| #------------------------------------------------------------------------------ | |
| # | |
| # Copyright (c) 2006, 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.asm | |
| # | |
| # 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 | |
| movb 16(%esp), %al | |
| movb %al, %ah | |
| shrdl $16, %eax, %edx | |
| shldl $16, %edx, %eax | |
| movl 12(%esp), %ecx # ecx <- Count | |
| movl 8(%esp), %edi # edi <- Buffer | |
| movl %ecx, %edx | |
| andl $7, %edx | |
| shrl $3, %ecx # # of Qwords to set | |
| jz L1 | |
| addl $-16, %esp | |
| movq %mm0, (%esp) # save mm0 | |
| movq %mm1, 8(%esp) # save mm1 | |
| movd %eax, %mm0 | |
| movd %eax, %mm1 | |
| psllq $32, %mm0 | |
| por %mm1, %mm0 # fill mm0 with 8 Value's | |
| L0: | |
| movq %mm0, (%edi) | |
| addl $8, %edi | |
| loop L0 | |
| movq (%esp), %mm0 # restore mm0 | |
| movq 8(%esp), %mm1 # restore mm1 | |
| addl $0x10, %esp # stack cleanup | |
| L1: | |
| movl %edx, %ecx | |
| rep | |
| stosb | |
| movl 8(%esp), %eax # eax <- Buffer as return value | |
| pop %edi | |
| ret |