1 ;------------------------------------------------------------------------------
3 ; Copyright (c) 2006, Intel Corporation
4 ; All rights reserved. This program and the accompanying materials
5 ; are licensed and made available under the terms and conditions of the BSD License
6 ; which accompanies this distribution. The full text of the license may be found at
7 ; http://opensource.org/licenses/bsd-license.php
9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 ; AsmDisablePaging64 function
22 ;------------------------------------------------------------------------------
26 InternalX86DisablePaging64 PROC
37 mov esp, eax ; set up new stack
40 mov cr0, rax ; disable paging
43 and ah, NOT 1 ; clear LME
46 and al, NOT (1 SHL 5) ; clear PAE
52 InternalX86DisablePaging64 ENDP