mirror of
https://github.com/gtxaspec/wz_mini_hacks.git
synced 2024-09-19 16:01:31 +00:00
42 lines
1.3 KiB
Bash
Executable File
42 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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#custom for V2
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ACTION=$1
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KERNEL_OFFSET=$((64))
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ROOTFS_OFFSET=$((2097216))
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DRIVER_OFFSET=$((5570624))
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APPFS_OFFSET=$((6225984))
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if [ "$ACTION" = "unpack" ]; then
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DEMO_IN=$2
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OUT_DIR=$3
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dd if=${DEMO_IN} of=$OUT_DIR/kernel.bin skip=$KERNEL_OFFSET count=$(($ROOTFS_OFFSET-$KERNEL_OFFSET)) bs=1
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md5sum $OUT_DIR/kernel.bin
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dd if=${DEMO_IN} of=$OUT_DIR/rootfs.bin skip=$ROOTFS_OFFSET count=$(($DRIVER_OFFSET-$ROOTFS_OFFSET)) bs=1
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md5sum $OUT_DIR/rootfs.bin
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dd if=${DEMO_IN} of=$OUT_DIR/driver.bin skip=$DRIVER_OFFSET count=$(($APPFS_OFFSET-$DRIVER_OFFSET)) bs=1
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md5sum $OUT_DIR/driver.bin
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IMAGE_END=$(($(stat -c %s ${DEMO_IN})))
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dd if=${DEMO_IN} of=$OUT_DIR/appfs.bin skip=$APPFS_OFFSET count=$(($IMAGE_END-$APPFS_OFFSET)) bs=1
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md5sum $OUT_DIR/appfs.bin
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elif [ "$ACTION" = "pack" ]; then
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TMP_DIR=$2
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DEMO_OUT=$3
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#need to pad kernel is its smaller than the stock kernel size, 2097152 bytes
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dd if=/dev/zero of=$TMP_DIR/kernel.bin bs=1 count=1 seek=2097151
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cat $TMP_DIR/kernel.bin $TMP_DIR/rootfs.bin $TMP_DIR/driver.bin $TMP_DIR/appfs.bin > $TMP_DIR/flash.bin
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mkimage -A MIPS -O linux -T firmware -C none -a 0 -e 0 -n jz_fw -d $TMP_DIR/flash.bin $DEMO_OUT
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else
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echo "Unknown action '$ACTION'"
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fi
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