add new try for genext2fs image creation

scripts/create.sh

@@ -0,0 +1,387 @@
+#!/usr/bin/env bash
+#-
+# Copyright © 2010, 2011
+#	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.
+#-
+# Prepare a USB stick or CF/SD/MMC card or hard disc for installation
+# of OpenADK:
+# • install a Master Boot Record containing a MirBSD PBR loading GRUB
+# • write GRUB2 core.img just past the MBR
+# • create a root partition with ext2fs and extract the OpenADK image
+#   just built there
+# • create a cfgfs partition
+
+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" gmake 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##*/}
+
+if (( USER_ID )); then
+	print -u2 Installation is only possible as root!
+	exit 1
+fi
+
+TOPDIR=$(realpath .)
+ostype=$(uname -s)
+
+cfgfs=1
+noformat=0
+quiet=0
+serial=0
+speed=115200
+panicreboot=10
+
+function usage {
+cat >&2 <<EOF
+Syntax: $me [-c cfgfssize] [-p panictime] [±q] [-s serialspeed]
+    [±t] -n /dev/sdb image
+Defaults: -c 1 -p 10 -s 115200; -t = enable serial console
+EOF
+	exit $1
+}
+
+while getopts "c:hp:qs:nt" 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 ;;
+	(*)	usage 1 ;;
+	}
+done
+shift $((OPTIND - 1))
+
+(( $# == 2 )) || usage 1
+
+f=0
+tools='mke2fs tune2fs'
+case $ostype {
+(DragonFly|*BSD*)
+	;;
+(Darwin)
+	tools="$tools fuse-ext2"
+	;;
+(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 [[ ! -b $tgt ]]; then
+	print -u2 "'$tgt' is not a block device, exiting"
+	exit 1
+fi
+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"
+	}
+	;;
+}
+
+mount |&
+while read -p dev rest; do
+	eval [[ \$dev = $match ]] || continue
+	print -u2 "Block device $tgt is in use, please umount first."
+	exit 1
+done
+
+if (( !quiet )); then
+	print "WARNING: This will overwrite $basedev - type Yes to continue!"
+	read x
+	[[ $x = Yes ]] || exit 0
+fi
+
+dksz=$(dkgetsz "$tgt")
+heads=64
+secs=32
+(( cyls = dksz / heads / secs ))
+if (( cyls < (cfgfs + 2) )); then
+	print -u2 "Size of $tgt is $dksz, this looks fishy?"
+	exit 1
+fi
+
+if stat -qs .>/dev/null 2>&1; then
+	statcmd='stat -f %z'	# BSD stat (or so we assume)
+else
+	statcmd='stat -c %s'	# GNU stat
+fi
+
+if ! T=$(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"
+
+if [[ $basedev = /dev/svnd+([0-9]) ]]; then
+	(( quiet )) || print "Creating BSD disklabel on target device..."
+	# c: whole device (must be so)
+	# i: ext2fs (matching first partition)
+	# j: cfgfs (matching second partition)
+	# p: MBR and GRUB2 area (by tradition)
+	cat >"$T/bsdlabel" <<-EOF
+		type: vnd
+		disk: vnd device
+		label: OpenADK
+		flags:
+		bytes/sector: 512
+		sectors/track: $secs
+		tracks/cylinder: $heads
+		sectors/cylinder: $((heads * secs))
+		cylinders: $cyls
+		total sectors: $((cyls * heads * secs))
+		rpm: 3600
+		interleave: 1
+		trackskew: 0
+		cylinderskew: 0
+		headswitch: 0
+		track-to-track seek: 0
+		drivedata: 0
+
+		16 partitions:
+		c: $((cyls * heads * secs)) 0 unused
+		i: $(((cyls - cfgfs) * heads * secs - partofs)) $partofs ext2fs
+		j: $((cfgfs * heads * secs)) $(((cyls - cfgfs) * heads * secs)) unknown
+		p: $partofs 0 unknown
+EOF
+	disklabel -R ${basedev#/dev/} "$T/bsdlabel"
+fi
+
+(( quiet )) || print "Creating ext2fs on ${part}..."
+q=
+(( quiet )) && q=-q
+(( noformat )) || mke2fs $q "$part"
+partuuid=$(tune2fs -l "$part" | sed -n '/^Filesystem UUID:[	 ]*/s///p')
+(( noformat )) || tune2fs -c 0 -i 0 "$part"
+
+(( quiet )) || print Extracting installation archive...
+mount_ext2fs "$part" "$T"
+gzip -dc "$src" | (cd "$T"; tar -xvpf -)
+cd "$T"
+rnddev=/dev/urandom
+[[ -c /dev/arandom ]] && rnddev=/dev/arandom
+dd if=$rnddev bs=16 count=1 >>etc/.rnd 2>/dev/null
+(( quiet )) || print Fixing up permissions...
+chown 0:0 tmp
+chmod 1777 tmp
+chmod 4755 bin/busybox
+[[ -f usr/bin/Xorg ]] && chmod 4755 usr/bin/Xorg
+[[ -f usr/bin/sudo ]] && chmod 4755 usr/bin/sudo
+(( quiet )) || print Configuring GRUB2 bootloader...
+mkdir -p boot/grub
+(
+	print set default=0
+	print set timeout=1
+	if (( serial )); then
+		print serial --unit=0 --speed=$speed
+		print terminal_output serial
+		print terminal_input serial
+		consargs="console=ttyS0,$speed console=tty0"
+	else
+		print terminal_output console
+		print terminal_input console
+		consargs="console=tty0"
+	fi
+	print
+	print 'menuentry "GNU/Linux (OpenADK)" {'
+	linuxargs="root=UUID=$partuuid $consargs"
+	(( panicreboot )) && linuxargs="$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 "${grubfiles[@]}" boot/grub/
+(( quiet )) || print Finishing up...
+cd "$TOPDIR"
+umount "$T"
+
+(( quiet )) || print "\nNote: the rootfs UUID is: $partuuid"
+
+rm -rf "$T"
+exit 0