mirror of https://github.com/acidanthera/audk.git
60 lines
1.8 KiB
ArmAsm
60 lines
1.8 KiB
ArmAsm
# TITLE SecEntry.asm
|
|
#------------------------------------------------------------------------------
|
|
#*
|
|
#* Copyright (c) 2006 - 2013, 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>
|
|
|
|
#EXTERN ASM_PFX(SecCoreStartupWithStack)
|
|
|
|
#
|
|
# 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
|
|
#
|
|
ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
|
|
ASM_PFX(_ModuleEntryPoint):
|
|
|
|
#
|
|
# Load temporary RAM stack based on PCDs
|
|
#
|
|
.set SEC_TOP_OF_STACK, FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
|
|
FixedPcdGet32 (PcdOvmfSecPeiTempRamSize)
|
|
movl $SEC_TOP_OF_STACK, %eax
|
|
movl %eax, %esp
|
|
nop
|
|
|
|
#
|
|
# Setup parameters and call SecCoreStartupWithStack
|
|
# [esp] return address for call
|
|
# [esp+4] BootFirmwareVolumePtr
|
|
# [esp+8] TopOfCurrentStack
|
|
#
|
|
pushl %eax
|
|
pushl %ebp
|
|
call ASM_PFX(SecCoreStartupWithStack)
|
|
|
|
|
|
#END
|
|
|