wok view syslinux/stuff/iso2exe/iso2exe.sh @ rev 14267

syslinux/iso2exe: add boot error message
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Apr 02 08:37:23 2013 +0200 (2013-04-02)
parents ff85ea851c53
children 19258b949c1b
line source
1 #!/bin/sh
2
3 ddq()
4 {
5 dd $@ 2> /dev/null
6 }
7
8 store()
9 {
10 n=$2; for i in $(seq 8 8 ${4:-16}); do
11 printf '\\\\x%02X' $(($n & 255))
12 n=$(($n >> 8))
13 done | xargs echo -en | ddq bs=1 conv=notrunc of=$3 seek=$(($1))
14 }
15
16 get()
17 {
18 echo $(od -j $(($1)) -N ${3:-2} -t u${3:-2} -An $2)
19 }
20
21 add_rootfs()
22 {
23 TMP=/tmp/iso2exe$$
24 mkdir -p $TMP/bin $TMP/dev
25 cp -a /dev/?d?* $TMP/dev
26 $0 --get init > $TMP/init.exe
27 grep -q mount.posixovl.iso2exe $TMP/init.exe &&
28 cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe \
29 2> /dev/null && echo "Store mount.posixovl..."
30 find $TMP -type f | xargs chmod +x
31 ( cd $TMP ; find * | cpio -o -H newc ) | \
32 lzma e $TMP/rootfs.gz -si 2> /dev/null
33 SIZE=$(wc -c < $TMP/rootfs.gz)
34 store 24 $SIZE $1
35 OFS=$(( $OFS - $SIZE ))
36 printf "Adding rootfs.gz file at %04X...\n" $OFS
37 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc
38 rm -rf $TMP
39 }
40
41 add_dosexe()
42 {
43 OFS=$((0x7EE0))
44 printf "Adding DOS/EXE at %04X...\n" $OFS
45 $0 --get bootiso.bin 2> /dev/null | \
46 ddq bs=1 skip=$OFS of=$1 seek=$OFS conv=notrunc
47 }
48
49 add_doscom()
50 {
51 SIZE=$($0 --get boot.com | wc -c)
52 OFS=$(( $OFS - $SIZE ))
53 printf "Adding DOS boot file at %04X...\n" $OFS
54 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc
55 store 66 $(($OFS+0xC0)) $1
56 }
57
58 add_win32exe()
59 {
60 printf "Adding WIN32 file at %04X...\n" 0
61 ddq if=/tmp/exe$$ of=$1 conv=notrunc
62 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
63 ddq if=/tmp/exe$$ of=$1 conv=notrunc
64 printf "Adding bootiso head at %04X...\n" 0
65 $0 --get bootiso.bin 2> /dev/null > /tmp/exe$$
66 ddq if=/tmp/exe$$ of=$1 bs=128 count=1 conv=notrunc
67 store $((0x94)) $((0xE0 - 12*8)) $1
68 store $((0xF4)) $((16 - 12)) $1
69 ddq if=$1 of=/tmp/coff$$ bs=1 skip=$((0x178)) count=$((0x88))
70 ddq if=/tmp/coff$$ of=$1 conv=notrunc bs=1 seek=$((0x178 - 12*8))
71 ddq if=/tmp/exe$$ of=$1 bs=1 count=30 seek=$((0x1A0)) skip=$((0x1A0)) conv=notrunc
72 ddq if=$2 bs=1 skip=$((0x1BE)) seek=$((0x1BE)) count=66 of=$1 conv=notrunc
73 store 69 $(($SIZE/512)) $1 8
74 store 510 $((0xAA55)) $1
75 rm -f /tmp/exe$$ /tmp/coff$$
76 printf "Moving syslinux hybrid boot record at %04X ...\n" $SIZE
77 ddq if=$2 bs=1 count=512 of=$1 seek=$SIZE conv=notrunc
78 OFS=$(($SIZE+512))
79 }
80
81 add_fdbootstrap()
82 {
83 SIZE=$($0 --get bootfd.bin 2> /dev/null | tee /tmp/exe$$ | wc -c)
84 if [ $SIZE -ne 0 ]; then
85 OFS=$(( $OFS - $SIZE ))
86 printf "Adding floppy bootstrap file at %04X...\n" $OFS
87 $0 --get bootfd.bin | ddq of=$1 bs=1 seek=$OFS conv=notrunc
88 store 28 $(($SIZE/512)) $1 8
89 fi
90 }
91 case "$1" in
92 --build)
93 shift
94 ls -l $@
95 cat >> $0 <<EOM
96 $(tar cf - $@ | lzma e -si -so | uuencode -m -)
97 EOT
98 EOM
99 sed -i '/^case/,/^esac/d' $0
100 exit ;;
101 --get)
102 cat $2
103 exit ;;
104 --array)
105 DATA=/tmp/dataiso$$
106 ddq if=/dev/zero bs=32k count=1 of=$DATA
107 add_win32exe $DATA $2 > /dev/null
108 HSZ=$OFS
109 add_dosexe $DATA > /dev/null
110 add_rootfs $DATA > /dev/null
111 add_doscom $DATA > /dev/null
112 add_fdbootstrap $DATA > /dev/null
113 name=${3:-bootiso}
114 cat <<EOT
115
116 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $((0x8000 - $OFS + $HSZ))
117
118 #ifdef WIN32
119 static char $name[] = {
120 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
121 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
122 };
123 #endif
124 EOT
125 rm -rf $DATA
126 exit ;;
127 --exe)
128 # --exe mvcom.bin x.com y.exe > xy.exe
129 cat $4 $3 > /tmp/exe$$
130 S=$(stat -c %s /tmp/exe$$)
131 store 2 $(($S%512)) /tmp/exe$$
132 store 4 $((($S+511)/512)) /tmp/exe$$
133 store 14 -16 /tmp/exe$$
134 store 16 -2 /tmp/exe$$
135 store 20 256 /tmp/exe$$
136 store 22 -16 /tmp/exe$$
137 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc
138 store 65 $(stat -c %s $3) /tmp/exe$$
139 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
140 cat /tmp/exe$$
141 rm -f /tmp/exe$$
142 exit ;;
143 esac
144
145 main()
146 {
147 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty
148 case "$1" in
149 --get) shift
150 uudecode | unlzma | tar xOf - $@
151 exit ;;
152 *) cat > /dev/null
153 esac
154
155 [ ! -s "$1" ] && echo "usage: $0 image.iso" 1>&2 && exit 1
156 case "$(get 0 $1)" in
157 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
158 0) [ -x /usr/bin/isohybrid ] && isohybrid $1 && echo "Do isohybrid"
159 esac
160
161 echo "Read hybrid & tazlito data..."
162 ddq if=$1 bs=512 count=1 of=/tmp/hybrid$$
163 ddq if=$1 bs=512 skip=2 count=20 of=/tmp/tazlito$$
164 add_win32exe $1 /tmp/hybrid$$
165 printf "Moving tazlito data record at %04X ...\n" $OFS
166 ddq if=/tmp/tazlito$$ bs=1 count=512 of=$1 seek=$OFS conv=notrunc
167 rm -f /tmp/tazlito$$ /tmp/hybrid$$
168
169 # keep the largest room for the tazlito info file
170 add_dosexe $1
171 add_rootfs $1
172 add_doscom $1
173 add_fdbootstrap $1
174 store 26 ${RANDOM:-0} $1
175 i=66
176 n=0
177 echo -n "Adding checksum..."
178 while [ $i -lt 32768 ]; do
179 n=$(($n + $(get $i $1) ))
180 i=$(($i + 2))
181 done
182 store 64 -$n $1
183 echo " done."
184 }
185
186 main $@ <<EOT