OVMF ResetVector: Modify interface with SEC module

[mirror_edk2.git] / OvmfPkg / Sec / Ia32 / SecEntry.S

#
# ConvertAsm.py: Automatically generated from SecEntry.asm
#
#      TITLE   SecEntry.asm

#------------------------------------------------------------------------------
#*
#*   Copyright 2006 - 2009, 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 "SecMain.h"

#EXTERN ASM_PFX(SecCoreStartupWithStack)

#
#  SecCore Entry Point
#
#  Processor is in flat protected mode
#
#  @param  ESI  Pointer to SEC Core Entry Point (this function)
#  @param  EDI  Pointer to PEI Core Entry Point
#  @param  EBP  Pointer to the start of the Boot Firmware Volume
#
#  @return None
#
#
ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
ASM_PFX(_ModuleEntryPoint):

    #
    # Load temporary stack top at very low memory.  The C code
    # can reload to a better address.
    #
    movl    $INITIAL_TOP_OF_STACK, %eax 
    movl    %eax, %esp
    nop

    #
    # Call into C code
    #
    pushl   %eax
    pushl   %edi
    pushl   %esi
    pushl   %ebp
    call    ASM_PFX(SecCoreStartupWithStack)


#END