SliTaz Repositories

1 #!/bin/sh

2 if [ "$1" == "--build" ]; then

3 set -- ${2:-bootloader.bin} ${3:-unpack.bin}

4 x=$(grep -s packed_syssize$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

5 [ -n "$x" ] && sed -i "s/XXXP/$((513+0x$x))/" $0 || sed -i "/XXXP$/d" $0

6 x=$(grep -s setup_byte$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

7 [ -n "$x" ] && sed -i "s/XXXSB/$((513+0x$x))/" $0 || sed -i "/XXXSB/d" $0

8 x=$(grep -s setup_word$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

9 [ -n "$x" ] && sed -i "s/XXXSW/$((514+0x$x))/" $0 || sed -i "/XXXSW/d" $0

10 x=$(grep -s setup_para$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

11 [ -n "$x" ] && sed -i "s/XXXSP/$((514+0x$x))/" $0 || sed -i "/XXXSP/d" $0

12 x=$(grep -s setup_seg$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

13 [ -n "$x" ] && sed -i "s/XXXSS/$((513+0x$x))/" $0 || sed -i "/XXXSS/d" $0

14 x=$(grep -s setup_keep$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

15 if [ -n "$x" ]; then

16 sed -i "s/XXXK2 //" $0

17 else

18 x=$(grep -s setup_syssize$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

19 if [ -n "$x" ]; then

20 sed -i "s/XXXK2/bs=500 skip=1/" $0

21 else

22 sed -i "s/XXXK2/bs=512 skip=1/" $0

23 fi

24 fi

25 x=$(grep -s double_packed$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

26 [ -n "$x" ] && sed -i "s/| compress /&& 2 /" $0

27 x=$(grep -s update_code32_start$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

28 [ -n "$x" ] && sed -i '/XXXU2/d; s| XXXU1||' $0 || sed -i '/XXXU1/d; s| XXXU2||' $0

29 x=$(grep -s lzsa.block$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

30 [ -n "$x" ] && sed -i 's| XXXR||' $0 || sed -i 's| XXXR| -r|;s|tail -c +4|cat|' $0

31 helpmsg=$(grep -s helpmsg$ ${1/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

32 helpend=$(grep -s helpend$ ${1/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')

33 if [ -n "$helpmsg" ]; then

34 sed -i "s/YYY/$((0x$helpmsg))/" $0

35 sed -i "s/ZZZ/$((0x$helpend-0x$helpmsg))/" $0

36 else

37 sed -i '/YYY/d' $0

38 fi

39 cat >> $0 <<EOM

40 $(dd if=$1 bs=512 count=1 conv=sync 2> /dev/null | cat - $2 | gzip -9 | uuencode -m -)

41 EOT

42 EOM

43 sed -i '/--build/,/^fi/d' $0

44 exit

45 fi

46

47 store()

48 {

49 n=$1

50 for i in $(seq 1 ${4:-2}); do

51 printf '\\\\x%02X' $(($n & 255))

52 n=$(($n >> 8))

53 done | xargs echo -en | dd conv=notrunc bs=1 of=$2 seek=$3

54 }

55

56 bits()

57 {

58 sed "/^#define PROP_$1/!d;s|.*PROP_...||" unlzma.S

59 }

60

61 compress()

62 {

63 case "$PACKER" in

64 lz4) lz4 -l --best | tail -c +5 ;;

65 lzsa1) cat > /tmp/in$$$1 ; lzsa XXXR -f1 /tmp/in$$$1 /tmp/out$$$1 ; tail -c +4 /tmp/out$$$1 ; rm -f /tmp/in$$$1 /tmp/out$$$1 ;;

66 lzsa2) cat > /tmp/in$$$1 ; lzsa XXXR -f2 /tmp/in$$$1 /tmp/out$$$1 ; tail -c +4 /tmp/out$$$1 ; rm -f /tmp/in$$$1 /tmp/out$$$1 ;;

67 *) xz -z -e --format=raw --lzma1=lc=$(bits LC),lp=$(bits LP),pb=$(bits PB) --stdout

68 esac

69 }

70

71 main()

72 {

73 uudecode | gunzip >$2

74 dd if=$1 bs=1 skip=497 seek=497 count=15 of=$2 conv=notrunc

75 setup="$(echo $(od -j 497 -N 1 -dAn $1))"

76 [ $setup -eq 0 ] && setup=4

77 store $setup $2 497 1

78 setup=$((setup+1))

79 store $setup $2 XXXSB 1

80 store $setup $2 XXXSW 1

81 store $((32*setup+0xF000)) $2 XXXSP

82 store $((0x1000 - 32*setup)) $2 XXXSS

83 cp $1 /tmp/un$$ XXXU1

84 store 1 /tmp/un$$ 534 1 XXXU1

85 dd if=/tmp/un$$ XXXK2 | compress >>$2 XXXU1

86 rm -f /tmp/un$$ XXXU1

87 dd if=$1 XXXK2 | compress >>$2 XXXU2

88 size=$(stat -c %s $2)

89 syssize=$(((size-512*setup+15)/16))

90 store $((syssize + 0x1000 + 0x1000)) $2 XXXP

91 store $syssize $2 500

92 store $(((size+511)/512)) $2 4

93 store $(((size+15)/16)) $2 14

94 echo -e "$3" | dd conv=notrunc bs=1 seek=YYY of=$2 count=ZZZ

95 }

96

97 HELP="$(unix2dos <<EOT

98 Plop Boot Manager VERSION

99 EOT

100 )"

101 main $1 ${2:-$1.packed} "${3:-$HELP}" 2>/dev/null <<EOT