diff options
Diffstat (limited to 'OldMdePkg/Library/BaseLib/X64/DisablePaging64.S')
| -rw-r--r-- | OldMdePkg/Library/BaseLib/X64/DisablePaging64.S | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/OldMdePkg/Library/BaseLib/X64/DisablePaging64.S b/OldMdePkg/Library/BaseLib/X64/DisablePaging64.S deleted file mode 100644 index d23313de38..0000000000 --- a/OldMdePkg/Library/BaseLib/X64/DisablePaging64.S +++ /dev/null @@ -1,66 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006, Intel Corporation -# All rights reserved. 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: -# -#------------------------------------------------------------------------------ - - - -#------------------------------------------------------------------------------ -# 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 -# ); -#------------------------------------------------------------------------------ - -.global _InternalX86DisablePaging64 -_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 . - |