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Diffstat (limited to 'scripts/create-image-with-grub.sh')
| -rwxr-xr-x | scripts/create-image-with-grub.sh | 322 |
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 |