coreboot/util/scripts/ucode_h_to_bin.sh

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#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-2-Clause
if [ -z "$1" ] || [ -z "$2" ]; then
printf "Usage: %s <output file> \"<microcode .h files>\"\\n" "$0"
fi
OUTFILE=$1
TMPFILE=$(mktemp microcode_XXXX)
cat > "${TMPFILE}.c" << EOF
#include <stdio.h>
unsigned int microcode[] = {
EOF
include_file() {
if [ "${1: -4}" == ".inc" ]; then
sed '/^;/d' <"$1" | awk '{gsub( /h.*$/, "", $2 ); print "0x" $2 ","; }' \
>> "${TMPFILE}.c"
else
echo "#include \"$1\"" >> "${TMPFILE}.c"
fi
}
for UCODE in ${@:2}; do
if [ -d "$UCODE" ]; then
for f in "$UCODE/"*.inc
do
include_file "$f"
done
else
include_file "$UCODE"
fi
done
cat >> "${TMPFILE}.c" << EOF
};
int main(void)
{
FILE *f = fopen("$OUTFILE", "wb");
fwrite(microcode, sizeof(microcode), 1, f);
fclose(f);
return 0;
}
EOF
gcc -o "$TMPFILE" "${TMPFILE}.c"
[ -f "${TMPFILE}.exe" ] && mv "${TMPFILE}.exe" "$TMPFILE"
"./$TMPFILE"
rm "$TMPFILE" "${TMPFILE}.c"