#------------------------------------------------------------------------------ # # Copyright (c) 2006, Intel Corporation # All rights reserved. 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: # # SetMem32.asm # # Abstract: # # SetMem32 function # # Notes: # #------------------------------------------------------------------------------ .global _InternalMemSetMem32 #------------------------------------------------------------------------------ # VOID * # EFIAPI # InternalMemSetMem32 ( # IN VOID *Buffer, # IN UINTN Count, # IN UINT32 Value # ); #------------------------------------------------------------------------------ _InternalMemSetMem32: push %edi movl 12(%esp), %edx movl 8(%esp), %edi xorl %ecx, %ecx subl %edi, %ecx andl $15, %ecx # ecx + edi aligns on 16-byte boundary movl 16(%esp), %eax jz L0 shrl $2, %ecx cmpl %edx, %ecx cmova %edx, %ecx subl %ecx, %edx rep stosl L0: movl %edx, %ecx andl $3, %edx shrl $2, %ecx jz @SetDwords movd %eax, %xmm0 pshufd $0, %xmm0, %xmm0 L1: movntdq %xmm0, (%edi) addl $16, %edi loop L1 mfence @SetDwords: movl %edx, %ecx rep stosl movl 8(%esp), %eax pop %edi ret