FDS/OS 1.0

packages/fds-kernel/files/fds.config

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+# Native early userspace, immutable SYSTEM and DATA support.
+CONFIG_LOCALVERSION="-fds1"
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_RD_GZIP=y
+CONFIG_RD_LZ4=y
+CONFIG_RD_ZSTD=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_EFI_PARTITION=y
+CONFIG_EROFS_FS=y
+CONFIG_EROFS_FS_ZIP=y
+CONFIG_EXT4_FS=y
+CONFIG_FAT_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_PCI=y
+CONFIG_USB_XHCI_PLATFORM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_PCI=y
+CONFIG_PCIE_BRCMSTB=y
+CONFIG_PCI_MSI=y
+CONFIG_MFD_RP1=y
+CONFIG_PINCTRL_RP1=y
+CONFIG_COMMON_CLK_RP1=y
+CONFIG_BCM2712_IOMMU=y
+CONFIG_BLK_DEV_NVME=y
+CONFIG_HID=y
+CONFIG_HID_GENERIC=y
+CONFIG_USB_HID=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_DRM=y
+# VC4 requires these audio core interfaces even when sound devices are optional.
+CONFIG_SND=y
+CONFIG_SND_SOC=y
+CONFIG_DRM_VC4=y
+CONFIG_DRM_VC4_HDMI_CEC=y
+CONFIG_DRM_FBDEV_EMULATION=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FW_LOADER=y
+CONFIG_DRM_LOAD_EDID_FIRMWARE=y
+# The companion CH341 SPI interface must remain available to dasungd.
+# CONFIG_SPI_CH341 is not set
+# Generic ARM VM drivers let us test this build without pretending to emulate Pi firmware.
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_BLK=y
+# Avoid random module signing inputs and large development-only debug artifacts.
+# Release authentication covers the complete immutable kernel/module image.
+# CONFIG_MODULE_SIG is not set
+CONFIG_DEBUG_INFO_NONE=y
+# CONFIG_DEBUG_INFO_BTF is not set

packages/fds-kernel/template

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+# Based on rpi5-kernel at the pinned Void commit; upstream stays unchanged.
+pkgname=fds-kernel
+version=6.12.87
+revision=1
+_githash=ae4d75fb36deba0fe1a986d9bfae65755e082dd0
+archs="aarch64"
+wrksrc="linux-${_githash}"
+hostmakedepends="perl kmod openssl-devel bc bison flex xz python3 cpio"
+short_desc="FDS Raspberry Pi 5 kernel with built-in boot drivers"
+maintainer="FDS/OS maintainers"
+license="GPL-2.0-only"
+homepage="https://github.com/raspberrypi/linux"
+distfiles="https://github.com/raspberrypi/linux/archive/${_githash}.tar.gz"
+checksum=432afe0cbb9370fc9329f67d44bdc892b8e2417a60dd33de8f0cd22e9c697c62
+python_version=3
+nodebug=yes
+nostrip=yes
+noverifyrdeps=yes
+noshlibprovides=yes
+
+export KBUILD_BUILD_TIMESTAMP="Thu Jan 1 00:00:00 UTC 1970"
+export KBUILD_BUILD_USER=fds
+export KBUILD_BUILD_HOST=fds-builder
+_cross="CROSS_COMPILE=aarch64-linux-gnu-"
+
+do_configure() {
+	make ARCH=arm64 ${_cross} bcm2712_defconfig
+	scripts/kconfig/merge_config.sh -m .config "${FILESDIR}/fds.config"
+	make ARCH=arm64 ${_cross} olddefconfig
+	# Kconfig can silently drop impossible requests. Verify every delta entry.
+	while IFS= read -r setting; do
+		case "$setting" in
+			CONFIG_*=*) grep -Fqx "$setting" .config || return 1 ;;
+			'# CONFIG_'*' is not set')
+				local symbol="${setting#\# }"
+				symbol="${symbol% is not set}"
+				! grep -Eq "^${symbol}=[ym]$" .config || return 1 ;;
+		esac
+	done <"${FILESDIR}/fds.config"
+}
+
+do_build() {
+	export LDFLAGS=
+	make ARCH=arm64 ${_cross} ${makejobs} Image modules dtbs
+}
+
+do_install() {
+	local release
+	release=$(make -s ARCH=arm64 ${_cross} kernelrelease)
+	vinstall arch/arm64/boot/Image 644 boot kernel_2712.img
+	vinstall .config 644 boot config-fds
+	vinstall System.map 644 boot System.map-fds
+	vmkdir boot/overlays
+	vcopy "arch/arm64/boot/dts/broadcom/bcm2712-*.dtb" boot
+	vcopy "arch/arm64/boot/dts/overlays/*.dtbo" boot/overlays
+	vinstall arch/arm64/boot/dts/overlays/README 644 boot/overlays
+	make ARCH=arm64 ${_cross} ${makejobs} INSTALL_MOD_PATH="${DESTDIR}/usr" \
+		INSTALL_MOD_STRIP=1 DEPMOD=true modules_install
+	rm -f "${DESTDIR}/usr/lib/modules/${release}/build" "${DESTDIR}/usr/lib/modules/${release}/source"
+	depmod -b "${DESTDIR}/usr" "$release"
+	vmkdir usr/share/fds
+	printf '%s\n' "$release" >"${DESTDIR}/usr/share/fds/kernel-release"
+}