+++ /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
-# DisablePaging64.S\r
-#\r
-# Abstract:\r
-#\r
-# AsmDisablePaging64 function\r
-#\r
-# Notes:\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
- \r
-#include <EdkIIGlueBase.h>\r
-#------------------------------------------------------------------------------\r
-# VOID\r
-# EFIAPI\r
-# InternalX86DisablePaging64 (\r
-# IN UINT16 Cs, %rdi\r
-# IN UINT64 EntryPoint, %rsi\r
-# IN UINT64 Context1, OPTIONAL %rdx\r
-# IN UINT32 Context2, OPTIONAL %rcx\r
-# IN UINT64 NewStack %r8\r
-# );\r
-#------------------------------------------------------------------------------\r
-\r
-.globl ASM_PFX(InternalX86DisablePaging64)\r
-ASM_PFX(InternalX86DisablePaging64):\r
- cli \r
- shl $0x20,%rcx\r
- lea (%rip), %eax\r
- mov %eax,%ecx\r
- push %rcx\r
- mov %edx,%ebx\r
- mov %r8d,%esi\r
- mov %r9d,%edi\r
- mov 0x28(%rsp),%eax\r
- lret \r
-L1:\r
- mov %eax,%esp\r
- mov %cr0,%rax\r
- btr $0x1f,%eax\r
- mov %rax,%cr0\r
- mov $0xc0000080,%ecx\r
- rdmsr \r
- and $0xfe,%ah\r
- wrmsr \r
- mov %cr4,%rax\r
- and $0xdf,%al\r
- mov %rax,%cr4\r
- push %rdi\r
- push %rsi\r
- callq *%rbx\r
- jmp .\r
-\r