mirror of https://github.com/acidanthera/audk.git
62 lines
1.8 KiB
NASM
62 lines
1.8 KiB
NASM
TITLE SecEntry.asm
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;------------------------------------------------------------------------------
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;*
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;* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
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;* This program and the accompanying materials
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;* are licensed and made available under the terms and conditions of the BSD License
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;* which accompanies this distribution. The full text of the license may be found at
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;* http://opensource.org/licenses/bsd-license.php
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;*
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;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;*
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;* CpuAsm.asm
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;*
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;* Abstract:
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;*
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;------------------------------------------------------------------------------
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#include <Base.h>
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.686
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.model flat,C
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.code
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EXTERN SecCoreStartupWithStack:PROC
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;
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; SecCore Entry Point
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;
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; Processor is in flat protected mode
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;
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; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
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; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
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; @param[in] EBP Pointer to the start of the Boot Firmware Volume
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;
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; @return None This routine does not return
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;
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_ModuleEntryPoint PROC PUBLIC
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;
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; Load temporary RAM stack based on PCDs
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;
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SEC_TOP_OF_STACK EQU (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
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FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
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mov eax, SEC_TOP_OF_STACK
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mov esp, eax
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nop
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;
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; Setup parameters and call SecCoreStartupWithStack
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; [esp] return address for call
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; [esp+4] BootFirmwareVolumePtr
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; [esp+8] TopOfCurrentStack
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;
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push eax
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push ebp
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call SecCoreStartupWithStack
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_ModuleEntryPoint ENDP
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END
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