266 lines
8.0 KiB
Bash
266 lines
8.0 KiB
Bash
# Template file for 'rpi-kernel'
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#
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# We track the latest Raspberry Pi LTS kernel as that is what is used in the
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# official Raspberry Pi OS distribution. This is currently 5.15:
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#
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# https://forums.raspberrypi.com/viewtopic.php?t=322879
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#
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# Commit hash is picked from latest tag [1], if appropriate, or from latest
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# "Merge remote-tracking branch 'stable/linux-5.x.y' into rpi-5.x.y" commit.
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#
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# [1] https://github.com/raspberrypi/linux/tags
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#
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# Upstream documentation: https://www.raspberrypi.com/documentation/computers/linux_kernel.html
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pkgname=rpi-kernel
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version=5.15.72
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revision=1
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_githash="3b98eb7a4aeaecd5274108dc1be7a5df94253500"
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archs="armv6l* armv7l* aarch64*"
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hostmakedepends="perl kmod uboot-mkimage openssl-devel bc bison flex xz"
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makedepends="ncurses-devel"
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maintainer="Piraty <mail@piraty.dev>"
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homepage="http://www.kernel.org"
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license="GPL-2.0-only"
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short_desc="Linux kernel for Raspberry Pi (${version%.*} series [git ${_githash:0:7}])"
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distfiles="https://github.com/raspberrypi/linux/archive/${_githash}.tar.gz"
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checksum=5cad1fd22f309ddd7b996df748aa21ced72f88d47fdbb8d4bfd9ef3a8a9b6ce9
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python_version=3
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_kernver="${version}_${revision}"
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nodebug=yes
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nostrip=yes
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noverifyrdeps=yes
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noshlibprovides=yes
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triggers="kernel-hooks"
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# These files could be modified when an external module is built.
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mutable_files="
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/usr/lib/modules/${_kernver}/modules.dep
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/usr/lib/modules/${_kernver}/modules.dep.bin
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/usr/lib/modules/${_kernver}/modules.symbols
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/usr/lib/modules/${_kernver}/modules.symbols.bin
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/usr/lib/modules/${_kernver}/modules.alias
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/usr/lib/modules/${_kernver}/modules.alias.bin
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/usr/lib/modules/${_kernver}/modules.devname"
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_arch=
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_image_target=
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_image_name=
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case "$XBPS_TARGET_MACHINE" in
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armv6l*) _arch=arm; _image_target=zImage; _image_name=kernel.img ;;
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armv7l*) _arch=arm; _image_target=zImage; _image_name=kernel7.img ;;
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aarch64*) _arch=arm64; _image_target=Image.gz; _image_name=kernel8.img ;;
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esac
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_cross=
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if [ "$CROSS_BUILD" ]; then
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_cross="CROSS_COMPILE=${XBPS_CROSS_TRIPLET}-"
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fi
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do_configure() {
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local target defconfig
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case "$XBPS_TARGET_MACHINE" in
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# for zero, 1
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armv6l*) target=bcmrpi_defconfig ;;
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# for 2
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armv7l*) target=bcm2709_defconfig ;;
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# for 3, 4, zero 2
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aarch64*) target=bcm2711_defconfig ;;
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esac
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defconfig="arch/${_arch}/configs/${target}"
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echo "CONFIG_CONNECTOR=y" >> "$defconfig"
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echo "CONFIG_PROC_EVENTS=y" >> "$defconfig"
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# HID Controllers
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echo "CONFIG_HID_STEAM=y" >> "$defconfig"
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# Disable GCC plugins
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echo "# CONFIG_GCC_PLUGINS is not set" >> "$defconfig"
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# LXD 4.2+ support
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echo "CONFIG_BRIDGE_VLAN_FILTERING=y" >> "$defconfig"
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make ${makejobs} ${_cross} ARCH=${_arch} ${target}
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# Always use our revision to CONFIG_LOCALVERSION to match our pkg version.
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vsed -i -e "s|^\(CONFIG_LOCALVERSION=\).*|\1\"_${revision}\"|" .config
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}
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do_build() {
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make ${makejobs} ${_cross} ARCH=${_arch} prepare
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make ${makejobs} ${_cross} ARCH=${_arch} ${_image_target} modules dtbs
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}
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do_install() {
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local hdrdest="${DESTDIR}/usr/src/${sourcepkg}-headers-${_kernver}"
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# Run depmod after compressing modules.
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vsed -i -e '2iexit 0' scripts/depmod.sh
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# Install kernel, firmware and modules
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make ${makejobs} ARCH=${_arch} INSTALL_MOD_PATH=${DESTDIR} modules_install
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# Install device tree blobs
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make ${makejobs} ARCH=${_arch} INSTALL_DTBS_PATH=${DESTDIR}/boot dtbs_install
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# move dtbs that ended up in /boot/broadcom
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if [ -d "${DESTDIR}/boot/broadcom" ]; then
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mv ${DESTDIR}/boot/broadcom/*dtb ${DESTDIR}/boot
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fi
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# Install kernel image
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vinstall arch/${_arch}/boot/${_image_target} 644 boot ${_image_name}
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# Switch to /usr.
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vmkdir usr
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mv ${DESTDIR}/lib ${DESTDIR}/usr
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cd ${DESTDIR}/usr/lib/modules/${_kernver}
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rm -f source build
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ln -sf ../../../src/${sourcepkg}-headers-${_kernver} build
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cd ${wrksrc}
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# Install required headers to build external modules
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install -Dm644 Makefile ${hdrdest}/Makefile
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install -Dm644 kernel/Makefile ${hdrdest}/kernel/Makefile
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install -Dm644 .config ${hdrdest}/.config
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for file in $(find . -name Kconfig\*); do
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mkdir -p ${hdrdest}/$(dirname $file)
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install -Dm644 $file ${hdrdest}/${file}
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done
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for file in $(find arch/${_arch} scripts -name module.lds -o -name Kbuild.platforms -o -name Platform); do
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mkdir -p ${hdrdest}/$(dirname $file)
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install -Dm644 $file ${hdrdest}/${file}
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done
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mkdir -p ${hdrdest}/include
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# Remove firmware stuff provided by the "linux-firmware" pkg.
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rm -rf ${DESTDIR}/usr/lib/firmware
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for i in acpi asm-generic clocksource config crypto drm dt-bindings generated linux \
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math-emu media net pcmcia scsi sound trace uapi vdso video xen; do
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[ -d include/$i ] && cp -a include/$i ${hdrdest}/include
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done
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cd ${wrksrc}
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# Remove helper binaries built for host,
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# if generated files from the scripts/ directory need to be included,
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# they need to be copied to ${hdrdest} before this step
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if [ "$CROSS_BUILD" ]; then
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make ${makejobs} ARCH=${_arch} _mrproper_scripts
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# remove host specific objects as well
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find scripts -name '*.o' -delete
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fi
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# Copy files necessary for later builds.
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cp Module.symvers ${hdrdest}
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cp -a scripts ${hdrdest}
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mkdir -p ${hdrdest}/security/selinux
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cp -a security/selinux/include ${hdrdest}/security/selinux
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mkdir -p ${hdrdest}/tools/include
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cp -a tools/include/tools ${hdrdest}/tools/include
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if [ -d "arch/${_arch}/tools" ]; then
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cp -a arch/${_arch}/tools ${hdrdest}/arch/${_arch}
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fi
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# copy arch includes for external modules
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mkdir -p ${hdrdest}/arch/${_arch}
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cp -a arch/${_arch}/include ${hdrdest}/arch/${_arch}
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mkdir -p ${hdrdest}/arch/${_arch}/kernel
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cp arch/${_arch}/Makefile ${hdrdest}/arch/${_arch}
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cp arch/${_arch}/kernel/asm-offsets.s ${hdrdest}/arch/${_arch}/kernel
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if [ "$_arch" = "arm64" ] ; then
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cp -a arch/${_arch}/kernel/vdso ${hdrdest}/arch/${_arch}/kernel/
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fi
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# Add md headers
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mkdir -p ${hdrdest}/drivers/md
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cp drivers/md/*.h ${hdrdest}/drivers/md
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# Add inotify.h
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mkdir -p ${hdrdest}/include/linux
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cp include/linux/inotify.h ${hdrdest}/include/linux
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# Add wireless headers
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mkdir -p ${hdrdest}/net/mac80211/
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cp net/mac80211/*.h ${hdrdest}/net/mac80211
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# Remove unneeded architectures
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# (save the correct one + Kconfig and delete all others)
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mkdir -p arch-backup
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cp -r ${hdrdest}/arch/${_arch} ${hdrdest}/arch/Kconfig arch-backup/
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rm -rf ${hdrdest}/arch
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mv arch-backup ${hdrdest}/arch
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# Keep arch/x86/ras/Kconfig as it is needed by drivers/ras/Kconfig
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mkdir -p ${hdrdest}/arch/x86/ras
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cp -a arch/x86/ras/Kconfig ${hdrdest}/arch/x86/ras/Kconfig
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# Compress all modules with xz to save a few MBs.
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msg_normal "$pkgver: compressing kernel modules with gzip, please wait...\n"
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find ${DESTDIR} -name '*.ko' | xargs -n1 -P0 gzip -9
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# ... and run depmod again.
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depmod -b ${DESTDIR}/usr -F System.map ${_kernver}
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}
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subpackages="rpi-kernel-headers"
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case "$XBPS_TARGET_MACHINE" in
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armv7l*) subpackages+=" rpi2-kernel rpi2-kernel-headers" ;;
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aarch64*) subpackages+=" rpi3-kernel rpi3-kernel-headers rpi4-kernel rpi4-kernel-headers" ;;
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esac
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rpi-kernel-headers_package() {
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nostrip=yes
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noverifyrdeps=yes
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noshlibprovides=yes
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short_desc="${short_desc/kernel/kernel headers}"
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pkg_install() {
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vmove usr/src
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vmove usr/lib/modules/${_kernver}/build
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}
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}
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# hard-code the minimum version to prevent possible issues with partial upgrades
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# of legacy (split) systems
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rpi2-kernel_package() {
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build_style=meta
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short_desc+=" (transitional dummy package)"
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depends="rpi-kernel>=5.15.68_1"
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}
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rpi2-kernel-headers_package() {
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build_style=meta
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short_desc="${short_desc/kernel/kernel headers} (transitional dummy package)"
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depends="rpi-kernel-headers>=5.15.68_1"
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}
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rpi3-kernel_package() {
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build_style=meta
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short_desc+=" (transitional dummy package)"
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depends="rpi-kernel>=5.15.68_1"
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}
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rpi3-kernel-headers_package() {
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build_style=meta
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short_desc="${short_desc/kernel/kernel headers} (transitional dummy package)"
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depends="rpi-kernel-headers>=5.15.68_1"
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}
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rpi4-kernel_package() {
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build_style=meta
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short_desc+=" (transitional dummy package)"
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depends="rpi-kernel>=5.15.68_1"
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}
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rpi4-kernel-headers_package() {
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build_style=meta
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short_desc="${short_desc/kernel/kernel headers} (transitional dummy package)"
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depends="rpi-kernel-headers>=5.15.68_1"
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}
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