93 lines
2.1 KiB
Bash
Executable File
93 lines
2.1 KiB
Bash
Executable File
#! @bash@/bin/sh -e
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shopt -s nullglob
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export PATH=/empty:@path@
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usage() {
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echo "usage: $0 -c <path-to-default-configuration> [-d <firmware-dir>] [-r]" >&2
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exit 1
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}
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default= # Default configuration
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target=/boot/firmware # Firmware target directory
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while getopts "c:d:r" opt; do
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case "$opt" in
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c) default="$OPTARG" ;;
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d) target="$OPTARG" ;;
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r) useVendorDeviceTree=1 ;;
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\?) usage ;;
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esac
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done
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# Copy a file from the Nix store to $target.
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declare -A filesCopied
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copyForced() {
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local src="$1"
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local dst="$2"
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cp $src $dst.tmp
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mv $dst.tmp $dst
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}
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# Add the firmware files
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# fwdir=@firmware@/share/raspberrypi/boot/
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SRC_FIRMWARE_DIR=@firmware@/share/raspberrypi/boot
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dtb_path=$SRC_FIRMWARE_DIR
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echo "copying firmware..."
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# Device Tree
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useVendorDeviceTree=1
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if [ -n "$useVendorDeviceTree" ]; then
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echo -n "using vendor firmware from "
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dtb_path=$SRC_FIRMWARE_DIR
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else
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echo -n "using default generation's kernel device tree binaries: "
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dtb_path=$(readlink -f $default/dtbs)
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fi
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echo $dtb_path
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DTBS=("$dtb_path"/*.dtb)
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echo "dtbs all: $DTBS"
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for dtb in "${DTBS[@]}"; do
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# for dtb in $dtb_path/broadcom/*.dtb; do
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dst="$target/$(basename $dtb)"
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copyForced $dtb "$dst"
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filesCopied[$dst]=1
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done
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SRC_OVERLAYS_DIR="$dtb_path/overlays"
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SRC_OVERLAYS=("$SRC_OVERLAYS_DIR"/*)
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mkdir -p $target/overlays
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for ovr in "${SRC_OVERLAYS[@]}"; do
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# for ovr in $dtb_path/overlays/*; do
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dst="$target/overlays/$(basename $ovr)"
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copyForced $ovr "$dst"
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filesCopied[$dst]=1
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done
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# remove obsolete device tree files
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for fn in $target/*.dtb $target/overlays/*; do
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if ! test "${filesCopied[$fn]}" = 1; then
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rm -vf -- "$fn"
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fi
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done
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# Boot code
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STARTFILES=("$SRC_FIRMWARE_DIR"/start*.elf)
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BOOTCODE="$SRC_FIRMWARE_DIR/bootcode.bin"
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FIXUPS=("$SRC_FIRMWARE_DIR"/fixup*.dat)
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for SRC in "${STARTFILES[@]}" "$BOOTCODE" "${FIXUPS[@]}"; do
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dst="$target/$(basename $SRC)"
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copyForced "$SRC" "$dst"
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done
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echo "copying config.txt..."
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# Add the config.txt
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copyForced @configTxt@ $target/config.txt
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echo "raspberry pi firmware installed" |