;------------------------------------------------------------------------------ ; ; Copyright (c) 2014, 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. ; ; Module Name: ; ; ResetVec.nasmb ; ; Abstract: ; ; Reset Vector Data structure ; This structure is located at 0xFFFFFFC0 ; ;------------------------------------------------------------------------------ ; .stack 0x0 ; SECTION .text USE16 ; ; The layout of this file is fixed. The build tool makes assumption of the layout. ; ORG 0h ; ; Reserved ; ReservedData: DD 0eeeeeeeeh, 0eeeeeeeeh TIMES 0x10-($-$$) DB 0 ; ; This is located at 0xFFFFFFD0h ; mov di, "PA" jmp ApStartup TIMES 0x20-($-$$) DB 0 ; ; 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-($-$$) DB 0 ; ; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte ; Execution starts here upon power-on/platform-reset. ; ResetHandler: nop nop ApStartup: ; ; Jmp Rel16 instruction ; Use machine code directly in case of the assembler optimization ; SEC entry point relative address will be fixed up by some build tool. ; ; Typically, SEC entry point is the function _ModuleEntryPoint() defined in ; SecEntry.asm ; DB 0e9h DW -3 TIMES 0x38-($-$$) DB 0 ; ; Ap reset vector segment address is at 0xFFFFFFF8 ; This will be fixed up by some build tool, ; so if the value 1..8 appears in the final FD image, ; tool failure occurs ; ApSegAddress: dd 12345678h TIMES 0x3c-($-$$) DB 0 ; ; 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. ;