mirror of
https://github.com/c3d/DB48X-on-DM42.git
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73 lines
1 KiB
Bash
Executable file
73 lines
1 KiB
Bash
Executable file
#!/bin/bash
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bin=$1
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pgm=$2
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# -- Functions ------------
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checkutils() {
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e=0
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for p in "$@"; do
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type $p > /dev/null 2>&1
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if [ $? != 0 ]; then
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e=1
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echo "ERROR: Missing required utility $p"
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fi
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done
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if [ $e != 0 ]; then
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exit 1
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fi
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}
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# Convert hex digits to uint32_t
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toint() {
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local x
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x=`printf "%08x" "0x$1" |
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sed -e 's|\(..\)|\1@|g' | tr '@' '\012' | tac | tr -d '\012' |
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sed -e 's|\(..\)|@\1|g' | sed -e 's|@|\\\x|g'`
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printf "$x"
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}
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toint8() {
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local x
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x=`printf "$1" | sed -e 's|\(..\)|@\1|g' | sed -e 's|@|\\\x|g'`
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printf "$x"
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}
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dumppgm() {
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(
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dd if=$bin bs=4 count=1
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toint $hexsz
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dd if=$bin bs=4 skip=2
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) 2>/dev/null
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}
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# -- MAIN ------------------
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checkutils sha1sum sed tac dd printf find type wc
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if [ ! -f "$bin" ]; then
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echo "ERROR: Cannot find program binary '$bin'"
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exit 1
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fi
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if [ -z "$pgm" ]; then
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echo "ERROR: Missing destination file name"
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exit 1
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fi
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pgmsz=`cat $bin | wc -c`
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hexsz=`printf "%08x" $pgmsz`
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sha=`dumppgm | sha1sum | tr -d ' -'`
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echo "SHA1: $sha"
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(
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dumppgm
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toint8 $sha
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) > $pgm
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