[mirror_edk2.git] / DuetPkg / DxeIpl / Ia32 / EnterDxeCore.asm

      TITLE   EnterDxeCore.asm: Assembly code for the entering DxeCore\r
;------------------------------------------------------------------------------\r
;*\r
;*   Copyright 2006, Intel Corporation                                                         \r
;*   All rights reserved. This program and the accompanying materials                          \r
;*   are licensed and made available under the terms and conditions of the BSD License         \r
;*   which accompanies this distribution.  The full text of the license may be found at        \r
;*   http://opensource.org/licenses/bsd-license.php                                            \r
;*                                                                                             \r
;*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
;*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
;*   \r
;*    EnterDxeCore.asm\r
;*  \r
;*   Abstract:\r
;*\r
;------------------------------------------------------------------------------\r
\r
.686p\r
.model  flat        \r
\r
.code\r
.stack\r
.MMX\r
.XMM\r
\r
;\r
; VOID\r
; EnterDxeMain (\r
;   IN VOID *StackTop,\r
;   IN VOID *DxeCoreEntryPoint,\r
;   IN VOID *Hob,\r
;   IN VOID *PageTable\r
;   )\r
;\r
EnterDxeMain    PROC  C    \\r
  StackTop:DWORD,          \\r
  DxeCoreEntryPoint:DWORD, \\r
  Hob:DWORD,               \\r
  PageTable:DWORD\r
  \r
  mov   eax, PageTable\r
;  mov   cr3, eax     ; load page table\r
;  mov   eax, cr4\r
;  bts   eax, 4       ; enable CR4.PSE\r
;  mov   cr4, eax\r
;  mov   eax, cr0\r
;  bts   eax, 31      ; enable CR0.PG\r
;  mov   cr0, eax\r
  mov   ecx, DxeCoreEntryPoint\r
  mov   eax, StackTop\r
  mov   esp, eax\r
  mov   edx, Hob\r
  push  edx\r
  push  0\r
  jmp   ecx\r
\r
; should never get here\r
  jmp $\r
  ret\r
\r
EnterDxeMain    ENDP\r
\r
END\r
Commit	Line	Data
ca162103	1	TITLE EnterDxeCore.asm: Assembly code for the entering DxeCore\r
	2	;------------------------------------------------------------------------------\r
	3	;*\r
	4	;* Copyright 2006, Intel Corporation \r
	5	;* All rights reserved. This program and the accompanying materials \r
	6	;* are licensed and made available under the terms and conditions of the BSD License \r
	7	;* which accompanies this distribution. The full text of the license may be found at \r
	8	;* http://opensource.org/licenses/bsd-license.php \r
	9	;* \r
	10	;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	11	;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	12	;* \r
	13	;* EnterDxeCore.asm\r
	14	;* \r
	15	;* Abstract:\r
	16	;*\r
	17	;------------------------------------------------------------------------------\r
	18	\r
	19	.686p\r
	20	.model flat \r
	21	\r
	22	.code\r
	23	.stack\r
	24	.MMX\r
	25	.XMM\r
	26	\r
	27	;\r
	28	; VOID\r
	29	; EnterDxeMain (\r
	30	; IN VOID *StackTop,\r
	31	; IN VOID *DxeCoreEntryPoint,\r
	32	; IN VOID *Hob,\r
	33	; IN VOID *PageTable\r
	34	; )\r
	35	;\r
	36	EnterDxeMain PROC C \\r
	37	StackTop:DWORD, \\r
	38	DxeCoreEntryPoint:DWORD, \\r
	39	Hob:DWORD, \\r
	40	PageTable:DWORD\r
	41	\r
	42	mov eax, PageTable\r
	43	; mov cr3, eax ; load page table\r
	44	; mov eax, cr4\r
	45	; bts eax, 4 ; enable CR4.PSE\r
	46	; mov cr4, eax\r
	47	; mov eax, cr0\r
	48	; bts eax, 31 ; enable CR0.PG\r
	49	; mov cr0, eax\r
	50	mov ecx, DxeCoreEntryPoint\r
	51	mov eax, StackTop\r
	52	mov esp, eax\r
	53	mov edx, Hob\r
	54	push edx\r
	55	push 0\r
	56	jmp ecx\r
	57	\r
	58	; should never get here\r
	59	jmp $\r
	60	ret\r
	61	\r
	62	EnterDxeMain ENDP\r
	63	\r
	64	END\r