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