mirror of https://github.com/acidanthera/audk.git
31 lines
1014 B
NASM
31 lines
1014 B
NASM
;------------------------------------------------------------------------------
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; @file
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; Sets the CR3 register for 64-bit paging
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;
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; Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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;------------------------------------------------------------------------------
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BITS 32
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;
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; Modified: EAX
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;
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SetCr3ForPageTables64:
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;
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; These pages are built into the ROM image by Tools/FixupForRawSection.py
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;
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mov eax, ((ADDR_OF_START_OF_RESET_CODE & ~0xfff) - 0x1000)
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mov cr3, eax
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OneTimeCallRet SetCr3ForPageTables64
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