]> git.proxmox.com Git - mirror_edk2.git/blame - MdePkg/Library/BaseLib/Ia32/DisablePaging32.c
Removed the usage of an Intel package include.
[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / DisablePaging32.c
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e1f414b6 1/** @file\r
2 AsmDisablePaging32 function.\r
3\r
4 Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15//\r
16// Include common header file for this module.\r
17//\r
18#include "CommonHeader.h"\r
19\r
20__declspec (naked)\r
21VOID\r
22EFIAPI\r
23InternalX86DisablePaging32 (\r
24 IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r
25 IN VOID *Context1, OPTIONAL\r
26 IN VOID *Context2, OPTIONAL\r
27 IN VOID *NewStack\r
28 )\r
29{\r
30 _asm {\r
31 push ebp\r
32 mov ebp, esp\r
33 mov ebx, EntryPoint\r
34 mov ecx, Context1\r
35 mov edx, Context2\r
36 pushfd\r
37 pop edi // save EFLAGS to edi\r
38 cli\r
39 mov eax, cr0\r
40 btr eax, 31\r
41 mov esp, NewStack\r
42 mov cr0, eax\r
43 push edi\r
44 popfd // restore EFLAGS from edi\r
45 push edx\r
46 push ecx\r
47 call ebx\r
48 jmp $ // EntryPoint() should not return\r
49 }\r
50}\r
51\r