[mirror_edk2.git] / UefiCpuPkg / ResetVector / Vtf0 / Ia32 / PageTables64.asm

;------------------------------------------------------------------------------\r
; @file\r
; Sets the CR3 register for 64-bit paging\r
;\r
; Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
;------------------------------------------------------------------------------\r
\r
BITS    32\r
\r
;\r
; Modified:  EAX\r
;\r
SetCr3ForPageTables64:\r
\r
    ;\r
    ; These pages are built into the ROM image in X64/PageTables.asm\r
    ;\r
    mov     eax, ADDR_OF(TopLevelPageDirectory)\r
    mov     cr3, eax\r
\r
    OneTimeCallRet SetCr3ForPageTables64\r
\r
Commit	Line	Data
a63f2e24 JJ	1	;------------------------------------------------------------------------------\r
	2	; @file\r
	3	; Sets the CR3 register for 64-bit paging\r
	4	;\r
	5	; Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>\r
0acd8697	6	; SPDX-License-Identifier: BSD-2-Clause-Patent\r
a63f2e24 JJ	7	;\r
	8	;------------------------------------------------------------------------------\r
	9	\r
	10	BITS 32\r
	11	\r
	12	;\r
	13	; Modified: EAX\r
	14	;\r
	15	SetCr3ForPageTables64:\r
	16	\r
	17	;\r
eee1d2ca	18	; These pages are built into the ROM image in X64/PageTables.asm\r
a63f2e24	19	;\r
eee1d2ca	20	mov eax, ADDR_OF(TopLevelPageDirectory)\r
a63f2e24 JJ	21	mov cr3, eax\r
	22	\r
	23	OneTimeCallRet SetCr3ForPageTables64\r
	24	\r