c19e3f578f
Currently, page table creation has many hard-code values about the offset to the start of page table. To simplify it, add Labels such as Pml4, Pdp and Pd, so that we can remove many hard-code values Cc: Eric Dong <eric.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Tested-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Debkumar De <debkumar.de@intel.com> Cc: Catharine West <catharine.west@intel.com> Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
25 lines
592 B
NASM
25 lines
592 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 - 2023, Intel Corporation. All rights reserved.<BR>
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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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 in X64/PageTables.asm
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;
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mov eax, ADDR_OF(Pml4)
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mov cr3, eax
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OneTimeCallRet SetCr3ForPageTables64
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