373 lines
11 KiB
Bash
373 lines
11 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 6.1:
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#
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# https://forums.raspberrypi.com/viewtopic.php?t=344246
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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-6.x.y' into rpi-6.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=6.1.69
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revision=1
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_githash=aabc6f6d0b13ac177f9b383e59a542ddb6c32e59
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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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short_desc="Linux kernel for Raspberry Pi (${version%.*} series)"
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maintainer="classabbyamp <void@placeviolette.net>"
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license="GPL-2.0-only"
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homepage="http://www.kernel.org"
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distfiles="https://github.com/raspberrypi/linux/archive/${_githash}.tar.gz"
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checksum=31a39457e4f3075bf7a1113aae17f9a17241b425aa194639c886bc639cf1da5d
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python_version=3
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provides="rpi-kernel-${version}_${revision}"
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replaces="rpi5-kernel>=0"
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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/${_kernver}/modules.devname"
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case "$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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*) broken="No Raspberry Pi exists for this arch" ;;
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esac
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make_build_args=("-j$XBPS_MAKEJOBS" "ARCH=$_arch")
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make_install_args=("-j$XBPS_MAKEJOBS" "ARCH=$_arch")
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if [ "$CROSS_BUILD" ]; then
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make_build_args+=("CROSS_COMPILE=${XBPS_CROSS_TRIPLET}-")
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fi
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_configure() {
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local target="$1" defconfig
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defconfig="arch/${_arch}/configs/${target}"
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cp "$defconfig" .config
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cat <<-! > void.config
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CONFIG_CONNECTOR=y
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CONFIG_HID_STEAM=y
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CONFIG_PROC_EVENTS=y
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CONFIG_GCC_PLUGINS=n
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CONFIG_BRIDGE_VLAN_FILTERING=y
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CONFIG_FUNCTION_TRACER=n
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CONFIG_STACK_TRACER=n
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CONFIG_ATM=n
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CONFIG_SLAB_FREELIST_RANDOM=y
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CONFIG_CGROUP_PIDS=y
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CONFIG_SLAB_FREELIST_HARDENED=y
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CONFIG_PACKET=m
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CONFIG_NF_CT_PROTO_DCCP=y
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CONFIG_NF_CT_PROTO_SCTP=y
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CONFIG_NF_CT_PROTO_UDPLITE=y
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CONFIG_BATMAN_ADV=n
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CONFIG_INPUT_LEDS=m
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CONFIG_SQUASHFS_LZ4=y
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CONFIG_STRICT_DEVMEM=y
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CONFIG_IO_STRICT_DEVMEM=y
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CONFIG_ENCRYPTED_KEYS=m
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CONFIG_KEY_DH_OPERATIONS=y
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CONFIG_HARDENED_USERCOPY=y
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CONFIG_LOCALVERSION="_${revision}"
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CONFIG_IP_PNP=n
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CONFIG_USB_DWC2=m
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CONFIG_USB_ETH=m
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CONFIG_RTC_HCTOSYS=y
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CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
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CONFIG_RTC_DRV_DS1307=y
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CONFIG_I2C_BCM2835=y
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CONFIG_MEMCG=y
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CONFIG_CGROUP_PIDS=y
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CONFIG_CGROUP_DEVICE=y
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CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y
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CONFIG_PSI=y
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CONFIG_ZSTD_COMPRESS=y
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CONFIG_LZ4_COMPRESS=y
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CONFIG_CRYPTO_RNG=y
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CONFIG_CRYPTO_RNG_DEFAULT=y
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CONFIG_BTRFS_FS=y
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CONFIG_BTRFS_POSIX_ACL=y
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CONFIG_IKCONFIG=y
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CONFIG_IKCONFIG_PROC=y
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CONFIG_LEDS_TRIGGER_ACTIVITY=m
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!
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while read -r line; do
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local option="" str="" cmd=""
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# skip comments
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case "$line" in
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"#"*) continue;;
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esac
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option="${line%%=*}"
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cmd="$(echo "$line" | cut -d= -f2)"
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case "$cmd" in
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y) cmd="enable";;
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n) cmd="disable";;
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m) cmd="module";;
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'"'*) cmd="set-str"; str="${line#*=}";;
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[0-9]*) cmd="set-val"; str="${line#*=}";;
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'') continue ;;
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*) msg_error "Command $cmd not accepted\n" ;;
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esac
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msg_normal "config: $cmd: $option $str\n"
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./scripts/config \
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--file .config \
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"--$cmd" "$option" "${str//\"/}"
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done < void.config
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make "${make_build_args[@]}" olddefconfig
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}
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_install() {
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local _pkg="$1" _destdir="$2"
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local hdrdest="usr/src/${_pkg}-headers-${_kernver}"
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# Run depmod after compressing modules.
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vsed -i -e '2iexit 0' scripts/depmod.sh
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# Install kernel, firmware and modules
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make "${make_install_args[@]}" INSTALL_MOD_PATH="${_destdir}" modules_install
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# Install device tree blobs
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make "${make_install_args[@]}" 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" "${_destdir}/usr"
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pushd "${_destdir}/usr/lib/modules/${_kernver}"
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rm -f source build
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ln -sf "../../../src/${_pkg}-headers-${_kernver}" build
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popd
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# Install required headers to build external modules
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vinstall Makefile 644 "${hdrdest}"
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vinstall Kbuild 644 "${hdrdest}"
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vinstall kernel/Makefile 644 "${hdrdest}/kernel"
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vinstall .config 644 "${hdrdest}"
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find . -name 'Kconfig*' | \
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while read -r file; do
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vinstall "$file" 644 "${hdrdest}/$(dirname "$file")"
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done
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find "arch/${_arch}" scripts -name module.lds -o -name Kbuild.platforms -o -name Platform | \
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while read -r file; do
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vinstall "$file" 644 "${hdrdest}/$(dirname "$file")"
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done
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vmkdir "${hdrdest}/include"
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# Remove firmware stuff provided by the "linux-firmware" pkg.
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rm -rf "${_destdir}/usr/lib/firmware"
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for d 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/$d ] && vcopy "include/$d" "${hdrdest}/include"
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done
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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 "${make_install_args[@]}" _mrproper_scripts
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# remove host specific objects as well
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find scripts -name '*.o' -delete
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fi
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# Copy files necessary for later builds.
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vinstall Module.symvers 644 "${hdrdest}"
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vcopy scripts "${hdrdest}"
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vmkdir "${hdrdest}/security/selinux"
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vcopy security/selinux/include "${hdrdest}/security/selinux"
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vmkdir "${hdrdest}/tools/include"
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vcopy tools/include/tools "${hdrdest}/tools/include"
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if [ -d "arch/${_arch}/tools" ]; then
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vcopy "arch/${_arch}/tools" "${hdrdest}/arch/${_arch}"
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fi
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vinstall kernel/time/timeconst.bc 644 "${hdrdest}/kernel/time"
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vinstall kernel/bounds.c 644 "${hdrdest}/kernel"
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vinstall arch/x86/entry/syscalls/syscall_32.tbl 644 "${hdrdest}/arch/x86/entry/syscalls"
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# copy arch includes for external modules
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vmkdir "${hdrdest}/arch/${_arch}"
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vcopy "arch/${_arch}/include" "${hdrdest}/arch/${_arch}"
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mkdir -p "${hdrdest}/arch/${_arch}/kernel"
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vinstall "arch/${_arch}/Makefile" 644 "${hdrdest}/arch/${_arch}"
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vinstall "arch/${_arch}/kernel/asm-offsets.s" 644 "${hdrdest}/arch/${_arch}/kernel"
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if [ "$_arch" = "arm64" ] ; then
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vcopy "arch/${_arch}/kernel/vdso" "${hdrdest}/arch/${_arch}/kernel/"
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fi
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# Add md headers
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vmkdir "${hdrdest}/drivers/md"
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vcopy drivers/md/*.h "${hdrdest}/drivers/md"
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# Add inotify.h
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vinstall include/linux/inotify.h 644 "${hdrdest}/include/linux"
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# Add wireless headers
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vmkdir "${hdrdest}/net/mac80211/"
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vcopy net/mac80211/*.h "${hdrdest}/net/mac80211"
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# Compress all modules with xz to save a few MBs.
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msg_normal "$_pkg-$version: 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 "${_kernver}"
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}
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do_configure() {
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local target
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case "$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, 5
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aarch64*) target=bcm2711_defconfig ;;
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esac
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_configure "$target"
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}
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do_build() {
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make "${make_build_args[@]}" prepare
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make "${make_build_args[@]}" "${_image_target}" modules dtbs
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}
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do_install() {
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_install "$pkgname" "$DESTDIR"
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}
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subpackages="rpi-kernel-headers"
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case "$XBPS_TARGET_MACHINE" in
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armv7l*) subpackages+=" rpi2-kernel rpi2-kernel-headers" ;;
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aarch64*) subpackages+=" rpi3-kernel rpi3-kernel-headers rpi4-kernel rpi4-kernel-headers rpi5-kernel rpi5-kernel-headers" ;;
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esac
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rpi-kernel-headers_package() {
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nostrip=yes
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noverifyrdeps=yes
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noshlibprovides=yes
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short_desc="${short_desc/kernel/kernel headers}"
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provides="rpi-kernel-headers-${version}_${revision}"
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replaces="rpi5-kernel-headers>=0"
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pkg_install() {
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vmove usr/src
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vmove "usr/lib/modules/${_kernver}/build"
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}
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}
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_rpi5_short_desc="Linux kernel for Raspberry Pi 5 (${version%.*} series)"
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rpi5-kernel_package() {
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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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python_version=3
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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/${_kernver}/modules.devname"
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short_desc="$_rpi5_short_desc"
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provides="rpi-kernel-${version}_${revision}"
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replaces="rpi-kernel>=0"
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pkg_install() {
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_configure "bcm2712_defconfig"
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make "${make_build_args[@]}" prepare
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make "${make_build_args[@]}" "${_image_target}" modules dtbs
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_install "rpi5-kernel" "$PKGDESTDIR"
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}
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}
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rpi5-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="${_rpi5_short_desc/kernel/kernel headers}"
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provides="rpi-kernel-headers-${version}_${revision}"
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replaces="rpi-kernel-headers>=0"
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pkg_install() {
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mv "${PKGDESTDIR}/../rpi5-kernel-${version}/usr/src" "${PKGDESTDIR}"/usr/src
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vmkdir "usr/lib/modules/${_kernver}"
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mv "${PKGDESTDIR}/../rpi5-kernel-${version}/usr/lib/modules/${_kernver}/build" "${PKGDESTDIR}/usr/lib/modules/${_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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