Jordan Justen eee1d2ca90 UefiCpuPkg VTF0 X64: Build page tables in NASM code
Previously, we would build the page tables in
Tools/FixupForRawSection.py.

In order to let NASM build VTF0 from source during the EDK II build
process, we need to move this into the VTF0 NASM code.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15822 6f19259b-4bc3-4df7-8a09-765794883524
2014-08-18 23:03:46 +00:00

31 lines
986 B
NASM

;------------------------------------------------------------------------------
; @file
; Sets the CR3 register for 64-bit paging
;
; Copyright (c) 2008 - 2013, 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.
;
;------------------------------------------------------------------------------
BITS 32
;
; Modified: EAX
;
SetCr3ForPageTables64:
;
; These pages are built into the ROM image in X64/PageTables.asm
;
mov eax, ADDR_OF(TopLevelPageDirectory)
mov cr3, eax
OneTimeCallRet SetCr3ForPageTables64