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-rw-r--r--include/asm-x86/atomic_64.h6
-rw-r--r--include/asm-x86/cpufeature.h4
-rw-r--r--include/asm-x86/current.h42
-rw-r--r--include/asm-x86/current_32.h17
-rw-r--r--include/asm-x86/current_64.h27
-rw-r--r--include/asm-x86/fixmap_32.h8
-rw-r--r--include/asm-x86/mmconfig.h12
-rw-r--r--include/asm-x86/nmi.h22
-rw-r--r--include/asm-x86/page.h10
-rw-r--r--include/asm-x86/page_32.h3
-rw-r--r--include/asm-x86/processor-flags.h6
-rw-r--r--include/asm-x86/ptrace.h8
-rw-r--r--include/asm-x86/reboot.h2
-rw-r--r--include/asm-x86/seccomp_32.h1
-rw-r--r--include/asm-x86/string_32.h323
-rw-r--r--include/asm-x86/system.h2
-rw-r--r--include/asm-x86/vm86.h11
17 files changed, 270 insertions, 234 deletions
diff --git a/include/asm-x86/atomic_64.h b/include/asm-x86/atomic_64.h
index 3e0cd7d38335..fe589c153db8 100644
--- a/include/asm-x86/atomic_64.h
+++ b/include/asm-x86/atomic_64.h
@@ -11,12 +11,6 @@
* resource counting etc..
*/
-#ifdef CONFIG_SMP
-#define LOCK "lock ; "
-#else
-#define LOCK ""
-#endif
-
/*
* Make sure gcc doesn't try to be clever and move things around
* on us. We need to use _exactly_ the address the user gave us,
diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h
index 0d609c837a41..78b47e7404eb 100644
--- a/include/asm-x86/cpufeature.h
+++ b/include/asm-x86/cpufeature.h
@@ -142,11 +142,11 @@ extern const char * const x86_power_flags[32];
#define clear_cpu_cap(c, bit) clear_bit(bit, (unsigned long *)((c)->x86_capability))
#define setup_clear_cpu_cap(bit) do { \
clear_cpu_cap(&boot_cpu_data, bit); \
- set_bit(bit, cleared_cpu_caps); \
+ set_bit(bit, (unsigned long *)cleared_cpu_caps); \
} while (0)
#define setup_force_cpu_cap(bit) do { \
set_cpu_cap(&boot_cpu_data, bit); \
- clear_bit(bit, cleared_cpu_caps); \
+ clear_bit(bit, (unsigned long *)cleared_cpu_caps); \
} while (0)
#define cpu_has_fpu boot_cpu_has(X86_FEATURE_FPU)
diff --git a/include/asm-x86/current.h b/include/asm-x86/current.h
index d2526d3f7346..7515c19d4988 100644
--- a/include/asm-x86/current.h
+++ b/include/asm-x86/current.h
@@ -1,5 +1,39 @@
+#ifndef _X86_CURRENT_H
+#define _X86_CURRENT_H
+
#ifdef CONFIG_X86_32
-# include "current_32.h"
-#else
-# include "current_64.h"
-#endif
+#include <linux/compiler.h>
+#include <asm/percpu.h>
+
+struct task_struct;
+
+DECLARE_PER_CPU(struct task_struct *, current_task);
+static __always_inline struct task_struct *get_current(void)
+{
+ return x86_read_percpu(current_task);
+}
+
+#else /* X86_32 */
+
+#ifndef __ASSEMBLY__
+#include <asm/pda.h>
+
+struct task_struct;
+
+static __always_inline struct task_struct *get_current(void)
+{
+ return read_pda(pcurrent);
+}
+
+#else /* __ASSEMBLY__ */
+
+#include <asm/asm-offsets.h>
+#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* X86_32 */
+
+#define current get_current()
+
+#endif /* X86_CURRENT_H */
diff --git a/include/asm-x86/current_32.h b/include/asm-x86/current_32.h
deleted file mode 100644
index 5af9bdb97a16..000000000000
--- a/include/asm-x86/current_32.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _I386_CURRENT_H
-#define _I386_CURRENT_H
-
-#include <linux/compiler.h>
-#include <asm/percpu.h>
-
-struct task_struct;
-
-DECLARE_PER_CPU(struct task_struct *, current_task);
-static __always_inline struct task_struct *get_current(void)
-{
- return x86_read_percpu(current_task);
-}
-
-#define current get_current()
-
-#endif /* !(_I386_CURRENT_H) */
diff --git a/include/asm-x86/current_64.h b/include/asm-x86/current_64.h
deleted file mode 100644
index 2d368ede2fc1..000000000000
--- a/include/asm-x86/current_64.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef _X86_64_CURRENT_H
-#define _X86_64_CURRENT_H
-
-#if !defined(__ASSEMBLY__)
-struct task_struct;
-
-#include <asm/pda.h>
-
-static inline struct task_struct *get_current(void)
-{
- struct task_struct *t = read_pda(pcurrent);
- return t;
-}
-
-#define current get_current()
-
-#else
-
-#ifndef ASM_OFFSET_H
-#include <asm/asm-offsets.h>
-#endif
-
-#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg
-
-#endif
-
-#endif /* !(_X86_64_CURRENT_H) */
diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h
index 4b96148e90c1..f0df7ee96816 100644
--- a/include/asm-x86/fixmap_32.h
+++ b/include/asm-x86/fixmap_32.h
@@ -79,10 +79,6 @@ enum fixed_addresses {
FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
#endif
-#ifdef CONFIG_ACPI
- FIX_ACPI_BEGIN,
- FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1,
-#endif
#ifdef CONFIG_PCI_MMCONFIG
FIX_PCIE_MCFG,
#endif
@@ -103,6 +99,10 @@ enum fixed_addresses {
(__end_of_permanent_fixed_addresses & 511),
FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_NESTING - 1,
FIX_WP_TEST,
+#ifdef CONFIG_ACPI
+ FIX_ACPI_BEGIN,
+ FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1,
+#endif
#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
FIX_OHCI1394_BASE,
#endif
diff --git a/include/asm-x86/mmconfig.h b/include/asm-x86/mmconfig.h
new file mode 100644
index 000000000000..95beda07c6fa
--- /dev/null
+++ b/include/asm-x86/mmconfig.h
@@ -0,0 +1,12 @@
+#ifndef _ASM_MMCONFIG_H
+#define _ASM_MMCONFIG_H
+
+#ifdef CONFIG_PCI_MMCONFIG
+extern void __cpuinit fam10h_check_enable_mmcfg(void);
+extern void __init check_enable_amd_mmconf_dmi(void);
+#else
+static inline void fam10h_check_enable_mmcfg(void) { }
+static inline void check_enable_amd_mmconf_dmi(void) { }
+#endif
+
+#endif
diff --git a/include/asm-x86/nmi.h b/include/asm-x86/nmi.h
index 1e363021e72f..621bd090c1fb 100644
--- a/include/asm-x86/nmi.h
+++ b/include/asm-x86/nmi.h
@@ -15,27 +15,6 @@
*/
int do_nmi_callback(struct pt_regs *regs, int cpu);
-#ifdef CONFIG_PM
-
-/** Replace the PM callback routine for NMI. */
-struct pm_dev *set_nmi_pm_callback(pm_callback callback);
-
-/** Unset the PM callback routine back to the default. */
-void unset_nmi_pm_callback(struct pm_dev *dev);
-
-#else
-
-static inline struct pm_dev *set_nmi_pm_callback(pm_callback callback)
-{
- return 0;
-}
-
-static inline void unset_nmi_pm_callback(struct pm_dev *dev)
-{
-}
-
-#endif /* CONFIG_PM */
-
#ifdef CONFIG_X86_64
extern void default_do_nmi(struct pt_regs *);
extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
@@ -46,7 +25,6 @@ extern void nmi_watchdog_default(void);
extern int check_nmi_watchdog(void);
extern int nmi_watchdog_enabled;
-extern int unknown_nmi_panic;
extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
extern int avail_to_resrv_perfctr_nmi(unsigned int);
extern int reserve_perfctr_nmi(unsigned int);
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index dc936dddf161..ed165097520f 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -51,8 +51,15 @@
#ifndef __ASSEMBLY__
+typedef struct { pgdval_t pgd; } pgd_t;
+typedef struct { pgprotval_t pgprot; } pgprot_t;
+
extern int page_is_ram(unsigned long pagenr);
extern int devmem_is_allowed(unsigned long pagenr);
+extern void map_devmem(unsigned long pfn, unsigned long size,
+ pgprot_t vma_prot);
+extern void unmap_devmem(unsigned long pfn, unsigned long size,
+ pgprot_t vma_prot);
extern unsigned long max_pfn_mapped;
@@ -74,9 +81,6 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
-typedef struct { pgdval_t pgd; } pgd_t;
-typedef struct { pgprotval_t pgprot; } pgprot_t;
-
static inline pgd_t native_make_pgd(pgdval_t val)
{
return (pgd_t) { val };
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index 424e82f8ae27..ccf0ba3c3aba 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -14,7 +14,8 @@
#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL)
#ifdef CONFIG_X86_PAE
-#define __PHYSICAL_MASK_SHIFT 36
+/* 44=32+12, the limit we can fit into an unsigned long pfn */
+#define __PHYSICAL_MASK_SHIFT 44
#define __VIRTUAL_MASK_SHIFT 32
#define PAGETABLE_LEVELS 3
diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h
index 199cab107d85..092b39b3a7e6 100644
--- a/include/asm-x86/processor-flags.h
+++ b/include/asm-x86/processor-flags.h
@@ -88,4 +88,10 @@
#define CX86_ARR_BASE 0xc4
#define CX86_RCR_BASE 0xdc
+#ifdef CONFIG_VM86
+#define X86_VM_MASK X86_EFLAGS_VM
+#else
+#define X86_VM_MASK 0 /* No VM86 support */
+#endif
+
#endif /* __ASM_I386_PROCESSOR_FLAGS_H */
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index 9f922b0b95d6..8a71db803da6 100644
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -3,7 +3,12 @@
#include <linux/compiler.h> /* For __user */
#include <asm/ptrace-abi.h>
+#include <asm/processor-flags.h>
+#ifdef __KERNEL__
+#include <asm/ds.h> /* the DS BTS struct is used for ptrace too */
+#include <asm/segment.h>
+#endif
#ifndef __ASSEMBLY__
@@ -55,9 +60,6 @@ struct pt_regs {
unsigned long ss;
};
-#include <asm/vm86.h>
-#include <asm/segment.h>
-
#endif /* __KERNEL__ */
#else /* __i386__ */
diff --git a/include/asm-x86/reboot.h b/include/asm-x86/reboot.h
index e63741f19392..206f355786dc 100644
--- a/include/asm-x86/reboot.h
+++ b/include/asm-x86/reboot.h
@@ -14,8 +14,8 @@ struct machine_ops {
extern struct machine_ops machine_ops;
-void machine_real_restart(unsigned char *code, int length);
void native_machine_crash_shutdown(struct pt_regs *regs);
void native_machine_shutdown(void);
+void machine_real_restart(const unsigned char *code, int length);
#endif /* _ASM_REBOOT_H */
diff --git a/include/asm-x86/seccomp_32.h b/include/asm-x86/seccomp_32.h
index 18da19e89bff..36e71c5f306f 100644
--- a/include/asm-x86/seccomp_32.h
+++ b/include/asm-x86/seccomp_32.h
@@ -1,4 +1,5 @@
#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
#include <linux/thread_info.h>
diff --git a/include/asm-x86/string_32.h b/include/asm-x86/string_32.h
index b49369ad9a61..193578cd1fd9 100644
--- a/include/asm-x86/string_32.h
+++ b/include/asm-x86/string_32.h
@@ -29,81 +29,116 @@ extern char *strchr(const char *s, int c);
#define __HAVE_ARCH_STRLEN
extern size_t strlen(const char *s);
-static __always_inline void * __memcpy(void * to, const void * from, size_t n)
+static __always_inline void *__memcpy(void *to, const void *from, size_t n)
{
-int d0, d1, d2;
-__asm__ __volatile__(
- "rep ; movsl\n\t"
- "movl %4,%%ecx\n\t"
- "andl $3,%%ecx\n\t"
- "jz 1f\n\t"
- "rep ; movsb\n\t"
- "1:"
- : "=&c" (d0), "=&D" (d1), "=&S" (d2)
- : "0" (n/4), "g" (n), "1" ((long) to), "2" ((long) from)
- : "memory");
-return (to);
+ int d0, d1, d2;
+ asm volatile("rep ; movsl\n\t"
+ "movl %4,%%ecx\n\t"
+ "andl $3,%%ecx\n\t"
+ "jz 1f\n\t"
+ "rep ; movsb\n\t"
+ "1:"
+ : "=&c" (d0), "=&D" (d1), "=&S" (d2)
+ : "0" (n / 4), "g" (n), "1" ((long)to), "2" ((long)from)
+ : "memory");
+ return to;
}
/*
* This looks ugly, but the compiler can optimize it totally,
* as the count is constant.
*/
-static __always_inline void * __constant_memcpy(void * to, const void * from, size_t n)
+static __always_inline void *__constant_memcpy(void *to, const void *from,
+ size_t n)
{
long esi, edi;
- if (!n) return to;
-#if 1 /* want to do small copies with non-string ops? */
+ if (!n)
+ return to;
+
switch (n) {
- case 1: *(char*)to = *(char*)from; return to;
- case 2: *(short*)to = *(short*)from; return to;
- case 4: *(int*)to = *(int*)from; return to;
-#if 1 /* including those doable with two moves? */
- case 3: *(short*)to = *(short*)from;
- *((char*)to+2) = *((char*)from+2); return to;
- case 5: *(int*)to = *(int*)from;
- *((char*)to+4) = *((char*)from+4); return to;
- case 6: *(int*)to = *(int*)from;
- *((short*)to+2) = *((short*)from+2); return to;
- case 8: *(int*)to = *(int*)from;
- *((int*)to+1) = *((int*)from+1); return to;
-#endif
+ case 1:
+ *(char *)to = *(char *)from;
+ return to;
+ case 2:
+ *(short *)to = *(short *)from;
+ return to;
+ case 4:
+ *(int *)to = *(int *)from;
+ return to;
+
+ case 3:
+ *(short *)to = *(short *)from;
+ *((char *)to + 2) = *((char *)from + 2);
+ return to;
+ case 5:
+ *(int *)to = *(int *)from;
+ *((char *)to + 4) = *((char *)from + 4);
+ return to;
+ case 6:
+ *(int *)to = *(int *)from;
+ *((short *)to + 2) = *((short *)from + 2);
+ return to;
+ case 8:
+ *(int *)to = *(int *)from;
+ *((int *)to + 1) = *((int *)from + 1);
+ return to;
}
-#endif
- esi = (long) from;
- edi = (long) to;
- if (n >= 5*4) {
+
+ esi = (long)from;
+ edi = (long)to;
+ if (n >= 5 * 4) {
/* large block: use rep prefix */
int ecx;
- __asm__ __volatile__(
- "rep ; movsl"
- : "=&c" (ecx), "=&D" (edi), "=&S" (esi)
- : "0" (n/4), "1" (edi),"2" (esi)
- : "memory"
+ asm volatile("rep ; movsl"
+ : "=&c" (ecx), "=&D" (edi), "=&S" (esi)
+ : "0" (n / 4), "1" (edi), "2" (esi)
+ : "memory"
);
} else {
/* small block: don't clobber ecx + smaller code */
- if (n >= 4*4) __asm__ __volatile__("movsl"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
- if (n >= 3*4) __asm__ __volatile__("movsl"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
- if (n >= 2*4) __asm__ __volatile__("movsl"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
- if (n >= 1*4) __asm__ __volatile__("movsl"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ if (n >= 4 * 4)
+ asm volatile("movsl"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
+ if (n >= 3 * 4)
+ asm volatile("movsl"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
+ if (n >= 2 * 4)
+ asm volatile("movsl"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
+ if (n >= 1 * 4)
+ asm volatile("movsl"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
}
switch (n % 4) {
/* tail */
- case 0: return to;
- case 1: __asm__ __volatile__("movsb"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
- return to;
- case 2: __asm__ __volatile__("movsw"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
- return to;
- default: __asm__ __volatile__("movsw\n\tmovsb"
- :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
- return to;
+ case 0:
+ return to;
+ case 1:
+ asm volatile("movsb"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
+ return to;
+ case 2:
+ asm volatile("movsw"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
+ return to;
+ default:
+ asm volatile("movsw\n\tmovsb"
+ : "=&D"(edi), "=&S"(esi)
+ : "0"(edi), "1"(esi)
+ : "memory");
+ return to;
}
}
@@ -117,87 +152,86 @@ static __always_inline void * __constant_memcpy(void * to, const void * from, si
* This CPU favours 3DNow strongly (eg AMD Athlon)
*/
-static inline void * __constant_memcpy3d(void * to, const void * from, size_t len)
+static inline void *__constant_memcpy3d(void *to, const void *from, size_t len)
{
if (len < 512)
return __constant_memcpy(to, from, len);
return _mmx_memcpy(to, from, len);
}
-static __inline__ void *__memcpy3d(void *to, const void *from, size_t len)
+static inline void *__memcpy3d(void *to, const void *from, size_t len)
{
if (len < 512)
return __memcpy(to, from, len);
return _mmx_memcpy(to, from, len);
}
-#define memcpy(t, f, n) \
-(__builtin_constant_p(n) ? \
- __constant_memcpy3d((t),(f),(n)) : \
- __memcpy3d((t),(f),(n)))
+#define memcpy(t, f, n) \
+ (__builtin_constant_p((n)) \
+ ? __constant_memcpy3d((t), (f), (n)) \
+ : __memcpy3d((t), (f), (n)))
#else
/*
* No 3D Now!
*/
-
-#define memcpy(t, f, n) \
-(__builtin_constant_p(n) ? \
- __constant_memcpy((t),(f),(n)) : \
- __memcpy((t),(f),(n)))
+
+#define memcpy(t, f, n) \
+ (__builtin_constant_p((n)) \
+ ? __constant_memcpy((t), (f), (n)) \
+ : __memcpy((t), (f), (n)))
#endif
#define __HAVE_ARCH_MEMMOVE
-void *memmove(void * dest,const void * src, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
#define memcmp __builtin_memcmp
#define __HAVE_ARCH_MEMCHR
-extern void *memchr(const void * cs,int c,size_t count);
+extern void *memchr(const void *cs, int c, size_t count);
-static inline void * __memset_generic(void * s, char c,size_t count)
+static inline void *__memset_generic(void *s, char c, size_t count)
{
-int d0, d1;
-__asm__ __volatile__(
- "rep\n\t"
- "stosb"
- : "=&c" (d0), "=&D" (d1)
- :"a" (c),"1" (s),"0" (count)
- :"memory");
-return s;
+ int d0, d1;
+ asm volatile("rep\n\t"
+ "stosb"
+ : "=&c" (d0), "=&D" (d1)
+ : "a" (c), "1" (s), "0" (count)
+ : "memory");
+ return s;
}
/* we might want to write optimized versions of these later */
-#define __constant_count_memset(s,c,count) __memset_generic((s),(c),(count))
+#define __constant_count_memset(s, c, count) __memset_generic((s), (c), (count))
/*
- * memset(x,0,y) is a reasonably common thing to do, so we want to fill
+ * memset(x, 0, y) is a reasonably common thing to do, so we want to fill
* things 32 bits at a time even when we don't know the size of the
* area at compile-time..
*/
-static __always_inline void * __constant_c_memset(void * s, unsigned long c, size_t count)
+static __always_inline
+void *__constant_c_memset(void *s, unsigned long c, size_t count)
{
-int d0, d1;
-__asm__ __volatile__(
- "rep ; stosl\n\t"
- "testb $2,%b3\n\t"
- "je 1f\n\t"
- "stosw\n"
- "1:\ttestb $1,%b3\n\t"
- "je 2f\n\t"
- "stosb\n"
- "2:"
- :"=&c" (d0), "=&D" (d1)
- :"a" (c), "q" (count), "0" (count/4), "1" ((long) s)
- :"memory");
-return (s);
+ int d0, d1;
+ asm volatile("rep ; stosl\n\t"
+ "testb $2,%b3\n\t"
+ "je 1f\n\t"
+ "stosw\n"
+ "1:\ttestb $1,%b3\n\t"
+ "je 2f\n\t"
+ "stosb\n"
+ "2:"
+ : "=&c" (d0), "=&D" (d1)
+ : "a" (c), "q" (count), "0" (count/4), "1" ((long)s)
+ : "memory");
+ return s;
}
/* Added by Gertjan van Wingerde to make minix and sysv module work */
#define __HAVE_ARCH_STRNLEN
-extern size_t strnlen(const char * s, size_t count);
+extern size_t strnlen(const char *s, size_t count);
/* end of additional stuff */
#define __HAVE_ARCH_STRSTR
@@ -207,66 +241,85 @@ extern char *strstr(const char *cs, const char *ct);
* This looks horribly ugly, but the compiler can optimize it totally,
* as we by now know that both pattern and count is constant..
*/
-static __always_inline void * __constant_c_and_count_memset(void * s, unsigned long pattern, size_t count)
+static __always_inline
+void *__constant_c_and_count_memset(void *s, unsigned long pattern,
+ size_t count)
{
switch (count) {
+ case 0:
+ return s;
+ case 1:
+ *(unsigned char *)s = pattern & 0xff;
+ return s;
+ case 2:
+ *(unsigned short *)s = pattern & 0xffff;
+ return s;
+ case 3:
+ *(unsigned short *)s = pattern & 0xffff;
+ *((unsigned char *)s + 2) = pattern & 0xff;
+ return s;
+ case 4:
+ *(unsigned long *)s = pattern;
+ return s;
+ }
+
+#define COMMON(x) \
+ asm volatile("rep ; stosl" \
+ x \
+ : "=&c" (d0), "=&D" (d1) \
+ : "a" (eax), "0" (count/4), "1" ((long)s) \
+ : "memory")
+
+ {
+ int d0, d1;
+#if __GNUC__ == 4 && __GNUC_MINOR__ == 0
+ /* Workaround for broken gcc 4.0 */
+ register unsigned long eax asm("%eax") = pattern;
+#else
+ unsigned long eax = pattern;
+#endif
+
+ switch (count % 4) {
case 0:
+ COMMON("");
return s;
case 1:
- *(unsigned char *)s = pattern & 0xff;
+ COMMON("\n\tstosb");
return s;
case 2:
- *(unsigned short *)s = pattern & 0xffff;
+ COMMON("\n\tstosw");
return s;
- case 3:
- *(unsigned short *)s = pattern & 0xffff;
- *(2+(unsigned char *)s) = pattern & 0xff;
- return s;
- case 4:
- *(unsigned long *)s = pattern;
+ default:
+ COMMON("\n\tstosw\n\tstosb");
return s;
+ }
}
-#define COMMON(x) \
-__asm__ __volatile__( \
- "rep ; stosl" \
- x \
- : "=&c" (d0), "=&D" (d1) \
- : "a" (pattern),"0" (count/4),"1" ((long) s) \
- : "memory")
-{
- int d0, d1;
- switch (count % 4) {
- case 0: COMMON(""); return s;
- case 1: COMMON("\n\tstosb"); return s;
- case 2: COMMON("\n\tstosw"); return s;
- default: COMMON("\n\tstosw\n\tstosb"); return s;
- }
-}
-
+
#undef COMMON
}
-#define __constant_c_x_memset(s, c, count) \
-(__builtin_constant_p(count) ? \
- __constant_c_and_count_memset((s),(c),(count)) : \
- __constant_c_memset((s),(c),(count)))
+#define __constant_c_x_memset(s, c, count) \
+ (__builtin_constant_p(count) \
+ ? __constant_c_and_count_memset((s), (c), (count)) \
+ : __constant_c_memset((s), (c), (count)))
-#define __memset(s, c, count) \
-(__builtin_constant_p(count) ? \
- __constant_count_memset((s),(c),(count)) : \
- __memset_generic((s),(c),(count)))
+#define __memset(s, c, count) \
+ (__builtin_constant_p(count) \
+ ? __constant_count_memset((s), (c), (count)) \
+ : __memset_generic((s), (c), (count)))
#define __HAVE_ARCH_MEMSET
-#define memset(s, c, count) \
-(__builtin_constant_p(c) ? \
- __constant_c_x_memset((s),(0x01010101UL*(unsigned char)(c)),(count)) : \
- __memset((s),(c),(count)))
+#define memset(s, c, count) \
+ (__builtin_constant_p(c) \
+ ? __constant_c_x_memset((s), (0x01010101UL * (unsigned char)(c)), \
+ (count)) \
+ : __memset((s), (c), (count)))
/*
* find the first occurrence of byte 'c', or 1 past the area if none
*/
#define __HAVE_ARCH_MEMSCAN
-extern void *memscan(void * addr, int c, size_t size);
+extern void *memscan(void *addr, int c, size_t size);
#endif /* __KERNEL__ */
diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h
index a2f04cd79b29..7e4c133795a1 100644
--- a/include/asm-x86/system.h
+++ b/include/asm-x86/system.h
@@ -289,7 +289,7 @@ static inline void native_wbinvd(void)
#endif/* CONFIG_PARAVIRT */
-#define stts() write_cr0(8 | read_cr0())
+#define stts() write_cr0(read_cr0() | X86_CR0_TS)
#endif /* __KERNEL__ */
diff --git a/include/asm-x86/vm86.h b/include/asm-x86/vm86.h
index 074b357146df..5ce351325e01 100644
--- a/include/asm-x86/vm86.h
+++ b/include/asm-x86/vm86.h
@@ -14,12 +14,6 @@
#include <asm/processor-flags.h>
-#ifdef CONFIG_VM86
-#define X86_VM_MASK X86_EFLAGS_VM
-#else
-#define X86_VM_MASK 0 /* No VM86 support */
-#endif
-
#define BIOSSEG 0x0f000
#define CPU_086 0
@@ -121,7 +115,6 @@ struct vm86plus_info_struct {
unsigned long is_vm86pus:1; /* for vm86 internal use */
unsigned char vm86dbg_intxxtab[32]; /* for debugger */
};
-
struct vm86plus_struct {
struct vm86_regs regs;
unsigned long flags;
@@ -133,6 +126,9 @@ struct vm86plus_struct {
};
#ifdef __KERNEL__
+
+#include <asm/ptrace.h>
+
/*
* This is the (kernel) stack-layout when we have done a "SAVE_ALL" from vm86
* mode - the main change is that the old segment descriptors aren't
@@ -141,7 +137,6 @@ struct vm86plus_struct {
* at the end of the structure. Look at ptrace.h to see the "normal"
* setup. For user space layout see 'struct vm86_regs' above.
*/
-#include <asm/ptrace.h>
struct kernel_vm86_regs {
/*
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-24 20:47:35 +0000