mirror of https://github.com/acidanthera/audk.git
58 lines
1.4 KiB
NASM
58 lines
1.4 KiB
NASM
;------------------------------------------------------------------------------
|
|
; @file
|
|
; First code exectuted by processor after resetting.
|
|
;
|
|
; Copyright (c) 2008 - 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.
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
BITS 16
|
|
|
|
ALIGN 16
|
|
|
|
applicationProcessorEntryPoint:
|
|
;
|
|
; Application Processors entry point
|
|
;
|
|
; GenFv generates code aligned on a 4k boundary which will jump to this
|
|
; location. (0xffffffe0) This allows the Local APIC Startup IPI to be
|
|
; used to wake up the application processors.
|
|
;
|
|
jmp short EarlyApInitReal16
|
|
|
|
ALIGN 8
|
|
|
|
DD 0
|
|
|
|
;
|
|
; The VTF signature
|
|
;
|
|
; VTF-0 means that the VTF (Volume Top File) code does not require
|
|
; any fixups.
|
|
;
|
|
vtfSignature:
|
|
DB 'V', 'T', 'F', 0
|
|
|
|
ALIGN 16
|
|
|
|
resetVector:
|
|
;
|
|
; Reset Vector
|
|
;
|
|
; This is where the processor will begin execution
|
|
;
|
|
wbinvd
|
|
jmp short EarlyBspInitReal16
|
|
|
|
ALIGN 16
|
|
|
|
fourGigabytes:
|
|
|