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1 #
2 # ConvertAsm.py: Automatically generated from SetMem32.asm
3 #
4 #------------------------------------------------------------------------------
5 #
6 # Copyright (c) 2006 - 2018, 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