diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/DisablePaging64.S')
| -rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/DisablePaging64.S | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/DisablePaging64.S b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/DisablePaging64.S index 5093c795a8..a503d393e2 100644 --- a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/DisablePaging64.S +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/DisablePaging64.S @@ -1,66 +1,66 @@ -#------------------------------------------------------------------------------ -# -# 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: -# -# DisablePaging64.S -# -# Abstract: -# -# AsmDisablePaging64 function -# -# Notes: -# -#------------------------------------------------------------------------------ - - -#include <EdkIIGlueBase.h> -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalX86DisablePaging64 ( -# IN UINT16 Cs, %rdi -# IN UINT64 EntryPoint, %rsi -# IN UINT64 Context1, OPTIONAL %rdx -# IN UINT32 Context2, OPTIONAL %rcx -# IN UINT64 NewStack %r8 -# ); -#------------------------------------------------------------------------------ - -.globl ASM_PFX(InternalX86DisablePaging64) -ASM_PFX(InternalX86DisablePaging64): - cli - shl $0x20,%rcx - lea (%rip), %eax - mov %eax,%ecx - push %rcx - mov %edx,%ebx - mov %r8d,%esi - mov %r9d,%edi - mov 0x28(%rsp),%eax - lret -L1: - mov %eax,%esp - mov %cr0,%rax - btr $0x1f,%eax - mov %rax,%cr0 - mov $0xc0000080,%ecx - rdmsr - and $0xfe,%ah - wrmsr - mov %cr4,%rax - and $0xdf,%al - mov %rax,%cr4 - push %rdi - push %rsi - callq *%rbx - jmp . - +#------------------------------------------------------------------------------
+#
+# 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:
+#
+# DisablePaging64.S
+#
+# Abstract:
+#
+# AsmDisablePaging64 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+
+#include <EdkIIGlueBase.h>
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# InternalX86DisablePaging64 (
+# IN UINT16 Cs, %rdi
+# IN UINT64 EntryPoint, %rsi
+# IN UINT64 Context1, OPTIONAL %rdx
+# IN UINT32 Context2, OPTIONAL %rcx
+# IN UINT64 NewStack %r8
+# );
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(InternalX86DisablePaging64)
+ASM_PFX(InternalX86DisablePaging64):
+ cli
+ shl $0x20,%rcx
+ lea (%rip), %eax
+ mov %eax,%ecx
+ push %rcx
+ mov %edx,%ebx
+ mov %r8d,%esi
+ mov %r9d,%edi
+ mov 0x28(%rsp),%eax
+ lret
+L1:
+ mov %eax,%esp
+ mov %cr0,%rax
+ btr $0x1f,%eax
+ mov %rax,%cr0
+ mov $0xc0000080,%ecx
+ rdmsr
+ and $0xfe,%ah
+ wrmsr
+ mov %cr4,%rax
+ and $0xdf,%al
+ mov %rax,%cr4
+ push %rdi
+ push %rsi
+ callq *%rbx
+ jmp .
+
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