gba-link-connection/examples/LinkWirelessMultiboot_demo/scripts/package.sh
2024-06-01 21:43:06 -03:00

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#!/bin/bash
FILE_INPUT="LinkWirelessMultiboot_demo.gba"
FILE_TMP="LinkWirelessMultiboot_demo.tmp.gba"
FILE_OUTPUT="LinkWirelessMultiboot_demo.out.gba"
DATA="content.gbfs"
if [ ! -f "$DATA" ]; then
echo ""
echo "The file $DATA does not exist. Run make import first!"
echo ""
exit 1
fi
KB=$((1024))
MAX_ROM_SIZE_KB=$((32 * $KB - 1))
INITIAL_REQUIRED_SIZE_KB=256
ROM_SIZE=$(wc -c < $FILE_INPUT)
if [ $? -ne 0 ]; then
exit 1
fi
GBFS_SIZE=$(wc -c < $DATA)
if [ $? -ne 0 ]; then
exit 1
fi
ROM_SIZE_KB=$(($ROM_SIZE / $KB))
GBFS_SIZE_KB=$(($GBFS_SIZE / $KB))
MAX_REQUIRED_SIZE_KB=$(($MAX_ROM_SIZE_KB - $GBFS_SIZE_KB))
if (( $MAX_REQUIRED_SIZE_KB < $ROM_SIZE_KB )); then
echo ""
echo "[!] ERROR:"
echo "GBFS file too big."
echo ""
echo "GBFS_SIZE_KB=$GBFS_SIZE_KB"
echo "ROM_SIZE_KB=$ROM_SIZE_KB"
echo "(MAX_ROM_SIZE_KB=$MAX_ROM_SIZE_KB)"
echo ""
exit 1
fi
REQUIRED_SIZE_KB=$(($INITIAL_REQUIRED_SIZE_KB > $MAX_REQUIRED_SIZE_KB ? $MAX_REQUIRED_SIZE_KB : $INITIAL_REQUIRED_SIZE_KB))
PAD_NEEDED=$((($REQUIRED_SIZE_KB * $KB) - $ROM_SIZE))
cp $FILE_INPUT $FILE_TMP
if [ $? -ne 0 ]; then
exit 1
fi
dd if=/dev/zero bs=1 count=$PAD_NEEDED >> $FILE_TMP
if [ $? -ne 0 ]; then
exit 1
fi
cat $FILE_TMP $DATA > $FILE_OUTPUT
if [ $? -ne 0 ]; then
exit 1
fi
rm $FILE_TMP