wok annotate BootProg/stuff/bootprog.sh @ rev 25564

Up memtest (6.20)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Thu May 11 15:58:49 2023 +0000 (16 months ago)
parents 2155b2665e26
children 82a123e54615
rev   line source
pascal@24476 1 #!/bin/sh
pascal@25485 2 p=/tmp/bp$$;sed '1,2d' $0|unlzma>$p;sh $p $0 "$@";s=$?;rm $p;exit $s
pascal@25485 3 set -- "$2" "${3:-startup.bin}" $1
pascal@25454 4 [ ! -e "$1" ] && cat<<S && exit 2
pascal@25485 5 Usage: [FS=<FAT12|FAT16|FAT32|EXFAT>] $3 device [file]
pascal@25485 6 Example: $3 /dev/fd0 $1
pascal@25454 7 S
pascal@25454 8 r="dd if=$1 count"
pascal@25454 9 w="dd of=$1 bs=1 conv=notrunc seek"
pascal@25485 10 while read c o b s f
pascal@25463 11 do [ "${FS:-$($r=5 bs=1 skip=$c)}" = "$f" ] || continue
pascal@24942 12 echo "Install $f bootsector on $1."
pascal@25485 13 for a in "$o skip=$((o+b)) count=$((s-o))" "0 skip=$b count=11"
pascal@25485 14 do sed '1,/^exit/d' $0 | $w=$a; done
pascal@25456 15 echo -n $f | $w=$c
pascal@25463 16 echo "Set boot file $2" && echo -n "$2" | case "$f" in
pascal@24942 17 E*) sed 's| |.|;s| ||g' | cat - /dev/zero;;
pascal@24942 18 *) tr a-z A-Z | sed 's|\.| |;s|^\(.\{8\}\) *|\1|;s|$| |'
pascal@25454 19 esac | $w=499 count=11
pascal@25454 20 case "$f" in
pascal@25485 21 *32) $w=$(($(od -An -j50 -N2 -d $1)<<9)) if=$1 count=$s;;
pascal@25564 22 E*) $r=11 bs=1b | od -vAn -tu1 -w1 - | LANG=C awk '
pascal@25564 23 { if (++i!=107 && i!=108 && i!=113) a=or(lshift(and(a,1),31),$1+a/2) }
pascal@25454 24 END { b=a/256;c=b/256; for (;i>0;i-=44) printf "%c%c%c%c",a%256,b%256,c%256,(c/256)%256 }' | $w=5632
pascal@25454 25 esac
pascal@24476 26 exit 0
pascal@25454 27 done<<S 2>/dev/null
pascal@25485 28 54 59 0 512 FAT12
pascal@25564 29 54 59 512 512 FAT16
pascal@25564 30 3 113 1024 512 EXFAT
pascal@25564 31 82 87 1536 FAT32SZ FAT32
pascal@25454 32 S
pascal@24476 33 exit 1