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 grep -q BFF401 ${2/.bin/.lst} && sed -i 's/512 skip/500 skip/;s/1000 -/&32 - /' $0

15 grep -q 83C60D ${2/.bin/.lst} && sed -i 's/ | dd bs=1 skip=13//' $0

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

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

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

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

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

21 else

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

23 fi

24 cat >> $0 <<EOM

25 $(dd if=$1 bs=512 count=1 conv=sync 2> /dev/null | cat - $2 | gzip -9 | uuencode -m -)

26 EOT

27 EOM

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

29 exit

30 fi

31

32 store()

33 {

34 n=$1

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

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

37 n=$(($n >> 8))

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

39 }

40

41 bits()

42 {

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

44 }

45

46 compress()

47 {

48 case "$PACKER" in

49 lz4) lz4 -l --best ;;

50 lzsa1) cat > /tmp/in$$ ; lzsa -f1 /tmp/in$$ /tmp/out$$ ; cat /tmp/out$$ ; rm -f /tmp/in$$ /tmp/out$$ ;;

51 lzsa2) cat > /tmp/in$$ ; lzsa -f2 /tmp/in$$ /tmp/out$$ ; cat /tmp/out$$ ; rm -f /tmp/in$$ /tmp/out$$ ;;

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

53 esac

54 }

55

56 main()

57 {

58 uudecode | gunzip >$2

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

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

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

62 store $setup $2 XXXSB 1

63 store $setup $2 XXXSW 1

64 store $((32 * $setup)) $2 XXXSP

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

66 dd if=$1 bs=512 skip=1 | compress >>$2

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

68 syssize=$((($size-512*($setup+1)+15)/16))

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

70 store $syssize $2 500

71 store 4 $2 497 1

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

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

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

75 }

76

77 HELP="$(unix2dos <<EOT

78 Memtest86+ VERSION GPLv2

79 EOT

80 )"

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