diff options
| author | Warner Losh <imp@FreeBSD.org> | 2017-03-07 20:53:26 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2017-03-07 20:53:26 +0000 |
| commit | 0499b37cea9ca98acfe36368e521ad36b7783f2d (patch) | |
| tree | 7968fdc8d6edf3e051bbd434a466eca88aacf938 /MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S | |
Notes
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S new file mode 100644 index 000000000000..ee0b659afd97 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S @@ -0,0 +1,50 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php. +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# SetMem.S +# +# Abstract: +# +# SetMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemSetMem) + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT8 Value +# ) +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemSetMem): + push %edi + movl 12(%esp),%ecx + movb 16(%esp),%al + movb %al, %ah + shrd $16, %eax, %edx + shld $16, %edx, %eax + movl %ecx, %edx + movl 8(%esp),%edi + shr $2, %ecx + rep stosl + movl %edx, %ecx + andl $3, %ecx + rep stosb + movl 8(%esp),%eax + pop %edi + ret |