 --- a/arch/alpha/kernel/srm_env.c +++ b/arch/alpha/kernel/srm_env.c @@ -51,13 +51,11 @@ MODULE_LICENSE("GPL"); typedef struct _srm_env { char *name; unsigned long id; - struct proc_dir_entry *proc_entry; } srm_env_t; static struct proc_dir_entry *base_dir; static struct proc_dir_entry *named_dir; static struct proc_dir_entry *numbered_dir; -static char number[256][4]; static srm_env_t srm_named_entries[] = { { "auto_action", ENV_AUTO_ACTION }, @@ -77,21 +75,18 @@ static srm_env_t srm_named_entries[] = { { "tty_dev", ENV_TTY_DEV }, { NULL, 0 }, }; -static srm_env_t srm_numbered_entries[256]; - static int srm_env_proc_show(struct seq_file *m, void *v) { unsigned long ret; - srm_env_t *entry; + unsigned long id = (unsigned long)m->private; char *page; - entry = m->private; page = (char *)__get_free_page(GFP_USER); if (!page) return -ENOMEM; - ret = callback_getenv(entry->id, page, PAGE_SIZE); + ret = callback_getenv(id, page, PAGE_SIZE); if ((ret >> 61) == 0) { seq_write(m, page, ret); @@ -104,14 +99,14 @@ static int srm_env_proc_show(struct seq_file *m, void *v) static int srm_env_proc_open(struct inode *inode, struct file *file) { - return single_open(file, srm_env_proc_show, PDE(inode)->data); + return single_open(file, srm_env_proc_show, PDE_DATA(inode)); } static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { int res; - srm_env_t *entry = PDE(file->f_path.dentry->d_inode)->data; + unsigned long id = (unsigned long)PDE_DATA(file_inode(file)); char *buf = (char *) __get_free_page(GFP_USER); unsigned long ret1, ret2; @@ -127,7 +122,7 @@ static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer, goto out; buf[count] = '\0'; - ret1 = callback_setenv(entry->id, buf, count); + ret1 = callback_setenv(id, buf, count); if ((ret1 >> 61) == 0) { do ret2 = callback_save_env(); @@ -149,52 +144,6 @@ static const struct file_operations srm_env_proc_fops = { .write = srm_env_proc_write, }; -static void -srm_env_cleanup(void) -{ - srm_env_t *entry; - unsigned long var_num; - - if (base_dir) { - /* - * Remove named entries - */ - if (named_dir) { - entry = srm_named_entries; - while (entry->name != NULL && entry->id != 0) { - if (entry->proc_entry) { - remove_proc_entry(entry->name, - named_dir); - entry->proc_entry = NULL; - } - entry++; - } - remove_proc_entry(NAMED_DIR, base_dir); - } - - /* - * Remove numbered entries - */ - if (numbered_dir) { - for (var_num = 0; var_num <= 255; var_num++) { - entry = &srm_numbered_entries[var_num]; - - if (entry->proc_entry) { - remove_proc_entry(entry->name, - numbered_dir); - entry->proc_entry = NULL; - entry->name = NULL; - } - } - remove_proc_entry(NUMBERED_DIR, base_dir); - } - - remove_proc_entry(BASE_DIR, NULL); - } - - return; -} - static int __init srm_env_init(void) { @@ -213,19 +162,13 @@ srm_env_init(void) } /* - * Init numbers - */ - for (var_num = 0; var_num <= 255; var_num++) - sprintf(number[var_num], "%ld", var_num); - - /* * Create base directory */ base_dir = proc_mkdir(BASE_DIR, NULL); if (!base_dir) { printk(KERN_ERR "Couldn't create base dir /proc/%s\n", BASE_DIR); - goto cleanup; + return -ENOMEM; } /* @@ -254,9 +197,8 @@ srm_env_init(void) */ entry = srm_named_entries; while (entry->name && entry->id) { - entry->proc_entry = proc_create_data(entry->name, 0644, named_dir, - &srm_env_proc_fops, entry); - if (!entry->proc_entry) + if (!proc_create_data(entry->name, 0644, named_dir, + &srm_env_proc_fops, (void *)entry->id)) goto cleanup; entry++; } @@ -265,15 +207,11 @@ srm_env_init(void) * Create all numbered nodes */ for (var_num = 0; var_num <= 255; var_num++) { - entry = &srm_numbered_entries[var_num]; - entry->name = number[var_num]; - - entry->proc_entry = proc_create_data(entry->name, 0644, numbered_dir, - &srm_env_proc_fops, entry); - if (!entry->proc_entry) + char name[4]; + sprintf(name, "%ld", var_num); + if (!proc_create_data(name, 0644, numbered_dir, + &srm_env_proc_fops, (void *)var_num)) goto cleanup; - - entry->id = var_num; } printk(KERN_INFO "%s: version %s loaded successfully\n", NAME, @@ -282,18 +220,15 @@ srm_env_init(void) return 0; cleanup: - srm_env_cleanup(); - + remove_proc_subtree(BASE_DIR, NULL); return -ENOMEM; } static void __exit srm_env_exit(void) { - srm_env_cleanup(); + remove_proc_subtree(BASE_DIR, NULL); printk(KERN_INFO "%s: unloaded successfully\n", NAME); - - return; } module_init(srm_env_init); diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index 783f4e50c11..6f01d9ad7b8 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -30,10 +30,9 @@ static int srm_is_registered_console = 0; #define MAX_SRM_CONSOLE_DEVICES 1 /* only support 1 console device */ struct srmcons_private { - struct tty_struct *tty; + struct tty_port port; struct timer_list timer; - spinlock_t lock; -}; +} srmcons_singleton; typedef union _srmcons_result { struct { @@ -45,7 +44,7 @@ typedef union _srmcons_result { /* called with callback_lock held */ static int -srmcons_do_receive_chars(struct tty_struct *tty) +srmcons_do_receive_chars(struct tty_port *port) { srmcons_result result; int count = 0, loops = 0; @@ -53,13 +52,13 @@ srmcons_do_receive_chars(struct tty_struct *tty) do { result.as_long = callback_getc(0); if (result.bits.status < 2) { - tty_insert_flip_char(tty, (char)result.bits.c, 0); + tty_insert_flip_char(port, (char)result.bits.c, 0); count++; } } while((result.bits.status & 1) && (++loops < 10)); if (count) - tty_schedule_flip(tty); + tty_schedule_flip(port); return count; } @@ -68,29 +67,28 @@ static void srmcons_receive_chars(unsigned long data) { struct srmcons_private *srmconsp = (struct srmcons_private *)data; + struct tty_port *port = &srmconsp->port; unsigned long flags; int incr = 10; local_irq_save(flags); if (spin_trylock(&srmcons_callback_lock)) { - if (!srmcons_do_receive_chars(srmconsp->tty)) + if (!srmcons_do_receive_chars(port)) incr = 100; spin_unlock(&srmcons_callback_lock); } - spin_lock(&srmconsp->lock); - if (srmconsp->tty) { - srmconsp->timer.expires = jiffies + incr; - add_timer(&srmconsp->timer); - } - spin_unlock(&srmconsp->lock); + spin_lock(&port->lock); + if (port->tty) + mod_timer(&srmconsp->timer, jiffies + incr); + spin_unlock(&port->lock); local_irq_restore(flags); } /* called with callback_lock held */ static int -srmcons_do_write(struct tty_struct *tty, const char *buf, int count) +srmcons_do_write(struct tty_port *port, const char *buf, int count) { static char str_cr[1] = "\r"; long c, remaining = count; @@ -115,10 +113,10 @@ srmcons_do_write(struct tty_struct *tty, const char *buf, int count) cur += result.bits.c; /* - * Check for pending input iff a tty was provided + * Check for pending input iff a tty port was provided */ - if (tty) - srmcons_do_receive_chars(tty); + if (port) + srmcons_do_receive_chars(port); } while (need_cr) { @@ -137,7 +135,7 @@ srmcons_write(struct tty_struct *tty, unsigned long flags; spin_lock_irqsave(&srmcons_callback_lock, flags); - srmcons_do_write(tty, (const char *) buf, count); + srmcons_do_write(tty->port, (const char *) buf, count); spin_unlock_irqrestore(&srmcons_callback_lock, flags); return count; @@ -156,56 +154,22 @@ srmcons_chars_in_buffer(struct tty_struct *tty) } static int -srmcons_get_private_struct(struct srmcons_private **ps) -{ - static struct srmcons_private *srmconsp = NULL; - static DEFINE_SPINLOCK(srmconsp_lock); - unsigned long flags; - int retval = 0; - - if (srmconsp == NULL) { - srmconsp = kmalloc(sizeof(*srmconsp), GFP_KERNEL); - spin_lock_irqsave(&srmconsp_lock, flags); - - if (srmconsp == NULL) - retval = -ENOMEM; - else { - srmconsp->tty = NULL; - spin_lock_init(&srmconsp->lock); - init_timer(&srmconsp->timer); - } - - spin_unlock_irqrestore(&srmconsp_lock, flags); - } - - *ps = srmconsp; - return retval; -} - -static int srmcons_open(struct tty_struct *tty, struct file *filp) { - struct srmcons_private *srmconsp; + struct srmcons_private *srmconsp = &srmcons_singleton; + struct tty_port *port = &srmconsp->port; unsigned long flags; - int retval; - - retval = srmcons_get_private_struct(&srmconsp); - if (retval) - return retval; - spin_lock_irqsave(&srmconsp->lock, flags); + spin_lock_irqsave(&port->lock, flags); - if (!srmconsp->tty) { + if (!port->tty) { tty->driver_data = srmconsp; - - srmconsp->tty = tty; - srmconsp->timer.function = srmcons_receive_chars; - srmconsp->timer.data = (unsigned long)srmconsp; - srmconsp->timer.expires = jiffies + 10; - add_timer(&srmconsp->timer); + tty->port = port; + port->tty = tty; /* XXX proper refcounting */ + mod_timer(&srmconsp->timer, jiffies + 10); } - spin_unlock_irqrestore(&srmconsp->lock, flags); + spin_unlock_irqrestore(&port->lock, flags); return 0; } @@ -214,16 +178,17 @@ static void srmcons_close(struct tty_struct *tty, struct file *filp) { struct srmcons_private *srmconsp = tty->driver_data; + struct tty_port *port = &srmconsp->port; unsigned long flags; - spin_lock_irqsave(&srmconsp->lock, flags); + spin_lock_irqsave(&port->lock, flags); if (tty->count == 1) { - srmconsp->tty = NULL; + port->tty = NULL; del_timer(&srmconsp->timer); } - spin_unlock_irqrestore(&srmconsp->lock, flags); + spin_unlock_irqrestore(&port->lock, flags); } @@ -240,6 +205,8 @@ static const struct tty_operations srmcons_ops = { static int __init srmcons_init(void) { + setup_timer(&srmcons_singleton.timer, srmcons_receive_chars, + (unsigned long)&srmcons_singleton); if (srm_is_registered_console) { struct tty_driver *driver; int err; @@ -247,6 +214,9 @@ srmcons_init(void) driver = alloc_tty_driver(MAX_SRM_CONSOLE_DEVICES); if (!driver) return -ENOMEM; + + tty_port_init(&srmcons_singleton.port); + driver->driver_name = "srm"; driver->name = "srm"; driver->major = 0; /* dynamic */ @@ -255,9 +225,11 @@ srmcons_init(void) driver->subtype = SYSTEM_TYPE_SYSCONS; driver->init_termios = tty_std_termios; tty_set_operations(driver, &srmcons_ops); + tty_port_link_device(&srmcons_singleton.port, driver, 0); err = tty_register_driver(driver); if (err) { put_tty_driver(driver); + tty_port_destroy(&srmcons_singleton.port); return err; } srmcons_driver = driver; diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c index 8606d77e516..118dc6af180 100644 --- a/arch/alpha/kernel/sys_alcor.c +++ b/arch/alpha/kernel/sys_alcor.c @@ -18,7 +18,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/dma.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c index 1029619fb6c..4c50f8f40cb 100644 --- a/arch/alpha/kernel/sys_cabriolet.c +++ b/arch/alpha/kernel/sys_cabriolet.c @@ -18,7 +18,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index bb7f0c7cb17..6c35159bc00 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -21,7 +21,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -191,9 +190,6 @@ static struct irq_chip clipper_irq_type = { static void dp264_device_interrupt(unsigned long vector) { -#if 1 - printk("dp264_device_interrupt: NOT IMPLEMENTED YET!!\n"); -#else unsigned long pld; unsigned int i; @@ -211,12 +207,7 @@ dp264_device_interrupt(unsigned long vector) isa_device_interrupt(vector); else handle_irq(16 + i); -#if 0 - TSUNAMI_cchip->dir0.csr = 1UL << i; mb(); - tmp = TSUNAMI_cchip->dir0.csr; -#endif } -#endif } static void @@ -366,7 +357,7 @@ clipper_init_irq(void) */ static int __init -isa_irq_fixup(struct pci_dev *dev, int irq) +isa_irq_fixup(const struct pci_dev *dev, int irq) { u8 irq8; diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c index 3c6c13cd8b1..ad40a425e84 100644 --- a/arch/alpha/kernel/sys_eb64p.c +++ b/arch/alpha/kernel/sys_eb64p.c @@ -17,7 +17,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c index 35f480db771..79d69d7f63f 100644 --- a/arch/alpha/kernel/sys_eiger.c +++ b/arch/alpha/kernel/sys_eiger.c @@ -18,7 +18,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c index 7f1a87f176e..608f2a7fa0a 100644 --- a/arch/alpha/kernel/sys_jensen.c +++ b/arch/alpha/kernel/sys_jensen.c @@ -15,7 +15,6 @@ #include <linux/init.h> #include <asm/ptrace.h> -#include <asm/system.h> #define __EXTERN_INLINE inline #include <asm/io.h> @@ -225,8 +224,6 @@ struct alpha_machine_vector jensen_mv __initmv = { .machine_check = jensen_machine_check, .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, .rtc_port = 0x170, - .rtc_get_time = common_get_rtc_time, - .rtc_set_time = common_set_rtc_time, .nr_irqs = 16, .device_interrupt = jensen_device_interrupt, diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c index 95cfc83ece8..f21d61fab67 100644 --- a/arch/alpha/kernel/sys_marvel.c +++ b/arch/alpha/kernel/sys_marvel.c @@ -13,7 +13,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -23,7 +22,6 @@ #include <asm/hwrpb.h> #include <asm/tlbflush.h> #include <asm/vga.h> -#include <asm/rtc.h> #include "proto.h" #include "err_impl.h" @@ -318,8 +316,9 @@ marvel_init_irq(void) } static int -marvel_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +marvel_map_irq(const struct pci_dev *cdev, u8 slot, u8 pin) { + struct pci_dev *dev = (struct pci_dev *)cdev; struct pci_controller *hose = dev->sysdata; struct io7_port *io7_port = hose->sysdata; struct io7 *io7 = io7_port->io7; @@ -384,7 +383,8 @@ marvel_init_pci(void) marvel_register_error_handlers(); - pci_probe_only = 1; + /* Indicate that we trust the console to configure things properly */ + pci_set_flags(PCI_PROBE_ONLY); common_init_pci(); locate_and_init_vga(NULL); @@ -399,57 +399,6 @@ marvel_init_rtc(void) init_rtc_irq(); } -struct marvel_rtc_time { - struct rtc_time *time; - int retval; -}; - -#ifdef CONFIG_SMP -static void -smp_get_rtc_time(void *data) -{ - struct marvel_rtc_time *mrt = data; - mrt->retval = __get_rtc_time(mrt->time); -} - -static void -smp_set_rtc_time(void *data) -{ - struct marvel_rtc_time *mrt = data; - mrt->retval = __set_rtc_time(mrt->time); -} -#endif - -static unsigned int -marvel_get_rtc_time(struct rtc_time *time) -{ -#ifdef CONFIG_SMP - struct marvel_rtc_time mrt; - - if (smp_processor_id() != boot_cpuid) { - mrt.time = time; - smp_call_function_single(boot_cpuid, smp_get_rtc_time, &mrt, 1); - return mrt.retval; - } -#endif - return __get_rtc_time(time); -} - -static int -marvel_set_rtc_time(struct rtc_time *time) -{ -#ifdef CONFIG_SMP - struct marvel_rtc_time mrt; - - if (smp_processor_id() != boot_cpuid) { - mrt.time = time; - smp_call_function_single(boot_cpuid, smp_set_rtc_time, &mrt, 1); - return mrt.retval; - } -#endif - return __set_rtc_time(time); -} - static void marvel_smp_callin(void) { @@ -491,8 +440,7 @@ struct alpha_machine_vector marvel_ev7_mv __initmv = { .vector_name = "MARVEL/EV7", DO_EV7_MMU, .rtc_port = 0x70, - .rtc_get_time = marvel_get_rtc_time, - .rtc_set_time = marvel_set_rtc_time, + .rtc_boot_cpu_only = 1, DO_MARVEL_IO, .machine_check = marvel_machine_check, .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c index 258da684670..d5b9776a608 100644 --- a/arch/alpha/kernel/sys_miata.c +++ b/arch/alpha/kernel/sys_miata.c @@ -17,7 +17,6 @@ #include <linux/reboot.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c index c0fd7284dec..5e82dc1ad6f 100644 --- a/arch/alpha/kernel/sys_mikasa.c +++ b/arch/alpha/kernel/sys_mikasa.c @@ -17,7 +17,7 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> +#include <asm/mce.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index 4112200307c..837c0fa5831 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -35,7 +35,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -186,9 +185,12 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr) mb(); } -extern void free_reserved_mem(void *, void *); extern void pcibios_claim_one_bus(struct pci_bus *); +static struct resource irongate_io = { + .name = "Irongate PCI IO", + .flags = IORESOURCE_IO, +}; static struct resource irongate_mem = { .name = "Irongate PCI MEM", .flags = IORESOURCE_MEM, @@ -210,6 +212,7 @@ nautilus_init_pci(void) irongate = pci_get_bus_and_slot(0, 0); bus->self = irongate; + bus->resource[0] = &irongate_io; bus->resource[1] = &irongate_mem; pci_bus_size_bridges(bus); @@ -235,8 +238,8 @@ nautilus_init_pci(void) if (pci_mem < memtop) memtop = pci_mem; if (memtop > alpha_mv.min_mem_address) { - free_reserved_mem(__va(alpha_mv.min_mem_address), - __va(memtop)); + free_reserved_area(__va(alpha_mv.min_mem_address), + __va(memtop), -1, NULL); printk("nautilus_init_pci: %ldk freed\n", (memtop - alpha_mv.min_mem_address) >> 10); } diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c index 21725283cdd..063e594fd96 100644 --- a/arch/alpha/kernel/sys_noritake.c +++ b/arch/alpha/kernel/sys_noritake.c @@ -18,7 +18,7 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> +#include <asm/mce.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_rawhide.c b/arch/alpha/kernel/sys_rawhide.c index a125d6bea7e..dfd510ae5d8 100644 --- a/arch/alpha/kernel/sys_rawhide.c +++ b/arch/alpha/kernel/sys_rawhide.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c index 2581cbec6fc..a3f48525717 100644 --- a/arch/alpha/kernel/sys_ruffian.c +++ b/arch/alpha/kernel/sys_ruffian.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c index b172b27555a..08ee737d4fb 100644 --- a/arch/alpha/kernel/sys_rx164.c +++ b/arch/alpha/kernel/sys_rx164.c @@ -17,7 +17,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index 98d1dbffe98..8a0aa6d67b5 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c index 47bec1e97d1..febd24eba7a 100644 --- a/arch/alpha/kernel/sys_sio.c +++ b/arch/alpha/kernel/sys_sio.c @@ -20,7 +20,6 @@ #include <asm/compiler.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_sx164.c b/arch/alpha/kernel/sys_sx164.c index 73e1c317afc..d063b360efe 100644 --- a/arch/alpha/kernel/sys_sx164.c +++ b/arch/alpha/kernel/sys_sx164.c @@ -17,7 +17,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -26,6 +25,7 @@ #include <asm/core_cia.h> #include <asm/hwrpb.h> #include <asm/tlbflush.h> +#include <asm/special_insns.h> #include "proto.h" #include "irq_impl.h" diff --git a/arch/alpha/kernel/sys_takara.c b/arch/alpha/kernel/sys_takara.c index 2ae99ad6975..dd0f1eae3c6 100644 --- a/arch/alpha/kernel/sys_takara.c +++ b/arch/alpha/kernel/sys_takara.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index f47b30a2a11..a53cf03f49d 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -21,7 +21,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -281,15 +280,15 @@ titan_late_init(void) * all reported to the kernel as machine checks, so the handler * is a nop so it can be called to count the individual events. */ - titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(63+16, titan_intr_nop, 0, "CChip Error", NULL); - titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(62+16, titan_intr_nop, 0, "PChip 0 H_Error", NULL); - titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(61+16, titan_intr_nop, 0, "PChip 1 H_Error", NULL); - titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(60+16, titan_intr_nop, 0, "PChip 0 C_Error", NULL); - titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(59+16, titan_intr_nop, 0, "PChip 1 C_Error", NULL); /* @@ -304,7 +303,7 @@ titan_late_init(void) } -static int __devinit +static int titan_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { u8 intline; @@ -331,7 +330,8 @@ titan_init_pci(void) */ titan_late_init(); - pci_probe_only = 1; + /* Indicate that we trust the console to configure things properly */ + pci_set_flags(PCI_PROBE_ONLY); common_init_pci(); SMC669_Init(0); locate_and_init_vga(NULL); @@ -348,9 +348,9 @@ privateer_init_pci(void) * Hook a couple of extra err interrupts that the * common titan code won't. */ - titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(53+16, titan_intr_nop, 0, "NMI", NULL); - titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED, + titan_request_irq(50+16, titan_intr_nop, 0, "Temperature Warning", NULL); /* diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c index 17c85a65e7b..ee187488777 100644 --- a/arch/alpha/kernel/sys_wildfire.c +++ b/arch/alpha/kernel/sys_wildfire.c @@ -15,7 +15,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index e534e1c5bc1..dca9b3fb007 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -12,7 +12,7 @@ sys_call_table: .quad alpha_ni_syscall /* 0 */ .quad sys_exit - .quad sys_fork + .quad alpha_fork .quad sys_read .quad sys_write .quad alpha_ni_syscall /* 5 */ @@ -76,7 +76,7 @@ sys_call_table: .quad sys_getpgrp .quad sys_getpagesize .quad alpha_ni_syscall /* 65 */ - .quad sys_vfork + .quad alpha_vfork .quad sys_newstat .quad sys_newlstat .quad alpha_ni_syscall @@ -111,7 +111,7 @@ sys_call_table: .quad sys_socket .quad sys_connect .quad sys_accept - .quad osf_getpriority /* 100 */ + .quad sys_osf_getpriority /* 100 */ .quad sys_send .quad sys_recv .quad sys_sigreturn @@ -241,11 +241,11 @@ sys_call_table: .quad alpha_ni_syscall .quad alpha_ni_syscall .quad alpha_ni_syscall - .quad alpha_ni_syscall - .quad alpha_ni_syscall /* 225 */ - .quad alpha_ni_syscall - .quad alpha_ni_syscall - .quad alpha_ni_syscall + .quad sys_osf_stat + .quad sys_osf_lstat /* 225 */ + .quad sys_osf_fstat + .quad sys_osf_statfs64 + .quad sys_osf_fstatfs64 .quad alpha_ni_syscall .quad alpha_ni_syscall /* 230 */ .quad alpha_ni_syscall @@ -330,7 +330,7 @@ sys_call_table: .quad sys_ni_syscall /* 309: old get_kernel_syms */ .quad sys_syslog /* 310 */ .quad sys_reboot - .quad sys_clone + .quad alpha_clone .quad sys_uselib .quad sys_mlock .quad sys_munlock /* 315 */ @@ -522,6 +522,10 @@ sys_call_table: .quad sys_setns .quad sys_accept4 .quad sys_sendmmsg + .quad sys_process_vm_readv + .quad sys_process_vm_writev /* 505 */ + .quad sys_kcmp + .quad sys_finit_module .size sys_call_table, . - sys_call_table .type sys_call_table, @object diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index e336694ca04..ee39cee8064 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -3,13 +3,7 @@ * * Copyright (C) 1991, 1992, 1995, 1999, 2000 Linus Torvalds * - * This file contains the PC-specific time handling details: - * reading the RTC at bootup, etc.. - * 1994-07-02 Alan Modra - * fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime - * 1995-03-26 Markus Kuhn - * fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887 - * precision CMOS clock update + * This file contains the clocksource time handling. * 1997-09-10 Updated NTP code according to technical memorandum Jan '96 * "A Kernel Model for Precision Timekeeping" by Dave Mills * 1997-01-09 Adrian Sun @@ -21,9 +15,6 @@ * 1999-04-16 Thorsten Kranzkowski (dl8bcu@gmx.net) * fixed algorithm in do_gettimeofday() for calculating the precise time * from processor cycle counter (now taking lost_ticks into account) - * 2000-08-13 Jan-Benedict Glaw <jbglaw@lug-owl.de> - * Fixed time_init to be aware of epoches != 1900. This prevents - * booting up in 2048 for me;) Code is stolen from rtc.c. * 2003-06-03 R. Scott Bailey <scott.bailey@eds.com> * Tighten sanity in time_init from 1% (10,000 PPM) to 250 PPM */ @@ -46,40 +37,19 @@ #include <asm/uaccess.h> #include <asm/io.h> #include <asm/hwrpb.h> -#include <asm/rtc.h> #include <linux/mc146818rtc.h> #include <linux/time.h> #include <linux/timex.h> #include <linux/clocksource.h> +#include <linux/clockchips.h> #include "proto.h" #include "irq_impl.h" -static int set_rtc_mmss(unsigned long); - DEFINE_SPINLOCK(rtc_lock); EXPORT_SYMBOL(rtc_lock); -#define TICK_SIZE (tick_nsec / 1000) - -/* - * Shift amount by which scaled_ticks_per_cycle is scaled. Shifting - * by 48 gives us 16 bits for HZ while keeping the accuracy good even - * for large CPU clock rates. - */ -#define FIX_SHIFT 48 - -/* lump static variables together for more efficient access: */ -static struct { - /* cycle counter last time it got invoked */ - __u32 last_time; - /* ticks/cycle * 2^48 */ - unsigned long scaled_ticks_per_cycle; - /* partial unused tick */ - unsigned long partial_tick; -} state; - unsigned long est_cycle_freq; #ifdef CONFIG_IRQ_WORK @@ -105,114 +75,159 @@ void arch_irq_work_raise(void) static inline __u32 rpcc(void) { - __u32 result; - asm volatile ("rpcc %0" : "=r"(result)); - return result; + return __builtin_alpha_rpcc(); } -int update_persistent_clock(struct timespec now) -{ - return set_rtc_mmss(now.tv_sec); -} -void read_persistent_clock(struct timespec *ts) + +/* + * The RTC as a clock_event_device primitive. + */ + +static DEFINE_PER_CPU(struct clock_event_device, cpu_ce); + +irqreturn_t +rtc_timer_interrupt(int irq, void *dev) { - unsigned int year, mon, day, hour, min, sec, epoch; - - sec = CMOS_READ(RTC_SECONDS); - min = CMOS_READ(RTC_MINUTES); - hour = CMOS_READ(RTC_HOURS); - day = CMOS_READ(RTC_DAY_OF_MONTH); - mon = CMOS_READ(RTC_MONTH); - year = CMOS_READ(RTC_YEAR); - - if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - sec = bcd2bin(sec); - min = bcd2bin(min); - hour = bcd2bin(hour); - day = bcd2bin(day); - mon = bcd2bin(mon); - year = bcd2bin(year); - } + int cpu = smp_processor_id(); + struct clock_event_device *ce = &per_cpu(cpu_ce, cpu); - /* PC-like is standard; used for year >= 70 */ - epoch = 1900; - if (year < 20) - epoch = 2000; - else if (year >= 20 && year < 48) - /* NT epoch */ - epoch = 1980; - else if (year >= 48 && year < 70) - /* Digital UNIX epoch */ - epoch = 1952; + /* Don't run the hook for UNUSED or SHUTDOWN. */ + if (likely(ce->mode == CLOCK_EVT_MODE_PERIODIC)) + ce->event_handler(ce); - printk(KERN_INFO "Using epoch = %d\n", epoch); + if (test_irq_work_pending()) { + clear_irq_work_pending(); + irq_work_run(); + } - if ((year += epoch) < 1970) - year += 100; + return IRQ_HANDLED; +} - ts->tv_sec = mktime(year, mon, day, hour, min, sec); - ts->tv_nsec = 0; +static void +rtc_ce_set_mode(enum clock_event_mode mode, struct clock_event_device *ce) +{ + /* The mode member of CE is updated in generic code. + Since we only support periodic events, nothing to do. */ +} + +static int +rtc_ce_set_next_event(unsigned long evt, struct clock_event_device *ce) +{ + /* This hook is for oneshot mode, which we don't support. */ + return -EINVAL; } +static void __init +init_rtc_clockevent(void) +{ + int cpu = smp_processor_id(); + struct clock_event_device *ce = &per_cpu(cpu_ce, cpu); + + *ce = (struct clock_event_device){ + .name = "rtc", + .features = CLOCK_EVT_FEAT_PERIODIC, + .rating = 100, + .cpumask = cpumask_of(cpu), + .set_mode = rtc_ce_set_mode, + .set_next_event = rtc_ce_set_next_event, + }; + clockevents_config_and_register(ce, CONFIG_HZ, 0, 0); +} + /* - * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "xtime_update()" routine every clocktick + * The QEMU clock as a clocksource primitive. */ -irqreturn_t timer_interrupt(int irq, void *dev) + +static cycle_t +qemu_cs_read(struct clocksource *cs) { - unsigned long delta; - __u32 now; - long nticks; + return qemu_get_vmtime(); +} -#ifndef CONFIG_SMP - /* Not SMP, do kernel PC profiling here. */ - profile_tick(CPU_PROFILING); -#endif +static struct clocksource qemu_cs = { + .name = "qemu", + .rating = 400, + .read = qemu_cs_read, + .mask = CLOCKSOURCE_MASK(64), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .max_idle_ns = LONG_MAX +}; - /* - * Calculate how many ticks have passed since the last update, - * including any previous partial leftover. Save any resulting - * fraction for the next pass. - */ - now = rpcc(); - delta = now - state.last_time; - state.last_time = now; - delta = delta * state.scaled_ticks_per_cycle + state.partial_tick; - state.partial_tick = delta & ((1UL << FIX_SHIFT) - 1); - nticks = delta >> FIX_SHIFT; - if (nticks) - xtime_update(nticks); +/* + * The QEMU alarm as a clock_event_device primitive. + */ - if (test_irq_work_pending()) { - clear_irq_work_pending(); - irq_work_run(); - } +static void +qemu_ce_set_mode(enum clock_event_mode mode, struct clock_event_device *ce) +{ + /* The mode member of CE is updated for us in generic code. + Just make sure that the event is disabled. */ + qemu_set_alarm_abs(0); +} -#ifndef CONFIG_SMP - while (nticks--) - update_process_times(user_mode(get_irq_regs())); -#endif +static int +qemu_ce_set_next_event(unsigned long evt, struct clock_event_device *ce) +{ + qemu_set_alarm_rel(evt); + return 0; +} +static irqreturn_t +qemu_timer_interrupt(int irq, void *dev) +{ + int cpu = smp_processor_id(); + struct clock_event_device *ce = &per_cpu(cpu_ce, cpu); + + ce->event_handler(ce); return IRQ_HANDLED; } +static void __init +init_qemu_clockevent(void) +{ + int cpu = smp_processor_id(); + struct clock_event_device *ce = &per_cpu(cpu_ce, cpu); + + *ce = (struct clock_event_device){ + .name = "qemu", + .features = CLOCK_EVT_FEAT_ONESHOT, + .rating = 400, + .cpumask = cpumask_of(cpu), + .set_mode = qemu_ce_set_mode, + .set_next_event = qemu_ce_set_next_event, + }; + + clockevents_config_and_register(ce, NSEC_PER_SEC, 1000, LONG_MAX); +} + + void __init common_init_rtc(void) { - unsigned char x; + unsigned char x, sel = 0; /* Reset periodic interrupt frequency. */ - x = CMOS_READ(RTC_FREQ_SELECT) & 0x3f; - /* Test includes known working values on various platforms - where 0x26 is wrong; we refuse to change those. */ - if (x != 0x26 && x != 0x25 && x != 0x19 && x != 0x06) { - printk("Setting RTC_FREQ to 1024 Hz (%x)\n", x); - CMOS_WRITE(0x26, RTC_FREQ_SELECT); +#if CONFIG_HZ == 1024 || CONFIG_HZ == 1200 + x = CMOS_READ(RTC_FREQ_SELECT) & 0x3f; + /* Test includes known working values on various platforms + where 0x26 is wrong; we refuse to change those. */ + if (x != 0x26 && x != 0x25 && x != 0x19 && x != 0x06) { + sel = RTC_REF_CLCK_32KHZ + 6; } +#elif CONFIG_HZ == 256 || CONFIG_HZ == 128 || CONFIG_HZ == 64 || CONFIG_HZ == 32 + sel = RTC_REF_CLCK_32KHZ + __builtin_ffs(32768 / CONFIG_HZ); +#else +# error "Unknown HZ from arch/alpha/Kconfig" +#endif + if (sel) { + printk(KERN_INFO "Setting RTC_FREQ to %d Hz (%x)\n", + CONFIG_HZ, sel); + CMOS_WRITE(sel, RTC_FREQ_SELECT); + } /* Turn on periodic interrupts. */ x = CMOS_READ(RTC_CONTROL); @@ -235,16 +250,37 @@ common_init_rtc(void) init_rtc_irq(); } -unsigned int common_get_rtc_time(struct rtc_time *time) -{ - return __get_rtc_time(time); -} + +#ifndef CONFIG_ALPHA_WTINT +/* + * The RPCC as a clocksource primitive. + * + * While we have free-running timecounters running on all CPUs, and we make + * a half-hearted attempt in init_rtc_rpcc_info to sync the timecounter + * with the wall clock, that initialization isn't kept up-to-date across + * different time counters in SMP mode. Therefore we can only use this + * method when there's only one CPU enabled. + * + * When using the WTINT PALcall, the RPCC may shift to a lower frequency, + * or stop altogether, while waiting for the interrupt. Therefore we cannot + * use this method when WTINT is in use. + */ -int common_set_rtc_time(struct rtc_time *time) +static cycle_t read_rpcc(struct clocksource *cs) { - return __set_rtc_time(time); + return rpcc(); } +static struct clocksource clocksource_rpcc = { + .name = "rpcc", + .rating = 300, + .read = read_rpcc, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS +}; +#endif /* ALPHA_WTINT */ + + /* Validate a computed cycle counter result against the known bounds for the given processor core. There's too much brokenness in the way of timing hardware for any one method to work everywhere. :-( @@ -355,33 +391,6 @@ rpcc_after_update_in_progress(void) return rpcc(); } -#ifndef CONFIG_SMP -/* Until and unless we figure out how to get cpu cycle counters - in sync and keep them there, we can't use the rpcc. */ -static cycle_t read_rpcc(struct clocksource *cs) -{ - cycle_t ret = (cycle_t)rpcc(); - return ret; -} - -static struct clocksource clocksource_rpcc = { - .name = "rpcc", - .rating = 300, - .read = read_rpcc, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS -}; - -static inline void register_rpcc_clocksource(long cycle_freq) -{ - clocksource_register_hz(&clocksource_rpcc, cycle_freq); -} -#else /* !CONFIG_SMP */ -static inline void register_rpcc_clocksource(long cycle_freq) -{ -} -#endif /* !CONFIG_SMP */ - void __init time_init(void) { @@ -389,6 +398,15 @@ time_init(void) unsigned long cycle_freq, tolerance; long diff; + if (alpha_using_qemu) { + clocksource_register_hz(&qemu_cs, NSEC_PER_SEC); + init_qemu_clockevent(); + + timer_irqaction.handler = qemu_timer_interrupt; + init_rtc_irq(); + return; + } + /* Calibrate CPU clock -- attempt #1. */ if (!est_cycle_freq) est_cycle_freq = validate_cc_value(calibrate_cc_with_pit()); @@ -423,100 +441,25 @@ time_init(void) "and unable to estimate a proper value!\n"); } - /* From John Bowman <bowman@math.ualberta.ca>: allow the values - to settle, as the Update-In-Progress bit going low isn't good - enough on some hardware. 2ms is our guess; we haven't found - bogomips yet, but this is close on a 500Mhz box. */ - __delay(1000000); - - - if (HZ > (1<<16)) { - extern void __you_loose (void); - __you_loose(); - } - - register_rpcc_clocksource(cycle_freq); - - state.last_time = cc1; - state.scaled_ticks_per_cycle - = ((unsigned long) HZ << FIX_SHIFT) / cycle_freq; - state.partial_tick = 0L; + /* See above for restrictions on using clocksource_rpcc. */ +#ifndef CONFIG_ALPHA_WTINT + if (hwrpb->nr_processors == 1) + clocksource_register_hz(&clocksource_rpcc, cycle_freq); +#endif /* Startup the timer source. */ alpha_mv.init_rtc(); + init_rtc_clockevent(); } -/* - * In order to set the CMOS clock precisely, set_rtc_mmss has to be - * called 500 ms after the second nowtime has started, because when - * nowtime is written into the registers of the CMOS clock, it will - * jump to the next second precisely 500 ms later. Check the Motorola - * MC146818A or Dallas DS12887 data sheet for details. - * - * BUG: This routine does not handle hour overflow properly; it just - * sets the minutes. Usually you won't notice until after reboot! - */ - - -static int -set_rtc_mmss(unsigned long nowtime) +/* Initialize the clock_event_device for secondary cpus. */ +#ifdef CONFIG_SMP +void __init +init_clockevent(void) { - int retval = 0; - int real_seconds, real_minutes, cmos_minutes; - unsigned char save_control, save_freq_select; - - /* irq are locally disabled here */ - spin_lock(&rtc_lock); - /* Tell the clock it's being set */ - save_control = CMOS_READ(RTC_CONTROL); - CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); - - /* Stop and reset prescaler */ - save_freq_select = CMOS_READ(RTC_FREQ_SELECT); - CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT); - - cmos_minutes = CMOS_READ(RTC_MINUTES); - if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) - cmos_minutes = bcd2bin(cmos_minutes); - - /* - * since we're only adjusting minutes and seconds, - * don't interfere with hour overflow. This avoids - * messing with unknown time zones but requires your - * RTC not to be off by more than 15 minutes - */ - real_seconds = nowtime % 60; - real_minutes = nowtime / 60; - if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) { - /* correct for half hour time zone */ - real_minutes += 30; - } - real_minutes %= 60; - - if (abs(real_minutes - cmos_minutes) < 30) { - if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - real_seconds = bin2bcd(real_seconds); - real_minutes = bin2bcd(real_minutes); - } - CMOS_WRITE(real_seconds,RTC_SECONDS); - CMOS_WRITE(real_minutes,RTC_MINUTES); - } else { - printk_once(KERN_NOTICE - "set_rtc_mmss: can't update from %d to %d\n", - cmos_minutes, real_minutes); - retval = -1; - } - - /* The following flags have to be released exactly in this order, - * otherwise the DS12887 (popular MC146818A clone with integrated - * battery and quartz) will not reset the oscillator and will not - * update precisely 500 ms later. You won't find this mentioned in - * the Dallas Semiconductor data sheets, but who believes data - * sheets anyway ... -- Markus Kuhn - */ - CMOS_WRITE(save_control, RTC_CONTROL); - CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); - spin_unlock(&rtc_lock); - - return retval; + if (alpha_using_qemu) + init_qemu_clockevent(); + else + init_rtc_clockevent(); } +#endif diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 0414e021a91..9c4c189eb22 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -24,6 +24,7 @@ #include <asm/sysinfo.h> #include <asm/hwrpb.h> #include <asm/mmu_context.h> +#include <asm/special_insns.h> #include "proto.h" @@ -31,7 +32,7 @@ static int opDEC_fix; -static void __cpuinit +static void opDEC_check(void) { __asm__ __volatile__ ( @@ -65,8 +66,8 @@ dik_show_regs(struct pt_regs *regs, unsigned long *r9_15) { printk("pc = [<%016lx>] ra = [<%016lx>] ps = %04lx %s\n", regs->pc, regs->r26, regs->ps, print_tainted()); - print_symbol("pc is at %s\n", regs->pc); - print_symbol("ra is at %s\n", regs->r26 ); + printk("pc is at %pSR\n", (void *)regs->pc); + printk("ra is at %pSR\n", (void *)regs->r26); printk("v0 = %016lx t0 = %016lx t1 = %016lx\n", regs->r0, regs->r1, regs->r2); printk("t2 = %016lx t3 = %016lx t4 = %016lx\n", @@ -131,9 +132,7 @@ dik_show_trace(unsigned long *sp) continue; if (tmp >= (unsigned long) &_etext) continue; - printk("[<%lx>]", tmp); - print_symbol(" %s", tmp); - printk("\n"); + printk("[<%lx>] %pSR\n", tmp, (void *)tmp); if (i > 40) { printk(" ..."); break; @@ -168,13 +167,6 @@ void show_stack(struct task_struct *task, unsigned long *sp) dik_show_trace(sp); } -void dump_stack(void) -{ - show_stack(NULL, NULL); -} - -EXPORT_SYMBOL(dump_stack); - void die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15) { @@ -185,7 +177,7 @@ die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15) #endif printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err); dik_show_regs(regs, r9_15); - add_taint(TAINT_DIE); + add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE); dik_show_trace((unsigned long *)(regs+1)); dik_show_code((unsigned int *)regs->pc); @@ -249,6 +241,21 @@ do_entIF(unsigned long type, struct pt_regs *regs) (const char *)(data[1] | (long)data[2] << 32), data[0]); } +#ifdef CONFIG_ALPHA_WTINT + if (type == 4) { + /* If CALL_PAL WTINT is totally unsupported by the + PALcode, e.g. MILO, "emulate" it by overwriting + the insn. */ + unsigned int *pinsn + = (unsigned int *) regs->pc - 1; + if (*pinsn == PAL_wtint) { + *pinsn = 0x47e01400; /* mov 0,$0 */ + imb(); + regs->r0 = 0; + return; + } + } +#endif /* ALPHA_WTINT */ die_if_kernel((type == 1 ? "Kernel Bug" : "Instruction fault"), regs, type, NULL); } @@ -779,17 +786,17 @@ do_entUnaUser(void __user * va, unsigned long opcode, /* Check the UAC bits to decide what the user wants us to do with the unaliged access. */ - if (!test_thread_flag (TIF_UAC_NOPRINT)) { + if (!(current_thread_info()->status & TS_UAC_NOPRINT)) { if (__ratelimit(&ratelimit)) { printk("%s(%d): unaligned trap at %016lx: %p %lx %ld\n", current->comm, task_pid_nr(current), regs->pc - 4, va, opcode, reg); } } - if (test_thread_flag (TIF_UAC_SIGBUS)) + if ((current_thread_info()->status & TS_UAC_SIGBUS)) goto give_sigbus; /* Not sure why you'd want to use this, but... */ - if (test_thread_flag (TIF_UAC_NOFIX)) + if ((current_thread_info()->status & TS_UAC_NOFIX)) return; /* Don't bother reading ds in the access check since we already @@ -1065,7 +1072,7 @@ give_sigbus: return; } -void __cpuinit +void trap_init(void) { /* Tell PAL-code what global pointer we want in the kernel. */ diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index f937ad12385..647b84c1538 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -2,6 +2,7 @@ #include <asm/thread_info.h> #include <asm/cache.h> #include <asm/page.h> +#include <asm/setup.h> OUTPUT_FORMAT("elf64-alpha") OUTPUT_ARCH(alpha) @@ -25,6 +26,7 @@ SECTIONS *(.fixup) *(.gnu.warning) } :kernel + swapper_pg_dir = SWAPPER_PGD; _etext = .; /* End of text section */ NOTES :kernel :note diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile index c0a83ab62b7..59660743237 100644 --- a/arch/alpha/lib/Makefile +++ b/arch/alpha/lib/Makefile @@ -31,8 +31,6 @@ lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \ $(ev6-y)memchr.o \ $(ev6-y)copy_user.o \ $(ev6-y)clear_user.o \ - $(ev6-y)strncpy_from_user.o \ - $(ev67-y)strlen_user.o \ $(ev6-y)csum_ipv6_magic.o \ $(ev6-y)clear_page.o \ $(ev6-y)copy_page.o \ diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c index 40736da9bea..5675dca8dbb 100644 --- a/arch/alpha/lib/csum_partial_copy.c +++ b/arch/alpha/lib/csum_partial_copy.c @@ -130,7 +130,7 @@ csum_partial_cfu_aligned(const unsigned long __user *src, unsigned long *dst, *dst = word | tmp; checksum += carry; } - if (err) *errp = err; + if (err && errp) *errp = err; return checksum; } @@ -185,7 +185,7 @@ csum_partial_cfu_dest_aligned(const unsigned long __user *src, *dst = word | tmp; checksum += carry; } - if (err) *errp = err; + if (err && errp) *errp = err; return checksum; } @@ -242,7 +242,7 @@ csum_partial_cfu_src_aligned(const unsigned long __user *src, stq_u(partial_dest | second_dest, dst); out: checksum += carry; - if (err) *errp = err; + if (err && errp) *errp = err; return checksum; } @@ -325,7 +325,7 @@ csum_partial_cfu_unaligned(const unsigned long __user * src, stq_u(partial_dest | word | second_dest, dst); checksum += carry; } - if (err) *errp = err; + if (err && errp) *errp = err; return checksum; } @@ -338,6 +338,11 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len, unsigned long doff = 7 & (unsigned long) dst; if (len) { + if (!access_ok(VERIFY_READ, src, len)) { + if (errp) *errp = -EFAULT; + memset(dst, 0, len); + return sum; + } if (!doff) { if (!soff) checksum = csum_partial_cfu_aligned( @@ -373,6 +378,11 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) { - return csum_partial_copy_from_user((__force const void __user *)src, - dst, len, sum, NULL); + __wsum checksum; + mm_segment_t oldfs = get_fs(); + set_fs(KERNEL_DS); + checksum = csum_partial_copy_from_user((__force const void __user *)src, + dst, len, sum, NULL); + set_fs(oldfs); + return checksum; } diff --git a/arch/alpha/lib/ev6-memset.S b/arch/alpha/lib/ev6-memset.S index d8b94e1c7fc..356bb2fdd70 100644 --- a/arch/alpha/lib/ev6-memset.S +++ b/arch/alpha/lib/ev6-memset.S @@ -30,14 +30,15 @@ .set noat .set noreorder .text + .globl memset .globl __memset + .globl ___memset .globl __memsetw .globl __constant_c_memset - .globl memset - .ent __memset + .ent ___memset .align 5 -__memset: +___memset: .frame $30,0,$26,0 .prologue 0 @@ -227,7 +228,7 @@ end_b: nop nop ret $31,($26),1 # L0 : - .end __memset + .end ___memset /* * This is the original body of code, prior to replication and @@ -594,4 +595,5 @@ end_w: .end __memsetw -memset = __memset +memset = ___memset +__memset = ___memset diff --git a/arch/alpha/lib/ev6-strncpy_from_user.S b/arch/alpha/lib/ev6-strncpy_from_user.S deleted file mode 100644 index d2e28178cac..00000000000 --- a/arch/alpha/lib/ev6-strncpy_from_user.S +++ /dev/null @@ -1,424 +0,0 @@ -/* - * arch/alpha/lib/ev6-strncpy_from_user.S - * 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com> - * - * Just like strncpy except in the return value: - * - * -EFAULT if an exception occurs before the terminator is copied. - * N if the buffer filled. - * - * Otherwise the length of the string is returned. - * - * Much of the information about 21264 scheduling/coding comes from: - * Compiler Writer's Guide for the Alpha 21264 - * abbreviated as 'CWG' in other comments here - * ftp.digital.com/pub/Digital/info/semiconductor/literature/dsc-library.html - * Scheduling notation: - * E - either cluster - * U - upper subcluster; U0 - subcluster U0; U1 - subcluster U1 - * L - lower subcluster; L0 - subcluster L0; L1 - subcluster L1 - * A bunch of instructions got moved and temp registers were changed - * to aid in scheduling. Control flow was also re-arranged to eliminate - * branches, and to provide longer code sequences to enable better scheduling. - * A total rewrite (using byte load/stores for start & tail sequences) - * is desirable, but very difficult to do without a from-scratch rewrite. - * Save that for the future. - */ - - -#include <asm/errno.h> -#include <asm/regdef.h> - - -/* Allow an exception for an insn; exit if we get one. */ -#define EX(x,y...) \ - 99: x,##y; \ - .section __ex_table,"a"; \ - .long 99b - .; \ - lda $31, $exception-99b($0); \ - .previous - - - .set noat - .set noreorder - .text - - .globl __strncpy_from_user - .ent __strncpy_from_user - .frame $30, 0, $26 - .prologue 0 - - .align 4 -__strncpy_from_user: - and a0, 7, t3 # E : find dest misalignment - beq a2, $zerolength # U : - - /* Are source and destination co-aligned? */ - mov a0, v0 # E : save the string start - xor a0, a1, t4 # E : - EX( ldq_u t1, 0(a1) ) # L : Latency=3 load first quadword - ldq_u t0, 0(a0) # L : load first (partial) aligned dest quadword - - addq a2, t3, a2 # E : bias count by dest misalignment - subq a2, 1, a3 # E : - addq zero, 1, t10 # E : - and t4, 7, t4 # E : misalignment between the two - - and a3, 7, t6 # E : number of tail bytes - sll t10, t6, t10 # E : t10 = bitmask of last count byte - bne t4, $unaligned # U : - lda t2, -1 # E : build a mask against false zero - - /* - * We are co-aligned; take care of a partial first word. - * On entry to this basic block: - * t0 == the first destination word for masking back in - * t1 == the first source word. - */ - - srl a3, 3, a2 # E : a2 = loop counter = (count - 1)/8 - addq a1, 8, a1 # E : - mskqh t2, a1, t2 # U : detection in the src word - nop - - /* Create the 1st output word and detect 0's in the 1st input word. */ - mskqh t1, a1, t3 # U : - mskql t0, a1, t0 # U : assemble the first output word - ornot t1, t2, t2 # E : - nop - - cmpbge zero, t2, t8 # E : bits set iff null found - or t0, t3, t0 # E : - beq a2, $a_eoc # U : - bne t8, $a_eos # U : 2nd branch in a quad. Bad. - - /* On entry to this basic block: - * t0 == a source quad not containing a null. - * a0 - current aligned destination address - * a1 - current aligned source address - * a2 - count of quadwords to move. - * NOTE: Loop improvement - unrolling this is going to be - * a huge win, since we're going to stall otherwise. - * Fix this later. For _really_ large copies, look - * at using wh64 on a look-ahead basis. See the code - * in clear_user.S and copy_user.S. - * Presumably, since (a0) and (a1) do not overlap (by C definition) - * Lots of nops here: - * - Separate loads from stores - * - Keep it to 1 branch/quadpack so the branch predictor - * can train. - */ -$a_loop: - stq_u t0, 0(a0) # L : - addq a0, 8, a0 # E : - nop - subq a2, 1, a2 # E : - - EX( ldq_u t0, 0(a1) ) # L : - addq a1, 8, a1 # E : - cmpbge zero, t0, t8 # E : Stall 2 cycles on t0 - beq a2, $a_eoc # U : - - beq t8, $a_loop # U : - nop - nop - nop - - /* Take care of the final (partial) word store. At this point - * the end-of-count bit is set in t8 iff it applies. - * - * On entry to this basic block we have: - * t0 == the source word containing the null - * t8 == the cmpbge mask that found it. - */ -$a_eos: - negq t8, t12 # E : find low bit set - and t8, t12, t12 # E : - - /* We're doing a partial word store and so need to combine - our source and original destination words. */ - ldq_u t1, 0(a0) # L : - subq t12, 1, t6 # E : - - or t12, t6, t8 # E : - zapnot t0, t8, t0 # U : clear src bytes > null - zap t1, t8, t1 # U : clear dst bytes <= null - or t0, t1, t0 # E : - - stq_u t0, 0(a0) # L : - br $finish_up # L0 : - nop - nop - - /* Add the end-of-count bit to the eos detection bitmask. */ - .align 4 -$a_eoc: - or t10, t8, t8 - br $a_eos - nop - nop - - -/* The source and destination are not co-aligned. Align the destination - and cope. We have to be very careful about not reading too much and - causing a SEGV. */ - - .align 4 -$u_head: - /* We know just enough now to be able to assemble the first - full source word. We can still find a zero at the end of it - that prevents us from outputting the whole thing. - - On entry to this basic block: - t0 == the first dest word, unmasked - t1 == the shifted low bits of the first source word - t6 == bytemask that is -1 in dest word bytes */ - - EX( ldq_u t2, 8(a1) ) # L : load second src word - addq a1, 8, a1 # E : - mskql t0, a0, t0 # U : mask trailing garbage in dst - extqh t2, a1, t4 # U : - - or t1, t4, t1 # E : first aligned src word complete - mskqh t1, a0, t1 # U : mask leading garbage in src - or t0, t1, t0 # E : first output word complete - or t0, t6, t6 # E : mask original data for zero test - - cmpbge zero, t6, t8 # E : - beq a2, $u_eocfin # U : - bne t8, $u_final # U : bad news - 2nd branch in a quad - lda t6, -1 # E : mask out the bits we have - - mskql t6, a1, t6 # U : already seen - stq_u t0, 0(a0) # L : store first output word - or t6, t2, t2 # E : - cmpbge zero, t2, t8 # E : find nulls in second partial - - addq a0, 8, a0 # E : - subq a2, 1, a2 # E : - bne t8, $u_late_head_exit # U : - nop - - /* Finally, we've got all the stupid leading edge cases taken care - of and we can set up to enter the main loop. */ - - extql t2, a1, t1 # U : position hi-bits of lo word - EX( ldq_u t2, 8(a1) ) # L : read next high-order source word - addq a1, 8, a1 # E : - cmpbge zero, t2, t8 # E : - - beq a2, $u_eoc # U : - bne t8, $u_eos # U : - nop - nop - - /* Unaligned copy main loop. In order to avoid reading too much, - the loop is structured to detect zeros in aligned source words. - This has, unfortunately, effectively pulled half of a loop - iteration out into the head and half into the tail, but it does - prevent nastiness from accumulating in the very thing we want - to run as fast as possible. - - On entry to this basic block: - t1 == the shifted high-order bits from the previous source word - t2 == the unshifted current source word - - We further know that t2 does not contain a null terminator. */ - - /* - * Extra nops here: - * separate load quads from store quads - * only one branch/quad to permit predictor training - */ - - .align 4 -$u_loop: - extqh t2, a1, t0 # U : extract high bits for current word - addq a1, 8, a1 # E : - extql t2, a1, t3 # U : extract low bits for next time - addq a0, 8, a0 # E : - - or t0, t1, t0 # E : current dst word now complete - EX( ldq_u t2, 0(a1) ) # L : load high word for next time - subq a2, 1, a2 # E : - nop - - stq_u t0, -8(a0) # L : save the current word - mov t3, t1 # E : - cmpbge zero, t2, t8 # E : test new word for eos - beq a2, $u_eoc # U : - - beq t8, $u_loop # U : - nop - nop - nop - - /* We've found a zero somewhere in the source word we just read. - If it resides in the lower half, we have one (probably partial) - word to write out, and if it resides in the upper half, we - have one full and one partial word left to write out. - - On entry to this basic block: - t1 == the shifted high-order bits from the previous source word - t2 == the unshifted current source word. */ - .align 4 -$u_eos: - extqh t2, a1, t0 # U : - or t0, t1, t0 # E : first (partial) source word complete - cmpbge zero, t0, t8 # E : is the null in this first bit? - nop - - bne t8, $u_final # U : - stq_u t0, 0(a0) # L : the null was in the high-order bits - addq a0, 8, a0 # E : - subq a2, 1, a2 # E : - - .align 4 -$u_late_head_exit: - extql t2, a1, t0 # U : - cmpbge zero, t0, t8 # E : - or t8, t10, t6 # E : - cmoveq a2, t6, t8 # E : - - /* Take care of a final (probably partial) result word. - On entry to this basic block: - t0 == assembled source word - t8 == cmpbge mask that found the null. */ - .align 4 -$u_final: - negq t8, t6 # E : isolate low bit set - and t6, t8, t12 # E : - ldq_u t1, 0(a0) # L : - subq t12, 1, t6 # E : - - or t6, t12, t8 # E : - zapnot t0, t8, t0 # U : kill source bytes > null - zap t1, t8, t1 # U : kill dest bytes <= null - or t0, t1, t0 # E : - - stq_u t0, 0(a0) # E : - br $finish_up # U : - nop - nop - - .align 4 -$u_eoc: # end-of-count - extqh t2, a1, t0 # U : - or t0, t1, t0 # E : - cmpbge zero, t0, t8 # E : - nop - - .align 4 -$u_eocfin: # end-of-count, final word - or t10, t8, t8 # E : - br $u_final # U : - nop - nop - - /* Unaligned copy entry point. */ - .align 4 -$unaligned: - - srl a3, 3, a2 # U : a2 = loop counter = (count - 1)/8 - and a0, 7, t4 # E : find dest misalignment - and a1, 7, t5 # E : find src misalignment - mov zero, t0 # E : - - /* Conditionally load the first destination word and a bytemask - with 0xff indicating that the destination byte is sacrosanct. */ - - mov zero, t6 # E : - beq t4, 1f # U : - ldq_u t0, 0(a0) # L : - lda t6, -1 # E : - - mskql t6, a0, t6 # E : - nop - nop - nop - - .align 4 -1: - subq a1, t4, a1 # E : sub dest misalignment from src addr - /* If source misalignment is larger than dest misalignment, we need - extra startup checks to avoid SEGV. */ - cmplt t4, t5, t12 # E : - extql t1, a1, t1 # U : shift src into place - lda t2, -1 # E : for creating masks later - - beq t12, $u_head # U : - mskqh t2, t5, t2 # U : begin src byte validity mask - cmpbge zero, t1, t8 # E : is there a zero? - nop - - extql t2, a1, t2 # U : - or t8, t10, t5 # E : test for end-of-count too - cmpbge zero, t2, t3 # E : - cmoveq a2, t5, t8 # E : Latency=2, extra map slot - - nop # E : goes with cmov - andnot t8, t3, t8 # E : - beq t8, $u_head # U : - nop - - /* At this point we've found a zero in the first partial word of - the source. We need to isolate the valid source data and mask - it into the original destination data. (Incidentally, we know - that we'll need at least one byte of that original dest word.) */ - - ldq_u t0, 0(a0) # L : - negq t8, t6 # E : build bitmask of bytes <= zero - mskqh t1, t4, t1 # U : - and t6, t8, t12 # E : - - subq t12, 1, t6 # E : - or t6, t12, t8 # E : - zapnot t2, t8, t2 # U : prepare source word; mirror changes - zapnot t1, t8, t1 # U : to source validity mask - - andnot t0, t2, t0 # E : zero place for source to reside - or t0, t1, t0 # E : and put it there - stq_u t0, 0(a0) # L : - nop - - .align 4 -$finish_up: - zapnot t0, t12, t4 # U : was last byte written null? - and t12, 0xf0, t3 # E : binary search for the address of the - cmovne t4, 1, t4 # E : Latency=2, extra map slot - nop # E : with cmovne - - and t12, 0xcc, t2 # E : last byte written - and t12, 0xaa, t1 # E : - cmovne t3, 4, t3 # E : Latency=2, extra map slot - nop # E : with cmovne - - bic a0, 7, t0 - cmovne t2, 2, t2 # E : Latency=2, extra map slot - nop # E : with cmovne - nop - - cmovne t1, 1, t1 # E : Latency=2, extra map slot - nop # E : with cmovne - addq t0, t3, t0 # E : - addq t1, t2, t1 # E : - - addq t0, t1, t0 # E : - addq t0, t4, t0 # add one if we filled the buffer - subq t0, v0, v0 # find string length - ret # L0 : - - .align 4 -$zerolength: - nop - nop - nop - clr v0 - -$exception: - nop - nop - nop - ret - - .end __strncpy_from_user diff --git a/arch/alpha/lib/ev67-strlen_user.S b/arch/alpha/lib/ev67-strlen_user.S deleted file mode 100644 index 57e0d77b81a..00000000000 --- a/arch/alpha/lib/ev67-strlen_user.S +++ /dev/null @@ -1,107 +0,0 @@ -/* - * arch/alpha/lib/ev67-strlen_user.S - * 21264 version contributed by Rick Gorton <rick.gorton@api-networks.com> - * - * Return the length of the string including the NULL terminator - * (strlen+1) or zero if an error occurred. - * - * In places where it is critical to limit the processing time, - * and the data is not trusted, strnlen_user() should be used. - * It will return a value greater than its second argument if - * that limit would be exceeded. This implementation is allowed - * to access memory beyond the limit, but will not cross a page - * boundary when doing so. - * - * Much of the information about 21264 scheduling/coding comes from: - * Compiler Writer's Guide for the Alpha 21264 - * abbreviated as 'CWG' in other comments here - * ftp.digital.com/pub/Digital/info/semiconductor/literature/dsc-library.html - * Scheduling notation: - * E - either cluster - * U - upper subcluster; U0 - subcluster U0; U1 - subcluster U1 - * L - lower subcluster; L0 - subcluster L0; L1 - subcluster L1 - * Try not to change the actual algorithm if possible for consistency. - */ - -#include <asm/regdef.h> - - -/* Allow an exception for an insn; exit if we get one. */ -#define EX(x,y...) \ - 99: x,##y; \ - .section __ex_table,"a"; \ - .long 99b - .; \ - lda v0, $exception-99b(zero); \ - .previous - - - .set noreorder - .set noat - .text - - .globl __strlen_user - .ent __strlen_user - .frame sp, 0, ra - - .align 4 -__strlen_user: - ldah a1, 32767(zero) # do not use plain strlen_user() for strings - # that might be almost 2 GB long; you should - # be using strnlen_user() instead - nop - nop - nop - - .globl __strnlen_user - - .align 4 -__strnlen_user: - .prologue 0 - EX( ldq_u t0, 0(a0) ) # L : load first quadword (a0 may be misaligned) - lda t1, -1(zero) # E : - - insqh t1, a0, t1 # U : - andnot a0, 7, v0 # E : - or t1, t0, t0 # E : - subq a0, 1, a0 # E : get our +1 for the return - - cmpbge zero, t0, t1 # E : t1 <- bitmask: bit i == 1 <==> i-th byte == 0 - subq a1, 7, t2 # E : - subq a0, v0, t0 # E : - bne t1, $found # U : - - addq t2, t0, t2 # E : - addq a1, 1, a1 # E : - nop # E : - nop # E : - - .align 4 -$loop: ble t2, $limit # U : - EX( ldq t0, 8(v0) ) # L : - nop # E : - nop # E : - - cmpbge zero, t0, t1 # E : - subq t2, 8, t2 # E : - addq v0, 8, v0 # E : addr += 8 - beq t1, $loop # U : - -$found: cttz t1, t2 # U0 : - addq v0, t2, v0 # E : - subq v0, a0, v0 # E : - ret # L0 : - -$exception: - nop - nop - nop - ret - - .align 4 # currently redundant -$limit: - nop - nop - subq a1, t2, v0 - ret - - .end __strlen_user diff --git a/arch/alpha/lib/memset.S b/arch/alpha/lib/memset.S index 311b8cfc691..76ccc6d1f36 100644 --- a/arch/alpha/lib/memset.S +++ b/arch/alpha/lib/memset.S @@ -19,11 +19,13 @@ .text .globl memset .globl __memset + .globl ___memset .globl __memsetw .globl __constant_c_memset - .ent __memset + + .ent ___memset .align 5 -__memset: +___memset: .frame $30,0,$26,0 .prologue 0 @@ -103,7 +105,7 @@ within_one_quad: end: ret $31,($26),1 /* E1 */ - .end __memset + .end ___memset .align 5 .ent __memsetw @@ -121,4 +123,5 @@ __memsetw: .end __memsetw -memset = __memset +memset = ___memset +__memset = ___memset diff --git a/arch/alpha/lib/stacktrace.c b/arch/alpha/lib/stacktrace.c index 6d432e42aed..5e832161e6d 100644 --- a/arch/alpha/lib/stacktrace.c +++ b/arch/alpha/lib/stacktrace.c @@ -1,5 +1,4 @@ #include <linux/kernel.h> -#include <asm/system.h> typedef unsigned int instr; diff --git a/arch/alpha/lib/strlen_user.S b/arch/alpha/lib/strlen_user.S deleted file mode 100644 index 508a18e9647..00000000000 --- a/arch/alpha/lib/strlen_user.S +++ /dev/null @@ -1,91 +0,0 @@ -/* - * arch/alpha/lib/strlen_user.S - * - * Return the length of the string including the NUL terminator - * (strlen+1) or zero if an error occurred. - * - * In places where it is critical to limit the processing time, - * and the data is not trusted, strnlen_user() should be used. - * It will return a value greater than its second argument if - * that limit would be exceeded. This implementation is allowed - * to access memory beyond the limit, but will not cross a page - * boundary when doing so. - */ - -#include <asm/regdef.h> - - -/* Allow an exception for an insn; exit if we get one. */ -#define EX(x,y...) \ - 99: x,##y; \ - .section __ex_table,"a"; \ - .long 99b - .; \ - lda v0, $exception-99b(zero); \ - .previous - - - .set noreorder - .set noat - .text - - .globl __strlen_user - .ent __strlen_user - .frame sp, 0, ra - - .align 3 -__strlen_user: - ldah a1, 32767(zero) # do not use plain strlen_user() for strings - # that might be almost 2 GB long; you should - # be using strnlen_user() instead - - .globl __strnlen_user - - .align 3 -__strnlen_user: - .prologue 0 - - EX( ldq_u t0, 0(a0) ) # load first quadword (a0 may be misaligned) - lda t1, -1(zero) - insqh t1, a0, t1 - andnot a0, 7, v0 - or t1, t0, t0 - subq a0, 1, a0 # get our +1 for the return - cmpbge zero, t0, t1 # t1 <- bitmask: bit i == 1 <==> i-th byte == 0 - subq a1, 7, t2 - subq a0, v0, t0 - bne t1, $found - - addq t2, t0, t2 - addq a1, 1, a1 - - .align 3 -$loop: ble t2, $limit - EX( ldq t0, 8(v0) ) - subq t2, 8, t2 - addq v0, 8, v0 # addr += 8 - cmpbge zero, t0, t1 - beq t1, $loop - -$found: negq t1, t2 # clear all but least set bit - and t1, t2, t1 - - and t1, 0xf0, t2 # binary search for that set bit - and t1, 0xcc, t3 - and t1, 0xaa, t4 - cmovne t2, 4, t2 - cmovne t3, 2, t3 - cmovne t4, 1, t4 - addq t2, t3, t2 - addq v0, t4, v0 - addq v0, t2, v0 - nop # dual issue next two on ev4 and ev5 - subq v0, a0, v0 -$exception: - ret - - .align 3 # currently redundant -$limit: - subq a1, t2, v0 - ret - - .end __strlen_user diff --git a/arch/alpha/lib/strncpy_from_user.S b/arch/alpha/lib/strncpy_from_user.S deleted file mode 100644 index 73ee21160ff..00000000000 --- a/arch/alpha/lib/strncpy_from_user.S +++ /dev/null @@ -1,339 +0,0 @@ -/* - * arch/alpha/lib/strncpy_from_user.S - * Contributed by Richard Henderson (rth@tamu.edu) - * - * Just like strncpy except in the return value: - * - * -EFAULT if an exception occurs before the terminator is copied. - * N if the buffer filled. - * - * Otherwise the length of the string is returned. - */ - - -#include <asm/errno.h> -#include <asm/regdef.h> - - -/* Allow an exception for an insn; exit if we get one. */ -#define EX(x,y...) \ - 99: x,##y; \ - .section __ex_table,"a"; \ - .long 99b - .; \ - lda $31, $exception-99b($0); \ - .previous - - - .set noat - .set noreorder - .text - - .globl __strncpy_from_user - .ent __strncpy_from_user - .frame $30, 0, $26 - .prologue 0 - - .align 3 -$aligned: - /* On entry to this basic block: - t0 == the first destination word for masking back in - t1 == the first source word. */ - - /* Create the 1st output word and detect 0's in the 1st input word. */ - lda t2, -1 # e1 : build a mask against false zero - mskqh t2, a1, t2 # e0 : detection in the src word - mskqh t1, a1, t3 # e0 : - ornot t1, t2, t2 # .. e1 : - mskql t0, a1, t0 # e0 : assemble the first output word - cmpbge zero, t2, t8 # .. e1 : bits set iff null found - or t0, t3, t0 # e0 : - beq a2, $a_eoc # .. e1 : - bne t8, $a_eos # .. e1 : - - /* On entry to this basic block: - t0 == a source word not containing a null. */ - -$a_loop: - stq_u t0, 0(a0) # e0 : - addq a0, 8, a0 # .. e1 : - EX( ldq_u t0, 0(a1) ) # e0 : - addq a1, 8, a1 # .. e1 : - subq a2, 1, a2 # e0 : - cmpbge zero, t0, t8 # .. e1 (stall) - beq a2, $a_eoc # e1 : - beq t8, $a_loop # e1 : - - /* Take care of the final (partial) word store. At this point - the end-of-count bit is set in t8 iff it applies. - - On entry to this basic block we have: - t0 == the source word containing the null - t8 == the cmpbge mask that found it. */ - -$a_eos: - negq t8, t12 # e0 : find low bit set - and t8, t12, t12 # e1 (stall) - - /* For the sake of the cache, don't read a destination word - if we're not going to need it. */ - and t12, 0x80, t6 # e0 : - bne t6, 1f # .. e1 (zdb) - - /* We're doing a partial word store and so need to combine - our source and original destination words. */ - ldq_u t1, 0(a0) # e0 : - subq t12, 1, t6 # .. e1 : - or t12, t6, t8 # e0 : - unop # - zapnot t0, t8, t0 # e0 : clear src bytes > null - zap t1, t8, t1 # .. e1 : clear dst bytes <= null - or t0, t1, t0 # e1 : - -1: stq_u t0, 0(a0) - br $finish_up - - /* Add the end-of-count bit to the eos detection bitmask. */ -$a_eoc: - or t10, t8, t8 - br $a_eos - - /*** The Function Entry Point ***/ - .align 3 -__strncpy_from_user: - mov a0, v0 # save the string start - beq a2, $zerolength - - /* Are source and destination co-aligned? */ - xor a0, a1, t1 # e0 : - and a0, 7, t0 # .. e1 : find dest misalignment - and t1, 7, t1 # e0 : - addq a2, t0, a2 # .. e1 : bias count by dest misalignment - subq a2, 1, a2 # e0 : - and a2, 7, t2 # e1 : - srl a2, 3, a2 # e0 : a2 = loop counter = (count - 1)/8 - addq zero, 1, t10 # .. e1 : - sll t10, t2, t10 # e0 : t10 = bitmask of last count byte - bne t1, $unaligned # .. e1 : - - /* We are co-aligned; take care of a partial first word. */ - - EX( ldq_u t1, 0(a1) ) # e0 : load first src word - addq a1, 8, a1 # .. e1 : - - beq t0, $aligned # avoid loading dest word if not needed - ldq_u t0, 0(a0) # e0 : - br $aligned # .. e1 : - - -/* The source and destination are not co-aligned. Align the destination - and cope. We have to be very careful about not reading too much and - causing a SEGV. */ - - .align 3 -$u_head: - /* We know just enough now to be able to assemble the first - full source word. We can still find a zero at the end of it - that prevents us from outputting the whole thing. - - On entry to this basic block: - t0 == the first dest word, unmasked - t1 == the shifted low bits of the first source word - t6 == bytemask that is -1 in dest word bytes */ - - EX( ldq_u t2, 8(a1) ) # e0 : load second src word - addq a1, 8, a1 # .. e1 : - mskql t0, a0, t0 # e0 : mask trailing garbage in dst - extqh t2, a1, t4 # e0 : - or t1, t4, t1 # e1 : first aligned src word complete - mskqh t1, a0, t1 # e0 : mask leading garbage in src - or t0, t1, t0 # e0 : first output word complete - or t0, t6, t6 # e1 : mask original data for zero test - cmpbge zero, t6, t8 # e0 : - beq a2, $u_eocfin # .. e1 : - bne t8, $u_final # e1 : - - lda t6, -1 # e1 : mask out the bits we have - mskql t6, a1, t6 # e0 : already seen - stq_u t0, 0(a0) # e0 : store first output word - or t6, t2, t2 # .. e1 : - cmpbge zero, t2, t8 # e0 : find nulls in second partial - addq a0, 8, a0 # .. e1 : - subq a2, 1, a2 # e0 : - bne t8, $u_late_head_exit # .. e1 : - - /* Finally, we've got all the stupid leading edge cases taken care - of and we can set up to enter the main loop. */ - - extql t2, a1, t1 # e0 : position hi-bits of lo word - EX( ldq_u t2, 8(a1) ) # .. e1 : read next high-order source word - addq a1, 8, a1 # e0 : - cmpbge zero, t2, t8 # e1 (stall) - beq a2, $u_eoc # e1 : - bne t8, $u_eos # e1 : - - /* Unaligned copy main loop. In order to avoid reading too much, - the loop is structured to detect zeros in aligned source words. - This has, unfortunately, effectively pulled half of a loop - iteration out into the head and half into the tail, but it does - prevent nastiness from accumulating in the very thing we want - to run as fast as possible. - - On entry to this basic block: - t1 == the shifted high-order bits from the previous source word - t2 == the unshifted current source word - - We further know that t2 does not contain a null terminator. */ - - .align 3 -$u_loop: - extqh t2, a1, t0 # e0 : extract high bits for current word - addq a1, 8, a1 # .. e1 : - extql t2, a1, t3 # e0 : extract low bits for next time - addq a0, 8, a0 # .. e1 : - or t0, t1, t0 # e0 : current dst word now complete - EX( ldq_u t2, 0(a1) ) # .. e1 : load high word for next time - stq_u t0, -8(a0) # e0 : save the current word - mov t3, t1 # .. e1 : - subq a2, 1, a2 # e0 : - cmpbge zero, t2, t8 # .. e1 : test new word for eos - beq a2, $u_eoc # e1 : - beq t8, $u_loop # e1 : - - /* We've found a zero somewhere in the source word we just read. - If it resides in the lower half, we have one (probably partial) - word to write out, and if it resides in the upper half, we - have one full and one partial word left to write out. - - On entry to this basic block: - t1 == the shifted high-order bits from the previous source word - t2 == the unshifted current source word. */ -$u_eos: - extqh t2, a1, t0 # e0 : - or t0, t1, t0 # e1 : first (partial) source word complete - - cmpbge zero, t0, t8 # e0 : is the null in this first bit? - bne t8, $u_final # .. e1 (zdb) - - stq_u t0, 0(a0) # e0 : the null was in the high-order bits - addq a0, 8, a0 # .. e1 : - subq a2, 1, a2 # e1 : - -$u_late_head_exit: - extql t2, a1, t0 # .. e0 : - cmpbge zero, t0, t8 # e0 : - or t8, t10, t6 # e1 : - cmoveq a2, t6, t8 # e0 : - nop # .. e1 : - - /* Take care of a final (probably partial) result word. - On entry to this basic block: - t0 == assembled source word - t8 == cmpbge mask that found the null. */ -$u_final: - negq t8, t6 # e0 : isolate low bit set - and t6, t8, t12 # e1 : - - and t12, 0x80, t6 # e0 : avoid dest word load if we can - bne t6, 1f # .. e1 (zdb) - - ldq_u t1, 0(a0) # e0 : - subq t12, 1, t6 # .. e1 : - or t6, t12, t8 # e0 : - zapnot t0, t8, t0 # .. e1 : kill source bytes > null - zap t1, t8, t1 # e0 : kill dest bytes <= null - or t0, t1, t0 # e1 : - -1: stq_u t0, 0(a0) # e0 : - br $finish_up - -$u_eoc: # end-of-count - extqh t2, a1, t0 - or t0, t1, t0 - cmpbge zero, t0, t8 - -$u_eocfin: # end-of-count, final word - or t10, t8, t8 - br $u_final - - /* Unaligned copy entry point. */ - .align 3 -$unaligned: - - EX( ldq_u t1, 0(a1) ) # e0 : load first source word - - and a0, 7, t4 # .. e1 : find dest misalignment - and a1, 7, t5 # e0 : find src misalignment - - /* Conditionally load the first destination word and a bytemask - with 0xff indicating that the destination byte is sacrosanct. */ - - mov zero, t0 # .. e1 : - mov zero, t6 # e0 : - beq t4, 1f # .. e1 : - ldq_u t0, 0(a0) # e0 : - lda t6, -1 # .. e1 : - mskql t6, a0, t6 # e0 : -1: - subq a1, t4, a1 # .. e1 : sub dest misalignment from src addr - - /* If source misalignment is larger than dest misalignment, we need - extra startup checks to avoid SEGV. */ - - cmplt t4, t5, t12 # e1 : - extql t1, a1, t1 # .. e0 : shift src into place - lda t2, -1 # e0 : for creating masks later - beq t12, $u_head # e1 : - - mskqh t2, t5, t2 # e0 : begin src byte validity mask - cmpbge zero, t1, t8 # .. e1 : is there a zero? - extql t2, a1, t2 # e0 : - or t8, t10, t5 # .. e1 : test for end-of-count too - cmpbge zero, t2, t3 # e0 : - cmoveq a2, t5, t8 # .. e1 : - andnot t8, t3, t8 # e0 : - beq t8, $u_head # .. e1 (zdb) - - /* At this point we've found a zero in the first partial word of - the source. We need to isolate the valid source data and mask - it into the original destination data. (Incidentally, we know - that we'll need at least one byte of that original dest word.) */ - - ldq_u t0, 0(a0) # e0 : - negq t8, t6 # .. e1 : build bitmask of bytes <= zero - mskqh t1, t4, t1 # e0 : - and t6, t8, t12 # .. e1 : - subq t12, 1, t6 # e0 : - or t6, t12, t8 # e1 : - - zapnot t2, t8, t2 # e0 : prepare source word; mirror changes - zapnot t1, t8, t1 # .. e1 : to source validity mask - - andnot t0, t2, t0 # e0 : zero place for source to reside - or t0, t1, t0 # e1 : and put it there - stq_u t0, 0(a0) # e0 : - -$finish_up: - zapnot t0, t12, t4 # was last byte written null? - cmovne t4, 1, t4 - - and t12, 0xf0, t3 # binary search for the address of the - and t12, 0xcc, t2 # last byte written - and t12, 0xaa, t1 - bic a0, 7, t0 - cmovne t3, 4, t3 - cmovne t2, 2, t2 - cmovne t1, 1, t1 - addq t0, t3, t0 - addq t1, t2, t1 - addq t0, t1, t0 - addq t0, t4, t0 # add one if we filled the buffer - - subq t0, v0, v0 # find string length - ret - -$zerolength: - clr v0 -$exception: - ret - - .end __strncpy_from_user diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c index fadd5f882ff..98838a05ba6 100644 --- a/arch/alpha/mm/fault.c +++ b/arch/alpha/mm/fault.c @@ -24,7 +24,6 @@ #include <linux/interrupt.h> #include <linux/module.h> -#include <asm/system.h> #include <asm/uaccess.h> extern void die_if_kernel(char *,struct pt_regs *,long, unsigned long *); @@ -90,6 +89,7 @@ do_page_fault(unsigned long address, unsigned long mmcsr, const struct exception_table_entry *fixup; int fault, si_code = SEGV_MAPERR; siginfo_t info; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; /* As of EV6, a load into $31/$f31 is a prefetch, and never faults (or is suppressed by the PALcode). Support that for older CPUs @@ -114,7 +114,9 @@ do_page_fault(unsigned long address, unsigned long mmcsr, if (address >= TASK_SIZE) goto vmalloc_fault; #endif - + if (user_mode(regs)) + flags |= FAULT_FLAG_USER; +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); if (!vma) @@ -140,13 +142,17 @@ do_page_fault(unsigned long address, unsigned long mmcsr, } else { if (!(vma->vm_flags & VM_WRITE)) goto bad_area; + flags |= FAULT_FLAG_WRITE; } /* If for any reason at all we couldn't handle the fault, make sure we exit gracefully rather than endlessly redo the fault. */ - fault = handle_mm_fault(mm, vma, address, cause > 0 ? FAULT_FLAG_WRITE : 0); - up_read(&mm->mmap_sem); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -154,10 +160,26 @@ do_page_fault(unsigned long address, unsigned long mmcsr, goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; + + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + /* No need to up_read(&mm->mmap_sem) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + + goto retry; + } + } + + up_read(&mm->mmap_sem); + return; /* Something tried to access memory that isn't in our memory map. @@ -187,12 +209,14 @@ do_page_fault(unsigned long address, unsigned long mmcsr, /* We ran out of memory, or some other thing happened to us that made us unable to handle the page fault gracefully. */ out_of_memory: + up_read(&mm->mmap_sem); if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); return; do_sigbus: + up_read(&mm->mmap_sem); /* Send a sigbus, regardless of whether we were in kernel or user mode. */ info.si_signo = SIGBUS; diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index 69d0c5761e2..a1bea91df56 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -22,7 +22,6 @@ #include <linux/vmalloc.h> #include <linux/gfp.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -31,6 +30,8 @@ #include <asm/mmu_context.h> #include <asm/console.h> #include <asm/tlb.h> +#include <asm/setup.h> +#include <asm/sections.h> extern void die_if_kernel(char *,struct pt_regs *,long); @@ -275,75 +276,25 @@ srm_paging_stop (void) } #endif -#ifndef CONFIG_DISCONTIGMEM -static void __init -printk_memory_info(void) -{ - unsigned long codesize, reservedpages, datasize, initsize, tmp; - extern int page_is_ram(unsigned long) __init; - extern char _text, _etext, _data, _edata; - extern char __init_begin, __init_end; - - /* printk all informations */ - reservedpages = 0; - for (tmp = 0; tmp < max_low_pfn; tmp++) - /* - * Only count reserved RAM pages - */ - if (page_is_ram(tmp) && PageReserved(mem_map+tmp)) - reservedpages++; - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_data; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, %luk data, %luk init)\n", - nr_free_pages() << (PAGE_SHIFT-10), - max_mapnr << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10); -} - void __init mem_init(void) { - max_mapnr = num_physpages = max_low_pfn; - totalram_pages += free_all_bootmem(); + set_max_mapnr(max_low_pfn); high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); - - printk_memory_info(); -} -#endif /* CONFIG_DISCONTIGMEM */ - -void -free_reserved_mem(void *start, void *end) -{ - void *__start = start; - for (; __start < end; __start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(__start)); - init_page_count(virt_to_page(__start)); - free_page((long)__start); - totalram_pages++; - } + free_all_bootmem(); + mem_init_print_info(NULL); } void free_initmem(void) { - extern char __init_begin, __init_end; - - free_reserved_mem(&__init_begin, &__init_end); - printk ("Freeing unused kernel memory: %ldk freed\n", - (&__init_end - &__init_begin) >> 10); + free_initmem_default(-1); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_reserved_mem((void *)start, (void *)end); - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + free_reserved_area((void *)start, (void *)end, -1, "initrd"); } #endif diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index 3973ae39577..d543d71c28b 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -17,6 +17,7 @@ #include <asm/hwrpb.h> #include <asm/pgalloc.h> +#include <asm/sections.h> pg_data_t node_data[MAX_NUMNODES]; EXPORT_SYMBOL(node_data); @@ -128,8 +129,6 @@ setup_memory_node(int nid, void *kernel_end) if (node_max_pfn > max_low_pfn) max_pfn = max_low_pfn = node_max_pfn; - num_physpages += node_max_pfn - node_min_pfn; - #if 0 /* we'll try this one again in a little while */ /* Cute trick to make sure our local node data is on local memory */ node_data[nid] = (pg_data_t *)(__va(node_min_pfn << PAGE_SHIFT)); @@ -320,43 +319,3 @@ void __init paging_init(void) /* Initialize the kernel's ZERO_PGE. */ memset((void *)ZERO_PGE, 0, PAGE_SIZE); } - -void __init mem_init(void) -{ - unsigned long codesize, reservedpages, datasize, initsize, pfn; - extern int page_is_ram(unsigned long) __init; - extern char _text, _etext, _data, _edata; - extern char __init_begin, __init_end; - unsigned long nid, i; - high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); - - reservedpages = 0; - for_each_online_node(nid) { - /* - * This will free up the bootmem, ie, slot 0 memory - */ - totalram_pages += free_all_bootmem_node(NODE_DATA(nid)); - - pfn = NODE_DATA(nid)->node_start_pfn; - for (i = 0; i < node_spanned_pages(nid); i++, pfn++) - if (page_is_ram(pfn) && - PageReserved(nid_page_nr(nid, i))) - reservedpages++; - } - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_data; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, " - "%luk data, %luk init)\n", - nr_free_pages() << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10); -#if 0 - mem_stress(); -#endif -} diff --git a/arch/alpha/oprofile/common.c b/arch/alpha/oprofile/common.c index bd8ac533a50..310a4ce1dcc 100644 --- a/arch/alpha/oprofile/common.c +++ b/arch/alpha/oprofile/common.c @@ -12,7 +12,7 @@ #include <linux/smp.h> #include <linux/errno.h> #include <asm/ptrace.h> -#include <asm/system.h> +#include <asm/special_insns.h> #include "op_impl.h" @@ -106,7 +106,7 @@ op_axp_stop(void) } static int -op_axp_create_files(struct super_block *sb, struct dentry *root) +op_axp_create_files(struct dentry *root) { int i; @@ -115,23 +115,23 @@ op_axp_create_files(struct super_block *sb, struct dentry *root) char buf[4]; snprintf(buf, sizeof buf, "%d", i); - dir = oprofilefs_mkdir(sb, root, buf); + dir = oprofilefs_mkdir(root, buf); - oprofilefs_create_ulong(sb, dir, "enabled", &ctr[i].enabled); - oprofilefs_create_ulong(sb, dir, "event", &ctr[i].event); - oprofilefs_create_ulong(sb, dir, "count", &ctr[i].count); + oprofilefs_create_ulong(dir, "enabled", &ctr[i].enabled); + oprofilefs_create_ulong(dir, "event", &ctr[i].event); + oprofilefs_create_ulong(dir, "count", &ctr[i].count); /* Dummies. */ - oprofilefs_create_ulong(sb, dir, "kernel", &ctr[i].kernel); - oprofilefs_create_ulong(sb, dir, "user", &ctr[i].user); - oprofilefs_create_ulong(sb, dir, "unit_mask", &ctr[i].unit_mask); + oprofilefs_create_ulong(dir, "kernel", &ctr[i].kernel); + oprofilefs_create_ulong(dir, "user", &ctr[i].user); + oprofilefs_create_ulong(dir, "unit_mask", &ctr[i].unit_mask); } if (model->can_set_proc_mode) { - oprofilefs_create_ulong(sb, root, "enable_pal", + oprofilefs_create_ulong(root, "enable_pal", &sys.enable_pal); - oprofilefs_create_ulong(sb, root, "enable_kernel", + oprofilefs_create_ulong(root, "enable_kernel", &sys.enable_kernel); - oprofilefs_create_ulong(sb, root, "enable_user", + oprofilefs_create_ulong(root, "enable_user", &sys.enable_user); } diff --git a/arch/alpha/oprofile/op_model_ev4.c b/arch/alpha/oprofile/op_model_ev4.c index 80d764dbf22..18aa9b4f94f 100644 --- a/arch/alpha/oprofile/op_model_ev4.c +++ b/arch/alpha/oprofile/op_model_ev4.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/smp.h> #include <asm/ptrace.h> -#include <asm/system.h> #include "op_impl.h" diff --git a/arch/alpha/oprofile/op_model_ev5.c b/arch/alpha/oprofile/op_model_ev5.c index ceea6e1ad79..c32f8a0ad92 100644 --- a/arch/alpha/oprofile/op_model_ev5.c +++ b/arch/alpha/oprofile/op_model_ev5.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/smp.h> #include <asm/ptrace.h> -#include <asm/system.h> #include "op_impl.h" diff --git a/arch/alpha/oprofile/op_model_ev6.c b/arch/alpha/oprofile/op_model_ev6.c index 0869f85f574..1c84cc257fc 100644 --- a/arch/alpha/oprofile/op_model_ev6.c +++ b/arch/alpha/oprofile/op_model_ev6.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/smp.h> #include <asm/ptrace.h> -#include <asm/system.h> #include "op_impl.h" diff --git a/arch/alpha/oprofile/op_model_ev67.c b/arch/alpha/oprofile/op_model_ev67.c index 5b9d178e022..34a57a12655 100644 --- a/arch/alpha/oprofile/op_model_ev67.c +++ b/arch/alpha/oprofile/op_model_ev67.c @@ -12,7 +12,6 @@ #include <linux/init.h> #include <linux/smp.h> #include <asm/ptrace.h> -#include <asm/system.h> #include "op_impl.h" |