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41 lines
1.4 KiB
41 lines
1.4 KiB
#!/bin/sh
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# This script creates u-boot FIT image containing the kernel and the DT,
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# then signs it using futility from vboot-utils.
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# The resulting file is called uImage.kpart.
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BOARD_DIR=$(dirname $0)/${BOARD_NAME}
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mkimage=$HOST_DIR/bin/mkimage
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futility=$HOST_DIR/bin/futility
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devkeys=$HOST_DIR/share/vboot/devkeys
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run() { echo "$@"; "$@"; }
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die() { echo "$@" >&2; exit 1; }
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test -f $BINARIES_DIR/Image || \
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die "No kernel image found"
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test -x $mkimage || \
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die "No mkimage found (host-uboot-tools has not been built?)"
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test -x $futility || \
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die "No futility found (host-vboot-utils has not been built?)"
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# kernel.its references Image and mt8173-elm.dtb, and all three
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# files must be in current directory for mkimage.
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run cp $BOARD_DIR/kernel.its $BINARIES_DIR/kernel.its || exit 1
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echo "# entering $BINARIES_DIR for the next command"
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(cd $BINARIES_DIR && run $mkimage -f kernel.its uImage.itb) || exit 1
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# futility requires non-empty file to be supplied with --bootloader
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# even if it does not make sense for the target platform.
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echo > $BINARIES_DIR/dummy.txt
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run $futility vbutil_kernel \
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--keyblock $devkeys/kernel.keyblock \
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--signprivate $devkeys/kernel_data_key.vbprivk \
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--arch aarch64 \
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--version 1 \
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--config $BOARD_DIR/kernel.args \
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--vmlinuz $BINARIES_DIR/uImage.itb \
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--bootloader $BINARIES_DIR/dummy.txt \
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--pack $BINARIES_DIR/uImage.kpart || exit 1
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rm -f $BINARIES_DIR/kernel.its $BINARIES_DIR/dummy.txt
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