1 #------------------------------------------------------------------------------ 2 # 3 # Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 4 # This program and the accompanying materials 5 # are licensed and made available under the terms and conditions of the BSD License 6 # which accompanies this distribution. The full text of the license may be found at 7 # http://opensource.org/licenses/bsd-license.php. 8 # 9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 # 12 # Module Name: 13 # 14 # ZeroMem.S 15 # 16 # Abstract: 17 # 18 # ZeroMem function 19 # 20 # Notes: 21 # 22 #------------------------------------------------------------------------------ 23 24 ASM_GLOBAL ASM_PFX(InternalMemZeroMem) 25 26 #------------------------------------------------------------------------------ 27 # VOID * 28 # InternalMemZeroMem ( 29 # IN VOID *Buffer, 30 # IN UINTN Count 31 # ); 32 #------------------------------------------------------------------------------ 33 ASM_PFX(InternalMemZeroMem): 34 push %edi 35 xorl %eax,%eax 36 movl 8(%esp),%edi 37 movl 12(%esp),%ecx 38 movl %ecx,%edx 39 shrl $2,%ecx 40 andl $3,%edx 41 pushl %edi 42 rep 43 stosl 44 movl %edx,%ecx 45 rep 46 stosb 47 popl %eax 48 pop %edi 49 ret 50
