void-packages/srcpkgs/rpi-kernel/template

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