diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/EnablePaging32.asm')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/EnablePaging32.asm | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/EnablePaging32.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/EnablePaging32.asm new file mode 100644 index 0000000..16d4ae1 --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/EnablePaging32.asm @@ -0,0 +1,55 @@ +; Copyright (c) 2004, Intel Corporation +; All rights reserved. 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: +; +; EnablePaging32.Asm +; +; Abstract: +; +; AsmEnablePaging32 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID +; EFIAPI +; InternalX86EnablePaging32 ( +; IN SWITCH_STACK_ENTRY_POINT EntryPoint, +; IN VOID *Context1, OPTIONAL +; IN VOID *Context2, OPTIONAL +; IN VOID *NewStack +; ); +;------------------------------------------------------------------------------ +InternalX86EnablePaging32 PROC + mov ebx, [esp + 4] + mov ecx, [esp + 8] + mov edx, [esp + 12] + pushfd + pop edi + cli + mov eax, cr0 + bts eax, 31 + mov esp, [esp + 16] + mov cr0, eax + push edi + popfd + push edx + push ecx + call ebx + jmp $ +InternalX86EnablePaging32 ENDP + + END |