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MdePkg/BaseLib: Support IA32 processors without CLFLUSH
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e1f414b6 1;------------------------------------------------------------------------------\r
2;\r
bb817c56
HT
3; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
4; This program and the accompanying materials\r
e1f414b6 5; are licensed and made available under the terms and conditions of the BSD License\r
6; which accompanies this distribution. The full text of the license may be found at\r
e4a34497 7; http://opensource.org/licenses/bsd-license.php.\r
e1f414b6 8;\r
9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
11;\r
12; Module Name:\r
13;\r
14; LongJump.Asm\r
15;\r
16; Abstract:\r
17;\r
18; Implementation of _LongJump() on IA-32.\r
19;\r
20;------------------------------------------------------------------------------\r
21\r
22 .386\r
23 .model flat,C\r
24 .code\r
25\r
26;------------------------------------------------------------------------------\r
27; VOID\r
28; EFIAPI\r
29; InternalLongJump (\r
30; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r
31; IN UINTN Value\r
32; );\r
33;------------------------------------------------------------------------------\r
34InternalLongJump PROC\r
35 pop eax ; skip return address\r
36 pop edx ; edx <- JumpBuffer\r
37 pop eax ; eax <- Value\r
38 mov ebx, [edx]\r
39 mov esi, [edx + 4]\r
40 mov edi, [edx + 8]\r
41 mov ebp, [edx + 12]\r
42 mov esp, [edx + 16]\r
43 jmp dword ptr [edx + 20] ; restore "eip"\r
44InternalLongJump ENDP\r
45\r
46 END\r