]> git.proxmox.com Git - mirror_edk2.git/blame - MdePkg/Library/BaseLib/Ia32/DisablePaging32.S
Replace .globl with ASM_GLOBAL
[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / DisablePaging32.S
CommitLineData
e1f414b6 1#------------------------------------------------------------------------------\r
2#\r
1f86b07d 3# Copyright (c) 2006 - 2008, Intel Corporation\r
e1f414b6 4# All rights reserved. This program and the accompanying materials\r
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
7# http://opensource.org/licenses/bsd-license.php\r
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
1f86b07d 14# DisablePaging32.S\r
e1f414b6 15#\r
16# Abstract:\r
17#\r
18# InternalX86DisablePaging32 function\r
19#\r
20# Notes:\r
21#\r
22#------------------------------------------------------------------------------\r
23\r
132f41f0 24ASM_GLOBAL ASM_PFX(InternalX86DisablePaging32)\r
e1f414b6 25\r
26#------------------------------------------------------------------------------\r
27# VOID\r
28# EFIAPI\r
29# InternalX86DisablePaging32 (\r
30# IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r
31# IN VOID *Context1, OPTIONAL\r
32# IN VOID *Context2, OPTIONAL\r
33# IN VOID *NewStack\r
34# );\r
35#------------------------------------------------------------------------------\r
36ASM_PFX(InternalX86DisablePaging32):\r
37 movl 4(%esp), %ebx\r
38 movl 8(%esp), %ecx\r
39 movl 12(%esp), %edx\r
40 pushfl\r
57246fe0 41 pop %edi # save EFLAGS to edi\r
e1f414b6 42 cli\r
43 movl %cr0, %eax\r
44 btrl $31, %eax\r
45 movl 16(%esp), %esp\r
46 movl %eax, %cr0\r
47 push %edi\r
57246fe0 48 popfl # restore EFLAGS from edi\r
e1f414b6 49 push %edx\r
50 push %ecx\r
51 call *%ebx\r
57246fe0 52 jmp . # EntryPoint() should not return\r