Fix the bug that EnablePaging64() should assert() for x64 platform.

[mirror_edk2.git] / MdePkg / Library / BaseLib / X64 / EnablePaging64.asm

diff --git a/MdePkg/Library/BaseLib/X64/EnablePaging64.asm b/MdePkg/Library/BaseLib/X64/EnablePaging64.asm
deleted file mode 100644 (file)
index bd5770d..0000000
--- a/MdePkg/Library/BaseLib/X64/EnablePaging64.asm
+++ /dev/null
@@ -1,64 +0,0 @@
-;------------------------------------------------------------------------------\r
-;\r
-; Copyright (c) 2006 - 2008, Intel Corporation\r
-; All rights reserved. This program and the accompanying materials\r
-; are licensed and made available under the terms and conditions of the BSD License\r
-; which accompanies this distribution.  The full text of the license may be found at\r
-; http://opensource.org/licenses/bsd-license.php\r
-;\r
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-;\r
-; Module Name:\r
-;\r
-;   EnablePaging64.Asm\r
-;\r
-; Abstract:\r
-;\r
-;   AsmEnablePaging64 function\r
-;\r
-; Notes:\r
-;\r
-;------------------------------------------------------------------------------\r
-\r
-    .code\r
-\r
-;------------------------------------------------------------------------------\r
-; VOID\r
-; EFIAPI\r
-; InternalX86EnablePaging64 (\r
-;   IN      UINT16                    Cs,\r
-;   IN      UINT64                    EntryPoint,\r
-;   IN      UINT64                    Context1,  OPTIONAL\r
-;   IN      UINT64                    Context2,  OPTIONAL\r
-;   IN      UINT64                    NewStack\r
-;   );\r
-;------------------------------------------------------------------------------\r
-InternalX86EnablePaging64 PROC\r
-    cli\r
-    pop     rax                         ; skip the return address\r
-    call    @Base\r
-@Base:\r
-    add     dword ptr [rsp], @F - @Base ; offset for far retf, seg is the 1st arg\r
-    mov     rax, cr4\r
-    or      al, (1 SHL 5)\r
-    mov     cr4, rax                    ; enable PAE\r
-    mov     ecx, 0c0000080h\r
-    rdmsr\r
-    or      ah, 1                       ; set LME\r
-    wrmsr\r
-    mov     rax, cr0\r
-    bts     eax, 31\r
-    mov     cr0, rax                    ; enable paging\r
-    retf\r
-@@:                                     ; long mode starts here\r
-    mov     rbx, [esp]\r
-    mov     rcx, [esp + 8]\r
-    mov     rdx, [esp + 10h]\r
-    mov     rsp, [esp + 18h]\r
-    add     rsp, -20h\r
-    call    rbx\r
-    hlt                                 ; halt processor if EntryPoint() returned\r
-InternalX86EnablePaging64 ENDP\r
-\r
-    END\r