wok annotate syslinux/stuff/iso2exe/init @ rev 13692

syslinux: iso2exe (tiny edits)
author Paul Issott <paul@slitaz.org>
date Thu Dec 13 18:22:00 2012 +0000 (2012-12-13)
parents 7d300004a3b8
children d47403fdd900
rev   line source
pascal@13691 1 #!/bin/sh
pascal@13691 2
pascal@13691 3 DIALOG=dialog
pascal@13691 4
pascal@13691 5 get()
pascal@13691 6 {
pascal@13691 7 od -j $1 -N ${3:-4} -t u${3:-4} -An $2
pascal@13691 8 }
pascal@13691 9
pascal@13691 10 getarg()
pascal@13691 11 {
pascal@13691 12 sed "/$1=/!d;s/.*$1=\\([^ ]*\\).*/\\1/" /proc/cmdline
pascal@13691 13 }
pascal@13691 14
pascal@13691 15 gettazboot()
pascal@13691 16 {
paul@13692 17 echo "Creating $(basename $1) ..."
pascal@13691 18 O=$(($(get 36 /mnt/$ISO 2) - 0xE0))
pascal@13691 19 L=$((0x8000 - $(get 28 /mnt/$ISO 2) - $O))
pascal@13691 20 S=$((32+$L))
pascal@13691 21 P=$((($S+511)/512))
pascal@13691 22 E=$((4096-(32*$P)))
pascal@13691 23 for i in 0x5A4D $(($S%512)) $P 0 2 $E -1 $((${2:-0}-16)) \
pascal@13691 24 -2 0 256 -16 28 0x6C53 0x5469 0x7A61; do
pascal@13691 25 printf '\\\\x%02X\\\\x%02X' $(($i&255)) $((($i>>8)&255)) | \
pascal@13691 26 xargs echo -en
pascal@13691 27 done > $1
pascal@13691 28 dd bs=1 count=$L skip=$(echo $O) if=/mnt/$ISO >> $1 2> /dev/null
pascal@13691 29 }
pascal@13691 30
pascal@13691 31 checkmagic()
pascal@13691 32 {
pascal@13691 33 [ -s $1 ] && [ $(getarg magic) == $(get 28 $1) ]
pascal@13691 34 }
pascal@13691 35
pascal@13691 36 getiso()
pascal@13691 37 {
pascal@13691 38 blkid | while read dev info ; do
pascal@13691 39 case "$info" in
pascal@13691 40 *dos*|*fat*|*ntfs*)
pascal@13691 41 mount ${dev%:} /mnt
pascal@13691 42 if checkmagic /mnt/$ISO; then
pascal@13691 43 mount -o loop,ro /mnt/$ISO /media/cdrom
pascal@13691 44 echo "Found $ISO on ${dev%:}"
pascal@13691 45 break
pascal@13691 46 fi
pascal@13691 47 umount /mnt ;;
pascal@13691 48 esac
pascal@13691 49 done
pascal@13691 50 }
pascal@13691 51
pascal@13691 52 uncpio()
pascal@13691 53 {
pascal@13691 54 echo "Extracting $(basename $1) ..."
pascal@13691 55 case $(get 0 $1 2) in
pascal@13691 56 *35615) zcat $1 ;;
pascal@13691 57 *\ 93) unlzma -c $1 ;;
pascal@13691 58 *) cat $1 ;;
pascal@13691 59 esac | ( cd ${2:-/} ; cpio -idmu > /dev/null 2>&1 )
pascal@13691 60 }
pascal@13691 61
pascal@13691 62 getuuid()
pascal@13691 63 {
pascal@13691 64 dev=$(mount | sed '/ \/mnt /!d;s/ .*//;s|/dev/||;q')
pascal@13691 65 blkid | sed "/$dev:/!d;s/.*UUID=.\\([^ ]*\\)\".*/\\1/"
pascal@13691 66 }
pascal@13691 67
pascal@13691 68 mkinitrd()
pascal@13691 69 {
paul@13692 70 echo "Creating $(basename $1) ..."
pascal@13691 71 for i in bin lib dev proc tmp mnt etc ; do
pascal@13691 72 mkdir -p /tmp/fs/$i
pascal@13691 73 done
pascal@13691 74 for i in /dev/console /dev/null /dev/tty /dev/tty1 /dev/fuse \
pascal@13691 75 /dev/hd* /dev/sd* ; do
pascal@13691 76 cp -a $i /tmp/fs$i
pascal@13691 77 done
pascal@13691 78 for i in /bin/busybox /usr/sbin/mount.posixovl $(which blkid); do
pascal@13691 79 cp $(LD_TRACE_LOADED_OBJECTS=1 /lib/ld*.so $i | \
pascal@13691 80 sed 's|.*=> \(.*/lib/l[^ ]*\).*|\1|;/^\//!d') /tmp/fs/lib
pascal@13691 81 cp $i /tmp/fs/bin
pascal@13691 82 done
pascal@13691 83 cp -a /lib/ld-* /tmp/fs/lib
pascal@13691 84 for i in $(busybox | sed '/Current/,$!d'); do
pascal@13691 85 ln -s busybox /tmp/fs/bin/${i%,}
pascal@13691 86 done
pascal@13691 87 ln -s /proc/mounts /tmp/fs/etc/mtab
pascal@13691 88 cat > /tmp/fs/init <<EOT
pascal@13691 89 #!/bin/sh
pascal@13691 90
pascal@13691 91 arg()
pascal@13691 92 {
pascal@13691 93 grep -q \$1 /proc/cmdline &&
pascal@13691 94 val="\$(sed "s/.*\$1=\\([^ ]*\\).*/\\1/" < /proc/cmdline)" &&
pascal@13691 95 echo "\$2 \$val"
pascal@13691 96 }
pascal@13691 97
pascal@13691 98 mount -t proc /proc /proc
pascal@13691 99 arg mount "Mount device"
pascal@13691 100 mount \$( (blkid /dev/?d* || blkid) | grep \$val | sed 's/:.*//;q') /mnt
pascal@13691 101 arg subroot "Change root to directory"
pascal@13691 102 mount.posixovl /mnt/\$val
pascal@13691 103 mount --bind /mnt /mnt/\$val/mnt/dos
pascal@13691 104 LDSO=\$(ls /mnt/\$val/lib/ld-* | sed q)
pascal@13691 105 umount /proc
pascal@13691 106 export LD_LIBRARY_PATH=\$val/lib:\$val/usr/lib:/lib
pascal@13691 107 exec /bin/switch_root /mnt \${LDSO#/mnt/} \$val/usr/sbin/chroot \$val /sbin/init
pascal@13691 108 EOT
pascal@13691 109 chmod +x /tmp/fs/init
pascal@13691 110 ( cd /tmp/fs ; find * | cpio -o -H newc ) | lzma e $1 -si 2> /dev/null
pascal@13691 111 rm -rf /tmp/fs
pascal@13691 112 }
pascal@13691 113
pascal@13691 114 doinstall()
pascal@13691 115 {
pascal@13691 116 mkdir /mnt/slitaz
pascal@13691 117 mount.posixovl /mnt/slitaz || return
pascal@13691 118 mkdir -p /mnt/slitaz/boot /mnt/slitaz/mnt/dos
pascal@13691 119 for i in $(ls -r /media/cdrom/boot/rootfs*); do
pascal@13691 120 uncpio $i /mnt/slitaz
pascal@13691 121 done
pascal@13691 122 for i in /media/cdrom/boot/bzImage /media/cdrom/boot/*pxe* \
pascal@13691 123 /media/cdrom/boot/isolinux/he* /media/cdrom/boot/isolinux/opt* \
pascal@13691 124 /media/cdrom/README /media/cdrom/boot/memtest* ; do
pascal@13691 125 [ -s $i ] && cp $i /mnt/slitaz/boot
pascal@13691 126 done
pascal@13691 127 umount -d /media/cdrom
pascal@13691 128 gettazboot /mnt/slitaz/boot/tazboot.exe
pascal@13691 129 mkinitrd /mnt/slitaz/boot/initrd
pascal@13691 130 cat > /mnt/slitaz/boot/tazboot.cmd <<EOT
pascal@13691 131 kernel=\\slitaz\\boot\\bzimage
pascal@13691 132 initrd=\\slitaz\\boot\\initrd
pascal@13691 133 rw root=/dev/null mount=$(getuuid) subroot=slitaz autologin
pascal@13691 134 EOT
pascal@13691 135 unix2dos /mnt/slitaz/boot/he* /mnt/slitaz/boot/opt* \
pascal@13691 136 /mnt/slitaz/boot/README /mnt/slitaz/boot/tazboot.cmd
pascal@13691 137 [ -x /mnt/slitaz/usr/sbin/mount.posixovl ] ||
pascal@13691 138 cp /usr/sbin/mount.posixovl /mnt/slitaz/usr/sbin
pascal@13691 139 ! grep -qs tazboot /mnt/boot.ini && cat >> /mnt/boot.ini <<EOT
pascal@13691 140 C:\\slitaz\\boot\\tazboot.exe="SliTaz"
pascal@13691 141 EOT
pascal@13691 142 grep -qs menuitem /mnt/config.sys && !grep -q tazboot /mnt/config.sys &&
pascal@13691 143 sed -i 's/menudefault=/menuitem=slitaz,SliTaz\n&/' /mnt/config.sys &&
pascal@13691 144 cat >> /mnt/config.sys <<EOT
pascal@13691 145 [slitaz]
pascal@13691 146 device=\\slitaz\\boot\\tazboot.exe
pascal@13691 147 EOT
pascal@13691 148 }
pascal@13691 149
pascal@13691 150 install()
pascal@13691 151 {
pascal@13691 152 $DIALOG --clear \
pascal@13691 153 --title " SliTaz UMSDOS like installation " \
pascal@13691 154 --yes-label "Install" --yesno \
pascal@13691 155 "\nSliTaz will be installed in the subdirectory \\slitaz of the current
pascal@13691 156 DOS/Windows partition. You will see your files from /mnt/dos.\n\n
paul@13692 157 You can start SliTaz with \\slitaz\\boot\\tazboot.exe\n\n
pascal@13691 158 To uninstall SliTaz, you have only to remove this directory.
pascal@13691 159 The file \\boot.ini or \\config.sys may be modified too.\n\n
paul@13692 160 To do a traditional installation with disk partitioning -
pascal@13691 161 start SliTaz Live with 'SliTaz RAM boot' menu.\n
pascal@13691 162 " 16 70
pascal@13691 163 [ $? -eq 0 -a -x /usr/sbin/mount.posixovl ] || return
pascal@13691 164 doinstall
pascal@13691 165 umount /proc
pascal@13691 166 exec chroot /mnt/slitaz /sbin/init
pascal@13691 167 }
pascal@13691 168
pascal@13691 169 tazboot()
pascal@13691 170 {
pascal@13691 171 $DIALOG --clear \
pascal@13691 172 --title " SliTaz bootloader for DOS " \
pascal@13691 173 --yes-label "Install" --yesno \
paul@13692 174 "\nThe file TAZBOOT.EXE will be created in the top directory. It supports
paul@13692 175 a bzImage linux kernel, multiple initramfs', a kernel command line and
paul@13692 176 an ISO image file loopback (retrieves files from an ISO file).\n\n
pascal@13691 177 Usage: tazboot.exe [[@commands]|[kernel=<bzimage>]
pascal@13691 178 [initrd=<rootfs>[,<rootfs2>...]] [iso=<isofile>] cmdline args ...]\n\n
paul@13692 179 Defaults: tazboot @tazboot.cmd or tazboot kernel=bzImage auto\n\n\
pascal@13691 180 Examples for tazboot.cmd:\n\n\
pascal@13691 181 iso=\\isos\\slitaz-4.0.iso\n\
pascal@13691 182 kernel=boot/bzImage\n\
pascal@13691 183 initrd=boot/rootfs4.gz,boot/rootfs3.gz,boot/rootfs2.gz,boot/rootfs1.gz\n\
pascal@13691 184 rw root=/dev/null autologin\n\n\
pascal@13691 185 kernel=\\slitaz\\vmlinuz root=/dev/sda5 ro\n\n
pascal@13691 186 Unlike GRUB4DOS, it doesn't require unfragmented ISO image files.\n
pascal@13691 187 " 24 78
pascal@13691 188 [ $? -eq 0 ] || return
pascal@13691 189 gettazboot /mnt/tazboot.exe
pascal@13691 190 }
pascal@13691 191
pascal@13691 192 text()
pascal@13691 193 {
pascal@13691 194 umount -d /media/cdrom
pascal@13691 195 umount /mnt
pascal@13691 196 umount /proc
pascal@13691 197 exec /init
pascal@13691 198 }
pascal@13691 199
pascal@13691 200 live()
pascal@13691 201 {
pascal@13691 202 n=0
pascal@13691 203 for i in $(ls -r /media/cdrom/boot/rootfs*); do
pascal@13691 204 [ $((n++)) -eq 0 ] || uncpio $i
pascal@13691 205 done
pascal@13691 206 text
pascal@13691 207 }
pascal@13691 208
pascal@13691 209 reboot()
pascal@13691 210 {
pascal@13691 211 umount -d /media/cdrom
pascal@13691 212 umount /mnt
pascal@13691 213 /sbin/reboot -f
pascal@13691 214 }
pascal@13691 215
pascal@13691 216 poweroff()
pascal@13691 217 {
pascal@13691 218 umount -d /media/cdrom
pascal@13691 219 umount /mnt
pascal@13691 220 /sbin/poweroff -f
pascal@13691 221 }
pascal@13691 222
pascal@13691 223 [ -x /usr/sbin/mount.posixovl ] ||
pascal@13691 224 mv /usr/sbin/mount.posixovl.iso2exe /usr/sbin/mount.posixovl
pascal@13691 225 mount -t proc /proc /proc
pascal@13691 226 ISO="$(getarg iso | sed 's/.://;s|\\|/|g')"
pascal@13691 227 getiso
pascal@13691 228 case "$(basename $ISO | tr [A-Z] [a-z])$(getarg mode)" in
pascal@13691 229 *install*) install ;;
pascal@13691 230 *live*) live ;;
pascal@13691 231 *text*) text ;;
pascal@13691 232 esac
pascal@13691 233
pascal@13691 234 while true; do
pascal@13691 235 exec 3>&1
pascal@13691 236 value=`$DIALOG --clear \
pascal@13691 237 --title " Welcome to SliTaz " \
pascal@13691 238 --menu "\nPlease select" 15 70 7 \
pascal@13691 239 "live" "SliTaz RAM boot" \
pascal@13691 240 "text" "SliTaz RAM boot (text mode only)" \
pascal@13691 241 "install" "Hard disk installation" \
pascal@13691 242 "tazboot" "Get tazboot.exe Linux loader" \
pascal@13691 243 "reboot" "Restart the computer" \
pascal@13691 244 "poweroff" "Power off" \
pascal@13691 245 "ash" "Shell prompt" \
pascal@13691 246 2>&1 1>&3`
pascal@13691 247 retval=$?
pascal@13691 248 exec 3>&-
pascal@13691 249 [ $retval -eq 0 ] || continue
pascal@13691 250 $value
pascal@13691 251 done