wok annotate BootProg/stuff/bootprog.sh @ rev 24531

updated osip and osip-dev (5.1.1 -> 5.3.0)
author Hans-G?nter Theisgen
date Wed Feb 23 09:00:20 2022 +0100 (2022-02-23)
parents
children d1f31f5f6401
rev   line source
pascal@24476 1 #!/bin/sh
pascal@24476 2
pascal@24476 3 [ ! -e "$1" ] && cat <<EOT && exit 2
pascal@24476 4 Usage: [FAT=<FAT12|FAT16|FAT32|EXFAT>] $0 device [boot name entry] [boot.bin]
pascal@24476 5 Example: $0 /dev/fd0 STARTUP.BIN
pascal@24476 6 EOT
pascal@24476 7
pascal@24476 8 while read chk ofs fat bin name; do
pascal@24476 9 [ $FAT -eq $fat ] || [ "$(dd if="$1" bs=1 count=8 skip=$chk)" = "$fat " ] || continue
pascal@24476 10 echo "Install $fat bootsector on $1."
pascal@24476 11 for arg in "skip=$(($ofs+8)) seek=$(($ofs+8))" "count=11" ; do
pascal@24476 12 if [ "$3" ]; then
pascal@24476 13 cat "$3"
pascal@24476 14 else
pascal@24476 15 sed '1,/^exit 1/d' $0 | tar xzOf - boot$bin.bin
pascal@24476 16 fi | dd of="$1" bs=1 conv=notrunc $arg
pascal@24476 17 done
pascal@24476 18 [ "$2" ] && echo "Set bootfile '$2'" && echo -en "$name" | \
pascal@24476 19 dd of="$1" bs=1 conv=notrunc seek=499 count=11
pascal@24476 20 case "$fat" in
pascal@24476 21 EXFAT) dd if="$1" bs=512 count=11 | od -v -An -t u1 -w1 - | awk '
pascal@24476 22 BEGIN { chk=0; i=-1 }
pascal@24476 23 {
pascal@24476 24 i++
pascal@24476 25 if (i == 106 || i == 107 || i == 112) next
pascal@24476 26 chk = or(lshift(chk,31),rshift(chk,1)) + $1
pascal@24476 27 }
pascal@24476 28 END { a=chk%256; b=(chk/256)%256; c=(chk/256/256)%256; d=chk/256/256/256
pascal@24476 29 for (i=0;i<128;i++) printf "echo -en \"\\x%02X\\x%02X\\x%02X\\x%02X\"\n",a,b,c,d
pascal@24476 30 } ' | sh | dd bs=512 of="$1" seek=11
pascal@24476 31 esac
pascal@24476 32 exit 0
pascal@24476 33 done 2> /dev/null <<EOT
pascal@24476 34 54 54 FAT12 16 $(A="${2/./ }";echo "${A:0:8}${A##* } " | tr '[a-z]' '[A-Z]' | sed 's| |\\\\x20|g')
pascal@24476 35 54 54 FAT16 16 $(A="${2/./ }";echo "${A:0:8}${A##* } " | tr '[a-z]' '[A-Z]' | sed 's| |\\\\x20|g')
pascal@24476 36 82 82 FAT32 32 $(A="${2/./ }";echo "${A:0:8}${A##* } " | tr '[a-z]' '[A-Z]' | sed 's| |\\\\x20|g')
pascal@24476 37 3 105 EXFAT ex $(echo "$2" | sed 's| |.|;s| ||g')\\\\0\\\\0\\\\0\\\\0\\\\0\\\\0\\\\0\\\\0\\\\0\\\\0
pascal@24476 38 EOT
pascal@24476 39 exit 1