Current Path : /sys/boot/pc98/boot0.5/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/boot/pc98/boot0.5/start.s |
# Copyright (c) KATO Takenori, 1999, 2000, 2007. # # All rights reserved. Unpublished rights reserved under the copyright # laws of Japan. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer as # the first lines of this file unmodified. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # $FreeBSD: release/9.1.0/sys/boot/pc98/boot0.5/start.s 168457 2007-04-07 08:37:04Z kato $ # .global start .code16 .text start: jmp start1 # Magic .org 0x053, 0x20 .byte 0x4e, 0x45, 0x43 .org 0x8f .byte 0x32, 0x2e, 0x37, 0x30 .org 0x2d4 start1: # The instruction 'call 0x9ab' can be here. See also selector.s. nop nop nop cli movw %cs, %ax movw %ax, %ds movw %ss, iniss movw %sp, inisp movw %ax, %ss movw $0xfffe, %sp sti xorw %ax, %ax movw %ax, %es call main cli movw %cs:iniss, %ss movw %cs:inisp, %sp sti int $0x1e # NOTREACHED lret .data .global iniss, inisp iniss: .word 0 inisp: .word 0