diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-05 14:55:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-05 14:55:20 -0700 |
| commit | ea62ccd00fd0b6720b033adfc9984f31130ce195 (patch) | |
| tree | 9837b797b2466fffcb0af96c388b06eae9c3df18 /arch/i386/lib/checksum.S | |
| parent | 886a0768affe9a32f18c45f8e1393bca9ece5392 (diff) | |
| parent | 35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff) | |
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits)
[PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall
[PATCH] i386: type may be unused
[PATCH] i386: Some additional chipset register values validation.
[PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split.
[PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff
[PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu
[PATCH] i386: white space fixes in i387.h
[PATCH] i386: Drop noisy e820 debugging printks
[PATCH] x86-64: Fix allnoconfig error in genapic_flat.c
[PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems
[PATCH] x86-64: Share identical video.S between i386 and x86-64
[PATCH] x86-64: Remove CONFIG_REORDER
[PATCH] x86-64: Print type and size correctly for unknown compat ioctls
[PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0)
[PATCH] i386: Little cleanups in smpboot.c
[PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning
[PATCH] x86: Use RDTSCP for synchronous get_cycles if possible
[PATCH] i386: Add X86_FEATURE_RDTSCP
[PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386
[PATCH] i386: Implement alternative_io for i386
...
Fix up trivial conflict in include/linux/highmem.h manually.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386/lib/checksum.S')
| -rw-r--r-- | arch/i386/lib/checksum.S | 69 |
1 files changed, 60 insertions, 9 deletions
diff --git a/arch/i386/lib/checksum.S b/arch/i386/lib/checksum.S index 75ffd02654f..adbccd0bbb7 100644 --- a/arch/i386/lib/checksum.S +++ b/arch/i386/lib/checksum.S @@ -25,6 +25,8 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/linkage.h> +#include <asm/dwarf2.h> #include <asm/errno.h> /* @@ -36,8 +38,6 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) */ .text -.align 4 -.globl csum_partial #ifndef CONFIG_X86_USE_PPRO_CHECKSUM @@ -48,9 +48,14 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) * Fortunately, it is easy to convert 2-byte alignment to 4-byte * alignment for the unrolled loop. */ -csum_partial: +ENTRY(csum_partial) + CFI_STARTPROC pushl %esi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET esi, 0 pushl %ebx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ebx, 0 movl 20(%esp),%eax # Function arg: unsigned int sum movl 16(%esp),%ecx # Function arg: int len movl 12(%esp),%esi # Function arg: unsigned char *buff @@ -128,16 +133,27 @@ csum_partial: roll $8, %eax 8: popl %ebx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ebx popl %esi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE esi ret + CFI_ENDPROC +ENDPROC(csum_partial) #else /* Version for PentiumII/PPro */ -csum_partial: +ENTRY(csum_partial) + CFI_STARTPROC pushl %esi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET esi, 0 pushl %ebx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ebx, 0 movl 20(%esp),%eax # Function arg: unsigned int sum movl 16(%esp),%ecx # Function arg: int len movl 12(%esp),%esi # Function arg: const unsigned char *buf @@ -245,8 +261,14 @@ csum_partial: roll $8, %eax 90: popl %ebx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ebx popl %esi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE esi ret + CFI_ENDPROC +ENDPROC(csum_partial) #endif @@ -278,19 +300,24 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, .long 9999b, 6002f ; \ .previous -.align 4 -.globl csum_partial_copy_generic - #ifndef CONFIG_X86_USE_PPRO_CHECKSUM #define ARGBASE 16 #define FP 12 -csum_partial_copy_generic: +ENTRY(csum_partial_copy_generic) + CFI_STARTPROC subl $4,%esp + CFI_ADJUST_CFA_OFFSET 4 pushl %edi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edi, 0 pushl %esi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET esi, 0 pushl %ebx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ebx, 0 movl ARGBASE+16(%esp),%eax # sum movl ARGBASE+12(%esp),%ecx # len movl ARGBASE+4(%esp),%esi # src @@ -400,10 +427,19 @@ DST( movb %cl, (%edi) ) .previous popl %ebx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ebx popl %esi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE esi popl %edi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE edi popl %ecx # equivalent to addl $4,%esp + CFI_ADJUST_CFA_OFFSET -4 ret + CFI_ENDPROC +ENDPROC(csum_partial_copy_generic) #else @@ -421,10 +457,17 @@ DST( movb %cl, (%edi) ) #define ARGBASE 12 -csum_partial_copy_generic: +ENTRY(csum_partial_copy_generic) + CFI_STARTPROC pushl %ebx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ebx, 0 pushl %edi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edi, 0 pushl %esi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET esi, 0 movl ARGBASE+4(%esp),%esi #src movl ARGBASE+8(%esp),%edi #dst movl ARGBASE+12(%esp),%ecx #len @@ -485,9 +528,17 @@ DST( movb %dl, (%edi) ) .previous popl %esi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE esi popl %edi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE edi popl %ebx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ebx ret + CFI_ENDPROC +ENDPROC(csum_partial_copy_generic) #undef ROUND #undef ROUND1 |