diff options
author | Liming Gao <liming.gao@intel.com> | 2016-06-12 16:13:28 +0800 |
---|---|---|
committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:51:52 +0800 |
commit | 7e08bace8c18fd73d6aa4e753999d236086d191f (patch) | |
tree | 719e2beda08a7ad3e6b8ba4fe25e24c6c4b9f369 /MdePkg/Library/BaseLib/Ia32 | |
parent | ce61e2a5a720cd28296e329cd86e4fef676ca411 (diff) | |
download | edk2-platforms-7e08bace8c18fd73d6aa4e753999d236086d191f.tar.xz |
MdePkg BaseLib: Convert Ia32/DisablePaging32.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/DisablePaging32.asm to Ia32/DisablePaging32.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm new file mode 100644 index 0000000000..2970f6ccbd --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm @@ -0,0 +1,54 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; DisablePaging32.Asm
+;
+; Abstract:
+;
+; AsmDisablePaging32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; InternalX86DisablePaging32 (
+; IN SWITCH_STACK_ENTRY_POINT EntryPoint,
+; IN VOID *Context1, OPTIONAL
+; IN VOID *Context2, OPTIONAL
+; IN VOID *NewStack
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalX86DisablePaging32)
+ASM_PFX(InternalX86DisablePaging32):
+ mov ebx, [esp + 4]
+ mov ecx, [esp + 8]
+ mov edx, [esp + 12]
+ pushfd
+ pop edi ; save EFLAGS to edi
+ cli
+ mov eax, cr0
+ btr eax, 31
+ mov esp, [esp + 16]
+ mov cr0, eax
+ push edi
+ popfd ; restore EFLAGS from edi
+ push edx
+ push ecx
+ call ebx
+ jmp $ ; EntryPoint() should not return
+
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