summaryrefslogtreecommitdiff
path: root/scripts/create-image-with-grub.sh
diff options
context:
space:
mode:
authorWaldemar Brodkorb <mail@waldemar-brodkorb.de>2012-07-31 00:51:04 +0200
committerWaldemar Brodkorb <mail@waldemar-brodkorb.de>2012-07-31 00:51:04 +0200
commit1815107e44f048cc810cb2fd4ccd15510c57b420 (patch)
tree5d3c9049f4bb4ab6f01442b9fecfca96ca9e8103 /scripts/create-image-with-grub.sh
parent9cef516a1d22129ef7ea43ed7ca36b760eaf2657 (diff)
simplify and fix some issues, still cfgfs not working
Diffstat (limited to 'scripts/create-image-with-grub.sh')
-rwxr-xr-xscripts/create-image-with-grub.sh322
1 files changed, 322 insertions, 0 deletions
diff --git a/scripts/create-image-with-grub.sh b/scripts/create-image-with-grub.sh
new file mode 100755
index 000000000..43770f5ba
--- /dev/null
+++ b/scripts/create-image-with-grub.sh
@@ -0,0 +1,322 @@
+#!/usr/bin/env bash
+#-
+# Copyright © 2010, 2011, 2012
+# Waldemar Brodkorb <wbx@openadk.org>
+# Thorsten Glaser <tg@mirbsd.org>
+#
+# Provided that these terms and disclaimer and all copyright notices
+# are retained or reproduced in an accompanying document, permission
+# is granted to deal in this work without restriction, including un-
+# limited rights to use, publicly perform, distribute, sell, modify,
+# merge, give away, or sublicence.
+#
+# This work is provided 'AS IS' and WITHOUT WARRANTY of any kind, to
+# the utmost extent permitted by applicable law, neither express nor
+# implied; without malicious intent or gross negligence. In no event
+# may a licensor, author or contributor be held liable for indirect,
+# direct, other damage, loss, or other issues arising in any way out
+# of dealing in the work, even if advised of the possibility of such
+# damage or existence of a defect, except proven that it results out
+# of said person's immediate fault when using the work as intended.
+#
+# Alternatively, this work may be distributed under the terms of the
+# General Public License, any version, as published by the Free Soft-
+# ware Foundation.
+#-
+
+TOPDIR=$(pwd)
+me=$0
+
+case :$PATH: in
+(*:$TOPDIR/bin/tools:*) ;;
+(*) export PATH=$PATH:$TOPDIR/bin/tools ;;
+esac
+
+test -n "$KSH_VERSION" || if ! which mksh >/dev/null 2>&1; then
+ make package=mksh fetch || exit 1
+ df=$(cd package/mksh; TOPDIR="$TOPDIR" make show=DISTFILES)
+ mkdir -p build_mksh
+ gzip -dc dl/"$df" | (cd build_mksh; cpio -mid)
+ cd build_mksh/mksh
+ bash Build.sh -r -c lto || exit 1
+ cp mksh "$TOPDIR"/bin/tools/
+ cd "$TOPDIR"
+ rm -rf build_mksh
+fi
+
+test -n "$KSH_VERSION" || exec mksh "$me" "$@"
+if test -z "$KSH_VERSION"; then
+ echo >&2 Fatal error: could not run myself with mksh!
+ exit 255
+fi
+
+### run with mksh from here onwards ###
+
+me=${me##*/}
+
+TOPDIR=$(realpath .)
+ostype=$(uname -s)
+
+cfgfs=1
+noformat=0
+quiet=0
+serial=0
+speed=115200
+panicreboot=10
+type=qemu
+
+function usage {
+cat >&2 <<EOF
+Syntax: $me [± ][-c cfgfssize] [-p panictime] [±q] [-s serialspeed]
+ [±t][ -f diskformat ] -n disk.img archive
+Defaults: -c 1 -p 10 -s 115200 -f qemu; -t = enable serial console
+EOF
+ exit $1
+}
+
+while getopts "c:hp:qs:ntf:" ch; do
+ case $ch {
+ (c) if (( (cfgfs = OPTARG) < 0 || cfgfs > 5 )); then
+ print -u2 "$me: -c $OPTARG out of bounds"
+ exit 1
+ fi ;;
+ (h) usage 0 ;;
+ (p) if (( (panicreboot = OPTARG) < 0 || panicreboot > 300 )); then
+ print -u2 "$me: -p $OPTARG out of bounds"
+ exit 1
+ fi ;;
+ (q) quiet=1 ;;
+ (+q) quiet=0 ;;
+ (s) if [[ $OPTARG != @(96|192|384|576|1152)00 ]]; then
+ print -u2 "$me: serial speed $OPTARG invalid"
+ exit 1
+ fi
+ speed=$OPTARG ;;
+ (n) noformat=1 ;;
+ (t) serial=1 ;;
+ (+t) serial=0 ;;
+ (f) type=$OPTARG ;;
+ (*) usage 1 ;;
+ }
+done
+shift $((OPTIND - 1))
+
+(( $# == 2 )) || usage 1
+
+f=0
+tools='genext2fs qemu-img'
+case $ostype {
+(DragonFly|*BSD*)
+ ;;
+(Darwin)
+ ;;
+(Linux)
+ ;;
+(*)
+ print -u2 Sorry, not ported to the OS "'$ostype'" yet.
+ exit 1
+ ;;
+}
+for tool in $tools; do
+ print -n Checking if $tool is installed...
+ if whence -p $tool >/dev/null; then
+ print " okay"
+ else
+ print " failed"
+ f=1
+ fi
+done
+(( f )) && exit 1
+
+tgt=$1
+src=$2
+
+if [[ ! -f $src ]]; then
+ print -u2 "'$src' is not a file, exiting"
+ exit 1
+fi
+(( quiet )) || print "Installing $src on $tgt."
+
+case $ostype {
+(DragonFly|*BSD*)
+ basedev=${tgt%c}
+ tgt=${basedev}c
+ part=${basedev}i
+ match=\'${basedev}\''[a-p]'
+ function mount_ext2fs {
+ mount -t ext2fs "$1" "$2"
+ }
+ ;;
+(Darwin)
+ basedev=$tgt
+ part=${basedev}s1
+ match=\'${basedev}\''?(s+([0-9]))'
+ function mount_ext2fs {
+ fuse-ext2 "$1" "$2" -o rw+
+ sleep 3
+ }
+ ;;
+(Linux)
+ basedev=$tgt
+ part=${basedev}1
+ match=\'${basedev}\''+([0-9])'
+ function mount_ext2fs {
+ mount -t ext2 "$1" "$2"
+ }
+ ;;
+}
+
+qemu-img create -f raw $tgt 524288k
+
+if stat -qs .>/dev/null 2>&1; then
+ statcmd='stat -f %z' # BSD stat (or so we assume)
+else
+ statcmd='stat -c %s' # GNU stat
+fi
+
+dksz=$(($($statcmd "$tgt")*2))
+heads=64
+secs=32
+(( cyls = dksz / heads / secs ))
+if (( cyls < (cfgfs + 2) )); then
+ print -u2 "Size of $tgt is $dksz, this looks fishy?"
+ exit 1
+fi
+
+if ! T=$(mktemp -d /tmp/openadk.XXXXXXXXXX); then
+ print -u2 Error creating temporary directory.
+ exit 1
+fi
+tar -xOzf "$src" usr/share/grub-bin/core.img >"$T/core.img"
+integer coreimgsz=$($statcmd "$T/core.img")
+if (( coreimgsz < 1024 )); then
+ print -u2 core.img is probably too small: $coreimgsz
+ rm -rf "$T"
+ exit 1
+fi
+if (( coreimgsz > 65024 )); then
+ print -u2 core.img is larger than 64K-512: $coreimgsz
+ rm -rf "$T"
+ exit 1
+fi
+(( coreendsec = (coreimgsz + 511) / 512 ))
+if [[ $basedev = /dev/svnd+([0-9]) ]]; then
+ # BSD svnd0 mode: protect sector #1
+ corestartsec=2
+ (( ++coreendsec ))
+ corepatchofs=$((0x614))
+else
+ corestartsec=1
+ corepatchofs=$((0x414))
+fi
+# partition offset: at least coreendsec+1 but aligned on a multiple of secs
+(( partofs = ((coreendsec / secs) + 1) * secs ))
+
+(( quiet )) || print Preparing MBR and GRUB2...
+dd if=/dev/zero of="$T/firsttrack" count=$partofs 2>/dev/null
+echo $corestartsec $coreendsec | mksh "$TOPDIR/scripts/bootgrub.mksh" \
+ -A -g $((cyls-cfgfs)):$heads:$secs -M 1:0x83 -O $partofs | \
+ dd of="$T/firsttrack" conv=notrunc 2>/dev/null
+dd if="$T/core.img" of="$T/firsttrack" conv=notrunc seek=$corestartsec \
+ 2>/dev/null
+# set partition where it can find /boot/grub
+print -n '\0\0\0\0' | \
+ dd of="$T/firsttrack" conv=notrunc bs=1 seek=$corepatchofs 2>/dev/null
+
+# create cfgfs partition (mostly taken from bootgrub.mksh)
+set -A thecode
+typeset -Uui8 thecode
+mbrpno=0
+set -A g_code $cyls $heads $secs
+(( psz = g_code[0] * g_code[1] * g_code[2] ))
+(( pofs = (cyls - cfgfs) * g_code[1] * g_code[2] ))
+set -A o_code # g_code equivalent for partition offset
+(( o_code[2] = pofs % g_code[2] + 1 ))
+(( o_code[1] = pofs / g_code[2] ))
+(( o_code[0] = o_code[1] / g_code[1] + 1 ))
+(( o_code[1] = o_code[1] % g_code[1] + 1 ))
+# boot flag; C/H/S offset
+thecode[mbrpno++]=0x00
+(( thecode[mbrpno++] = o_code[1] - 1 ))
+(( cylno = o_code[0] > 1024 ? 1023 : o_code[0] - 1 ))
+(( thecode[mbrpno++] = o_code[2] | ((cylno & 0x0300) >> 2) ))
+(( thecode[mbrpno++] = cylno & 0x00FF ))
+# partition type; C/H/S end
+(( thecode[mbrpno++] = 0x88 ))
+(( thecode[mbrpno++] = g_code[1] - 1 ))
+(( cylno = g_code[0] > 1024 ? 1023 : g_code[0] - 1 ))
+(( thecode[mbrpno++] = g_code[2] | ((cylno & 0x0300) >> 2) ))
+(( thecode[mbrpno++] = cylno & 0x00FF ))
+# partition offset, size (LBA)
+(( thecode[mbrpno++] = pofs & 0xFF ))
+(( thecode[mbrpno++] = (pofs >> 8) & 0xFF ))
+(( thecode[mbrpno++] = (pofs >> 16) & 0xFF ))
+(( thecode[mbrpno++] = (pofs >> 24) & 0xFF ))
+(( pssz = psz - pofs ))
+(( thecode[mbrpno++] = pssz & 0xFF ))
+(( thecode[mbrpno++] = (pssz >> 8) & 0xFF ))
+(( thecode[mbrpno++] = (pssz >> 16) & 0xFF ))
+(( thecode[mbrpno++] = (pssz >> 24) & 0xFF ))
+# write partition table entry
+ostr=
+curptr=0
+while (( curptr < 16 )); do
+ ostr=$ostr\\0${thecode[curptr++]#8#}
+done
+print -n "$ostr" | \
+ dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1CE)) 2>/dev/null
+
+(( quiet )) || print Writing MBR and GRUB2 to target device...
+dd if="$T/firsttrack" of="$tgt"
+
+(( quiet )) || print Extracting installation archive...
+gzip -dc "$src" | (cd "$T"; tar -xpf -)
+cd "$T"
+rnddev=/dev/urandom
+[[ -c /dev/arandom ]] && rnddev=/dev/arandom
+dd if=$rnddev bs=16 count=1 >>etc/.rnd 2>/dev/null
+(( quiet )) || print Fixing up permissions...
+chmod 1777 tmp
+chmod 4755 bin/busybox
+[[ -f usr/bin/Xorg ]] && chmod 4755 usr/bin/Xorg
+[[ -f usr/bin/sudo ]] && chmod 4755 usr/bin/sudo
+(( quiet )) || print Configuring GRUB2 bootloader...
+mkdir -p boot/grub
+(
+ print set default=0
+ print set timeout=1
+ if (( serial )); then
+ print serial --unit=0 --speed=$speed
+ print terminal_output serial
+ print terminal_input serial
+ consargs="console=ttyS0,$speed console=tty0"
+ else
+ print terminal_output console
+ print terminal_input console
+ consargs="console=tty0"
+ fi
+ print
+ print 'menuentry "GNU/Linux (OpenADK)" {'
+ linuxargs="root=/dev/sda1 $consargs"
+ (( panicreboot )) && linuxargs="$linuxargs panic=$panicreboot"
+ print "\tlinux /boot/kernel $linuxargs"
+ print '}'
+) >boot/grub/grub.cfg
+set -A grubfiles
+ngrubfiles=0
+for a in usr/lib/grub/*-pc/{*.mod,efiemu??.o,command.lst,moddep.lst,fs.lst,handler.lst,parttool.lst}; do
+ [[ -e $a ]] && grubfiles[ngrubfiles++]=$a
+done
+cp "${grubfiles[@]}" boot/grub/
+cd "$TOPDIR"
+
+dd if=qemu.img of=mbr bs=64k count=1
+bs=$((524288-64-1))
+(( quiet )) || print Generating ext2 image with size $bs...
+dd if=/dev/zero of=cfgfs bs=1024k count=$cfgfs
+genext2fs -q -b $bs -d $T ${tgt}.new
+(( quiet )) || print Finishing up...
+cat mbr ${tgt}.new cfgfs > $tgt
+
+rm -rf "$T" mbr ${tgt}.new cfgfs
+exit 0