audk/OvmfPkg/Sec/Ia32/SecEntry.asm

58 lines
1.5 KiB
NASM

TITLE SecEntry.asm
;------------------------------------------------------------------------------
;*
;* Copyright (c) 2006 - 2009, 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.
;*
;* CpuAsm.asm
;*
;* Abstract:
;*
;------------------------------------------------------------------------------
#include <Base.h>
.686
.model flat,C
.code
EXTERN SecCoreStartupWithStack:PROC
;
; SecCore Entry Point
;
; Processor is in flat protected mode
;
; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
; @param[in] EBP Pointer to the start of the Boot Firmware Volume
;
; @return None This routine does not return
;
_ModuleEntryPoint PROC PUBLIC
;
; Load temporary stack top at very low memory. The C code
; can reload to a better address.
;
mov eax, BASE_512KB
mov esp, eax
nop
;
; Call into C code
;
push eax
push ebp
call SecCoreStartupWithStack
_ModuleEntryPoint ENDP
END