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 6.1:
#
# https://forums.raspberrypi.com/viewtopic.php?t=344246
#
# Commit hash is picked from latest tag [1], if appropriate, or from latest
# "Merge remote-tracking branch 'stable/linux-6.x.y' into rpi-6.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=6.1.77
revision=1
_githash=fdd0eca49f6d09d4520d9d9827abfef1c605ce74
archs="armv6l* armv7l* aarch64*"
hostmakedepends="perl kmod uboot-mkimage openssl-devel bc bison flex xz"
makedepends="ncurses-devel"
short_desc="Linux kernel for Raspberry Pi (${version%.*} series)"
maintainer="classabbyamp <void@placeviolette.net>"
license="GPL-2.0-only"
homepage="http://www.kernel.org"
distfiles="https://github.com/raspberrypi/linux/archive/${_githash}.tar.gz"
checksum=611dd843760ea80753ed8c67e665dbe923827e79a381c27c353d33b1da52e211
python_version=3
provides="rpi-kernel-${version}_${revision}"
replaces="rpi5-kernel>=0"
_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/${_kernver}/modules.devname"
case "$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 ;;
*) broken="No Raspberry Pi exists for this arch" ;;
esac
make_build_args=("-j$XBPS_MAKEJOBS" "ARCH=$_arch")
make_install_args=("-j$XBPS_MAKEJOBS" "ARCH=$_arch")
if [ "$CROSS_BUILD" ]; then
make_build_args+=("CROSS_COMPILE=${XBPS_CROSS_TRIPLET}-")
fi
_configure() {
local target="$1" defconfig
defconfig="arch/${_arch}/configs/${target}"
cp "$defconfig" .config
cat <<-! > void.config
CONFIG_CONNECTOR=y
CONFIG_HID_STEAM=y
CONFIG_PROC_EVENTS=y
CONFIG_GCC_PLUGINS=n
CONFIG_BRIDGE_VLAN_FILTERING=y
CONFIG_FUNCTION_TRACER=n
CONFIG_STACK_TRACER=n
CONFIG_ATM=n
CONFIG_SLAB_FREELIST_RANDOM=y
CONFIG_CGROUP_PIDS=y
CONFIG_SLAB_FREELIST_HARDENED=y
CONFIG_PACKET=m
CONFIG_NF_CT_PROTO_DCCP=y
CONFIG_NF_CT_PROTO_SCTP=y
CONFIG_NF_CT_PROTO_UDPLITE=y
CONFIG_BATMAN_ADV=n
CONFIG_INPUT_LEDS=m
CONFIG_SQUASHFS_LZ4=y
CONFIG_STRICT_DEVMEM=y
CONFIG_IO_STRICT_DEVMEM=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_KEY_DH_OPERATIONS=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_LOCALVERSION="_${revision}"
CONFIG_IP_PNP=n
CONFIG_USB_DWC2=m
CONFIG_USB_ETH=m
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
CONFIG_RTC_DRV_DS1307=y
CONFIG_I2C_BCM2835=y
CONFIG_MEMCG=y
CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y
CONFIG_PSI=y
CONFIG_ZSTD_COMPRESS=y
CONFIG_LZ4_COMPRESS=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG_DEFAULT=y
CONFIG_BTRFS_FS=y
CONFIG_BTRFS_POSIX_ACL=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LEDS_TRIGGER_ACTIVITY=m
CONFIG_MACVTAP=m
!
while read -r line; do
local option="" str="" cmd=""
# skip comments
case "$line" in
"#"*) continue;;
esac
option="${line%%=*}"
cmd="$(echo "$line" | cut -d= -f2)"
case "$cmd" in
y) cmd="enable";;
n) cmd="disable";;
m) cmd="module";;
'"'*) cmd="set-str"; str="${line#*=}";;
[0-9]*) cmd="set-val"; str="${line#*=}";;
'') continue ;;
*) msg_error "Command $cmd not accepted\n" ;;
esac
msg_normal "config: $cmd: $option $str\n"
./scripts/config \
--file .config \
"--$cmd" "$option" "${str//\"/}"
done < void.config
make "${make_build_args[@]}" olddefconfig
}
_install() {
local _pkg="$1" _destdir="$2"
local hdrdest="usr/src/${_pkg}-headers-${_kernver}"
# Run depmod after compressing modules.
vsed -i -e '2iexit 0' scripts/depmod.sh
# Install kernel, firmware and modules
make "${make_install_args[@]}" INSTALL_MOD_PATH="${_destdir}" modules_install
# Install device tree blobs
make "${make_install_args[@]}" 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" "${_destdir}/usr"
pushd "${_destdir}/usr/lib/modules/${_kernver}"
rm -f source build
ln -sf "../../../src/${_pkg}-headers-${_kernver}" build
popd
# Install required headers to build external modules
vinstall Makefile 644 "${hdrdest}"
vinstall Kbuild 644 "${hdrdest}"
vinstall kernel/Makefile 644 "${hdrdest}/kernel"
vinstall .config 644 "${hdrdest}"
find . -name 'Kconfig*' | \
while read -r file; do
vinstall "$file" 644 "${hdrdest}/$(dirname "$file")"
done
find "arch/${_arch}" scripts -name module.lds -o -name Kbuild.platforms -o -name Platform | \
while read -r file; do
vinstall "$file" 644 "${hdrdest}/$(dirname "$file")"
done
vmkdir "${hdrdest}/include"
# Remove firmware stuff provided by the "linux-firmware" pkg.
rm -rf "${_destdir}/usr/lib/firmware"
for d 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/$d ] && vcopy "include/$d" "${hdrdest}/include"
done
# 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 "${make_install_args[@]}" _mrproper_scripts
# remove host specific objects as well
find scripts -name '*.o' -delete
fi
# Copy files necessary for later builds.
vinstall Module.symvers 644 "${hdrdest}"
vcopy scripts "${hdrdest}"
vmkdir "${hdrdest}/security/selinux"
vcopy security/selinux/include "${hdrdest}/security/selinux"
vmkdir "${hdrdest}/tools/include"
vcopy tools/include/tools "${hdrdest}/tools/include"
if [ -d "arch/${_arch}/tools" ]; then
vcopy "arch/${_arch}/tools" "${hdrdest}/arch/${_arch}"
fi
vinstall kernel/time/timeconst.bc 644 "${hdrdest}/kernel/time"
vinstall kernel/bounds.c 644 "${hdrdest}/kernel"
vinstall arch/x86/entry/syscalls/syscall_32.tbl 644 "${hdrdest}/arch/x86/entry/syscalls"
# copy arch includes for external modules
vmkdir "${hdrdest}/arch/${_arch}"
vcopy "arch/${_arch}/include" "${hdrdest}/arch/${_arch}"
mkdir -p "${hdrdest}/arch/${_arch}/kernel"
vinstall "arch/${_arch}/Makefile" 644 "${hdrdest}/arch/${_arch}"
vinstall "arch/${_arch}/kernel/asm-offsets.s" 644 "${hdrdest}/arch/${_arch}/kernel"
if [ "$_arch" = "arm64" ] ; then
vcopy "arch/${_arch}/kernel/vdso" "${hdrdest}/arch/${_arch}/kernel/"
fi
# Add md headers
vmkdir "${hdrdest}/drivers/md"
vcopy drivers/md/*.h "${hdrdest}/drivers/md"
# Add inotify.h
vinstall include/linux/inotify.h 644 "${hdrdest}/include/linux"
# Add wireless headers
vmkdir "${hdrdest}/net/mac80211/"
vcopy net/mac80211/*.h "${hdrdest}/net/mac80211"
# Compress all modules with xz to save a few MBs.
msg_normal "$_pkg-$version: 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 "${_kernver}"
}
do_configure() {
local target
case "$XBPS_TARGET_MACHINE" in
# for zero, 1
armv6l*) target=bcmrpi_defconfig ;;
# for 2
armv7l*) target=bcm2709_defconfig ;;
# for 3, 4, zero 2, 5
aarch64*) target=bcm2711_defconfig ;;
esac
_configure "$target"
}
do_build() {
make "${make_build_args[@]}" prepare
make "${make_build_args[@]}" "${_image_target}" modules dtbs
}
do_install() {
_install "$pkgname" "$DESTDIR"
}
subpackages="rpi-kernel-headers"
case "$XBPS_TARGET_MACHINE" in
armv7l*) subpackages+=" rpi2-kernel rpi2-kernel-headers" ;;
aarch64*) subpackages+=" rpi3-kernel rpi3-kernel-headers rpi4-kernel rpi4-kernel-headers rpi5-kernel rpi5-kernel-headers" ;;
esac
rpi-kernel-headers_package() {
nostrip=yes
noverifyrdeps=yes
noshlibprovides=yes
short_desc="${short_desc/kernel/kernel headers}"
provides="rpi-kernel-headers-${version}_${revision}"
replaces="rpi5-kernel-headers>=0"
pkg_install() {
vmove usr/src
vmove "usr/lib/modules/${_kernver}/build"
}
}
_rpi5_short_desc="Linux kernel for Raspberry Pi 5 (${version%.*} series)"
rpi5-kernel_package() {
nodebug=yes
nostrip=yes
noverifyrdeps=yes
noshlibprovides=yes
python_version=3
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/${_kernver}/modules.devname"
short_desc="$_rpi5_short_desc"
provides="rpi-kernel-${version}_${revision}"
replaces="rpi-kernel>=0"
pkg_install() {
_configure "bcm2712_defconfig"
make "${make_build_args[@]}" prepare
make "${make_build_args[@]}" "${_image_target}" modules dtbs
_install "rpi5-kernel" "$PKGDESTDIR"
}
}
rpi5-kernel-headers_package() {
nostrip=yes
noverifyrdeps=yes
noshlibprovides=yes
short_desc="${_rpi5_short_desc/kernel/kernel headers}"
provides="rpi-kernel-headers-${version}_${revision}"
replaces="rpi-kernel-headers>=0"
pkg_install() {
mv "${PKGDESTDIR}/../rpi5-kernel-${version}/usr/src" "${PKGDESTDIR}"/usr/src
vmkdir "usr/lib/modules/${_kernver}"
mv "${PKGDESTDIR}/../rpi5-kernel-${version}/usr/lib/modules/${_kernver}/build" "${PKGDESTDIR}/usr/lib/modules/${_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"
}