| boot.s (64190) | boot.s (167657) |
|---|---|
| 1# Copyright (c) KATO Takenori, 1999, 2000. 2# 3# All rights reserved. Unpublished rights reserved under the copyright 4# laws of Japan. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: --- 11 unchanged lines hidden (view full) --- 20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27# | 1# Copyright (c) KATO Takenori, 1999, 2000. 2# 3# All rights reserved. Unpublished rights reserved under the copyright 4# laws of Japan. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: --- 11 unchanged lines hidden (view full) --- 20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27# |
| 28# $FreeBSD: head/sys/boot/pc98/boot0.5/boot.s 64190 2000-08-03 13:01:45Z kato $ | 28# $FreeBSD: head/sys/boot/pc98/boot0.5/boot.s 167657 2007-03-17 05:30:03Z kato $ |
| 29# 30 31 .code16 32 33 .text 34 .global boot 35# 36# Read bootstrap program and jump to it. --- 18 unchanged lines hidden (view full) --- 55 movb %al, b_sector 56 incw %si 57 movb parttable(%si), %al # IPLH 58 movb %al, b_head 59 incw %si # IPLC 60 movw parttable(%si), %ax 61 movw %ax, b_cylinder 62 | 29# 30 31 .code16 32 33 .text 34 .global boot 35# 36# Read bootstrap program and jump to it. --- 18 unchanged lines hidden (view full) --- 55 movb %al, b_sector 56 incw %si 57 movb parttable(%si), %al # IPLH 58 movb %al, b_head 59 incw %si # IPLC 60 movw parttable(%si), %ax 61 movw %ax, b_cylinder 62 |
| 63 # Step 2: Calculate egment address of bootstrap routine | 63 # Step 2: Calculate the segment address of the bootstrap routine |
| 64 movw $0x1d00, %ax 65 movw b_secsize, %cx 66 shrw %cx 67 shrw %cx 68 subw %cx, %ax 69 subw $0x100, %ax 70 movw %ax, b_bootseg 71 --- 103 unchanged lines hidden --- | 64 movw $0x1d00, %ax 65 movw b_secsize, %cx 66 shrw %cx 67 shrw %cx 68 subw %cx, %ax 69 subw $0x100, %ax 70 movw %ax, b_bootseg 71 --- 103 unchanged lines hidden --- |