OpenVoiceOS/buildroot-external/board/raspberrypi/post-image.sh

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#!/bin/bash
set -e
BOARD_DIR="$(dirname $0)"
BOARD_NAME="$(basename ${BOARD_DIR})"
GENIMAGE_CFG="${BOARD_DIR}/genimage-${BOARD_NAME}.cfg"
GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
for arg in "$@"
do
case "${arg}" in
--add-pi3-miniuart-bt-overlay)
if ! grep -qE '^dtoverlay=' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
echo "Adding 'dtoverlay=pi3-miniuart-bt' to config.txt (fixes ttyAMA0 serial console)."
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# fixes rpi3 ttyAMA0 serial console
dtoverlay=pi3-miniuart-bt
__EOF__
fi
;;
--aarch64)
# Run a 64bits kernel (armv8)
sed -e '/^kernel=/s,=.*,=Image,' -i "${BINARIES_DIR}/rpi-firmware/config.txt"
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if ! grep -qE '^arm_64bit=1' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
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cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# enable 64bits support
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arm_64bit=1
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__EOF__
fi
# Enable uart console
if ! grep -qE '^enable_uart=1' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# enable rpi3 ttyS0 serial console
enable_uart=1
__EOF__
fi
;;
--gpu_mem_256=*|--gpu_mem_512=*|--gpu_mem_1024=*)
# Set GPU memory
gpu_mem="${arg:2}"
sed -e "/^${gpu_mem%=*}=/s,=.*,=${gpu_mem##*=}," -i "${BINARIES_DIR}/rpi-firmware/config.txt"
;;
esac
done
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# Pass an empty rootpath. genimage makes a full copy of the given rootpath to
# ${GENIMAGE_TMP}/root so passing TARGET_DIR would be a waste of time and disk
# space. We don't rely on genimage to build the rootfs image, just to insert a
# pre-built one in the disk image.
trap 'rm -rf "${ROOTPATH_TMP}"' EXIT
ROOTPATH_TMP="$(mktemp -d)"
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rm -rf "${GENIMAGE_TMP}"
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genimage \
--rootpath "${ROOTPATH_TMP}" \
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--tmppath "${GENIMAGE_TMP}" \
--inputpath "${BINARIES_DIR}" \
--outputpath "${BINARIES_DIR}" \
--config "${GENIMAGE_CFG}"
exit $?