1 # 2 # ConvertAsm.py: Automatically generated from SetMem32.asm 3 # 4 #------------------------------------------------------------------------------ 5 # 6 # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> 7 # This program and the accompanying materials 8 # are licensed and made available under the terms and conditions of the BSD License 9 # which accompanies this distribution. The full text of the license may be found at 10 # http://opensource.org/licenses/bsd-license.php. 11 # 12 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 # 15 # Module Name: 16 # 17 # SetMem32.S 18 # 19 # Abstract: 20 # 21 # SetMem32 function 22 # 23 # Notes: 24 # 25 #------------------------------------------------------------------------------ 26 27 28 #------------------------------------------------------------------------------ 29 # VOID * 30 # EFIAPI 31 # InternalMemSetMem32 ( 32 # IN VOID *Buffer, 33 # IN UINTN Count, 34 # IN UINT32 Value 35 # ); 36 #------------------------------------------------------------------------------ 37 ASM_GLOBAL ASM_PFX(InternalMemSetMem32) 38 ASM_PFX(InternalMemSetMem32): 39 movd %r8, %mm0 # mm0 <- Value 40 movq %rcx, %rax # rax <- Buffer 41 xchgq %rdx, %rcx # rcx <- Count rdx <- Buffer 42 shrq $1, % rcx # rcx <- # of qwords to set 43 jz L_SetDwords 44 .byte 0x0f, 0x70, 0x0C0, 0x44 45 L0: 46 movntq %mm0, (%rdx) 47 leaq 8(%rdx), %rdx # use "lea" to avoid flag changes 48 loop L0 49 mfence 50 L_SetDwords: 51 jnc L1 52 movd %mm0, (%rdx) 53 L1: 54 ret 55 56
