;------------------------------------------------------------------------------ | |
; | |
; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR> | |
; SPDX-License-Identifier: BSD-2-Clause-Patent | |
; | |
; Module Name: | |
; | |
; ResetVec.nasmb | |
; | |
; Abstract: | |
; | |
; Reset Vector Data structure | |
; This structure is located at 0xFFFFF000 | |
; | |
;------------------------------------------------------------------------------ | |
; .stack 0x0 | |
; SECTION .text | |
USE16 | |
; | |
; The layout of this file is fixed. The build tool makes assumption of the layout. | |
; | |
ORG 0h | |
; | |
; This should be at 0xFFFFFFC0 | |
; | |
; | |
; Reserved | |
; | |
ReservedData: DD 0eeeeeeeeh, 0eeeeeeeeh | |
TIMES 0x20-($-$$) nop | |
; | |
; Pointer to the entry point of the PEI core | |
; It is located at 0xFFFFFFE0, and is fixed up by some build tool | |
; So if the value 8..1 appears in the final FD image, tool failure occurs. | |
; | |
PeiCoreEntryPoint: DD 87654321h | |
; | |
; This is the handler for all kinds of exceptions. Since it's for debugging | |
; purpose only, nothing except a dead loop would be done here. Developers could | |
; analyze the cause of the exception if a debugger had been attached. | |
; | |
global ASM_PFX(InterruptHandler) | |
ASM_PFX(InterruptHandler): | |
jmp $ | |
iret | |
TIMES 0x30-($-$$) nop | |
; | |
; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte | |
; Execution starts here upon power-on/platform-reset. | |
; | |
ResetHandler: | |
nop | |
nop | |
; | |
; Jmp Rel16 instruction | |
; Use machine code directly in case of the assembler optimization | |
; SEC entry point relative address will be fixed up by some build tool. | |
; | |
; Typically, SEC entry point is the function _ModuleEntryPoint() defined in | |
; SecEntry.asm | |
; | |
DB 0e9h | |
DW -3 | |
TIMES 0x3C-($-$$) nop | |
; | |
; BFV Base is at 0xFFFFFFFC | |
; This will be fixed up by some build tool, | |
; so if the value 1..8 appears in the final FD image, | |
; tool failure occurs. | |
; | |
BfvBase: DD 12345678h | |
; | |
; Nothing can go here, otherwise the layout of this file would change. | |
; |