diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/EnablePaging64.asm')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/EnablePaging64.asm | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/EnablePaging64.asm b/MdePkg/Library/BaseLib/Ia32/EnablePaging64.asm deleted file mode 100644 index 9ad3404945..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/EnablePaging64.asm +++ /dev/null @@ -1,68 +0,0 @@ -;------------------------------------------------------------------------------
-;
-; 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:
-;
-; EnablePaging64.Asm
-;
-; Abstract:
-;
-; AsmEnablePaging64 function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
- .686p
- .model flat,C
- .code
-
-;------------------------------------------------------------------------------
-; VOID
-; EFIAPI
-; InternalX86EnablePaging64 (
-; IN UINT16 Cs,
-; IN UINT64 EntryPoint,
-; IN UINT64 Context1, OPTIONAL
-; IN UINT64 Context2, OPTIONAL
-; IN UINT64 NewStack
-; );
-;------------------------------------------------------------------------------
-InternalX86EnablePaging64 PROC
- cli
- mov DWORD PTR [esp], @F ; offset for far retf, seg is the 1st arg
- mov eax, cr4
- or al, (1 SHL 5)
- mov cr4, eax ; enable PAE
- mov ecx, 0c0000080h
- rdmsr
- or ah, 1 ; set LME
- wrmsr
- mov eax, cr0
- bts eax, 31 ; set PG
- mov cr0, eax ; enable paging
- retf ; topmost 2 dwords hold the address
-@@: ; long mode starts here
- DB 67h, 48h ; 32-bit address size, 64-bit operand size
- mov ebx, [esp] ; mov rbx, [esp]
- DB 67h, 48h
- mov ecx, [esp + 8] ; mov rcx, [esp + 8]
- DB 67h, 48h
- mov edx, [esp + 10h] ; mov rdx, [esp + 10h]
- DB 67h, 48h
- mov esp, [esp + 18h] ; mov rsp, [esp + 18h]
- DB 48h
- add esp, -20h ; add rsp, -20h
- call ebx ; call rbx
- hlt ; no one should get here
-InternalX86EnablePaging64 ENDP
-
- END
|