--- /dev/null
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+; 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
+; EnablePaging32.Asm\r
+;\r
+; Abstract:\r
+;\r
+; AsmEnablePaging32 function\r
+;\r
+; Notes:\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+ SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; VOID\r
+; EFIAPI\r
+; InternalX86EnablePaging32 (\r
+; IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r
+; IN VOID *Context1, OPTIONAL\r
+; IN VOID *Context2, OPTIONAL\r
+; IN VOID *NewStack\r
+; );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalX86EnablePaging32)\r
+ASM_PFX(InternalX86EnablePaging32):\r
+ mov ebx, [esp + 4]\r
+ mov ecx, [esp + 8]\r
+ mov edx, [esp + 12]\r
+ pushfd\r
+ pop edi ; save flags in edi\r
+ cli\r
+ mov eax, cr0\r
+ bts eax, 31\r
+ mov esp, [esp + 16]\r
+ mov cr0, eax\r
+ push edi\r
+ popfd ; restore flags\r
+ push edx\r
+ push ecx\r
+ call ebx\r
+ jmp $\r
+\r