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https://github.com/vyos/vyos-build.git
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09eedb0dcc
The logic of generating the required firmware file name has been moved from build-linux-firmware.sh directly into list-required-firmware.py which makes much more sense. That move was made by Daniil Baturin - I only did the integration part. Thanks!
88 lines
2.6 KiB
Bash
Executable File
88 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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# This script will use "list-required-firmware" to scan the kernel source repository
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# in combination with its configuration file which drivers are compiled. Some of those
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# drivers require proprietary firmware.
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#
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# All selected drivers are then precomfiled "make drivers/foo/bar.i" and we grep for
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# the magic word "UNIQUE_ID_firmware" which identifies firmware files.
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CWD=$(pwd)
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LINUX_SRC="linux"
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LINUX_FIRMWARE="linux-firmware"
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KERNEL_VAR_FILE=${CWD}/kernel-vars
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# Some firmware files might not be easy to extract (e.g. Intel iwlwifi drivers)
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# thus we simply ammend them "manually"
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ADD_FW_FILES="iwlwifi*"
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if [ ! -d ${LINUX_SRC} ]; then
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echo "Kernel source missing"
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exit 1
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fi
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if [ ! -d ${LINUX_FIRMWARE} ]; then
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echo "Linux firmware repository missing"
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exit 1
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fi
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. ${KERNEL_VAR_FILE}
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result=()
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# Retrieve firmware blobs from source files
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cd ${LINUX_SRC}
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FW_FILES=$(../list-required-firmware.py -c ../x86_64_vyos_defconfig -s drivers/net 2>/dev/null)
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# Debian package will use the descriptive Git commit as version
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GIT_COMMIT=$(cd ${CWD}/${LINUX_FIRMWARE}; git describe --always)
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VYOS_FIRMWARE_NAME="vyos-linux-firmware"
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VYOS_FIRMWARE_DIR="${CWD}/${VYOS_FIRMWARE_NAME}_${GIT_COMMIT}-0_all"
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if [ -d ${VYOS_FIRMWARE_DIR} ]; then
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# remove Debian package folder and deb file from previous runs
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rm -rf ${VYOS_FIRMWARE_DIR}*
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fi
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mkdir -p ${VYOS_FIRMWARE_DIR}
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# Copy firmware file from linux firmware repository into
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# assembly folder for the vyos-firmware package
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SED_REPLACE="s@${CWD}/${LINUX_FIRMWARE}/@@"
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for FW_PATH in ${FW_FILES}; do
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FW_FILE=$(basename $FW_PATH)
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res=()
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for tmp in $(find ${CWD}/linux-firmware -type f -name ${FW_FILE} | sed -e ${SED_REPLACE})
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do
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res+=( "$tmp" )
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done
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for FILE in ${res[@]}; do
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FW_DIR="${VYOS_FIRMWARE_DIR}/lib/firmware/$(dirname ${FILE})"
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mkdir -p ${FW_DIR}
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echo "I: install firmware: ${FILE}"
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cp ${CWD}/linux-firmware/${FILE} ${FW_DIR}
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done
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done
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# Install additional firmware files that could not be autodiscovered
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for FW in ${ADD_FW_FILES}
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do
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FW_DIR="${VYOS_FIRMWARE_DIR}/lib/firmware/$(dirname ${FW})"
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mkdir -p ${FW_DIR}
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echo "I: install firmware: ${FW}"
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cp ${CWD}/linux-firmware/${FW} ${FW_DIR}
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done
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# Describe Debian package
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mkdir ${VYOS_FIRMWARE_DIR}/DEBIAN
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cat << EOF >${VYOS_FIRMWARE_DIR}/DEBIAN/control
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Package: ${VYOS_FIRMWARE_NAME}
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Version: ${GIT_COMMIT}
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Section: kernel
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Priority: extra
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Architecture: all
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Maintainer: VyOS Package Maintainers <maintainers@vyos.net>
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Description: Firmware blobs for use with the Linux kernel
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EOF
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# Build Debian package
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fakeroot dpkg-deb --build ${VYOS_FIRMWARE_DIR}
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