diff options
Diffstat (limited to 'arch/frv')
113 files changed, 1093 insertions, 1898 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index f6bcb039cd6..34aa19352dc 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -3,8 +3,17 @@ config FRV default y select HAVE_IDE select HAVE_ARCH_TRACEHOOK - select HAVE_IRQ_WORK select HAVE_PERF_EVENTS + select HAVE_UID16 + select VIRT_TO_BUS + select GENERIC_IRQ_SHOW + select HAVE_DEBUG_BUGVERBOSE + select ARCH_HAVE_NMI_SAFE_CMPXCHG + select GENERIC_CPU_DEVICES + select ARCH_WANT_IPC_PARSE_VERSION + select OLD_SIGSUSPEND3 + select OLD_SIGACTION + select HAVE_DEBUG_STACKOVERFLOW config ZONE_DMA bool @@ -17,10 +26,6 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool -config GENERIC_FIND_NEXT_BIT - bool - default y - config GENERIC_HWEIGHT bool default y @@ -29,14 +34,6 @@ config GENERIC_CALIBRATE_DELAY bool default n -config GENERIC_HARDIRQS - bool - default y - -config GENERIC_HARDIRQS_NO__DO_IRQ - bool - default y - config TIME_LOW_RES bool default y @@ -326,6 +323,7 @@ config PCI bool "Use PCI" depends on MB93090_MB00 default y + select GENERIC_PCI_IOMAP help Some FR-V systems (such as the MB93090-MB00 VDK) have PCI onboard. If you have one of these boards and you wish to use the PCI @@ -350,21 +348,10 @@ source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" -#config MATH_EMULATION -# bool "Math emulation support (EXPERIMENTAL)" -# depends on EXPERIMENTAL -# help -# At some point in the future, this will cause floating-point math -# instructions to be emulated by the kernel on machines that lack a -# floating-point math coprocessor. Thrill-seekers and chronically -# sleep-deprived psychotic hacker types can say Y now, everyone else -# should probably wait a while. - menu "Power management options" config ARCH_SUSPEND_POSSIBLE def_bool y - depends on !SMP source kernel/power/Kconfig endmenu diff --git a/arch/frv/Kconfig.debug b/arch/frv/Kconfig.debug index 211f01bc4ca..98c99a3ed2b 100644 --- a/arch/frv/Kconfig.debug +++ b/arch/frv/Kconfig.debug @@ -2,10 +2,6 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -config DEBUG_STACKOVERFLOW - bool "Check for stack overflows" - depends on DEBUG_KERNEL - config GDBSTUB bool "Remote GDB kernel debugging" depends on DEBUG_KERNEL diff --git a/arch/frv/Makefile b/arch/frv/Makefile index 7ff84575b18..2a8fb730d1c 100644 --- a/arch/frv/Makefile +++ b/arch/frv/Makefile @@ -74,14 +74,7 @@ KBUILD_CFLAGS += -mno-fdpic -mgpr-32 -msoft-float -mno-media KBUILD_CFLAGS += -ffixed-fcc3 -ffixed-cc3 -ffixed-gr15 -ffixed-icc2 KBUILD_AFLAGS += -mno-fdpic -# make sure the .S files get compiled with debug info -# and disable optimisations that are unhelpful whilst debugging -ifdef CONFIG_DEBUG_INFO -#KBUILD_CFLAGS += -O1 -KBUILD_AFLAGS += -Wa,--gdwarf2 -endif - -head-y := arch/frv/kernel/head.o arch/frv/kernel/init_task.o +head-y := arch/frv/kernel/head.o core-y += arch/frv/kernel/ arch/frv/mm/ libs-y += arch/frv/lib/ diff --git a/arch/frv/boot/Makefile b/arch/frv/boot/Makefile index 6ae3254da01..636d5bbcd53 100644 --- a/arch/frv/boot/Makefile +++ b/arch/frv/boot/Makefile @@ -17,6 +17,8 @@ PARAMS_PHYS = 0x0207c000 INITRD_PHYS = 0x02180000 INITRD_VIRT = 0x02180000 +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment + # # If you don't define ZRELADDR above, # then it defaults to ZTEXTADDR @@ -32,18 +34,18 @@ Image: $(obj)/Image targets: $(obj)/Image $(obj)/Image: vmlinux FORCE - $(OBJCOPY) -O binary -R .note -R .comment -S vmlinux $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S vmlinux $@ #$(obj)/Image: $(CONFIGURE) $(SYSTEM) -# $(OBJCOPY) -O binary -R .note -R .comment -g -S $(SYSTEM) $@ +# $(OBJCOPY) $(OBJCOPYFLAGS) -g -S $(SYSTEM) $@ bzImage: zImage zImage: $(CONFIGURE) compressed/$(LINUX) - $(OBJCOPY) -O binary -R .note -R .comment -S compressed/$(LINUX) $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S compressed/$(LINUX) $@ bootpImage: bootp/bootp - $(OBJCOPY) -O binary -R .note -R .comment -S bootp/bootp $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S bootp/bootp $@ compressed/$(LINUX): $(LINUX) dep @$(MAKE) -C compressed $(LINUX) diff --git a/arch/frv/defconfig b/arch/frv/defconfig index b8ebe9e8a49..b1b792610fd 100644 --- a/arch/frv/defconfig +++ b/arch/frv/defconfig @@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_HOTPLUG is not set CONFIG_MMU=y CONFIG_FRV_OUTOFLINE_ATOMIC_OPS=y diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 5be6663cfee..87b95eb8aee 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -1,4 +1,8 @@ -include include/asm-generic/Kbuild.asm -header-y += registers.h -header-y += termios.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/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index fae32c7fdcb..f6c3a169010 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -16,7 +16,8 @@ #include <linux/types.h> #include <asm/spr-regs.h> -#include <asm/system.h> +#include <asm/cmpxchg.h> +#include <asm/barrier.h> #ifdef CONFIG_SMP #error not SMP safe @@ -29,12 +30,6 @@ * We do not have SMP systems, so we don't have to deal with that. */ -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - #define ATOMIC_INIT(i) { (i) } #define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_set(v, i) (((v)->counter) = (i)) @@ -181,67 +176,12 @@ static inline void atomic64_dec(atomic64_t *v) #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) #define atomic64_inc_and_test(v) (atomic64_inc_return((v)) == 0) -/*****************************************************************************/ -/* - * exchange value with memory - */ -extern uint64_t __xchg_64(uint64_t i, volatile void *v); - -#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS - -#define xchg(ptr, x) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig; \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: \ - asm volatile( \ - "swap%I0 %M0,%1" \ - : "+m"(*__xg_ptr), "=r"(__xg_orig) \ - : "1"(x) \ - : "memory" \ - ); \ - break; \ - \ - default: \ - __xg_orig = (__typeof__(__xg_orig))0; \ - asm volatile("break"); \ - break; \ - } \ - \ - __xg_orig; \ -}) - -#else - -extern uint32_t __xchg_32(uint32_t i, volatile void *v); - -#define xchg(ptr, x) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig; \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: __xg_orig = (__typeof__(*(ptr))) __xchg_32((uint32_t) x, __xg_ptr); break; \ - default: \ - __xg_orig = (__typeof__(__xg_orig))0; \ - asm volatile("break"); \ - break; \ - } \ - __xg_orig; \ -}) - -#endif - -#define tas(ptr) (xchg((ptr), 1)) - #define atomic_cmpxchg(v, old, new) (cmpxchg(&(v)->counter, old, new)) #define atomic_xchg(v, new) (xchg(&(v)->counter, new)) #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter)) #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter)) -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -253,10 +193,8 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#include <asm-generic/atomic-long.h> #endif /* _ASM_ATOMIC_H */ diff --git a/arch/frv/include/asm/barrier.h b/arch/frv/include/asm/barrier.h new file mode 100644 index 00000000000..abbef470154 --- /dev/null +++ b/arch/frv/include/asm/barrier.h @@ -0,0 +1,23 @@ +/* FR-V CPU memory barrier definitions + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.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_BARRIER_H +#define _ASM_BARRIER_H + +#define nop() asm volatile ("nop"::) + +#define mb() asm volatile ("membar" : : :"memory") +#define rmb() asm volatile ("membar" : : :"memory") +#define wmb() asm volatile ("membar" : : :"memory") + +#include <asm-generic/barrier.h> + +#endif /* _ASM_BARRIER_H */ diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h index 50ae91b2967..96de220ef13 100644 --- a/arch/frv/include/asm/bitops.h +++ b/arch/frv/include/asm/bitops.h @@ -25,12 +25,6 @@ #include <asm-generic/bitops/ffz.h> -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS static inline unsigned long atomic_test_and_ANDNOT_mask(unsigned long mask, volatile unsigned long *v) @@ -401,12 +395,9 @@ int __ilog2_u64(u64 n) #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/ext2-non-atomic.h> - -#define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit ((nr) ^ 0x18, (addr)) -#define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr) ^ 0x18, (addr)) +#include <asm-generic/bitops/le.h> -#include <asm-generic/bitops/minix-le.h> +#include <asm-generic/bitops/ext2-atomic-setbit.h> #endif /* __KERNEL__ */ diff --git a/arch/frv/include/asm/bug.h b/arch/frv/include/asm/bug.h index 2e054508a2f..dd01bcf42ee 100644 --- a/arch/frv/include/asm/bug.h +++ b/arch/frv/include/asm/bug.h @@ -51,4 +51,6 @@ do { \ #include <asm-generic/bug.h> +extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2))); + #endif diff --git a/arch/frv/include/asm/system.h b/arch/frv/include/asm/cmpxchg.h index 0a6d8d9ca45..5b04dd0aeca 100644 --- a/arch/frv/include/asm/system.h +++ b/arch/frv/include/asm/cmpxchg.h @@ -1,6 +1,9 @@ -/* system.h: FR-V CPU control definitions +/* xchg and cmpxchg operation emulation for FR-V * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * For an explanation of how atomic ops work in this arch, see: + * Documentation/frv/atomic-ops.txt + * + * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or @@ -8,63 +11,65 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - -#ifndef _ASM_SYSTEM_H -#define _ASM_SYSTEM_H +#ifndef _ASM_CMPXCHG_H +#define _ASM_CMPXCHG_H #include <linux/types.h> -#include <linux/linkage.h> -#include <linux/kernel.h> - -struct thread_struct; +/*****************************************************************************/ /* - * switch_to(prev, next) should switch from task `prev' to `next' - * `prev' will never be the same as `next'. - * The `mb' is to tell GCC not to cache `current' across this call. + * exchange value with memory */ -extern asmlinkage -struct task_struct *__switch_to(struct thread_struct *prev_thread, - struct thread_struct *next_thread, - struct task_struct *prev); - -#define switch_to(prev, next, last) \ -do { \ - (prev)->thread.sched_lr = \ - (unsigned long) __builtin_return_address(0); \ - (last) = __switch_to(&(prev)->thread, &(next)->thread, (prev)); \ - mb(); \ -} while(0) +extern uint64_t __xchg_64(uint64_t i, volatile void *v); + +#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS + +#define xchg(ptr, x) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig; \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: \ + asm volatile( \ + "swap%I0 %M0,%1" \ + : "+m"(*__xg_ptr), "=r"(__xg_orig) \ + : "1"(x) \ + : "memory" \ + ); \ + break; \ + \ + default: \ + __xg_orig = (__typeof__(__xg_orig))0; \ + asm volatile("break"); \ + break; \ + } \ + \ + __xg_orig; \ +}) -/* - * Force strict CPU ordering. - */ -#define nop() asm volatile ("nop"::) -#define mb() asm volatile ("membar" : : :"memory") -#define rmb() asm volatile ("membar" : : :"memory") -#define wmb() asm volatile ("membar" : : :"memory") -#define read_barrier_depends() do { } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#define set_mb(var, value) \ - do { xchg(&var, (value)); } while (0) #else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do {} while(0) -#define set_mb(var, value) \ - do { var = (value); barrier(); } while (0) -#endif -extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2))); -extern void free_initmem(void); +extern uint32_t __xchg_32(uint32_t i, volatile void *v); + +#define xchg(ptr, x) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig; \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: __xg_orig = (__typeof__(*(ptr))) __xchg_32((uint32_t) x, __xg_ptr); break; \ + default: \ + __xg_orig = (__typeof__(__xg_orig))0; \ + asm volatile("break"); \ + break; \ + } \ + __xg_orig; \ +}) + +#endif -#define arch_align_stack(x) (x) +#define tas(ptr) (xchg((ptr), 1)) /*****************************************************************************/ /* @@ -164,4 +169,4 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, (unsigned long)(n), sizeof(*(ptr)))) #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) -#endif /* _ASM_SYSTEM_H */ +#endif /* _ASM_CMPXCHG_H */ diff --git a/arch/frv/include/asm/cpumask.h b/arch/frv/include/asm/cpumask.h deleted file mode 100644 index d999c20c84d..00000000000 --- a/arch/frv/include/asm/cpumask.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_CPUMASK_H -#define _ASM_CPUMASK_H - -#include <asm-generic/cpumask.h> - -#endif /* _ASM_CPUMASK_H */ diff --git a/arch/frv/include/asm/cputime.h b/arch/frv/include/asm/cputime.h deleted file mode 100644 index f6c373ad2b8..00000000000 --- a/arch/frv/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_CPUTIME_H -#define _ASM_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* _ASM_CPUTIME_H */ diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index dfb811002c6..1746a2b8e6e 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -132,4 +132,19 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, flush_write_buffers(); } +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif /* _ASM_DMA_MAPPING_H */ diff --git a/arch/frv/include/asm/elf.h b/arch/frv/include/asm/elf.h index c3819804a74..2bac6446db4 100644 --- a/arch/frv/include/asm/elf.h +++ b/arch/frv/include/asm/elf.h @@ -137,6 +137,4 @@ do { \ #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) - #endif diff --git a/arch/frv/include/asm/futex.h b/arch/frv/include/asm/futex.h index 08b3d1da358..4bea27f50a7 100644 --- a/arch/frv/include/asm/futex.h +++ b/arch/frv/include/asm/futex.h @@ -7,10 +7,11 @@ #include <asm/errno.h> #include <asm/uaccess.h> -extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr); +extern int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr); static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { return -ENOSYS; } diff --git a/arch/frv/include/asm/hardirq.h b/arch/frv/include/asm/hardirq.h index 5fc8b6f5bc5..c62833d6ebb 100644 --- a/arch/frv/include/asm/hardirq.h +++ b/arch/frv/include/asm/hardirq.h @@ -12,7 +12,7 @@ #ifndef __ASM_HARDIRQ_H #define __ASM_HARDIRQ_H -#include <asm/atomic.h> +#include <linux/atomic.h> extern atomic_t irq_err_count; static inline void ack_bad_irq(int irq) diff --git a/arch/frv/include/asm/highmem.h b/arch/frv/include/asm/highmem.h index a8d6565d415..b3adc93611f 100644 --- a/arch/frv/include/asm/highmem.h +++ b/arch/frv/include/asm/highmem.h @@ -76,15 +76,16 @@ extern struct page *kmap_atomic_to_page(void *ptr); #ifndef __ASSEMBLY__ -#define __kmap_atomic_primary(type, paddr, ampr) \ +#define __kmap_atomic_primary(cached, paddr, ampr) \ ({ \ unsigned long damlr, dampr; \ \ dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \ \ - if (type != __KM_CACHE) \ + if (!cached) \ asm volatile("movgs %0,dampr"#ampr :: "r"(dampr) : "memory"); \ else \ + /* cache flush page attachment point */ \ asm volatile("movgs %0,iampr"#ampr"\n" \ "movgs %0,dampr"#ampr"\n" \ :: "r"(dampr) : "memory" \ @@ -112,29 +113,20 @@ extern struct page *kmap_atomic_to_page(void *ptr); (void *) damlr; \ }) -static inline void *kmap_atomic_primary(struct page *page, enum km_type type) +static inline void *kmap_atomic_primary(struct page *page) { unsigned long paddr; pagefault_disable(); paddr = page_to_phys(page); - switch (type) { - case 0: return __kmap_atomic_primary(0, paddr, 2); - case 1: return __kmap_atomic_primary(1, paddr, 3); - case 2: return __kmap_atomic_primary(2, paddr, 4); - case 3: return __kmap_atomic_primary(3, paddr, 5); - - default: - BUG(); - return NULL; - } + return __kmap_atomic_primary(1, paddr, 2); } -#define __kunmap_atomic_primary(type, ampr) \ +#define __kunmap_atomic_primary(cached, ampr) \ do { \ asm volatile("movgs gr0,dampr"#ampr"\n" ::: "memory"); \ - if (type == __KM_CACHE) \ + if (cached) \ asm volatile("movgs gr0,iampr"#ampr"\n" ::: "memory"); \ } while(0) @@ -143,21 +135,13 @@ do { \ asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr) : "memory"); \ } while(0) -static inline void kunmap_atomic_primary(void *kvaddr, enum km_type type) +static inline void kunmap_atomic_primary(void *kvaddr) { - switch (type) { - case 0: __kunmap_atomic_primary(0, 2); break; - case 1: __kunmap_atomic_primary(1, 3); break; - case 2: __kunmap_atomic_primary(2, 4); break; - case 3: __kunmap_atomic_primary(3, 5); break; - - default: - BUG(); - } + __kunmap_atomic_primary(1, 2); pagefault_enable(); } -void *__kmap_atomic(struct page *page); +void *kmap_atomic(struct page *page); void __kunmap_atomic(void *kvaddr); #endif /* !__ASSEMBLY__ */ diff --git a/arch/frv/include/asm/io.h b/arch/frv/include/asm/io.h index ca7475e73b5..8cb50a2fbcb 100644 --- a/arch/frv/include/asm/io.h +++ b/arch/frv/include/asm/io.h @@ -21,6 +21,7 @@ #include <asm/virtconvert.h> #include <asm/string.h> #include <asm/mb-regs.h> +#include <asm-generic/pci_iomap.h> #include <linux/delay.h> /* @@ -370,7 +371,6 @@ static inline void iowrite32_rep(void __iomem *p, const void *src, unsigned long /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ struct pci_dev; -extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) { } diff --git a/arch/frv/include/asm/ipcbuf.h b/arch/frv/include/asm/ipcbuf.h deleted file mode 100644 index b546f67e455..00000000000 --- a/arch/frv/include/asm/ipcbuf.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef __ASM_IPCBUF_H__ -#define __ASM_IPCBUF_H__ - -/* - * The user_ipc_perm structure for FR-V architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __ASM_IPCBUF_H__ */ - diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h index f8e16b2a580..43901f22096 100644 --- a/arch/frv/include/asm/kmap_types.h +++ b/arch/frv/include/asm/kmap_types.h @@ -2,28 +2,6 @@ #ifndef _ASM_KMAP_TYPES_H #define _ASM_KMAP_TYPES_H -enum km_type { - /* arch specific kmaps - change the numbers attached to these at your peril */ - __KM_CACHE, /* cache flush page attachment point */ - __KM_PGD, /* current page directory */ - __KM_ITLB_PTD, /* current instruction TLB miss page table lookup */ - __KM_DTLB_PTD, /* current data TLB miss page table lookup */ - - /* general kmaps */ - KM_BOUNCE_READ, - KM_SKB_SUNRPC_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_BIO_SRC_IRQ, - KM_BIO_DST_IRQ, - KM_PTE0, - KM_PTE1, - KM_IRQ0, - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, - KM_TYPE_NR -}; +#define KM_TYPE_NR 17 #endif diff --git a/arch/frv/include/asm/module.h b/arch/frv/include/asm/module.h index 3d5c6360289..a8848f09a21 100644 --- a/arch/frv/include/asm/module.h +++ b/arch/frv/include/asm/module.h @@ -11,13 +11,7 @@ #ifndef _ASM_MODULE_H #define _ASM_MODULE_H -struct mod_arch_specific -{ -}; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr +#include <asm-generic/module.h> /* * Include the architecture version. diff --git a/arch/frv/include/asm/param.h b/arch/frv/include/asm/param.h deleted file mode 100644 index 6859dd503ed..00000000000 --- a/arch/frv/include/asm/param.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef _ASM_PARAM_H -#define _ASM_PARAM_H - -#ifdef __KERNEL__ -#define HZ CONFIG_HZ /* Internal kernel timer frequency */ -#define USER_HZ 100 /* .. some user interfaces are in "ticks" */ -#define CLOCKS_PER_SEC (USER_HZ) /* like times() */ -#endif - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 16384 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif /* _ASM_PARAM_H */ diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 0d599790985..2035a4d3f9b 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -24,8 +24,6 @@ struct pci_dev; extern void pcibios_set_master(struct pci_dev *dev); -extern void pcibios_penalize_isa_irq(int irq); - #ifdef CONFIG_MMU extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle); extern void consistent_free(void *vaddr); @@ -54,7 +52,7 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, #endif /* - * These are pretty much arbitary with the CoMEM implementation. + * These are pretty much arbitrary with the CoMEM implementation. * We have the whole address space to ourselves. */ #define PCIBIOS_MIN_IO 0x100 diff --git a/arch/frv/include/asm/perf_event.h b/arch/frv/include/asm/perf_event.h index a69e0155d14..c52ea5546b5 100644 --- a/arch/frv/include/asm/perf_event.h +++ b/arch/frv/include/asm/perf_event.h @@ -12,6 +12,4 @@ #ifndef _ASM_PERF_EVENT_H #define _ASM_PERF_EVENT_H -#define PERF_EVENT_INDEX_OFFSET 0 - #endif /* _ASM_PERF_EVENT_H */ diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h index 6bc241e4b4f..eb0110acd19 100644 --- a/arch/frv/include/asm/pgtable.h +++ b/arch/frv/include/asm/pgtable.h @@ -488,9 +488,6 @@ static inline int pte_file(pte_t pte) #define PageSkip(page) (0) #define kern_addr_valid(addr) (1) -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_GET_AND_CLEAR #define __HAVE_ARCH_PTEP_SET_WRPROTECT diff --git a/arch/frv/include/asm/posix_types.h b/arch/frv/include/asm/posix_types.h deleted file mode 100644 index a9f1f5be063..00000000000 --- a/arch/frv/include/asm/posix_types.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef _ASM_POSIX_TYPES_H -#define _ASM_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 long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef unsigned short __kernel_old_dev_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) - -#undef __FD_CLR -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) - -#undef __FD_ISSET -#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d))) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp))) - -#endif /* defined(__KERNEL__) */ - -#endif - diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index 3744f2e47f4..a34f309e580 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -54,7 +54,6 @@ extern struct cpuinfo_frv __nongprelbss boot_cpu_data; * Bus types */ #define EISA_bus 0 -#define MCA_bus 0 struct thread_struct { struct pt_regs *frame; /* [GR28] exception frame ptr for this thread */ @@ -93,25 +92,19 @@ extern struct task_struct *__kernel_current_task; /* * do necessary setup to start up a newly executed thread. - * - need to discard the frame stacked by init() invoking the execve syscall */ #define start_thread(_regs, _pc, _usp) \ do { \ - set_fs(USER_DS); /* reads from user space */ \ - __frame = __kernel_frame0_ptr; \ - __frame->pc = (_pc); \ - __frame->psr &= ~PSR_S; \ - __frame->sp = (_usp); \ + _regs->pc = (_pc); \ + _regs->psr &= ~PSR_S; \ + _regs->sp = (_usp); \ } while(0) -extern void prepare_to_copy(struct task_struct *tsk); - /* Free all resources held by a thread. */ static inline void release_thread(struct task_struct *dead_task) { } -extern asmlinkage int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); extern asmlinkage void save_user_regs(struct user_context *target); extern asmlinkage void *restore_user_regs(const struct user_context *target, ...); @@ -136,10 +129,6 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc) #define KSTK_ESP(tsk) ((tsk)->thread.frame0->sp) -/* Allocation and freeing of basic task resources. */ -extern struct task_struct *alloc_task_struct(void); -extern void free_task_struct(struct task_struct *p); - #define cpu_relax() barrier() /* data cache prefetch */ diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index 6bfad4cf190..034f1793419 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h @@ -11,58 +11,10 @@ #ifndef _ASM_PTRACE_H #define _ASM_PTRACE_H -#include <asm/registers.h> -#ifdef __KERNEL__ #include <asm/irq_regs.h> +#include <uapi/asm/ptrace.h> #define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0) -#endif - - -#define PT_PSR 0 -#define PT_ISR 1 -#define PT_CCR 2 -#define PT_CCCR 3 -#define PT_LR 4 -#define PT_LCR 5 -#define PT_PC 6 - -#define PT__STATUS 7 /* exception status */ -#define PT_SYSCALLNO 8 /* syscall number or -1 */ -#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */ -#define PT_GNER0 10 -#define PT_GNER1 11 -#define PT_IACC0H 12 -#define PT_IACC0L 13 - -#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */ -#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */ -#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */ -#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */ -#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */ -#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */ -#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */ -#define PT__GPEND 78 -#define PT__END 157 - -#define PT_TBR PT_GR(0) -#define PT_SP PT_GR(1) -#define PT_FP PT_GR(2) -#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */ -#define PT_CURR_TASK PT_GR(29) /* current task */ - - -/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ - -#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ -#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ - -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ struct task_struct; @@ -76,9 +28,9 @@ register struct pt_regs *__frame asm("gr28"); #define user_mode(regs) (!((regs)->psr & PSR_S)) #define instruction_pointer(regs) ((regs)->pc) #define user_stack_pointer(regs) ((regs)->sp) +#define current_pt_regs() (__frame) extern unsigned long user_stack(const struct pt_regs *); -extern void show_regs(struct pt_regs *); #define profile_pc(regs) ((regs)->pc) #define task_pt_regs(task) ((task)->thread.frame0) @@ -86,5 +38,4 @@ extern void show_regs(struct pt_regs *); #define arch_has_single_step() (1) #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_PTRACE_H */ diff --git a/arch/frv/include/asm/setup.h b/arch/frv/include/asm/setup.h index afd787ceede..aa76f2eac09 100644 --- a/arch/frv/include/asm/setup.h +++ b/arch/frv/include/asm/setup.h @@ -8,15 +8,12 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - #ifndef _ASM_SETUP_H #define _ASM_SETUP_H -#define COMMAND_LINE_SIZE 512 - -#ifdef __KERNEL__ #include <linux/init.h> +#include <uapi/asm/setup.h> #ifndef __ASSEMBLY__ @@ -26,6 +23,4 @@ extern unsigned long __initdata num_mappedpages; #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ - #endif /* _ASM_SETUP_H */ diff --git a/arch/frv/include/asm/signal.h b/arch/frv/include/asm/signal.h index f071e813dcb..eca0abcb79d 100644 --- a/arch/frv/include/asm/signal.h +++ b/arch/frv/include/asm/signal.h @@ -1,44 +1,6 @@ #ifndef _ASM_SIGNAL_H #define _ASM_SIGNAL_H -#include <linux/types.h> - -#ifndef __KERNEL__ -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* !__KERNEL__ */ - -#define SA_RESTORER 0x04000000 /* to get struct sigaction correct */ - -#include <asm-generic/signal.h> - -#ifdef __KERNEL__ -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - __sigrestore_t sa_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; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ +#include <uapi/asm/signal.h> #endif /* _ASM_SIGNAL_H */ diff --git a/arch/frv/include/asm/spr-regs.h b/arch/frv/include/asm/spr-regs.h index 01e6af5e99b..d3883021f23 100644 --- a/arch/frv/include/asm/spr-regs.h +++ b/arch/frv/include/asm/spr-regs.h @@ -274,7 +274,7 @@ #define MSR0_RD 0xc0000000 /* rounding mode */ #define MSR0_RD_NEAREST 0x00000000 /* - nearest */ #define MSR0_RD_ZERO 0x40000000 /* - zero */ -#define MSR0_RD_POS_INF 0x80000000 /* - postive infinity */ +#define MSR0_RD_POS_INF 0x80000000 /* - positive infinity */ #define MSR0_RD_NEG_INF 0xc0000000 /* - negative infinity */ /* diff --git a/arch/frv/include/asm/switch_to.h b/arch/frv/include/asm/switch_to.h new file mode 100644 index 00000000000..2cf0f6a7fbb --- /dev/null +++ b/arch/frv/include/asm/switch_to.h @@ -0,0 +1,35 @@ +/* FR-V CPU basic task switching + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.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_SWITCH_TO_H +#define _ASM_SWITCH_TO_H + +#include <linux/thread_info.h> + +/* + * switch_to(prev, next) should switch from task `prev' to `next' + * `prev' will never be the same as `next'. + * The `mb' is to tell GCC not to cache `current' across this call. + */ +extern asmlinkage +struct task_struct *__switch_to(struct thread_struct *prev_thread, + struct thread_struct *next_thread, + struct task_struct *prev); + +#define switch_to(prev, next, last) \ +do { \ + (prev)->thread.sched_lr = \ + (unsigned long) __builtin_return_address(0); \ + (last) = __switch_to(&(prev)->thread, &(next)->thread, (prev)); \ + mb(); \ +} while(0) + +#endif /* _ASM_SWITCH_TO_H */ diff --git a/arch/frv/include/asm/termios.h b/arch/frv/include/asm/termios.h index b4868aafe79..9f753fc0953 100644 --- a/arch/frv/include/asm/termios.h +++ b/arch/frv/include/asm/termios.h @@ -1,27 +1,8 @@ #ifndef _ASM_TERMIOS_H #define _ASM_TERMIOS_H -#include <asm/termbits.h> -#include <asm/ioctls.h> +#include <uapi/asm/termios.h> -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 */ -}; - -#ifdef __KERNEL__ /* intr=^C quit=^| erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 start=^Q stop=^S susp=^Z eol=\0 @@ -29,30 +10,5 @@ struct termio { eol2=\0 */ #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#endif - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -#define TIOCM_MODEM_BITS TIOCM_OUT2 /* IRDA support */ - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -#ifdef __KERNEL__ #include <asm-generic/termios-base.h> -#endif - #endif /* _ASM_TERMIOS_H */ diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index 11f33ead29b..af29e17c018 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -52,8 +52,6 @@ struct thread_info { #endif -#define PREEMPT_ACTIVE 0x10000000 - /* * macros/functions for gaining access to the thread information structure */ @@ -80,24 +78,6 @@ register struct thread_info *__current_thread_info asm("gr15"); #define current_thread_info() ({ __current_thread_info; }) -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - -/* thread information allocation */ -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(tsk) \ - ({ \ - struct thread_info *ret; \ - \ - ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \ - \ - ret; \ - }) -#else -#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL) -#endif - -#define free_thread_info(info) kfree(info) - #endif /* __ASSEMBLY__ */ /* @@ -112,21 +92,24 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ -#define TIF_FREEZE 18 /* freezing for suspend */ +#define TIF_MEMDIE 7 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) -#define _TIF_FREEZE (1 << TIF_FREEZE) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK \ + (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_SINGLESTEP) + +/* work to do on any return to u-space */ +#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE) + +#if _TIF_ALLWORK_MASK >= 0x2000 +#error "_TIF_ALLWORK_MASK won't fit in an ANDI now (see entry.S)" +#endif /* * Thread-synchronous status. diff --git a/arch/frv/include/asm/types.h b/arch/frv/include/asm/types.h index 613bf1e962f..6bc63650d83 100644 --- a/arch/frv/include/asm/types.h +++ b/arch/frv/include/asm/types.h @@ -8,33 +8,15 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - #ifndef _ASM_TYPES_H #define _ASM_TYPES_H -#include <asm-generic/int-ll64.h> - -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ +#include <uapi/asm/types.h> /* * These aren't exported outside the kernel to avoid name space clashes */ -#ifdef __KERNEL__ #define BITS_PER_LONG 32 -#ifndef __ASSEMBLY__ - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ - #endif /* _ASM_TYPES_H */ diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h index 0b67ec5b441..3ac9a59d65d 100644 --- a/arch/frv/include/asm/uaccess.h +++ b/arch/frv/include/asm/uaccess.h @@ -280,14 +280,14 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count); static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_to_user_inatomic(to, from, n); } static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_from_user_inatomic(to, from, n); } diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index b28da499e22..17b5df8fc28 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -1,354 +1,11 @@ #ifndef _ASM_UNISTD_H_ #define _ASM_UNISTD_H_ -/* - * This file contains the system call numbers. - */ +#include <uapi/asm/unistd.h> -#define __NR_restart_syscall 0 -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -// #define __NR_oldolduname /* 59 */ obsolete -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -// #define __NR_mmap 90 /* obsolete - not implemented */ -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -// #define __NR_profil /* 98 */ obsolete -#define __NR_statfs 99 -#define __NR_fstatfs 100 -// #define __NR_ioperm /* 101 */ not supported -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -// #define __NR_olduname /* 109 */ obsolete -// #define __NR_iopl /* 110 */ not supported -#define __NR_vhangup 111 -// #define __NR_idle /* 112 */ Obsolete -// #define __NR_vm86old /* 113 */ not supported -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -// #define __NR_modify_ldt /* 123 */ not supported -#define __NR_cacheflush 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -// #define __NR_vm86 /* 166 */ not supported -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 /* some people actually want streams */ -#define __NR_putpmsg 189 /* some people actually want streams */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -#define __NR_security 223 /* syscall for security modules */ -#define __NR_gettid 224 -#define __NR_readahead 225 -#define __NR_setxattr 226 -#define __NR_lsetxattr 227 -#define __NR_fsetxattr 228 -#define __NR_getxattr 229 -#define __NR_lgetxattr 230 -#define __NR_fgetxattr 231 -#define __NR_listxattr 232 -#define __NR_llistxattr 233 -#define __NR_flistxattr 234 -#define __NR_removexattr 235 -#define __NR_lremovexattr 236 -#define __NR_fremovexattr 237 -#define __NR_tkill 238 -#define __NR_sendfile64 239 -#define __NR_futex 240 -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 -#define __NR_io_setup 245 -#define __NR_io_destroy 246 -#define __NR_io_getevents 247 -#define __NR_io_submit 248 -#define __NR_io_cancel 249 -#define __NR_fadvise64 250 +#define NR_syscalls 338 -#define __NR_exit_group 252 -#define __NR_lookup_dcookie 253 -#define __NR_epoll_create 254 -#define __NR_epoll_ctl 255 -#define __NR_epoll_wait 256 -#define __NR_remap_file_pages 257 -#define __NR_set_tid_address 258 -#define __NR_timer_create 259 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -#define __NR_statfs64 268 -#define __NR_fstatfs64 269 -#define __NR_tgkill 270 -#define __NR_utimes 271 -#define __NR_fadvise64_64 272 -#define __NR_vserver 273 -#define __NR_mbind 274 -#define __NR_get_mempolicy 275 -#define __NR_set_mempolicy 276 -#define __NR_mq_open 277 -#define __NR_mq_unlink (__NR_mq_open+1) -#define __NR_mq_timedsend (__NR_mq_open+2) -#define __NR_mq_timedreceive (__NR_mq_open+3) -#define __NR_mq_notify (__NR_mq_open+4) -#define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 283 -#define __NR_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 -#define __NR_request_key 287 -#define __NR_keyctl 288 -#define __NR_ioprio_set 289 -#define __NR_ioprio_get 290 -#define __NR_inotify_init 291 -#define __NR_inotify_add_watch 292 -#define __NR_inotify_rm_watch 293 -#define __NR_migrate_pages 294 -#define __NR_openat 295 -#define __NR_mkdirat 296 -#define __NR_mknodat 297 -#define __NR_fchownat 298 -#define __NR_futimesat 299 -#define __NR_fstatat64 300 -#define __NR_unlinkat 301 -#define __NR_renameat 302 -#define __NR_linkat 303 -#define __NR_symlinkat 304 -#define __NR_readlinkat 305 -#define __NR_fchmodat 306 -#define __NR_faccessat 307 -#define __NR_pselect6 308 -#define __NR_ppoll 309 -#define __NR_unshare 310 -#define __NR_set_robust_list 311 -#define __NR_get_robust_list 312 -#define __NR_splice 313 -#define __NR_sync_file_range 314 -#define __NR_tee 315 -#define __NR_vmsplice 316 -#define __NR_move_pages 317 -#define __NR_getcpu 318 -#define __NR_epoll_pwait 319 -#define __NR_utimensat 320 -#define __NR_signalfd 321 -#define __NR_timerfd_create 322 -#define __NR_eventfd 323 -#define __NR_fallocate 324 -#define __NR_timerfd_settime 325 -#define __NR_timerfd_gettime 326 -#define __NR_signalfd4 327 -#define __NR_eventfd2 328 -#define __NR_epoll_create1 329 -#define __NR_dup3 330 -#define __NR_pipe2 331 -#define __NR_inotify_init1 332 -#define __NR_preadv 333 -#define __NR_pwritev 334 -#define __NR_rt_tgsigqueueinfo 335 -#define __NR_perf_event_open 336 - -#ifdef __KERNEL__ - -#define NR_syscalls 337 - -#define __ARCH_WANT_IPC_PARSE_VERSION /* #define __ARCH_WANT_OLD_READDIR */ #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 @@ -356,7 +13,6 @@ /* #define __ARCH_WANT_SYS_GETHOSTNAME */ #define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE -/* #define __ARCH_WANT_SYS_SGETMASK */ /* #define __ARCH_WANT_SYS_SIGNAL */ #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME @@ -370,18 +26,8 @@ #define __ARCH_WANT_SYS_OLDUMOUNT /* #define __ARCH_WANT_SYS_SIGPENDING */ #define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#ifndef cond_syscall -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") -#endif +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_CLONE -#endif /* __KERNEL__ */ #endif /* _ASM_UNISTD_H_ */ diff --git a/arch/frv/include/asm/virtconvert.h b/arch/frv/include/asm/virtconvert.h index 59788fa2a81..b26d70ab911 100644 --- a/arch/frv/include/asm/virtconvert.h +++ b/arch/frv/include/asm/virtconvert.h @@ -1,4 +1,4 @@ -/* virtconvert.h: virtual/physical/page address convertion +/* virtconvert.h: virtual/physical/page address conversion * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) diff --git a/arch/frv/include/uapi/asm/Kbuild b/arch/frv/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..42a2b33461c --- /dev/null +++ b/arch/frv/include/uapi/asm/Kbuild @@ -0,0 +1,35 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += errno.h +header-y += fcntl.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 += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += registers.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 += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/frv/include/asm/auxvec.h b/arch/frv/include/uapi/asm/auxvec.h index 07710778fa1..07710778fa1 100644 --- a/arch/frv/include/asm/auxvec.h +++ b/arch/frv/include/uapi/asm/auxvec.h diff --git a/arch/frv/include/asm/bitsperlong.h b/arch/frv/include/uapi/asm/bitsperlong.h index 6dc0bb0c13b..6dc0bb0c13b 100644 --- a/arch/frv/include/asm/bitsperlong.h +++ b/arch/frv/include/uapi/asm/bitsperlong.h diff --git a/arch/frv/include/asm/byteorder.h b/arch/frv/include/uapi/asm/byteorder.h index f29b7593e08..f29b7593e08 100644 --- a/arch/frv/include/asm/byteorder.h +++ b/arch/frv/include/uapi/asm/byteorder.h diff --git a/arch/frv/include/asm/errno.h b/arch/frv/include/uapi/asm/errno.h index d010795ceef..d010795ceef 100644 --- a/arch/frv/include/asm/errno.h +++ b/arch/frv/include/uapi/asm/errno.h diff --git a/arch/frv/include/asm/fcntl.h b/arch/frv/include/uapi/asm/fcntl.h index 46ab12db573..46ab12db573 100644 --- a/arch/frv/include/asm/fcntl.h +++ b/arch/frv/include/uapi/asm/fcntl.h diff --git a/arch/frv/include/asm/ioctl.h b/arch/frv/include/uapi/asm/ioctl.h index b279fe06dfe..b279fe06dfe 100644 --- a/arch/frv/include/asm/ioctl.h +++ b/arch/frv/include/uapi/asm/ioctl.h diff --git a/arch/frv/include/asm/ioctls.h b/arch/frv/include/uapi/asm/ioctls.h index 2f9fb436ec3..2f9fb436ec3 100644 --- a/arch/frv/include/asm/ioctls.h +++ b/arch/frv/include/uapi/asm/ioctls.h diff --git a/arch/frv/include/uapi/asm/ipcbuf.h b/arch/frv/include/uapi/asm/ipcbuf.h new file mode 100644 index 00000000000..84c7e51cb6d --- /dev/null +++ b/arch/frv/include/uapi/asm/ipcbuf.h @@ -0,0 +1 @@ +#include <asm-generic/ipcbuf.h> diff --git a/arch/frv/include/uapi/asm/kvm_para.h b/arch/frv/include/uapi/asm/kvm_para.h new file mode 100644 index 00000000000..14fab8f0b95 --- /dev/null +++ b/arch/frv/include/uapi/asm/kvm_para.h @@ -0,0 +1 @@ +#include <asm-generic/kvm_para.h> diff --git a/arch/frv/include/asm/mman.h b/arch/frv/include/uapi/asm/mman.h index 8eebf89f5ab..8eebf89f5ab 100644 --- a/arch/frv/include/asm/mman.h +++ b/arch/frv/include/uapi/asm/mman.h diff --git a/arch/frv/include/asm/msgbuf.h b/arch/frv/include/uapi/asm/msgbuf.h index 97ceb55a06f..97ceb55a06f 100644 --- a/arch/frv/include/asm/msgbuf.h +++ b/arch/frv/include/uapi/asm/msgbuf.h diff --git a/arch/frv/include/uapi/asm/param.h b/arch/frv/include/uapi/asm/param.h new file mode 100644 index 00000000000..a52dca9a956 --- /dev/null +++ b/arch/frv/include/uapi/asm/param.h @@ -0,0 +1,8 @@ +#ifndef _ASM_PARAM_H +#define _ASM_PARAM_H + +#define EXEC_PAGESIZE 16384 + +#include <asm-generic/param.h> + +#endif /* _ASM_PARAM_H */ diff --git a/arch/frv/include/asm/poll.h b/arch/frv/include/uapi/asm/poll.h index 0d01479ccc5..0d01479ccc5 100644 --- a/arch/frv/include/asm/poll.h +++ b/arch/frv/include/uapi/asm/poll.h diff --git a/arch/frv/include/uapi/asm/posix_types.h b/arch/frv/include/uapi/asm/posix_types.h new file mode 100644 index 00000000000..fe512af74a5 --- /dev/null +++ b/arch/frv/include/uapi/asm/posix_types.h @@ -0,0 +1,26 @@ +#ifndef _ASM_POSIX_TYPES_H +#define _ASM_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 short __kernel_mode_t; +#define __kernel_mode_t __kernel_mode_t + +typedef unsigned short __kernel_ipc_pid_t; +#define __kernel_ipc_pid_t __kernel_ipc_pid_t + +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +#define __kernel_uid_t __kernel_uid_t + +typedef unsigned short __kernel_old_dev_t; +#define __kernel_old_dev_t __kernel_old_dev_t + +#include <asm-generic/posix_types.h> + +#endif + diff --git a/arch/frv/include/uapi/asm/ptrace.h b/arch/frv/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..3887e493468 --- /dev/null +++ b/arch/frv/include/uapi/asm/ptrace.h @@ -0,0 +1,60 @@ +/* ptrace.h: ptrace() relevant definitions + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.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 _UAPI_ASM_PTRACE_H +#define _UAPI_ASM_PTRACE_H + +#include <asm/registers.h> + + +#define PT_PSR 0 +#define PT_ISR 1 +#define PT_CCR 2 +#define PT_CCCR 3 +#define PT_LR 4 +#define PT_LCR 5 +#define PT_PC 6 + +#define PT__STATUS 7 /* exception status */ +#define PT_SYSCALLNO 8 /* syscall number or -1 */ +#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */ +#define PT_GNER0 10 +#define PT_GNER1 11 +#define PT_IACC0H 12 +#define PT_IACC0L 13 + +#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */ +#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */ +#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */ +#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */ +#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */ +#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */ +#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */ +#define PT__GPEND 78 +#define PT__END 157 + +#define PT_TBR PT_GR(0) +#define PT_SP PT_GR(1) +#define PT_FP PT_GR(2) +#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */ +#define PT_CURR_TASK PT_GR(29) /* current task */ + + +/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ + +#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ +#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ + +#endif /* _UAPI_ASM_PTRACE_H */ diff --git a/arch/frv/include/asm/registers.h b/arch/frv/include/uapi/asm/registers.h index 9666119fcf6..9666119fcf6 100644 --- a/arch/frv/include/asm/registers.h +++ b/arch/frv/include/uapi/asm/registers.h diff --git a/arch/frv/include/asm/resource.h b/arch/frv/include/uapi/asm/resource.h index 5fc60548fd0..5fc60548fd0 100644 --- a/arch/frv/include/asm/resource.h +++ b/arch/frv/include/uapi/asm/resource.h diff --git a/arch/frv/include/asm/sembuf.h b/arch/frv/include/uapi/asm/sembuf.h index 164b12786d6..164b12786d6 100644 --- a/arch/frv/include/asm/sembuf.h +++ b/arch/frv/include/uapi/asm/sembuf.h diff --git a/arch/frv/include/asm/suspend.h b/arch/frv/include/uapi/asm/setup.h index 5fa7b5a6ee4..fbf3fc96aae 100644 --- a/arch/frv/include/asm/suspend.h +++ b/arch/frv/include/uapi/asm/setup.h @@ -1,4 +1,4 @@ -/* suspend.h: suspension stuff +/* setup.h: setup stuff * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -9,12 +9,10 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef _ASM_SUSPEND_H -#define _ASM_SUSPEND_H +#ifndef _UAPI_ASM_SETUP_H +#define _UAPI_ASM_SETUP_H -static inline int arch_prepare_suspend(void) -{ - return 0; -} +#define COMMAND_LINE_SIZE 512 -#endif /* _ASM_SUSPEND_H */ + +#endif /* _UAPI_ASM_SETUP_H */ diff --git a/arch/frv/include/asm/shmbuf.h b/arch/frv/include/uapi/asm/shmbuf.h index 4c6e711a477..4c6e711a477 100644 --- a/arch/frv/include/asm/shmbuf.h +++ b/arch/frv/include/uapi/asm/shmbuf.h diff --git a/arch/frv/include/asm/sigcontext.h b/arch/frv/include/uapi/asm/sigcontext.h index 3b263f3cc96..3b263f3cc96 100644 --- a/arch/frv/include/asm/sigcontext.h +++ b/arch/frv/include/uapi/asm/sigcontext.h diff --git a/arch/frv/include/asm/siginfo.h b/arch/frv/include/uapi/asm/siginfo.h index d3fd1ca4565..d3fd1ca4565 100644 --- a/arch/frv/include/asm/siginfo.h +++ b/arch/frv/include/uapi/asm/siginfo.h diff --git a/arch/frv/include/uapi/asm/signal.h b/arch/frv/include/uapi/asm/signal.h new file mode 100644 index 00000000000..bf3b162f9be --- /dev/null +++ b/arch/frv/include/uapi/asm/signal.h @@ -0,0 +1,36 @@ +#ifndef _UAPI_ASM_SIGNAL_H +#define _UAPI_ASM_SIGNAL_H + +#include <linux/types.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* !__KERNEL__ */ + +#define SA_RESTORER 0x04000000 /* to get struct sigaction correct */ + +#include <asm-generic/signal.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; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +#endif /* _UAPI_ASM_SIGNAL_H */ diff --git a/arch/frv/include/asm/socket.h b/arch/frv/include/uapi/asm/socket.h index a6b26880c1e..ca2c6e6f31c 100644 --- a/arch/frv/include/asm/socket.h +++ b/arch/frv/include/uapi/asm/socket.h @@ -22,7 +22,7 @@ #define SO_PRIORITY 12 #define SO_LINGER 13 #define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ +#define SO_REUSEPORT 15 #define SO_PASSCRED 16 #define SO_PEERCRED 17 #define SO_RCVLOWAT 18 @@ -40,6 +40,7 @@ /* 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 @@ -62,5 +63,22 @@ #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 /* _ASM_SOCKET_H */ diff --git a/arch/frv/include/asm/sockios.h b/arch/frv/include/uapi/asm/sockios.h index 5dbdd13e6de..5dbdd13e6de 100644 --- a/arch/frv/include/asm/sockios.h +++ b/arch/frv/include/uapi/asm/sockios.h diff --git a/arch/frv/include/asm/stat.h b/arch/frv/include/uapi/asm/stat.h index ce56de9b37b..ce56de9b37b 100644 --- a/arch/frv/include/asm/stat.h +++ b/arch/frv/include/uapi/asm/stat.h diff --git a/arch/frv/include/asm/statfs.h b/arch/frv/include/uapi/asm/statfs.h index 741f586045b..741f586045b 100644 --- a/arch/frv/include/asm/statfs.h +++ b/arch/frv/include/uapi/asm/statfs.h diff --git a/arch/frv/include/asm/swab.h b/arch/frv/include/uapi/asm/swab.h index f305834b479..f305834b479 100644 --- a/arch/frv/include/asm/swab.h +++ b/arch/frv/include/uapi/asm/swab.h diff --git a/arch/frv/include/asm/termbits.h b/arch/frv/include/uapi/asm/termbits.h index 7722e19cc34..7722e19cc34 100644 --- a/arch/frv/include/asm/termbits.h +++ b/arch/frv/include/uapi/asm/termbits.h diff --git a/arch/frv/include/uapi/asm/termios.h b/arch/frv/include/uapi/asm/termios.h new file mode 100644 index 00000000000..edcc08a2238 --- /dev/null +++ b/arch/frv/include/uapi/asm/termios.h @@ -0,0 +1,46 @@ +#ifndef _UAPI_ASM_TERMIOS_H +#define _UAPI_ASM_TERMIOS_H + +#include <asm/termbits.h> +#include <asm/ioctls.h> + +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 */ +}; + + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +#define TIOCM_MODEM_BITS TIOCM_OUT2 /* IRDA support */ + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + + +#endif /* _UAPI_ASM_TERMIOS_H */ diff --git a/arch/frv/include/uapi/asm/types.h b/arch/frv/include/uapi/asm/types.h new file mode 100644 index 00000000000..cf23149943f --- /dev/null +++ b/arch/frv/include/uapi/asm/types.h @@ -0,0 +1,11 @@ +/* types.h: FRV types + * + * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.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. + */ +#include <asm-generic/int-ll64.h> diff --git a/arch/frv/include/uapi/asm/unistd.h b/arch/frv/include/uapi/asm/unistd.h new file mode 100644 index 00000000000..9e2612ff1c9 --- /dev/null +++ b/arch/frv/include/uapi/asm/unistd.h @@ -0,0 +1,348 @@ +#ifndef _UAPI_ASM_UNISTD_H_ +#define _UAPI_ASM_UNISTD_H_ + +/* + * This file contains the system call numbers. + */ + +#define __NR_restart_syscall 0 +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_waitpid 7 +#define __NR_creat 8 +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_execve 11 +#define __NR_chdir 12 +#define __NR_time 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_lchown 16 +#define __NR_break 17 +#define __NR_oldstat 18 +#define __NR_lseek 19 +#define __NR_getpid 20 +#define __NR_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_ptrace 26 +#define __NR_alarm 27 +#define __NR_oldfstat 28 +#define __NR_pause 29 +#define __NR_utime 30 +#define __NR_stty 31 +#define __NR_gtty 32 +#define __NR_access 33 +#define __NR_nice 34 +#define __NR_ftime 35 +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_rename 38 +#define __NR_mkdir 39 +#define __NR_rmdir 40 +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_times 43 +#define __NR_prof 44 +#define __NR_brk 45 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_signal 48 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_acct 51 +#define __NR_umount2 52 +#define __NR_lock 53 +#define __NR_ioctl 54 +#define __NR_fcntl 55 +#define __NR_mpx 56 +#define __NR_setpgid 57 +#define __NR_ulimit 58 +// #define __NR_oldolduname /* 59 */ obsolete +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_ustat 62 +#define __NR_dup2 63 +#define __NR_getppid 64 +#define __NR_getpgrp 65 +#define __NR_setsid 66 +#define __NR_sigaction 67 +#define __NR_sgetmask 68 +#define __NR_ssetmask 69 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_sigsuspend 72 +#define __NR_sigpending 73 +#define __NR_sethostname 74 +#define __NR_setrlimit 75 +#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ +#define __NR_getrusage 77 +#define __NR_gettimeofday 78 +#define __NR_settimeofday 79 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_select 82 +#define __NR_symlink 83 +#define __NR_oldlstat 84 +#define __NR_readlink 85 +#define __NR_uselib 86 +#define __NR_swapon 87 +#define __NR_reboot 88 +#define __NR_readdir 89 +// #define __NR_mmap 90 /* obsolete - not implemented */ +#define __NR_munmap 91 +#define __NR_truncate 92 +#define __NR_ftruncate 93 +#define __NR_fchmod 94 +#define __NR_fchown 95 +#define __NR_getpriority 96 +#define __NR_setpriority 97 +// #define __NR_profil /* 98 */ obsolete +#define __NR_statfs 99 +#define __NR_fstatfs 100 +// #define __NR_ioperm /* 101 */ not supported +#define __NR_socketcall 102 +#define __NR_syslog 103 +#define __NR_setitimer 104 +#define __NR_getitimer 105 +#define __NR_stat 106 +#define __NR_lstat 107 +#define __NR_fstat 108 +// #define __NR_olduname /* 109 */ obsolete +// #define __NR_iopl /* 110 */ not supported +#define __NR_vhangup 111 +// #define __NR_idle /* 112 */ Obsolete +// #define __NR_vm86old /* 113 */ not supported +#define __NR_wait4 114 +#define __NR_swapoff 115 +#define __NR_sysinfo 116 +#define __NR_ipc 117 +#define __NR_fsync 118 +#define __NR_sigreturn 119 +#define __NR_clone 120 +#define __NR_setdomainname 121 +#define __NR_uname 122 +// #define __NR_modify_ldt /* 123 */ not supported +#define __NR_cacheflush 123 +#define __NR_adjtimex 124 +#define __NR_mprotect 125 +#define __NR_sigprocmask 126 +#define __NR_create_module 127 +#define __NR_init_module 128 +#define __NR_delete_module 129 +#define __NR_get_kernel_syms 130 +#define __NR_quotactl 131 +#define __NR_getpgid 132 +#define __NR_fchdir 133 +#define __NR_bdflush 134 +#define __NR_sysfs 135 +#define __NR_personality 136 +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR_getdents 141 +#define __NR__newselect 142 +#define __NR_flock 143 +#define __NR_msync 144 +#define __NR_readv 145 +#define __NR_writev 146 +#define __NR_getsid 147 +#define __NR_fdatasync 148 +#define __NR__sysctl 149 +#define __NR_mlock 150 +#define __NR_munlock 151 +#define __NR_mlockall 152 +#define __NR_munlockall 153 +#define __NR_sched_setparam 154 +#define __NR_sched_getparam 155 +#define __NR_sched_setscheduler 156 +#define __NR_sched_getscheduler 157 +#define __NR_sched_yield 158 +#define __NR_sched_get_priority_max 159 +#define __NR_sched_get_priority_min 160 +#define __NR_sched_rr_get_interval 161 +#define __NR_nanosleep 162 +#define __NR_mremap 163 +#define __NR_setresuid 164 +#define __NR_getresuid 165 +// #define __NR_vm86 /* 166 */ not supported +#define __NR_query_module 167 +#define __NR_poll 168 +#define __NR_nfsservctl 169 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_prctl 172 +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigtimedwait 177 +#define __NR_rt_sigqueueinfo 178 +#define __NR_rt_sigsuspend 179 +#define __NR_pread64 180 +#define __NR_pwrite64 181 +#define __NR_chown 182 +#define __NR_getcwd 183 +#define __NR_capget 184 +#define __NR_capset 185 +#define __NR_sigaltstack 186 +#define __NR_sendfile 187 +#define __NR_getpmsg 188 /* some people actually want streams */ +#define __NR_putpmsg 189 /* some people actually want streams */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_pivot_root 217 +#define __NR_mincore 218 +#define __NR_madvise 219 + +#define __NR_getdents64 220 +#define __NR_fcntl64 221 +#define __NR_security 223 /* syscall for security modules */ +#define __NR_gettid 224 +#define __NR_readahead 225 +#define __NR_setxattr 226 +#define __NR_lsetxattr 227 +#define __NR_fsetxattr 228 +#define __NR_getxattr 229 +#define __NR_lgetxattr 230 +#define __NR_fgetxattr 231 +#define __NR_listxattr 232 +#define __NR_llistxattr 233 +#define __NR_flistxattr 234 +#define __NR_removexattr 235 +#define __NR_lremovexattr 236 +#define __NR_fremovexattr 237 +#define __NR_tkill 238 +#define __NR_sendfile64 239 +#define __NR_futex 240 +#define __NR_sched_setaffinity 241 +#define __NR_sched_getaffinity 242 +#define __NR_set_thread_area 243 +#define __NR_get_thread_area 244 +#define __NR_io_setup 245 +#define __NR_io_destroy 246 +#define __NR_io_getevents 247 +#define __NR_io_submit 248 +#define __NR_io_cancel 249 +#define __NR_fadvise64 250 + +#define __NR_exit_group 252 +#define __NR_lookup_dcookie 253 +#define __NR_epoll_create 254 +#define __NR_epoll_ctl 255 +#define __NR_epoll_wait 256 +#define __NR_remap_file_pages 257 +#define __NR_set_tid_address 258 +#define __NR_timer_create 259 +#define __NR_timer_settime (__NR_timer_create+1) +#define __NR_timer_gettime (__NR_timer_create+2) +#define __NR_timer_getoverrun (__NR_timer_create+3) +#define __NR_timer_delete (__NR_timer_create+4) +#define __NR_clock_settime (__NR_timer_create+5) +#define __NR_clock_gettime (__NR_timer_create+6) +#define __NR_clock_getres (__NR_timer_create+7) +#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_statfs64 268 +#define __NR_fstatfs64 269 +#define __NR_tgkill 270 +#define __NR_utimes 271 +#define __NR_fadvise64_64 272 +#define __NR_vserver 273 +#define __NR_mbind 274 +#define __NR_get_mempolicy 275 +#define __NR_set_mempolicy 276 +#define __NR_mq_open 277 +#define __NR_mq_unlink (__NR_mq_open+1) +#define __NR_mq_timedsend (__NR_mq_open+2) +#define __NR_mq_timedreceive (__NR_mq_open+3) +#define __NR_mq_notify (__NR_mq_open+4) +#define __NR_mq_getsetattr (__NR_mq_open+5) +#define __NR_kexec_load 283 +#define __NR_waitid 284 +/* #define __NR_sys_setaltroot 285 */ +#define __NR_add_key 286 +#define __NR_request_key 287 +#define __NR_keyctl 288 +#define __NR_ioprio_set 289 +#define __NR_ioprio_get 290 +#define __NR_inotify_init 291 +#define __NR_inotify_add_watch 292 +#define __NR_inotify_rm_watch 293 +#define __NR_migrate_pages 294 +#define __NR_openat 295 +#define __NR_mkdirat 296 +#define __NR_mknodat 297 +#define __NR_fchownat 298 +#define __NR_futimesat 299 +#define __NR_fstatat64 300 +#define __NR_unlinkat 301 +#define __NR_renameat 302 +#define __NR_linkat 303 +#define __NR_symlinkat 304 +#define __NR_readlinkat 305 +#define __NR_fchmodat 306 +#define __NR_faccessat 307 +#define __NR_pselect6 308 +#define __NR_ppoll 309 +#define __NR_unshare 310 +#define __NR_set_robust_list 311 +#define __NR_get_robust_list 312 +#define __NR_splice 313 +#define __NR_sync_file_range 314 +#define __NR_tee 315 +#define __NR_vmsplice 316 +#define __NR_move_pages 317 +#define __NR_getcpu 318 +#define __NR_epoll_pwait 319 +#define __NR_utimensat 320 +#define __NR_signalfd 321 +#define __NR_timerfd_create 322 +#define __NR_eventfd 323 +#define __NR_fallocate 324 +#define __NR_timerfd_settime 325 +#define __NR_timerfd_gettime 326 +#define __NR_signalfd4 327 +#define __NR_eventfd2 328 +#define __NR_epoll_create1 329 +#define __NR_dup3 330 +#define __NR_pipe2 331 +#define __NR_inotify_init1 332 +#define __NR_preadv 333 +#define __NR_pwritev 334 +#define __NR_rt_tgsigqueueinfo 335 +#define __NR_perf_event_open 336 +#define __NR_setns 337 + +#endif /* _UAPI_ASM_UNISTD_H_ */ diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile index c36f70b6699..3cbb3294b9f 100644 --- a/arch/frv/kernel/Makefile +++ b/arch/frv/kernel/Makefile @@ -5,10 +5,10 @@ heads-y := head-uc-fr401.o head-uc-fr451.o head-uc-fr555.o heads-$(CONFIG_MMU) := head-mmu-fr451.o -extra-y:= head.o init_task.o vmlinux.lds +extra-y:= head.o vmlinux.lds -obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o kernel_thread.o \ - kernel_execve.o process.o traps.o ptrace.o signal.o dma.o \ +obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o \ + process.o traps.o ptrace.o signal.o dma.o \ sys_frv.o time.o setup.o frv_ksyms.o \ debug-stub.o irq.o sleep.o uaccess.o diff --git a/arch/frv/kernel/debug-stub.c b/arch/frv/kernel/debug-stub.c index 2845139c807..a0228f717ef 100644 --- a/arch/frv/kernel/debug-stub.c +++ b/arch/frv/kernel/debug-stub.c @@ -17,7 +17,6 @@ #include <linux/serial_reg.h> #include <linux/start_kernel.h> -#include <asm/system.h> #include <asm/serial-regs.h> #include <asm/timer-regs.h> #include <asm/irc-regs.h> diff --git a/arch/frv/kernel/entry-table.S b/arch/frv/kernel/entry-table.S index bf35f33e48c..06c5ae191e5 100644 --- a/arch/frv/kernel/entry-table.S +++ b/arch/frv/kernel/entry-table.S @@ -86,7 +86,7 @@ __break_usertrap_fixup_table: .globl __break_kerneltrap_fixup_table __break_kerneltrap_fixup_table: - # handler declaration for a sofware or program interrupt + # handler declaration for a software or program interrupt .macro VECTOR_SOFTPROG tbr_tt, vec .section .trap.user .org \tbr_tt @@ -145,7 +145,7 @@ __break_kerneltrap_fixup_table: .long \vec .endm - # handler declaration for an MMU only sofware or program interrupt + # handler declaration for an MMU only software or program interrupt .macro VECTOR_SP_MMU tbr_tt, vec #ifdef CONFIG_MMU VECTOR_SOFTPROG \tbr_tt, \vec diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 63d579bf1c2..dfcd263c051 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -863,6 +863,14 @@ ret_from_fork: setlos.p #0,gr8 bra __syscall_exit + .globl ret_from_kernel_thread +ret_from_kernel_thread: + lddi.p @(gr28,#REG_GR(8)),gr20 + call schedule_tail + calll.p @(gr21,gr0) + or gr20,gr20,gr8 + bra __syscall_exit + ################################################################################################### # # Return to user mode is not as complex as all this looks, @@ -905,18 +913,19 @@ __syscall_call: __syscall_exit: LEDS 0x6300 - sti gr8,@(gr28,#REG_GR(8)) ; save return value + # keep current PSR in GR23 + movsg psr,gr23 - # rebuild saved psr - execve will change it for init/main.c ldi @(gr28,#REG_PSR),gr22 + + sti.p gr8,@(gr28,#REG_GR(8)) ; save return value + + # rebuild saved psr - execve will change it for init/main.c srli gr22,#1,gr5 andi.p gr22,#~PSR_PS,gr22 andi gr5,#PSR_PS,gr5 or gr5,gr22,gr22 - ori gr22,#PSR_S,gr22 - - # keep current PSR in GR23 - movsg psr,gr23 + ori.p gr22,#PSR_S,gr22 # make sure we don't miss an interrupt setting need_resched or sigpending between # sampling and the RETT @@ -924,9 +933,7 @@ __syscall_exit: movgs gr23,psr ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_ALLWORK_MASK),gr5 - setlo %lo(_TIF_ALLWORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_ALLWORK_MASK,gr0,icc0 bne icc0,#0,__syscall_exit_work # restore all registers and return @@ -1068,27 +1075,10 @@ __entry_return_from_kernel_interrupt: subicc gr5,#0,gr0,icc0 beq icc0,#0,__entry_return_direct -__entry_preempt_need_resched: - ldi @(gr15,#TI_FLAGS),gr4 - andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 - beq icc0,#1,__entry_return_direct - - setlos #PREEMPT_ACTIVE,gr5 - sti gr5,@(gr15,#TI_FLAGS) - - andi gr23,#~PSR_PIL,gr23 - movgs gr23,psr - - call schedule - sti gr0,@(gr15,#TI_PRE_COUNT) - - movsg psr,gr23 - ori gr23,#PSR_PIL_14,gr23 - movgs gr23,psr - bra __entry_preempt_need_resched -#else - bra __entry_return_direct + subcc gr0,gr0,gr0,icc2 /* set Z and clear C */ + call preempt_schedule_irq #endif + bra __entry_return_direct ############################################################################### @@ -1111,9 +1101,7 @@ __entry_resume_userspace: __entry_return_from_user_interrupt: LEDS 0x6402 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct __entry_work_pending: @@ -1133,9 +1121,7 @@ __entry_work_resched: LEDS 0x6401 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 bne icc0,#1,__entry_work_resched @@ -1163,7 +1149,9 @@ __syscall_trace_entry: # perform syscall exit tracing __syscall_exit_work: LEDS 0x6340 - andicc gr4,#_TIF_SYSCALL_TRACE,gr0,icc0 + andicc gr22,#PSR_PS,gr0,icc1 ; don't handle on return to kernel mode + andicc.p gr4,#_TIF_SYSCALL_TRACE,gr0,icc0 + bne icc1,#0,__entry_return_direct beq icc0,#1,__entry_work_pending movsg psr,gr23 @@ -1358,7 +1346,7 @@ sys_call_table: .long sys_ni_syscall /* for vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* Old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl @@ -1526,5 +1514,6 @@ sys_call_table: .long sys_pwritev .long sys_rt_tgsigqueueinfo /* 335 */ .long sys_perf_event_open + .long sys_setns syscall_table_size = (. - sys_call_table) diff --git a/arch/frv/kernel/frv_ksyms.c b/arch/frv/kernel/frv_ksyms.c index a89803b58b9..86c516d96dc 100644 --- a/arch/frv/kernel/frv_ksyms.c +++ b/arch/frv/kernel/frv_ksyms.c @@ -30,7 +30,6 @@ EXPORT_SYMBOL(ip_fast_csum); EXPORT_SYMBOL(local_irq_count); EXPORT_SYMBOL(local_bh_count); #endif -EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(__res_bus_clock_speed_HZ); EXPORT_SYMBOL(__page_offset); diff --git a/arch/frv/kernel/futex.c b/arch/frv/kernel/futex.c index 14f64b054c7..d155ca9e509 100644 --- a/arch/frv/kernel/futex.c +++ b/arch/frv/kernel/futex.c @@ -18,7 +18,7 @@ * the various futex operations; MMU fault checking is ignored under no-MMU * conditions */ -static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -50,7 +50,7 @@ static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_o return ret; } -static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -83,7 +83,7 @@ static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_o return ret; } -static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -116,7 +116,7 @@ static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_ol return ret; } -static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -149,7 +149,7 @@ static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_o return ret; } -static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -186,7 +186,7 @@ static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_o /* * do the futex operations */ -int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -197,7 +197,7 @@ int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); diff --git a/arch/frv/kernel/gdb-io.c b/arch/frv/kernel/gdb-io.c index 2ca641d199f..0707d35079b 100644 --- a/arch/frv/kernel/gdb-io.c +++ b/arch/frv/kernel/gdb-io.c @@ -19,7 +19,6 @@ #include <linux/serial_reg.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/irc-regs.h> #include <asm/timer-regs.h> #include <asm/gdb-stub.h> diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c index a4dba6b20bd..bbe78b0bffe 100644 --- a/arch/frv/kernel/gdb-stub.c +++ b/arch/frv/kernel/gdb-stub.c @@ -126,7 +126,6 @@ #include <asm/asm-offsets.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/gdb-stub.h> #define LEDS(x) do { /* *(u32*)0xe1200004 = ~(x); mb(); */ } while(0) @@ -672,7 +671,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if ((uint32_t)mem&1 && count>=1) { if (!gdbstub_read_byte(mem,ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); + buf = hex_byte_pack(buf, ch[0]); mem++; count--; } @@ -680,8 +679,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if ((uint32_t)mem&3 && count>=2) { if (!gdbstub_read_word(mem,(uint16_t *)ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); - buf = pack_hex_byte(buf, ch[1]); + buf = hex_byte_pack(buf, ch[0]); + buf = hex_byte_pack(buf, ch[1]); mem += 2; count -= 2; } @@ -689,10 +688,10 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa while (count>=4) { if (!gdbstub_read_dword(mem,(uint32_t *)ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); - buf = pack_hex_byte(buf, ch[1]); - buf = pack_hex_byte(buf, ch[2]); - buf = pack_hex_byte(buf, ch[3]); + buf = hex_byte_pack(buf, ch[0]); + buf = hex_byte_pack(buf, ch[1]); + buf = hex_byte_pack(buf, ch[2]); + buf = hex_byte_pack(buf, ch[3]); mem += 4; count -= 4; } @@ -700,8 +699,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if (count>=2) { if (!gdbstub_read_word(mem,(uint16_t *)ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); - buf = pack_hex_byte(buf, ch[1]); + buf = hex_byte_pack(buf, ch[0]); + buf = hex_byte_pack(buf, ch[1]); mem += 2; count -= 2; } @@ -709,7 +708,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if (count>=1) { if (!gdbstub_read_byte(mem,ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); + buf = hex_byte_pack(buf, ch[0]); } *buf = 0; @@ -1498,21 +1497,21 @@ void gdbstub(int sigval) ptr = mem2hex(title, ptr, sizeof(title) - 1,0); hx = hex_asc_hi(brr >> 24); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr >> 24); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_hi(brr >> 16); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr >> 16); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_hi(brr >> 8); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr >> 8); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_hi(brr); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); ptr = mem2hex(crlf, ptr, sizeof(crlf) - 1, 0); *ptr = 0; @@ -1526,10 +1525,10 @@ void gdbstub(int sigval) /* Send trap type (converted to signal) */ *ptr++ = 'T'; - ptr = pack_hex_byte(ptr, sigval); + ptr = hex_byte_pack(ptr, sigval); /* Send Error PC */ - ptr = pack_hex_byte(ptr, GDB_REG_PC); + ptr = hex_byte_pack(ptr, GDB_REG_PC); *ptr++ = ':'; ptr = mem2hex(&__debug_frame->pc, ptr, 4, 0); *ptr++ = ';'; @@ -1537,7 +1536,7 @@ void gdbstub(int sigval) /* * Send frame pointer */ - ptr = pack_hex_byte(ptr, GDB_REG_FP); + ptr = hex_byte_pack(ptr, GDB_REG_FP); *ptr++ = ':'; ptr = mem2hex(&__debug_frame->fp, ptr, 4, 0); *ptr++ = ';'; @@ -1545,7 +1544,7 @@ void gdbstub(int sigval) /* * Send stack pointer */ - ptr = pack_hex_byte(ptr, GDB_REG_SP); + ptr = hex_byte_pack(ptr, GDB_REG_SP); *ptr++ = ':'; ptr = mem2hex(&__debug_frame->sp, ptr, 4, 0); *ptr++ = ';'; diff --git a/arch/frv/kernel/head.S b/arch/frv/kernel/head.S index e9a8cc63ac9..a7d0bea9c03 100644 --- a/arch/frv/kernel/head.S +++ b/arch/frv/kernel/head.S @@ -479,11 +479,6 @@ __head_mmu_enabled: LEDS 0x000c - # initialise the processor and the peripherals - #call SYMBOL_NAME(processor_init) - #call SYMBOL_NAME(unit_init) - #LEDS 0x0aff - sethi.p #0xe5e5,gr3 setlo #0xe5e5,gr3 or.p gr3,gr0,gr4 diff --git a/arch/frv/kernel/init_task.c b/arch/frv/kernel/init_task.c deleted file mode 100644 index 3c3e0b336a9..00000000000 --- a/arch/frv/kernel/init_task.c +++ /dev/null @@ -1,32 +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> -#include <asm/pgtable.h> - - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -/* - * Initial thread structure. - * - * We need to make sure that this is THREAD_SIZE aligned due to the - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ -union thread_union init_thread_union __init_task_data = - { INIT_THREAD_INFO(init_task) }; - -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); - -EXPORT_SYMBOL(init_task); diff --git a/arch/frv/kernel/irq-mb93091.c b/arch/frv/kernel/irq-mb93091.c index 4dd9adaf115..2cc327a1ca4 100644 --- a/arch/frv/kernel/irq-mb93091.c +++ b/arch/frv/kernel/irq-mb93091.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/delay.h> #include <asm/irq.h> #include <asm/irc-regs.h> @@ -36,45 +35,45 @@ /* * on-motherboard FPGA PIC operations */ -static void frv_fpga_mask(unsigned int irq) +static void frv_fpga_mask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); } -static void frv_fpga_ack(unsigned int irq) +static void frv_fpga_ack(struct irq_data *d) { - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_mask_ack(unsigned int irq) +static void frv_fpga_mask_ack(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_unmask(unsigned int irq) +static void frv_fpga_unmask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr &= ~(1 << (irq - IRQ_BASE_FPGA)); + imr &= ~(1 << (d->irq - IRQ_BASE_FPGA)); __set_IMR(imr); } static struct irq_chip frv_fpga_pic = { .name = "mb93091", - .ack = frv_fpga_ack, - .mask = frv_fpga_mask, - .mask_ack = frv_fpga_mask_ack, - .unmask = frv_fpga_unmask, + .irq_ack = frv_fpga_ack, + .irq_mask = frv_fpga_mask, + .irq_mask_ack = frv_fpga_mask_ack, + .irq_unmask = frv_fpga_unmask, }; /* @@ -146,9 +145,9 @@ void __init fpga_init(void) __clr_IFR(0x0000); for (irq = IRQ_BASE_FPGA + 1; irq <= IRQ_BASE_FPGA + 14; irq++) - set_irq_chip_and_handler(irq, &frv_fpga_pic, handle_level_irq); + irq_set_chip_and_handler(irq, &frv_fpga_pic, handle_level_irq); - set_irq_chip_and_handler(IRQ_FPGA_NMI, &frv_fpga_pic, handle_edge_irq); + irq_set_chip_and_handler(IRQ_FPGA_NMI, &frv_fpga_pic, handle_edge_irq); /* the FPGA drives the first four external IRQ inputs on the CPU PIC */ setup_irq(IRQ_CPU_EXTERNAL0, &fpga_irq[0]); diff --git a/arch/frv/kernel/irq-mb93093.c b/arch/frv/kernel/irq-mb93093.c index e4520903187..95e4eb4f1f3 100644 --- a/arch/frv/kernel/irq-mb93093.c +++ b/arch/frv/kernel/irq-mb93093.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/delay.h> #include <asm/irq.h> #include <asm/irc-regs.h> @@ -35,45 +34,44 @@ /* * off-CPU FPGA PIC operations */ -static void frv_fpga_mask(unsigned int irq) +static void frv_fpga_mask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); } -static void frv_fpga_ack(unsigned int irq) +static void frv_fpga_ack(struct irq_data *d) { - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_mask_ack(unsigned int irq) +static void frv_fpga_mask_ack(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_unmask(unsigned int irq) +static void frv_fpga_unmask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr &= ~(1 << (irq - IRQ_BASE_FPGA)); + imr &= ~(1 << (d->irq - IRQ_BASE_FPGA)); __set_IMR(imr); } static struct irq_chip frv_fpga_pic = { .name = "mb93093", - .ack = frv_fpga_ack, - .mask = frv_fpga_mask, - .mask_ack = frv_fpga_mask_ack, - .unmask = frv_fpga_unmask, - .end = frv_fpga_end, + .irq_ack = frv_fpga_ack, + .irq_mask = frv_fpga_mask, + .irq_mask_ack = frv_fpga_mask_ack, + .irq_unmask = frv_fpga_unmask, }; /* @@ -94,7 +92,7 @@ static irqreturn_t fpga_interrupt(int irq, void *_mask) irq = 31 - irq; mask &= ~(1 << irq); - generic_irq_handle(IRQ_BASE_FPGA + irq); + generic_handle_irq(IRQ_BASE_FPGA + irq); } return IRQ_HANDLED; @@ -125,7 +123,7 @@ void __init fpga_init(void) __clr_IFR(0x0000); for (irq = IRQ_BASE_FPGA + 8; irq <= IRQ_BASE_FPGA + 10; irq++) - set_irq_chip_and_handler(irq, &frv_fpga_pic, handle_edge_irq); + irq_set_chip_and_handler(irq, &frv_fpga_pic, handle_edge_irq); /* the FPGA drives external IRQ input #2 on the CPU PIC */ setup_irq(IRQ_CPU_EXTERNAL2, &fpga_irq[0]); diff --git a/arch/frv/kernel/irq-mb93493.c b/arch/frv/kernel/irq-mb93493.c index ba55ecdfb24..ba648da0932 100644 --- a/arch/frv/kernel/irq-mb93493.c +++ b/arch/frv/kernel/irq-mb93493.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/delay.h> #include <asm/irq.h> #include <asm/irc-regs.h> @@ -45,46 +44,46 @@ * daughter board PIC operations * - there is no way to ACK interrupts in the MB93493 chip */ -static void frv_mb93493_mask(unsigned int irq) +static void frv_mb93493_mask(struct irq_data *d) { uint32_t iqsr; volatile void *piqsr; - if (IRQ_ROUTING & (1 << (irq - IRQ_BASE_MB93493))) + if (IRQ_ROUTING & (1 << (d->irq - IRQ_BASE_MB93493))) piqsr = __addr_MB93493_IQSR(1); else piqsr = __addr_MB93493_IQSR(0); iqsr = readl(piqsr); - iqsr &= ~(1 << (irq - IRQ_BASE_MB93493 + 16)); + iqsr &= ~(1 << (d->irq - IRQ_BASE_MB93493 + 16)); writel(iqsr, piqsr); } -static void frv_mb93493_ack(unsigned int irq) +static void frv_mb93493_ack(struct irq_data *d) { } -static void frv_mb93493_unmask(unsigned int irq) +static void frv_mb93493_unmask(struct irq_data *d) { uint32_t iqsr; volatile void *piqsr; - if (IRQ_ROUTING & (1 << (irq - IRQ_BASE_MB93493))) + if (IRQ_ROUTING & (1 << (d->irq - IRQ_BASE_MB93493))) piqsr = __addr_MB93493_IQSR(1); else piqsr = __addr_MB93493_IQSR(0); iqsr = readl(piqsr); - iqsr |= 1 << (irq - IRQ_BASE_MB93493 + 16); + iqsr |= 1 << (d->irq - IRQ_BASE_MB93493 + 16); writel(iqsr, piqsr); } static struct irq_chip frv_mb93493_pic = { .name = "mb93093", - .ack = frv_mb93493_ack, - .mask = frv_mb93493_mask, - .mask_ack = frv_mb93493_mask, - .unmask = frv_mb93493_unmask, + .irq_ack = frv_mb93493_ack, + .irq_mask = frv_mb93493_mask, + .irq_mask_ack = frv_mb93493_mask, + .irq_unmask = frv_mb93493_unmask, }; /* @@ -139,7 +138,8 @@ void __init mb93493_init(void) int irq; for (irq = IRQ_BASE_MB93493 + 0; irq <= IRQ_BASE_MB93493 + 10; irq++) - set_irq_chip_and_handler(irq, &frv_mb93493_pic, handle_edge_irq); + irq_set_chip_and_handler(irq, &frv_mb93493_pic, + handle_edge_irq); /* the MB93493 drives external IRQ inputs on the CPU PIC */ setup_irq(IRQ_CPU_MB93493_0, &mb93493_irq[0]); diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c index 625136625a7..2239346fa3d 100644 --- a/arch/frv/kernel/irq.c +++ b/arch/frv/kernel/irq.c @@ -25,10 +25,9 @@ #include <linux/module.h> #include <linux/bitops.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/io.h> #include <asm/smp.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/pgalloc.h> #include <asm/delay.h> @@ -47,89 +46,45 @@ extern void __init mb93493_init(void); atomic_t irq_err_count; -/* - * Generic, controller-independent functions: - */ -int show_interrupts(struct seq_file *p, void *v) +int arch_show_interrupts(struct seq_file *p, int prec) { - int i = *(loff_t *) v, cpu; - struct irqaction * action; - unsigned long flags; - - if (i == 0) { - char cpuname[12]; - - seq_printf(p, " "); - for_each_present_cpu(cpu) { - sprintf(cpuname, "CPU%d", cpu); - seq_printf(p, " %10s", cpuname); - } - seq_putc(p, '\n'); - } - - if (i < NR_IRQS) { - raw_spin_lock_irqsave(&irq_desc[i].lock, flags); - action = irq_desc[i].action; - if (action) { - seq_printf(p, "%3d: ", i); - for_each_present_cpu(cpu) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu)); - seq_printf(p, " %10s", irq_desc[i].chip->name ? : "-"); - seq_printf(p, " %s", action->name); - for (action = action->next; - action; - action = action->next) - seq_printf(p, ", %s", action->name); - - seq_putc(p, '\n'); - } - - raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags); - } else if (i == NR_IRQS) { - seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count)); - } - + seq_printf(p, "%*s: ", prec, "ERR"); + seq_printf(p, "%10u\n", atomic_read(&irq_err_count)); return 0; } /* * on-CPU PIC operations */ -static void frv_cpupic_ack(unsigned int irqlevel) +static void frv_cpupic_ack(struct irq_data *d) { - __clr_RC(irqlevel); + __clr_RC(d->irq); __clr_IRL(); } -static void frv_cpupic_mask(unsigned int irqlevel) +static void frv_cpupic_mask(struct irq_data *d) { - __set_MASK(irqlevel); + __set_MASK(d->irq); } -static void frv_cpupic_mask_ack(unsigned int irqlevel) +static void frv_cpupic_mask_ack(struct irq_data *d) { - __set_MASK(irqlevel); - __clr_RC(irqlevel); + __set_MASK(d->irq); + __clr_RC(d->irq); __clr_IRL(); } -static void frv_cpupic_unmask(unsigned int irqlevel) -{ - __clr_MASK(irqlevel); -} - -static void frv_cpupic_end(unsigned int irqlevel) +static void frv_cpupic_unmask(struct irq_data *d) { - __clr_MASK(irqlevel); + __clr_MASK(d->irq); } static struct irq_chip frv_cpu_pic = { .name = "cpu", - .ack = frv_cpupic_ack, - .mask = frv_cpupic_mask, - .mask_ack = frv_cpupic_mask_ack, - .unmask = frv_cpupic_unmask, - .end = frv_cpupic_end, + .irq_ack = frv_cpupic_ack, + .irq_mask = frv_cpupic_mask, + .irq_mask_ack = frv_cpupic_mask_ack, + .irq_unmask = frv_cpupic_unmask, }; /* @@ -161,10 +116,10 @@ void __init init_IRQ(void) int level; for (level = 1; level <= 14; level++) - set_irq_chip_and_handler(level, &frv_cpu_pic, + irq_set_chip_and_handler(level, &frv_cpu_pic, handle_level_irq); - set_irq_handler(IRQ_CPU_TIMER0, handle_edge_irq); + irq_set_handler(IRQ_CPU_TIMER0, handle_edge_irq); /* set the trigger levels for internal interrupt sources * - timers all falling-edge diff --git a/arch/frv/kernel/kernel_execve.S b/arch/frv/kernel/kernel_execve.S deleted file mode 100644 index 9b074a16a05..00000000000 --- a/arch/frv/kernel/kernel_execve.S +++ /dev/null @@ -1,33 +0,0 @@ -/* in-kernel program execution - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.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. - */ - -#include <linux/linkage.h> -#include <asm/unistd.h> - -############################################################################### -# -# Do a system call from kernel instead of calling sys_execve so we end up with -# proper pt_regs. -# -# int kernel_execve(const char *filename, char *const argv[], char *const envp[]) -# -# On entry: GR8/GR9/GR10: arguments to function -# On return: GR8: syscall return. -# -############################################################################### - .globl kernel_execve - .type kernel_execve,@function -kernel_execve: - setlos __NR_execve,gr7 - tira gr0,#0 - bralr - - .size kernel_execve,.-kernel_execve diff --git a/arch/frv/kernel/kernel_thread.S b/arch/frv/kernel/kernel_thread.S deleted file mode 100644 index 4531c830d20..00000000000 --- a/arch/frv/kernel/kernel_thread.S +++ /dev/null @@ -1,77 +0,0 @@ -/* kernel_thread.S: kernel thread creation - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.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. - */ - -#include <linux/linkage.h> -#include <asm/unistd.h> - -#define CLONE_VM 0x00000100 /* set if VM shared between processes */ -#define KERN_ERR "<3>" - - .section .rodata -kernel_thread_emsg: - .asciz KERN_ERR "failed to create kernel thread: error=%d\n" - - .text - .balign 4 - -############################################################################### -# -# Create a kernel thread -# -# int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -# -############################################################################### - .globl kernel_thread - .type kernel_thread,@function -kernel_thread: - or.p gr8,gr0,gr4 - or gr9,gr0,gr5 - - # start by forking the current process, but with shared VM - setlos.p #__NR_clone,gr7 ; syscall number - ori gr10,#CLONE_VM,gr8 ; first syscall arg [clone_flags] - sethi.p #0xe4e4,gr9 ; second syscall arg [newsp] - setlo #0xe4e4,gr9 - setlos.p #0,gr10 ; third syscall arg [parent_tidptr] - setlos #0,gr11 ; fourth syscall arg [child_tidptr] - tira gr0,#0 - setlos.p #4095,gr7 - andcc gr8,gr8,gr0,icc0 - addcc.p gr8,gr7,gr0,icc1 - bnelr icc0,#2 - bc icc1,#0,kernel_thread_error - - # now invoke the work function - or gr5,gr0,gr8 - calll @(gr4,gr0) - - # and finally exit the thread - setlos #__NR_exit,gr7 ; syscall number - tira gr0,#0 - -kernel_thread_error: - subi sp,#8,sp - movsg lr,gr4 - sti gr8,@(sp,#0) - sti.p gr4,@(sp,#4) - - or gr8,gr0,gr9 - sethi.p %hi(kernel_thread_emsg),gr8 - setlo %lo(kernel_thread_emsg),gr8 - - call printk - - ldi @(sp,#4),gr4 - ldi @(sp,#0),gr8 - subi sp,#8,sp - jmpl @(gr4,gr0) - - .size kernel_thread,.-kernel_thread diff --git a/arch/frv/kernel/module.c b/arch/frv/kernel/module.c index 711763c8a6f..9d9835f1fe2 100644 --- a/arch/frv/kernel/module.c +++ b/arch/frv/kernel/module.c @@ -22,57 +22,6 @@ #define DEBUGP(fmt...) #endif -void *module_alloc(unsigned long size) -{ - if (size == 0) - return NULL; - - return vmalloc_exec(size); -} - - -/* Free memory returned from module_alloc */ -void module_free(struct module *mod, void *module_region) -{ - vfree(module_region); -} - -/* We don't need anything special. */ -int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - return 0; -} - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name); - return -ENOEXEC; -} - -int apply_relocate_add(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name); - return -ENOEXEC; -} - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *me) -{ - return 0; -} - -void module_arch_cleanup(struct module *mod) -{ -} +/* TODO: At least one of apply_relocate or apply_relocate_add must be + * implemented in order to get working module support. + */ diff --git a/arch/frv/kernel/pm.c b/arch/frv/kernel/pm.c index 5fa3889d858..ac767d94a88 100644 --- a/arch/frv/kernel/pm.c +++ b/arch/frv/kernel/pm.c @@ -150,26 +150,25 @@ static int user_atoi(char __user *ubuf, size_t len) /* * Send us to sleep. */ -static int sysctl_pm_do_suspend(ctl_table *ctl, int write, +static int sysctl_pm_do_suspend(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { - int retval, mode; + int mode; if (*lenp <= 0) return -EIO; mode = user_atoi(buffer, *lenp); - if ((mode != 1) && (mode != 5)) - return -EINVAL; + switch (mode) { + case 1: + return pm_do_suspend(); - if (retval == 0) { - if (mode == 5) - retval = pm_do_bus_sleep(); - else - retval = pm_do_suspend(); - } + case 5: + return pm_do_bus_sleep(); - return retval; + default: + return -EINVAL; + } } static int try_set_cmode(int new_cmode) @@ -198,7 +197,7 @@ static int try_set_cmode(int new_cmode) } -static int cmode_procctl(ctl_table *ctl, int write, +static int cmode_procctl(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { int new_cmode; @@ -270,7 +269,7 @@ static int try_set_cm(int new_cm) return 0; } -static int p0_procctl(ctl_table *ctl, int write, +static int p0_procctl(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { int new_p0; @@ -283,7 +282,7 @@ static int p0_procctl(ctl_table *ctl, int write, return try_set_p0(new_p0)?:*lenp; } -static int cm_procctl(ctl_table *ctl, int write, +static int cm_procctl(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { int new_cm; diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 2b63b0191f5..5d40aeb7712 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> @@ -26,10 +25,10 @@ #include <linux/reboot.h> #include <linux/interrupt.h> #include <linux/pagemap.h> +#include <linux/rcupdate.h> #include <asm/asm-offsets.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/setup.h> #include <asm/pgtable.h> #include <asm/tlb.h> @@ -39,26 +38,13 @@ #include "local.h" asmlinkage void ret_from_fork(void); +asmlinkage void ret_from_kernel_thread(void); #include <asm/pgalloc.h> void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -struct task_struct *alloc_task_struct(void) -{ - struct task_struct *p = kmalloc(THREAD_SIZE, GFP_KERNEL); - if (p) - atomic_set((atomic_t *)(p+1), 1); - return p; -} - -void free_task_struct(struct task_struct *p) -{ - if (atomic_dec_and_test((atomic_t *)(p+1))) - kfree(p); -} - static void core_sleep_idle(void) { #ifdef LED_DEBUG_SLEEP @@ -73,29 +59,12 @@ static void core_sleep_idle(void) mb(); } -void (*idle)(void) = core_sleep_idle; - -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void cpu_idle(void) +void arch_cpu_idle(void) { - /* endless idle loop with no priority at all */ - while (1) { - while (!need_resched()) { - check_pgt_cache(); - - if (!frv_dma_inprogress && idle) - idle(); - } - - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } + if (!frv_dma_inprogress) + core_sleep_idle(); + else + local_irq_enable(); } void machine_restart(char * __unused) @@ -143,10 +112,7 @@ void machine_power_off(void) void flush_thread(void) { -#if 0 //ndef NO_FPU - unsigned long zero = 0; -#endif - set_fs(USER_DS); + /* nothing */ } inline unsigned long user_stack(const struct pt_regs *regs) @@ -156,87 +122,40 @@ inline unsigned long user_stack(const struct pt_regs *regs) return user_mode(regs) ? regs->sp : 0; } -asmlinkage int sys_fork(void) -{ -#ifndef CONFIG_MMU - /* fork almost works, enough to trick you into looking elsewhere:-( */ - return -EINVAL; -#else - return do_fork(SIGCHLD, user_stack(__frame), __frame, 0, NULL, NULL); -#endif -} - -asmlinkage int sys_vfork(void) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, user_stack(__frame), __frame, 0, - NULL, NULL); -} - -/*****************************************************************************/ -/* - * clone a process - * - tlsptr is retrieved by copy_thread() - */ -asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, - int __user *parent_tidptr, int __user *child_tidptr, - int __user *tlsptr) -{ - if (!newsp) - newsp = user_stack(__frame); - return do_fork(clone_flags, newsp, __frame, 0, parent_tidptr, child_tidptr); -} /* end sys_clone() */ - -/*****************************************************************************/ -/* - * This gets called before we allocate a new thread and copy - * the current task into it. - */ -void prepare_to_copy(struct task_struct *tsk) -{ - //unlazy_fpu(tsk); -} /* end prepare_to_copy() */ - -/*****************************************************************************/ /* * set up the kernel stack and exception frames for a new process */ int copy_thread(unsigned long clone_flags, - unsigned long usp, unsigned long topstk, - struct task_struct *p, struct pt_regs *regs) + unsigned long usp, unsigned long arg, + struct task_struct *p) { - struct pt_regs *childregs0, *childregs, *regs0; + struct pt_regs *childregs; - regs0 = __kernel_frame0_ptr; - childregs0 = (struct pt_regs *) + childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE); - childregs = childregs0; /* set up the userspace frame (the only place that the USP is stored) */ - *childregs0 = *regs0; - - childregs0->gr8 = 0; - childregs0->sp = usp; - childregs0->next_frame = NULL; - - /* set up the return kernel frame if called from kernel_thread() */ - if (regs != regs0) { - childregs--; - *childregs = *regs; - childregs->sp = (unsigned long) childregs0; - childregs->next_frame = childregs0; - childregs->gr15 = (unsigned long) task_thread_info(p); - childregs->gr29 = (unsigned long) p; - } - - p->set_child_tid = p->clear_child_tid = NULL; + *childregs = *current_pt_regs(); p->thread.frame = childregs; p->thread.curr = p; p->thread.sp = (unsigned long) childregs; p->thread.fp = 0; p->thread.lr = 0; - p->thread.pc = (unsigned long) ret_from_fork; - p->thread.frame0 = childregs0; + p->thread.frame0 = childregs; + + if (unlikely(p->flags & PF_KTHREAD)) { + childregs->gr9 = usp; /* function */ + childregs->gr8 = arg; + p->thread.pc = (unsigned long) ret_from_kernel_thread; + save_user_regs(p->thread.user); + return 0; + } + if (usp) + childregs->sp = usp; + childregs->next_frame = NULL; + + p->thread.pc = (unsigned long) ret_from_fork; /* the new TLS pointer is passed in as arg #5 to sys_clone() */ if (clone_flags & CLONE_SETTLS) @@ -247,25 +166,6 @@ int copy_thread(unsigned long clone_flags, return 0; } /* end copy_thread() */ -/* - * sys_execve() executes a new program. - */ -asmlinkage int sys_execve(const char __user *name, - const char __user *const __user *argv, - const char __user *const __user *envp) -{ - int error; - char * filename; - - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - return error; - error = do_execve(filename, argv, envp, __frame); - putname(filename); - return error; -} - unsigned long get_wchan(struct task_struct *p) { struct pt_regs *regs0; diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index 9d68f7fac73..3987ff88dab 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -26,7 +26,6 @@ #include <asm/uaccess.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> #include <asm/unistd.h> diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index 75cf7f4b2fa..9f3a7a62d78 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -112,9 +112,11 @@ char __initdata redboot_command_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_PM #define __pminit #define __pminitdata +#define __pminitconst #else #define __pminit __init #define __pminitdata __initdata +#define __pminitconst __initconst #endif struct clock_cmode { @@ -184,7 +186,7 @@ static struct clock_cmode __pminitdata clock_cmodes_fr555[16] = { [6] = { _x1, _x1_5, _x1_5, _x4_5, _x0_375 }, }; -static const struct clock_cmode __pminitdata *clock_cmodes; +static const struct clock_cmode __pminitconst *clock_cmodes; static int __pminitdata clock_doubled; static struct uart_port __pminitdata __frv_uart0 = { @@ -707,7 +709,7 @@ static void __init reserve_dma_coherent(void) /* * calibrate the delay loop */ -void __cpuinit calibrate_delay(void) +void calibrate_delay(void) { loops_per_jiffy = __delay_loops_MHz * (1000000 / HZ); @@ -733,7 +735,7 @@ static void __init parse_cmdline_early(char *cmdline) /* "mem=XXX[kKmM]" sets SDRAM size to <mem>, overriding the value we worked * out from the SDRAM controller mask register */ - if (!memcmp(cmdline, "mem=", 4)) { + if (!strncmp(cmdline, "mem=", 4)) { unsigned long long mem_size; mem_size = memparse(cmdline + 4, &cmdline); @@ -802,9 +804,9 @@ void __init setup_arch(char **cmdline_p) BUG_ON(memory_start == memory_end); - init_mm.start_code = (unsigned long) &_stext; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; + init_mm.start_code = (unsigned long) _stext; + init_mm.end_code = (unsigned long) _etext; + init_mm.end_data = (unsigned long) _edata; #if 0 /* DAVIDM - don't set brk just incase someone decides to use it */ init_mm.brk = (unsigned long) &_end; #else @@ -812,10 +814,8 @@ void __init setup_arch(char **cmdline_p) #endif #ifdef DEBUG - printk("KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x BSS=0x%06x-0x%06x\n", - (int) &_stext, (int) &_etext, - (int) &_sdata, (int) &_edata, - (int) &_sbss, (int) &_ebss); + printk("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n", + _stext, _etext, _sdata, _edata, __bss_start, __bss_stop); #endif #ifdef CONFIG_VT @@ -852,7 +852,7 @@ void __init setup_arch(char **cmdline_p) /* * */ -static int __devinit setup_arch_serial(void) +static int setup_arch_serial(void) { /* register those serial ports that are available */ #ifndef CONFIG_GDBSTUB_UART0 @@ -876,6 +876,7 @@ late_initcall(setup_arch_serial); static void __init setup_linux_memory(void) { unsigned long bootmap_size, low_top_pfn, kstart, kend, high_mem; + unsigned long physpages; kstart = (unsigned long) &__kernel_image_start - PAGE_OFFSET; kend = (unsigned long) &__kernel_image_end - PAGE_OFFSET; @@ -893,19 +894,19 @@ static void __init setup_linux_memory(void) ); /* pass the memory that the kernel can immediately use over to the bootmem allocator */ - max_mapnr = num_physpages = (memory_end - memory_start) >> PAGE_SHIFT; + max_mapnr = physpages = (memory_end - memory_start) >> PAGE_SHIFT; low_top_pfn = (KERNEL_LOWMEM_END - KERNEL_LOWMEM_START) >> PAGE_SHIFT; high_mem = 0; - if (num_physpages > low_top_pfn) { + if (physpages > low_top_pfn) { #ifdef CONFIG_HIGHMEM - high_mem = num_physpages - low_top_pfn; + high_mem = physpages - low_top_pfn; #else - max_mapnr = num_physpages = low_top_pfn; + max_mapnr = physpages = low_top_pfn; #endif } else { - low_top_pfn = num_physpages; + low_top_pfn = physpages; } min_low_pfn = memory_start >> PAGE_SHIFT; @@ -979,7 +980,7 @@ static void __init setup_uclinux_memory(void) free_bootmem(memory_start, memory_end - memory_start); high_memory = (void *) (memory_end & PAGE_MASK); - max_mapnr = num_physpages = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT; + max_mapnr = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT; min_low_pfn = memory_start >> PAGE_SHIFT; max_low_pfn = memory_end >> PAGE_SHIFT; diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index bab01298b58..d822700d4f1 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -28,71 +27,12 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - struct fdpic_func_descriptor { unsigned long text; unsigned long GOT; }; /* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int sys_sigsuspend(int history0, int history1, 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_sigaction(int sig, - const struct old_sigaction __user *act, - struct old_sigaction __user *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return ret; -} - -asmlinkage -int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, __frame->sp); -} - - -/* * Do a signal return; undo the signal stack. */ @@ -157,11 +97,7 @@ asmlinkage int sys_sigreturn(void) __copy_from_user(&set.sig[1], &frame->extramask, sizeof(frame->extramask))) goto badframe; - 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->sc, &gr8)) goto badframe; @@ -183,16 +119,12 @@ asmlinkage int sys_rt_sigreturn(void) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - 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, &gr8)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, __frame->sp) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return gr8; @@ -316,10 +248,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) __frame->lr = (unsigned long) &frame->retcode; __frame->gr8 = sig; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, __frame->pc, @@ -368,9 +296,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Create the ucontext. */ if (__put_user(0, &frame->uc.uc_flags) || __put_user(NULL, &frame->uc.uc_link) || - __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) || - __put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) || - __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size)) + __save_altstack(&frame->uc.uc_stack, __frame->sp)) goto give_sigsegv; if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0])) @@ -418,10 +344,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, __frame->gr8 = sig; __frame->gr9 = (unsigned long) &frame->info; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, __frame->pc, @@ -440,9 +362,10 @@ give_sigsegv: /* * OK, we're invoking a handler */ -static int handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset) +static void handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ @@ -474,18 +397,11 @@ static int handle_signal(unsigned long sig, siginfo_t *info, else ret = setup_frame(sig, ka, oldset); - 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); - } - - return ret; + if (ret) + return; + signal_delivered(sig, info, ka, __frame, + test_thread_flag(TIF_SINGLESTEP)); } /* end handle_signal() */ /*****************************************************************************/ @@ -498,44 +414,14 @@ static void do_signal(void) { struct k_sigaction ka; siginfo_t info; - sigset_t *oldset; int signr; - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(__frame)) - return; - - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, __frame, NULL); if (signr > 0) { - if (handle_signal(signr, &info, &ka, oldset) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signr, &info, &ka, __frame, - test_thread_flag(TIF_SINGLESTEP)); - } - + handle_signal(signr, &info, &ka); return; } -no_signal: /* Did we come from a system call? */ if (__frame->syscallno != -1) { /* Restart the system call - no handlers present */ @@ -557,11 +443,7 @@ no_signal: /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - + restore_saved_sigmask(); } /* end do_signal() */ /*****************************************************************************/ @@ -576,15 +458,13 @@ asmlinkage void do_notify_resume(__u32 thread_info_flags) clear_thread_flag(TIF_SINGLESTEP); /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(); /* deal with notification on about to resume userspace execution */ if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(__frame); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } /* end do_notify_resume() */ diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c index 6c155d69da2..f4dfae2c75a 100644 --- a/arch/frv/kernel/sysctl.c +++ b/arch/frv/kernel/sysctl.c @@ -46,7 +46,7 @@ static void frv_change_dcache_mode(unsigned long newmode) /* * handle requests to dynamically switch the write caching mode delivered by /proc */ -static int procctl_frv_cachemode(ctl_table *table, int write, +static int procctl_frv_cachemode(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -121,7 +121,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, * permit the mm_struct the nominated process is using have its MMU context ID pinned */ #ifdef CONFIG_MMU -static int procctl_frv_pin_cxnr(ctl_table *table, int write, +static int procctl_frv_pin_cxnr(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c index 0ddbbae83cb..b457de496b7 100644 --- a/arch/frv/kernel/time.c +++ b/arch/frv/kernel/time.c @@ -50,21 +50,13 @@ static struct irqaction timer_irq = { /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * as well as call the "xtime_update()" routine every clocktick */ static irqreturn_t timer_interrupt(int irq, void *dummy) { profile_tick(CPU_PROFILING); - /* - * Here we are in the timer irq handler. We just have irqs locally - * disabled but we don't know if the timer_bh is running on the other - * CPU. We need to avoid to SMP race with it. NOTE: we don't need - * the irq version of write_lock because as just said we have irq - * locally disabled. -arca - */ - write_seqlock(&xtime_lock); - do_timer(1); + xtime_update(1); #ifdef CONFIG_HEARTBEAT static unsigned short n; @@ -72,8 +64,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy) __set_LEDS(n); #endif /* CONFIG_HEARTBEAT */ - write_sequnlock(&xtime_lock); - update_process_times(user_mode(get_irq_regs())); return IRQ_HANDLED; diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c index 1d2dfe67d44..a6d105d61b2 100644 --- a/arch/frv/kernel/traps.c +++ b/arch/frv/kernel/traps.c @@ -23,7 +23,6 @@ #include <asm/asm-offsets.h> #include <asm/setup.h> #include <asm/fpu.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/siginfo.h> @@ -467,17 +466,6 @@ asmlinkage void compound_exception(unsigned long esfr1, BUG(); } /* end compound_exception() */ -/*****************************************************************************/ -/* - * The architecture-independent backtrace generator - */ -void dump_stack(void) -{ - show_stack(NULL, NULL); -} - -EXPORT_SYMBOL(dump_stack); - void show_stack(struct task_struct *task, unsigned long *sp) { } @@ -509,6 +497,7 @@ void show_regs(struct pt_regs *regs) int loop; printk("\n"); + show_regs_print_info(KERN_DEFAULT); printk("Frame: @%08lx [%s]\n", (unsigned long) regs, @@ -523,8 +512,6 @@ void show_regs(struct pt_regs *regs) else printk(" | "); } - - printk("Process %s (pid: %d)\n", current->comm, current->pid); } void die_if_kernel(const char *str, ...) @@ -536,7 +523,7 @@ void die_if_kernel(const char *str, ...) return; va_start(va, str); - vsprintf(buffer, str, va); + vsnprintf(buffer, sizeof(buffer), str, va); va_end(va); console_verbose(); diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S index 8b973f3cc90..7e958d829ec 100644 --- a/arch/frv/kernel/vmlinux.lds.S +++ b/arch/frv/kernel/vmlinux.lds.S @@ -37,7 +37,7 @@ SECTIONS _einittext = .; INIT_DATA_SECTION(8) - PERCPU(4096) + PERCPU_SECTION(L1_CACHE_BYTES) . = ALIGN(PAGE_SIZE); __init_end = .; diff --git a/arch/frv/mb93090-mb00/Makefile b/arch/frv/mb93090-mb00/Makefile index b73b542f8f4..21f1df1b378 100644 --- a/arch/frv/mb93090-mb00/Makefile +++ b/arch/frv/mb93090-mb00/Makefile @@ -3,7 +3,7 @@ # ifeq "$(CONFIG_PCI)" "y" -obj-y := pci-frv.o pci-irq.o pci-vdk.o pci-iomap.o +obj-y := pci-frv.o pci-irq.o pci-vdk.o ifeq "$(CONFIG_MMU)" "y" obj-y += pci-dma.o diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c index e47857f889b..b99c2a7cc7a 100644 --- a/arch/frv/mb93090-mb00/pci-dma-nommu.c +++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/slab.h> +#include <linux/export.h> #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c index 41098a3803a..82478979ac9 100644 --- a/arch/frv/mb93090-mb00/pci-dma.c +++ b/arch/frv/mb93090-mb00/pci-dma.c @@ -13,6 +13,7 @@ #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> +#include <linux/export.h> #include <linux/highmem.h> #include <linux/scatterlist.h> #include <asm/io.h> @@ -61,14 +62,14 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, dampr2 = __get_DAMPR(2); for (i = 0; i < nents; i++) { - vaddr = kmap_atomic_primary(sg_page(&sg[i]), __KM_CACHE); + vaddr = kmap_atomic_primary(sg_page(&sg[i])); frv_dcache_writeback((unsigned long) vaddr, (unsigned long) vaddr + PAGE_SIZE); } - kunmap_atomic_primary(vaddr, __KM_CACHE); + kunmap_atomic_primary(vaddr); if (dampr2) { __set_DAMPR(2, dampr2); __set_IAMPR(2, dampr2); diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c index 6b4fb28e9f9..67b1d168575 100644 --- a/arch/frv/mb93090-mb00/pci-frv.c +++ b/arch/frv/mb93090-mb00/pci-frv.c @@ -88,7 +88,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) /* Depth-First Search on bus tree */ for (ln=bus_list->next; ln != bus_list; ln=ln->next) { - bus = pci_bus_b(ln); + bus = list_entry(ln, struct pci_bus, node); if ((dev = bus->self)) { for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) { r = &dev->resource[idx]; @@ -194,23 +194,3 @@ void __init pcibios_resource_survey(void) pcibios_allocate_resources(1); pcibios_assign_resources(); } - -/* - * If we set up a device for bus mastering, we need to check the latency - * timer as certain crappy BIOSes forget to set it properly. - */ -unsigned int pcibios_max_latency = 255; - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - if (lat < 16) - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; - else if (lat > pcibios_max_latency) - lat = pcibios_max_latency; - else - return; - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h index f3fe5591479..a7e487fe76e 100644 --- a/arch/frv/mb93090-mb00/pci-frv.h +++ b/arch/frv/mb93090-mb00/pci-frv.h @@ -26,14 +26,10 @@ extern unsigned int __nongpreldata pci_probe; /* pci-frv.c */ -extern unsigned int pcibios_max_latency; - void pcibios_resource_survey(void); /* pci-vdk.c */ -extern int __nongpreldata pcibios_last_bus; -extern struct pci_bus *__nongpreldata pci_root_bus; extern struct pci_ops *__nongpreldata pci_root_ops; /* pci-irq.c */ diff --git a/arch/frv/mb93090-mb00/pci-iomap.c b/arch/frv/mb93090-mb00/pci-iomap.c deleted file mode 100644 index 35f6df28351..00000000000 --- a/arch/frv/mb93090-mb00/pci-iomap.c +++ /dev/null @@ -1,29 +0,0 @@ -/* pci-iomap.c: description - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.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. - */ -#include <linux/pci.h> -#include <linux/module.h> - -void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) -{ - resource_size_t start = pci_resource_start(dev, bar); - resource_size_t len = pci_resource_len(dev, bar); - unsigned long flags = pci_resource_flags(dev, bar); - - if (!len || !start) - return NULL; - - if ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM)) - return (void __iomem *) start; - - return NULL; -} - -EXPORT_SYMBOL(pci_iomap); diff --git a/arch/frv/mb93090-mb00/pci-irq.c b/arch/frv/mb93090-mb00/pci-irq.c index 20f6497b2cd..1c35c93f942 100644 --- a/arch/frv/mb93090-mb00/pci-irq.c +++ b/arch/frv/mb93090-mb00/pci-irq.c @@ -28,7 +28,7 @@ * */ -static const uint8_t __initdata pci_bus0_irq_routing[32][4] = { +static const uint8_t __initconst pci_bus0_irq_routing[32][4] = { [0 ] = { IRQ_FPGA_MB86943_PCI_INTA }, [16] = { IRQ_FPGA_RTL8029_INTA }, [17] = { IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD, IRQ_FPGA_PCI_INTA, IRQ_FPGA_PCI_INTB }, @@ -55,10 +55,6 @@ void __init pcibios_fixup_irqs(void) } } -void __init pcibios_penalize_isa_irq(int irq) -{ -} - void pcibios_enable_irq(struct pci_dev *dev) { pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index f8dd37e4953..efa5d65b000 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c @@ -25,8 +25,6 @@ unsigned int __nongpreldata pci_probe = 1; -int __nongpreldata pcibios_last_bus = -1; -struct pci_bus *__nongpreldata pci_root_bus; struct pci_ops *__nongpreldata pci_root_ops; /* @@ -221,37 +219,6 @@ static struct pci_ops * __init pci_check_direct(void) } /* - * Discover remaining PCI buses in case there are peer host bridges. - * We use the number of last PCI bus provided by the PCI BIOS. - */ -static void __init pcibios_fixup_peer_bridges(void) -{ - struct pci_bus bus; - struct pci_dev dev; - int n; - u16 l; - - if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff) - return; - printk("PCI: Peer bridge fixup\n"); - for (n=0; n <= pcibios_last_bus; n++) { - if (pci_find_bus(0, n)) - continue; - bus.number = n; - bus.ops = pci_root_ops; - dev.bus = &bus; - for(dev.devfn=0; dev.devfn<256; dev.devfn += 8) - if (!pci_read_config_word(&dev, PCI_VENDOR_ID, &l) && - l != 0x0000 && l != 0xffff) { - printk("Found device at %02x:%02x [%04x]\n", n, dev.devfn, l); - printk("PCI: Discovered peer bus %02x\n", n); - pci_scan_bus(n, pci_root_ops, NULL); - break; - } - } -} - -/* * Exceptions for specific devices. Usually work-arounds for fatal design flaws. */ @@ -268,7 +235,7 @@ static void __init pci_fixup_umc_ide(struct pci_dev *d) d->resource[i].flags |= PCI_BASE_ADDRESS_SPACE_IO; } -static void __init pci_fixup_ide_bases(struct pci_dev *d) +static void pci_fixup_ide_bases(struct pci_dev *d) { int i; @@ -287,7 +254,7 @@ static void __init pci_fixup_ide_bases(struct pci_dev *d) } } -static void __init pci_fixup_ide_trash(struct pci_dev *d) +static void pci_fixup_ide_trash(struct pci_dev *d) { int i; @@ -300,7 +267,7 @@ static void __init pci_fixup_ide_trash(struct pci_dev *d) d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0; } -static void __devinit pci_fixup_latency(struct pci_dev *d) +static void pci_fixup_latency(struct pci_dev *d) { /* * SiS 5597 and 5598 chipsets require latency timer set to @@ -321,24 +288,17 @@ DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases); * are examined. */ -void __init pcibios_fixup_bus(struct pci_bus *bus) +void pcibios_fixup_bus(struct pci_bus *bus) { #if 0 printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number); #endif - if (bus->number == 0) { - bus->resource[0] = &pci_ioport_resource; - bus->resource[1] = &pci_iomem_resource; - } - pci_read_bridge_bases(bus); if (bus->number == 0) { - struct list_head *ln; struct pci_dev *dev; - for (ln=bus->devices.next; ln != &bus->devices; ln=ln->next) { - dev = pci_dev_b(ln); + list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->devfn == 0) { dev->resource[0].start = 0; dev->resource[0].end = 0; @@ -357,6 +317,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) int __init pcibios_init(void) { struct pci_ops *dir = NULL; + LIST_HEAD(resources); if (!mb93090_mb00_detected) return -ENXIO; @@ -420,10 +381,11 @@ int __init pcibios_init(void) } printk("PCI: Probing PCI hardware\n"); - pci_root_bus = pci_scan_bus(0, pci_root_ops, NULL); + pci_add_resource(&resources, &pci_ioport_resource); + pci_add_resource(&resources, &pci_iomem_resource); + pci_scan_root_bus(NULL, 0, pci_root_ops, NULL, &resources); pcibios_irq_init(); - pcibios_fixup_peer_bridges(); pcibios_fixup_irqs(); pcibios_resource_survey(); @@ -437,9 +399,6 @@ char * __init pcibios_setup(char *str) if (!strcmp(str, "off")) { pci_probe = 0; return NULL; - } else if (!strncmp(str, "lastbus=", 8)) { - pcibios_last_bus = simple_strtol(str+8, NULL, 0); - return NULL; } return str; } diff --git a/arch/frv/mm/cache-page.c b/arch/frv/mm/cache-page.c index b24ade27a0f..8e09dae0ec3 100644 --- a/arch/frv/mm/cache-page.c +++ b/arch/frv/mm/cache-page.c @@ -26,11 +26,11 @@ void flush_dcache_page(struct page *page) dampr2 = __get_DAMPR(2); - vaddr = kmap_atomic_primary(page, __KM_CACHE); + vaddr = kmap_atomic_primary(page); frv_dcache_writeback((unsigned long) vaddr, (unsigned long) vaddr + PAGE_SIZE); - kunmap_atomic_primary(vaddr, __KM_CACHE); + kunmap_atomic_primary(vaddr); if (dampr2) { __set_DAMPR(2, dampr2); @@ -54,12 +54,12 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, dampr2 = __get_DAMPR(2); - vaddr = kmap_atomic_primary(page, __KM_CACHE); + vaddr = kmap_atomic_primary(page); start = (start & ~PAGE_MASK) | (unsigned long) vaddr; frv_cache_wback_inv(start, start + len); - kunmap_atomic_primary(vaddr, __KM_CACHE); + kunmap_atomic_primary(vaddr); if (dampr2) { __set_DAMPR(2, dampr2); diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c index 385fd30b142..836f14707a6 100644 --- a/arch/frv/mm/elf-fdpic.c +++ b/arch/frv/mm/elf-fdpic.c @@ -60,7 +60,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi unsigned long pgoff, unsigned long flags) { struct vm_area_struct *vma; - unsigned long limit; + struct vm_unmapped_area_info info; if (len > TASK_SIZE) return -ENOMEM; @@ -79,39 +79,24 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi } /* search between the bottom of user VM and the stack grow area */ - addr = PAGE_SIZE; - limit = (current->mm->start_stack - 0x00200000); - if (addr + len <= limit) { - limit -= len; - - if (addr <= limit) { - vma = find_vma(current->mm, PAGE_SIZE); - for (; vma; vma = vma->vm_next) { - if (addr > limit) - break; - if (addr + len <= vma->vm_start) - goto success; - addr = vma->vm_end; - } - } - } + info.flags = 0; + info.length = len; + info.low_limit = PAGE_SIZE; + info.high_limit = (current->mm->start_stack - 0x00200000); + info.align_mask = 0; + info.align_offset = 0; + addr = vm_unmapped_area(&info); + if (!(addr & ~PAGE_MASK)) + goto success; + VM_BUG_ON(addr != -ENOMEM); /* search from just above the WorkRAM area to the top of memory */ - addr = PAGE_ALIGN(0x80000000); - limit = TASK_SIZE - len; - if (addr <= limit) { - vma = find_vma(current->mm, addr); - for (; vma; vma = vma->vm_next) { - if (addr > limit) - break; - if (addr + len <= vma->vm_start) - goto success; - addr = vma->vm_end; - } - - if (!vma && addr <= limit) - goto success; - } + info.low_limit = PAGE_ALIGN(0x80000000); + info.high_limit = TASK_SIZE; + addr = vm_unmapped_area(&info); + if (!(addr & ~PAGE_MASK)) + goto success; + VM_BUG_ON(addr != -ENOMEM); #if 0 printk("[area] l=%lx (ENOMEM) f='%s'\n", diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c index a325d57a83d..9a66372fc7c 100644 --- a/arch/frv/mm/fault.c +++ b/arch/frv/mm/fault.c @@ -20,7 +20,6 @@ #include <linux/ptrace.h> #include <linux/hardirq.h> -#include <asm/system.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/gdb-stub.h> @@ -35,11 +34,11 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear struct vm_area_struct *vma; struct mm_struct *mm; unsigned long _pme, lrai, lrad, fixup; + unsigned long flags = 0; siginfo_t info; pgd_t *pge; pud_t *pue; pte_t *pte; - int write; int fault; #if 0 @@ -82,6 +81,9 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear if (in_atomic() || !mm) goto no_context; + if (user_mode(__frame)) + flags |= FAULT_FLAG_USER; + down_read(&mm->mmap_sem); vma = find_vma(mm, ear0); @@ -130,7 +132,6 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear */ good_area: info.si_code = SEGV_ACCERR; - write = 0; switch (esr0 & ESR0_ATXC) { default: /* handle write to write protected page */ @@ -141,7 +142,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear #endif if (!(vma->vm_flags & VM_WRITE)) goto bad_area; - write = 1; + flags |= FAULT_FLAG_WRITE; break; /* handle read from protected page */ @@ -163,7 +164,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear * make sure we exit gracefully rather than endlessly redo * the fault. */ - fault = handle_mm_fault(mm, vma, ear0, write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, ear0, flags); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; diff --git a/arch/frv/mm/highmem.c b/arch/frv/mm/highmem.c index fd7fcd4c2e3..bed9a9bd3c1 100644 --- a/arch/frv/mm/highmem.c +++ b/arch/frv/mm/highmem.c @@ -37,7 +37,7 @@ struct page *kmap_atomic_to_page(void *ptr) return virt_to_page(ptr); } -void *__kmap_atomic(struct page *page) +void *kmap_atomic(struct page *page) { unsigned long paddr; int type; @@ -50,11 +50,11 @@ void *__kmap_atomic(struct page *page) /* * The first 4 primary maps are reserved for architecture code */ - case 0: return __kmap_atomic_primary(4, paddr, 6); - case 1: return __kmap_atomic_primary(5, paddr, 7); - case 2: return __kmap_atomic_primary(6, paddr, 8); - case 3: return __kmap_atomic_primary(7, paddr, 9); - case 4: return __kmap_atomic_primary(8, paddr, 10); + case 0: return __kmap_atomic_primary(0, paddr, 6); + case 1: return __kmap_atomic_primary(0, paddr, 7); + case 2: return __kmap_atomic_primary(0, paddr, 8); + case 3: return __kmap_atomic_primary(0, paddr, 9); + case 4: return __kmap_atomic_primary(0, paddr, 10); case 5 ... 5 + NR_TLB_LINES - 1: return __kmap_atomic_secondary(type - 5, paddr); @@ -64,17 +64,17 @@ void *__kmap_atomic(struct page *page) return NULL; } } -EXPORT_SYMBOL(__kmap_atomic); +EXPORT_SYMBOL(kmap_atomic); void __kunmap_atomic(void *kvaddr) { int type = kmap_atomic_idx(); switch (type) { - case 0: __kunmap_atomic_primary(4, 6); break; - case 1: __kunmap_atomic_primary(5, 7); break; - case 2: __kunmap_atomic_primary(6, 8); break; - case 3: __kunmap_atomic_primary(7, 9); break; - case 4: __kunmap_atomic_primary(8, 10); break; + case 0: __kunmap_atomic_primary(0, 6); break; + case 1: __kunmap_atomic_primary(0, 7); break; + case 2: __kunmap_atomic_primary(0, 8); break; + case 3: __kunmap_atomic_primary(0, 9); break; + case 4: __kunmap_atomic_primary(0, 10); break; case 5 ... 5 + NR_TLB_LINES - 1: __kunmap_atomic_secondary(type - 5, kvaddr); diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c index ed64588ac3a..88a15974352 100644 --- a/arch/frv/mm/init.c +++ b/arch/frv/mm/init.c @@ -33,7 +33,6 @@ #include <asm/segment.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/virtconvert.h> #include <asm/sections.h> @@ -41,8 +40,6 @@ #undef DEBUG -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * BAD_PAGE is the page that is used for page faults when linux * is out-of-memory. Older versions of linux just did a @@ -81,7 +78,7 @@ void __init paging_init(void) memset((void *) empty_zero_page, 0, PAGE_SIZE); #ifdef CONFIG_HIGHMEM - if (num_physpages - num_mappedpages) { + if (get_num_physpages() - num_mappedpages) { pgd_t *pge; pud_t *pue; pmd_t *pme; @@ -99,7 +96,7 @@ void __init paging_init(void) */ zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; #ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = num_physpages - num_mappedpages; + zones_size[ZONE_HIGHMEM] = get_num_physpages() - num_mappedpages; #endif free_area_init(zones_size); @@ -117,51 +114,24 @@ void __init paging_init(void) */ void __init mem_init(void) { - unsigned long npages = (memory_end - memory_start) >> PAGE_SHIFT; - unsigned long tmp; -#ifdef CONFIG_MMU - unsigned long loop, pfn; - int datapages = 0; -#endif - int codek = 0, datak = 0; - - /* this will put all memory onto the freelists */ - totalram_pages = free_all_bootmem(); + unsigned long code_size = _etext - _stext; -#ifdef CONFIG_MMU - for (loop = 0 ; loop < npages ; loop++) - if (PageReserved(&mem_map[loop])) - datapages++; - -#ifdef CONFIG_HIGHMEM - for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--) { - struct page *page = &mem_map[pfn]; + /* this will put all low memory onto the freelists */ + free_all_bootmem(); +#if defined(CONFIG_MMU) && defined(CONFIG_HIGHMEM) + { + unsigned long pfn; - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - totalram_pages++; + for (pfn = get_num_physpages() - 1; + pfn >= num_mappedpages; pfn--) + free_highmem_page(&mem_map[pfn]); } #endif - codek = ((unsigned long) &_etext - (unsigned long) &_stext) >> 10; - datak = datapages << (PAGE_SHIFT - 10); - -#else - codek = (_etext - _stext) >> 10; - datak = 0; //(_ebss - _sdata) >> 10; -#endif - - tmp = nr_free_pages() << PAGE_SHIFT; - printk("Memory available: %luKiB/%luKiB RAM, %luKiB/%luKiB ROM (%dKiB kernel code, %dKiB data)\n", - tmp >> 10, - npages << (PAGE_SHIFT - 10), - (rom_length > 0) ? ((rom_length >> 10) - codek) : 0, - rom_length >> 10, - codek, - datak - ); - + mem_init_print_info(NULL); + if (rom_length > 0 && rom_length >= code_size) + printk("Memory available: %luKiB/%luKiB ROM\n", + (rom_length - code_size) >> 10, rom_length >> 10); } /* end mem_init() */ /*****************************************************************************/ @@ -171,21 +141,7 @@ void __init mem_init(void) void free_initmem(void) { #if defined(CONFIG_RAMKERNEL) && !defined(CONFIG_PROTECT_KERNEL) - unsigned long start, end, addr; - - start = PAGE_ALIGN((unsigned long) &__init_begin); /* round up */ - end = ((unsigned long) &__init_end) & PAGE_MASK; /* round down */ - - /* next to check that the page we free is not a partial page */ - for (addr = start; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - - printk("Freeing unused kernel memory: %ldKiB freed (0x%lx - 0x%lx)\n", - (end - start) >> 10, start, end); + free_initmem_default(-1); #endif } /* end free_initmem() */ @@ -196,14 +152,6 @@ void free_initmem(void) #ifdef CONFIG_BLK_DEV_INITRD void __init free_initrd_mem(unsigned long start, unsigned long end) { - int pages = 0; - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - pages++; - } - printk("Freeing initrd memory: %dKiB freed\n", (pages * PAGE_SIZE) >> 10); + free_reserved_area((void *)start, (void *)end, -1, "initrd"); } /* end free_initrd_mem() */ #endif diff --git a/arch/frv/mm/kmap.c b/arch/frv/mm/kmap.c index fb78be38ea0..e9217e605aa 100644 --- a/arch/frv/mm/kmap.c +++ b/arch/frv/mm/kmap.c @@ -21,7 +21,6 @@ #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/io.h> -#include <asm/system.h> #undef DEBUG diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c index c42c83d507b..41907d25ed3 100644 --- a/arch/frv/mm/pgalloc.c +++ b/arch/frv/mm/pgalloc.c @@ -37,11 +37,15 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) #else page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); #endif - if (page) { - clear_highpage(page); - pgtable_page_ctor(page); - flush_dcache_page(page); + if (!page) + return NULL; + + clear_highpage(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; } + flush_dcache_page(page); return page; } @@ -77,7 +81,7 @@ void __set_pmd(pmd_t *pmdptr, unsigned long pmd) * checks at dup_mmap(), exec(), and other mmlist addition points * could be used. The locking scheme was chosen on the basis of * manfred's recommendations and having no core impact whatsoever. - * -- wli + * -- nyc */ DEFINE_SPINLOCK(pgd_lock); struct page *pgd_list; @@ -133,13 +137,7 @@ void pgd_dtor(void *pgd) pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *pgd; - - pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor); - if (!pgd) - return pgd; - - return pgd; + return quicklist_alloc(0, GFP_KERNEL, pgd_ctor); } void pgd_free(struct mm_struct *mm, pgd_t *pgd) |