56 lines
1.5 KiB
PHP
56 lines
1.5 KiB
PHP
; $Id: layout.inc,v 1.1 2004/12/28 06:05:14 hpa Exp $
|
|
; -----------------------------------------------------------------------
|
|
;
|
|
; Copyright 1994-2004 H. Peter Anvin - All Rights Reserved
|
|
;
|
|
; This program is free software; you can redistribute it and/or modify
|
|
; it under the terms of the GNU General Public License as published by
|
|
; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
|
|
; Bostom MA 02111-1307, USA; either version 2 of the License, or
|
|
; (at your option) any later version; incorporated herein by reference.
|
|
;
|
|
; -----------------------------------------------------------------------
|
|
|
|
;
|
|
; layout.inc
|
|
;
|
|
; Memory layout of segments
|
|
;
|
|
|
|
|
|
; Memory below 0800h is reserved for the BIOS and the MBR
|
|
BSS_START equ 0800h
|
|
|
|
; PXELINUX needs lots of BSS, so it relocates itself on startup
|
|
%if IS_PXELINUX
|
|
TEXT_START equ 9000h
|
|
%else
|
|
TEXT_START equ 7C00h
|
|
%endif
|
|
|
|
%ifdef MAP
|
|
[map all MAP]
|
|
%endif
|
|
|
|
;
|
|
; The various sections and their relationship
|
|
;
|
|
org TEXT_START
|
|
|
|
; NASM BUG: refers to hacks to handle NASM 0.98.38 bugs; might need
|
|
; conditional compilation
|
|
|
|
section .earlybss nobits start=BSS_START
|
|
section .bcopy32 align=4 valign=16 follows=.data vfollows=.earlybss
|
|
; NASM BUG: follows= here should be vfollows=
|
|
section .bss nobits align=256 follows=.bcopy32
|
|
|
|
section .text start=TEXT_START
|
|
; NASM BUG: follows=.text not accepted here
|
|
section .data align=16 ; follows=.text
|
|
|
|
; NASM BUG: We would like to do follows=.bcopy32
|
|
section .latebss nobits align=16 start=0E000h
|
|
|
|
|