openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86: copy.S - use GLOBAL,ENDPROC macros 

Impact: cleanup

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2009-02-14 00:50:20 +03:00 committed by Ingo Molnar
parent 1b25f3b4e1
commit 2f79555097
1 changed files with 14 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
arch/x86/boot/copy.S
View File

@ -8,6 +8,8 @@
*
* ----------------------------------------------------------------------- */
#include <linux/linkage.h>
/*
* Memory copy routines
*/
@ -15,9 +17,7 @@
.code16gcc
.text
.globl memcpy
.type memcpy, @function
memcpy:
GLOBAL(memcpy)
pushw %si
pushw %di
movw %ax, %di
@ -31,11 +31,9 @@ memcpy:
popw %di
popw %si
ret
.size memcpy, .-memcpy
ENDPROC(memcpy)
.globl memset
.type memset, @function
memset:
GLOBAL(memset)
pushw %di
movw %ax, %di
movzbl %dl, %eax
@ -48,52 +46,42 @@ memset:
rep; stosb
popw %di
ret
.size memset, .-memset
ENDPROC(memset)
.globl copy_from_fs
.type copy_from_fs, @function
copy_from_fs:
GLOBAL(copy_from_fs)
pushw %ds
pushw %fs
popw %ds
call memcpy
popw %ds
ret
.size copy_from_fs, .-copy_from_fs
ENDPROC(copy_from_fs)
.globl copy_to_fs
.type copy_to_fs, @function
copy_to_fs:
GLOBAL(copy_to_fs)
pushw %es
pushw %fs
popw %es
call memcpy
popw %es
ret
.size copy_to_fs, .-copy_to_fs
ENDPROC(copy_to_fs)
#if 0 /* Not currently used, but can be enabled as needed */
.globl copy_from_gs
.type copy_from_gs, @function
copy_from_gs:
GLOBAL(copy_from_gs)
pushw %ds
pushw %gs
popw %ds
call memcpy
popw %ds
ret
.size copy_from_gs, .-copy_from_gs
.globl copy_to_gs
ENDPROC(copy_from_gs)
.type copy_to_gs, @function
copy_to_gs:
GLOBAL(copy_to_gs)
pushw %es
pushw %gs
popw %es
call memcpy
popw %es
ret
.size copy_to_gs, .-copy_to_gs
ENDPROC(copy_to_gs)
#endif