wok annotate syslinux/stuff/iso2exe/iso2exe.sh @ rev 14257

syslinux/iso2exe: check kernel version, add floppy bootstrap stub
author Pascal Bellard <pascal.bellard@slitaz.org>
date Thu Mar 28 11:51:42 2013 +0100 (2013-03-28)
parents a26ba54f3ea7
children 5ed4d6b2d690
rev   line source
pascal@13691 1 #!/bin/sh
pascal@13691 2
pascal@13691 3 ddq()
pascal@13691 4 {
pascal@13691 5 dd $@ 2> /dev/null
pascal@13691 6 }
pascal@13691 7
pascal@13691 8 store()
pascal@13691 9 {
pascal@13691 10 n=$2; for i in $(seq 8 8 ${4:-16}); do
pascal@13691 11 printf '\\\\x%02X' $(($n & 255))
pascal@13691 12 n=$(($n >> 8))
pascal@13691 13 done | xargs echo -en | ddq bs=1 conv=notrunc of=$3 seek=$(($1))
pascal@13691 14 }
pascal@13691 15
pascal@13972 16 get()
pascal@13972 17 {
pascal@13972 18 echo $(od -j $(($1)) -N ${3:-2} -t u${3:-2} -An $2)
pascal@13972 19 }
pascal@13972 20
pascal@14150 21 add_rootfs()
pascal@13691 22 {
pascal@13691 23 TMP=/tmp/iso2exe$$
pascal@13713 24 mkdir -p $TMP/bin $TMP/dev
pascal@13713 25 cp -a /dev/?d?* $TMP/dev
pascal@13691 26 $0 --get init > $TMP/init.exe
pascal@13974 27 grep -q mount.posixovl.iso2exe $TMP/init.exe &&
pascal@13974 28 cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe
pascal@13974 29 find $TMP -type f | xargs chmod +x
pascal@13713 30 ( cd $TMP ; find * | cpio -o -H newc ) | \
pascal@13691 31 lzma e $TMP/rootfs.gz -si 2> /dev/null
pascal@13691 32 SIZE=$(wc -c < $TMP/rootfs.gz)
pascal@13972 33 store 24 $SIZE $1
pascal@13691 34 OFS=$(( 0x8000 - $SIZE ))
paul@13692 35 printf "Adding rootfs.gz file at %04X...\n" $OFS
pascal@13691 36 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13691 37 rm -rf $TMP
pascal@14150 38 }
pascal@14150 39
pascal@14150 40 add_doscom()
pascal@14150 41 {
pascal@13972 42 SIZE=$($0 --get boot.com | wc -c)
pascal@13691 43 OFS=$(( $OFS - $SIZE ))
paul@13692 44 printf "Adding DOS boot file at %04X...\n" $OFS
pascal@13972 45 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13972 46 store 66 $(($OFS+0xC0)) $1
pascal@14150 47 }
pascal@14150 48
pascal@14150 49 add_win32exe()
pascal@14150 50 {
pascal@13974 51 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
pascal@13974 52 if [ $SIZE -ne 0 ]; then
pascal@13974 53 OFS=$(( 128 + ( ($OFS - $SIZE + 128) & 0xFE00 ) ))
pascal@13974 54 printf "Adding WIN32 file at %04X...\n" $OFS
pascal@13974 55 LOC=$((0xAC+$(get 0x94 /tmp/exe$$)))
pascal@13974 56 for i in $(seq 1 $(get 0x86 /tmp/exe$$)); do
pascal@14150 57 CUR=$(get $LOC /tmp/exe$$)
pascal@14150 58 [ $CUR -eq 0 ] || store $LOC $(($CUR+$OFS-128)) /tmp/exe$$
pascal@13974 59 LOC=$(($LOC+40))
pascal@13974 60 done
pascal@13974 61 ddq if=/tmp/exe$$ of=$1 bs=1 skip=128 seek=$OFS conv=notrunc
pascal@14257 62 store 60 $OFS $1
pascal@13974 63 fi
pascal@13972 64 rm -f /tmp/exe$$
pascal@14257 65 }
pascal@14257 66
pascal@14257 67 add_fdbootstrap()
pascal@14257 68 {
pascal@14257 69 SIZE=$($0 --get bootfd.bin 2> /dev/null | tee /tmp/exe$$ | wc -c)
pascal@14257 70 if [ $SIZE -ne 0 ]; then
pascal@14257 71 OFS=$(( $OFS - $SIZE ))
pascal@14257 72 printf "Adding floppy bootstrap file at %04X...\n" $OFS
pascal@14257 73 $0 --get bootfd.bin | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@14257 74 store 28 $(($SIZE/512)) $1 8
pascal@14257 75 fi
pascal@14150 76 }
pascal@14150 77 case "$1" in
pascal@14150 78 --build)
pascal@14150 79 shift
pascal@14150 80 [ $(tar cf - $@ | wc -c) -gt $((32 * 1024)) ] &&
pascal@14257 81 echo "WARNING: The file set $@ is too large (31K max) :" &&
pascal@14257 82 ls -l $@
pascal@14150 83 cat >> $0 <<EOM
pascal@14150 84 $(tar cf - $@ | lzma e -si -so | uuencode -m -)
pascal@14150 85 EOT
pascal@14150 86 EOM
pascal@14150 87 sed -i '/^case/,/^esac/d' $0
pascal@14150 88 exit ;;
pascal@14150 89 --get)
pascal@14150 90 cat $2
pascal@14150 91 exit ;;
pascal@14150 92 --array)
pascal@14150 93 DATA=/tmp/dataiso$$
pascal@14150 94 ddq if=/dev/zero bs=32k count=1 of=$DATA
pascal@14150 95 ddq if=bootiso.bin of=$DATA conv=notrunc
pascal@14150 96 ddq if=$2 of=$DATA bs=512 seek=1 conv=notrunc
pascal@14150 97 add_rootfs $DATA > /dev/null
pascal@14150 98 add_doscom $DATA > /dev/null
pascal@14150 99 add_win32exe $DATA > /dev/null
pascal@14257 100 add_fdbootstrap $DATA > /dev/null
pascal@14257 101 name=${3:-bootiso}
pascal@14150 102 cat <<EOT
pascal@14150 103
pascal@14257 104 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $((0x8400 - $OFS))
pascal@14150 105
pascal@14150 106 #ifdef WIN32
pascal@14257 107 static char $name[] = {
pascal@14150 108 $(hexdump -v -n 1024 -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@14150 109 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@14150 110 };
pascal@14150 111 #endif
pascal@14150 112 EOT
pascal@14150 113 rm -rf $DATA
pascal@14150 114 exit ;;
pascal@14150 115 --exe)
pascal@14150 116 # --exe mvcom.bin x.com y.exe > xy.exe
pascal@14150 117 cat $4 $3 > /tmp/exe$$
pascal@14150 118 S=$(stat -c %s /tmp/exe$$)
pascal@14150 119 store 2 $(($S%512)) /tmp/exe$$
pascal@14150 120 store 4 $((($S+511)/512)) /tmp/exe$$
pascal@14150 121 store 14 -16 /tmp/exe$$
pascal@14150 122 store 16 -2 /tmp/exe$$
pascal@14150 123 store 20 256 /tmp/exe$$
pascal@14150 124 store 22 -16 /tmp/exe$$
pascal@14150 125 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc
pascal@14150 126 store 65 $(stat -c %s $3) /tmp/exe$$
pascal@14150 127 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
pascal@14150 128 cat /tmp/exe$$
pascal@14150 129 rm -f /tmp/exe$$
pascal@14150 130 exit ;;
pascal@14150 131 esac
pascal@14150 132
pascal@14150 133 main()
pascal@14150 134 {
pascal@14257 135 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty
pascal@14150 136 case "$1" in
pascal@14150 137 --get) shift
pascal@14150 138 uudecode | unlzma | tar xOf - $@
pascal@14150 139 exit ;;
pascal@14150 140 *) cat > /dev/null
pascal@14150 141 esac
pascal@14150 142
pascal@14150 143 [ ! -s "$1" ] && echo "usage: $0 image.iso" 1>&2 && exit 1
pascal@14150 144 case "$(get 0 $1)" in
pascal@14150 145 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
pascal@14150 146 0) [ -x /usr/bin/isohybrid ] && isohybrid $1
pascal@14150 147 esac
pascal@14150 148
pascal@14150 149 echo "Moving syslinux hybrid boot record..."
pascal@14150 150 ddq if=$1 bs=512 count=1 | ddq of=$1 bs=512 count=1 seek=1 conv=notrunc
pascal@14150 151
pascal@14150 152 echo "Inserting EXE boot record..."
pascal@14150 153 $0 --get bootiso.bin | ddq of=$1 conv=notrunc
pascal@14150 154
pascal@14150 155 # keep the largest room for the tazlito info file
pascal@14150 156 add_rootfs $1
pascal@14150 157 add_doscom $1
pascal@14150 158 add_win32exe $1
pascal@14257 159 add_fdbootstrap $1
pascal@13972 160 store 26 ${RANDOM:-0} $1
pascal@13974 161 i=66
pascal@13697 162 n=0
pascal@13697 163 echo -n "Adding checksum..."
pascal@13697 164 while [ $i -lt 32768 ]; do
pascal@13972 165 n=$(($n + $(get $i $1) ))
pascal@13697 166 i=$(($i + 2))
pascal@13697 167 done
pascal@13972 168 store 64 -$n $1
pascal@13697 169 echo " done."
pascal@13691 170 }
pascal@13691 171
pascal@13691 172 main $@ <<EOT