CloverBootloader/UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm

43 lines
994 B
NASM

;------------------------------------------------------------------------------
; @file
; 16-bit initialization code
;
; Copyright (c) 2008 - 2009, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
;------------------------------------------------------------------------------
BITS 16
;
; @param[out] DI 'BP' to indicate boot-strap processor
;
EarlyBspInitReal16:
mov di, 'BP'
jmp short Main16
;
; @param[out] DI 'AP' to indicate application processor
;
EarlyApInitReal16:
mov di, 'AP'
jmp short Main16
;
; Modified: EAX
;
; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
; @param[out] ESP Initial value of the EAX register (BIST: Built-in Self Test)
;
EarlyInit16:
;
; ESP - Initial value of the EAX register (BIST: Built-in Self Test)
;
mov esp, eax
debugInitialize
OneTimeCallRet EarlyInit16