TITLE SecEntry.asm
;------------------------------------------------------------------------------
;*
;* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.
;* 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
.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 RAM stack based on PCDs
;
SEC_TOP_OF_STACK EQU (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
mov eax, SEC_TOP_OF_STACK
mov esp, eax
nop
;
; Setup parameters and call SecCoreStartupWithStack
; [esp] return address for call
; [esp+4] BootFirmwareVolumePtr
; [esp+8] TopOfCurrentStack
;
push eax
push ebp
call SecCoreStartupWithStack
_ModuleEntryPoint ENDP
END