mirror of https://github.com/acidanthera/audk.git
73 lines
1.4 KiB
NASM
73 lines
1.4 KiB
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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;
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; Module Name:
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;
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; SecEntry.asm
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;
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; Abstract:
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;
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; This is the code that begins in protected mode.
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; It will transfer the control to pei core.
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;
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;------------------------------------------------------------------------------
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#include <Base.h>
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.686p
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.xmm
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.model small, c
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EXTRN SecStartup:NEAR
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; Pcds
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EXTRN PcdGet32 (PcdPayloadFdMemBase):DWORD
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.code
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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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; Disable all the interrupts
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;
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cli
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;
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; Construct the temporary memory at 0x80000, length 0x10000
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;
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mov esp, (BASE_512KB + SIZE_64KB)
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;
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; Pass BFV into the PEI Core
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;
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push PcdGet32 (PcdPayloadFdMemBase)
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;
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; Pass stack base into the PEI Core
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;
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push BASE_512KB
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;
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; Pass stack size into the PEI Core
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;
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push SIZE_64KB
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;
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; Pass Control into the PEI Core
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;
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call SecStartup
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_ModuleEntryPoint ENDP
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END
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