diff options
Diffstat (limited to 'arch/parisc/include/asm')
24 files changed, 109 insertions, 134 deletions
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index ff4c9faed54..ecf25e6678a 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -1,6 +1,29 @@ -generic-y += word-at-a-time.h auxvec.h user.h cputime.h emergency-restart.h \ - segment.h topology.h vga.h device.h percpu.h hw_irq.h mutex.h \ - div64.h irq_regs.h kdebug.h kvm_para.h local64.h local.h param.h \ - poll.h xor.h clkdev.h exec.h +generic-y += auxvec.h +generic-y += barrier.h +generic-y += clkdev.h +generic-y += cputime.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h +generic-y += exec.h +generic-y += hash.h +generic-y += hw_irq.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += kvm_para.h +generic-y += local.h +generic-y += local64.h +generic-y += mcs_spinlock.h +generic-y += mutex.h +generic-y += param.h +generic-y += percpu.h +generic-y += poll.h +generic-y += preempt.h +generic-y += segment.h +generic-y += topology.h generic-y += trace_clock.h +generic-y += user.h +generic-y += vga.h +generic-y += word-at-a-time.h +generic-y += xor.h diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h index 0da84823234..b3069fd8346 100644 --- a/arch/parisc/include/asm/assembly.h +++ b/arch/parisc/include/asm/assembly.h @@ -515,5 +515,17 @@ nop /* 7 */ .endm + /* + * ASM_EXCEPTIONTABLE_ENTRY + * + * Creates an exception table entry. + * Do not convert to a assembler macro. This won't work. + */ +#define ASM_EXCEPTIONTABLE_ENTRY(fault_addr, except_addr) \ + .section __ex_table,"aw" ! \ + ASM_ULONG_INSN fault_addr, except_addr ! \ + .previous + + #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 472886ceab1..0be2db2c7d4 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -7,6 +7,7 @@ #include <linux/types.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -143,11 +144,6 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) #define ATOMIC_INIT(i) { (i) } -#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() - #ifdef CONFIG_64BIT #define ATOMIC64_INIT(i) { (i) } diff --git a/arch/parisc/include/asm/barrier.h b/arch/parisc/include/asm/barrier.h deleted file mode 100644 index e77d834aa80..00000000000 --- a/arch/parisc/include/asm/barrier.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef __PARISC_BARRIER_H -#define __PARISC_BARRIER_H - -/* -** This is simply the barrier() macro from linux/kernel.h but when serial.c -** uses tqueue.h uses smp_mb() defined using barrier(), linux/kernel.h -** hasn't yet been included yet so it fails, thus repeating the macro here. -** -** PA-RISC architecture allows for weakly ordered memory accesses although -** none of the processors use it. There is a strong ordered bit that is -** set in the O-bit of the page directory entry. Operating systems that -** can not tolerate out of order accesses should set this bit when mapping -** pages. The O-bit of the PSW should also be set to 1 (I don't believe any -** of the processor implemented the PSW O-bit). The PCX-W ERS states that -** the TLB O-bit is not implemented so the page directory does not need to -** have the O-bit set when mapping pages (section 3.1). This section also -** states that the PSW Y, Z, G, and O bits are not implemented. -** So it looks like nothing needs to be done for parisc-linux (yet). -** (thanks to chada for the above comment -ggg) -** -** The __asm__ op below simple prevents gcc/ld from reordering -** instructions across the mb() "call". -*/ -#define mb() __asm__ __volatile__("":::"memory") /* barrier() */ -#define rmb() mb() -#define wmb() mb() -#define smp_mb() mb() -#define smp_rmb() mb() -#define smp_wmb() mb() -#define smp_read_barrier_depends() do { } while(0) -#define read_barrier_depends() do { } while(0) - -#define set_mb(var, value) do { var = value; mb(); } while (0) - -#endif /* __PARISC_BARRIER_H */ diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h index 8c9b631d2a7..3f9406d9b9d 100644 --- a/arch/parisc/include/asm/bitops.h +++ b/arch/parisc/include/asm/bitops.h @@ -8,6 +8,7 @@ #include <linux/compiler.h> #include <asm/types.h> /* for BITS_PER_LONG/SHIFT_PER_LONG */ #include <asm/byteorder.h> +#include <asm/barrier.h> #include <linux/atomic.h> /* @@ -19,9 +20,6 @@ #define CHOP_SHIFTCOUNT(x) (((unsigned long) (x)) & (BITS_PER_LONG - 1)) -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() - /* See http://marc.theaimsgroup.com/?t=108826637900003 for discussion * on use of volatile and __*_bit() (set/clear/change): * *_bit() want use of volatile. diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index f0e2784e7cc..de65f66ea64 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -125,15 +125,10 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma void mark_rodata_ro(void); #endif -#ifdef CONFIG_PA8X00 -/* Only pa8800, pa8900 needs this */ - #include <asm/kmap_types.h> #define ARCH_HAS_KMAP -void kunmap_parisc(void *addr); - static inline void *kmap(struct page *page) { might_sleep(); @@ -142,7 +137,7 @@ static inline void *kmap(struct page *page) static inline void kunmap(struct page *page) { - kunmap_parisc(page_address(page)); + flush_kernel_dcache_page_addr(page_address(page)); } static inline void *kmap_atomic(struct page *page) @@ -153,14 +148,13 @@ static inline void *kmap_atomic(struct page *page) static inline void __kunmap_atomic(void *addr) { - kunmap_parisc(addr); + flush_kernel_dcache_page_addr(addr); pagefault_enable(); } #define kmap_atomic_prot(page, prot) kmap_atomic(page) #define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) -#endif #endif /* _PARISC_CACHEFLUSH_H */ diff --git a/arch/parisc/include/asm/delay.h b/arch/parisc/include/asm/delay.h index 912ee7e6a57..08e58e679e3 100644 --- a/arch/parisc/include/asm/delay.h +++ b/arch/parisc/include/asm/delay.h @@ -1,15 +1,5 @@ -#ifndef _PARISC_DELAY_H -#define _PARISC_DELAY_H - -#include <asm/special_insns.h> /* for mfctl() */ -#include <asm/processor.h> /* for boot_cpu_data */ - - -/* - * Copyright (C) 1993 Linus Torvalds - * - * Delay routines - */ +#ifndef _ASM_PARISC_DELAY_H +#define _ASM_PARISC_DELAY_H static __inline__ void __delay(unsigned long loops) { asm volatile( @@ -19,25 +9,14 @@ static __inline__ void __delay(unsigned long loops) { : "=r" (loops) : "0" (loops)); } -static __inline__ void __cr16_delay(unsigned long clocks) { - unsigned long start; - - /* - * Note: Due to unsigned math, cr16 rollovers shouldn't be - * a problem here. However, on 32 bit, we need to make sure - * we don't pass in too big a value. The current default - * value of MAX_UDELAY_MS should help prevent this. - */ +extern void __udelay(unsigned long usecs); +extern void __udelay_bad(unsigned long usecs); - start = mfctl(16); - while ((mfctl(16) - start) < clocks) - ; +static inline void udelay(unsigned long usecs) +{ + if (__builtin_constant_p(usecs) && (usecs) > 20000) + __udelay_bad(usecs); + __udelay(usecs); } -static __inline__ void __udelay(unsigned long usecs) { - __cr16_delay(usecs * ((unsigned long)boot_cpu_data.cpu_hz / 1000000UL)); -} - -#define udelay(n) __udelay(n) - -#endif /* defined(_PARISC_DELAY_H) */ +#endif /* _ASM_PARISC_DELAY_H */ diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h index ad2b5039789..3391d061ecc 100644 --- a/arch/parisc/include/asm/elf.h +++ b/arch/parisc/include/asm/elf.h @@ -348,4 +348,8 @@ struct pt_regs; /* forward declaration... */ #define ELF_HWCAP 0 +struct mm_struct; +extern unsigned long arch_randomize_brk(struct mm_struct *); +#define arch_randomize_brk arch_randomize_brk + #endif diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h index 72c0fafaa03..544ed8ef87e 100644 --- a/arch/parisc/include/asm/ftrace.h +++ b/arch/parisc/include/asm/ftrace.h @@ -24,15 +24,7 @@ extern void return_to_handler(void); extern unsigned long return_address(unsigned int); -#define HAVE_ARCH_CALLER_ADDR - -#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) -#define CALLER_ADDR1 return_address(1) -#define CALLER_ADDR2 return_address(2) -#define CALLER_ADDR3 return_address(3) -#define CALLER_ADDR4 return_address(4) -#define CALLER_ADDR5 return_address(5) -#define CALLER_ADDR6 return_address(6) +#define ftrace_return_address(n) return_address(n) #endif /* __ASSEMBLY__ */ diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 241c3451846..9b3bd039a60 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -21,7 +21,6 @@ typedef struct { unsigned int irq_stack_usage; #ifdef CONFIG_SMP unsigned int irq_resched_count; - unsigned int irq_call_count; #endif unsigned int irq_unaligned_count; unsigned int irq_fpassist_count; diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index b7adb2ac049..60d5d174dfe 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -28,20 +28,9 @@ struct page; void clear_page_asm(void *page); void copy_page_asm(void *to, void *from); -void clear_user_page(void *vto, unsigned long vaddr, struct page *pg); +#define clear_user_page(vto, vaddr, page) clear_page_asm(vto) void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, - struct page *pg); - -/* #define CONFIG_PARISC_TMPALIAS */ - -#ifdef CONFIG_PARISC_TMPALIAS -void clear_user_highpage(struct page *page, unsigned long vaddr); -#define clear_user_highpage clear_user_highpage -struct vm_area_struct; -void copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr, struct vm_area_struct *vma); -#define __HAVE_ARCH_COPY_USER_HIGHPAGE -#endif + struct page *pg); /* * These are used to make use of C type-checking.. diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index 465154076d2..20df2b04fc0 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h @@ -215,11 +215,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, } #endif -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't need to penalize isa irq's */ -} - static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? 15 : 14; diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index fc987a1c12a..f213f5b4c42 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -121,8 +121,12 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { struct page *page = alloc_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); - if (page) - pgtable_page_ctor(page); + if (!page) + return NULL; + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; + } return page; } diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 34899b5d959..22b89d1edba 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -511,6 +511,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, /* We provide our own get_unmapped_area to provide cache coherency */ #define HAVE_ARCH_UNMAPPED_AREA +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_GET_AND_CLEAR diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index cc2290a3cac..d951c9681ab 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -30,6 +30,8 @@ #endif #define current_text_addr() ({ void *pc; current_ia(pc); pc; }) +#define HAVE_ARCH_PICK_MMAP_LAYOUT + #define TASK_SIZE_OF(tsk) ((tsk)->thread.task_size) #define TASK_SIZE TASK_SIZE_OF(current) #define TASK_UNMAPPED_BASE (current->thread.map_base) @@ -53,6 +55,11 @@ #define STACK_TOP TASK_SIZE #define STACK_TOP_MAX DEFAULT_TASK_SIZE +/* Allow bigger stacks for 64-bit processes */ +#define STACK_SIZE_MAX (USER_WIDE_MODE \ + ? (1 << 30) /* 1 GB */ \ + : (CONFIG_MAX_STACK_SIZE_MB*1024*1024)) + #endif #ifndef __ASSEMBLY__ diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h index a2db278a5de..3c3cb004b7e 100644 --- a/arch/parisc/include/asm/ptrace.h +++ b/arch/parisc/include/asm/ptrace.h @@ -19,5 +19,9 @@ #define user_stack_pointer(regs) ((regs)->gr[30]) unsigned long profile_pc(struct pt_regs *); +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->gr[20]; +} #endif diff --git a/arch/parisc/include/asm/serial.h b/arch/parisc/include/asm/serial.h index d7e3cc60dbc..77e9b67c87e 100644 --- a/arch/parisc/include/asm/serial.h +++ b/arch/parisc/include/asm/serial.h @@ -6,5 +6,3 @@ * This is used for 16550-compatible UARTs */ #define BASE_BAUD ( 1843200 / 16 ) - -#define SERIAL_PORT_DFNS diff --git a/arch/parisc/include/asm/shmparam.h b/arch/parisc/include/asm/shmparam.h index 628ddc22faa..afe1300ab66 100644 --- a/arch/parisc/include/asm/shmparam.h +++ b/arch/parisc/include/asm/shmparam.h @@ -1,8 +1,7 @@ #ifndef _ASMPARISC_SHMPARAM_H #define _ASMPARISC_SHMPARAM_H -#define __ARCH_FORCE_SHMLBA 1 - -#define SHMLBA 0x00400000 /* attach addr needs to be 4 Mb aligned */ +#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ +#define SHM_COLOUR 0x00400000 /* shared mappings colouring */ #endif /* _ASMPARISC_SHMPARAM_H */ diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h new file mode 100644 index 00000000000..748016cb122 --- /dev/null +++ b/arch/parisc/include/asm/socket.h @@ -0,0 +1,11 @@ +#ifndef _ASM_SOCKET_H +#define _ASM_SOCKET_H + +#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/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h index 3516e0b2704..64f2992e439 100644 --- a/arch/parisc/include/asm/spinlock.h +++ b/arch/parisc/include/asm/spinlock.h @@ -191,8 +191,4 @@ static __inline__ int arch_write_can_lock(arch_rwlock_t *rw) #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 /* __ASM_SPINLOCK_H */ diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index 540c88fa8f8..4b9b10ce1f9 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -46,9 +46,6 @@ struct thread_info { #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #define THREAD_SHIFT (PAGE_SHIFT + THREAD_SIZE_ORDER) -#define PREEMPT_ACTIVE_BIT 28 -#define PREEMPT_ACTIVE (1 << PREEMPT_ACTIVE_BIT) - /* * thread information flags */ @@ -59,6 +56,7 @@ struct thread_info { #define TIF_32BIT 4 /* 32 bit binary */ #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 6 /* restore saved signal mask */ +#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 /* single stepping? */ #define TIF_BLOCKSTEP 10 /* branch stepping? */ @@ -68,6 +66,7 @@ struct thread_info { #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_32BIT (1 << TIF_32BIT) +#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) @@ -75,7 +74,17 @@ struct thread_info { #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ _TIF_NEED_RESCHED) #define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ - _TIF_BLOCKSTEP) + _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT) + +#ifdef CONFIG_64BIT +# ifdef CONFIG_COMPAT +# define is_32bit_task() (test_thread_flag(TIF_32BIT)) +# else +# define is_32bit_task() (0) +# endif +#else +# define is_32bit_task() (1) +#endif #endif /* __KERNEL__ */ diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h index 1945f995f2d..4736020ba5e 100644 --- a/arch/parisc/include/asm/traps.h +++ b/arch/parisc/include/asm/traps.h @@ -6,7 +6,7 @@ struct pt_regs; /* traps.c */ void parisc_terminate(char *msg, struct pt_regs *regs, - int code, unsigned long offset); + int code, unsigned long offset) __noreturn __cold; /* mm/fault.c */ void do_page_fault(struct pt_regs *regs, unsigned long code, diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index e0a82358517..4006964d8e1 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -59,12 +59,13 @@ static inline long access_ok(int type, const void __user * addr, /* * The exception table contains two values: the first is an address * for an instruction that is allowed to fault, and the second is - * the address to the fixup routine. + * the address to the fixup routine. Even on a 64bit kernel we could + * use a 32bit (unsigned int) address here. */ struct exception_table_entry { - unsigned long insn; /* address of insn that is allowed to fault. */ - long fixup; /* fixup routine */ + unsigned long insn; /* address of insn that is allowed to fault. */ + unsigned long fixup; /* fixup routine */ }; #define ASM_EXCEPTIONTABLE_ENTRY( fault_addr, except_addr )\ diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h index 74d835820ee..5f4c68daa26 100644 --- a/arch/parisc/include/asm/unistd.h +++ b/arch/parisc/include/asm/unistd.h @@ -145,7 +145,6 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK #define __ARCH_WANT_SYS_SIGNAL #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_COMPAT_SYS_TIME |