Initial commit

.gitignore

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+/_build

config.txt

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+# Please note that this is only a sample, we recommend you to change it to fit
+# your needs.
+# You should override this file using BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE.
+# See http://buildroot.org/manual.html#rootfs-custom
+# and http://elinux.org/RPiconfig for a description of config.txt syntax
+
+start_file=start4.elf
+fixup_file=fixup4.dat
+
+kernel=Image
+
+# To use an external initramfs file
+#initramfs rootfs.cpio.gz
+
+# Disable overscan assuming the display supports displaying the full resolution
+# If the text shown on the screen disappears off the edge, comment this out
+disable_overscan=1
+
+# How much memory in MB to assign to the GPU on Pi models having
+# 256, 512 or 1024 MB total memory
+gpu_mem_256=100
+gpu_mem_512=100
+gpu_mem_1024=100
+
+# Enable UART0 for serial console on ttyAMA0
+dtoverlay=miniuart-bt
+
+# enable 64bits support
+arm_64bit=1
+
+dtoverlay=vc4-kms-v3d

configs/kitchenos_defconfig

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+BR2_aarch64=y
+BR2_cortex_a72=y
+BR2_ARM_FPU_VFPV4=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
+BR2_GLOBAL_PATCH_DIR="board/raspberrypi/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
+BR2_INIT_SYSTEMD=y
+BR2_PACKAGE_SYSTEMD_DEFAULT_TARGET="graphical.target"
+# BR2_TARGET_ENABLE_ROOT_LOGIN is not set
+BR2_SYSTEM_BIN_SH_BASH=y
+# BR2_TARGET_GENERIC_GETTY is not set
+BR2_SYSTEM_DEFAULT_PATH="/bin:/sbin:/usr/bin:/usr/sbin"
+BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_kitchenos_PATH)/rootfs"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/raspberrypi4-64/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypi4-64/post-image.sh"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,raspberrypi,linux,cd231d4775b14f228606c09f219b48308f6ab3aa)/linux-cd231d4775b14f228606c09f219b48308f6ab3aa.tar.gz"
+BR2_LINUX_KERNEL_DEFCONFIG="bcm2711"
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2711-rpi-4-b broadcom/bcm2711-rpi-400 broadcom/bcm2711-rpi-cm4 broadcom/bcm2711-rpi-cm4s"
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+# BR2_PACKAGE_BUSYBOX is not set
+BR2_PACKAGE_XZ=y
+BR2_PACKAGE_STRACE=y
+BR2_PACKAGE_SWAY=y
+BR2_PACKAGE_MESA3D=y
+BR2_PACKAGE_MESA3D_LLVM=y
+BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_LLVMPIPE=y
+BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_V3D=y
+BR2_PACKAGE_MESA3D_OPENGL_ES=y
+BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI=y
+BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI_BT=y
+BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI_WIFI=y
+BR2_PACKAGE_RPI_FIRMWARE=y
+BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4=y
+BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE="$(BR2_EXTERNAL_kitchenos_PATH)/config.txt"
+BR2_PACKAGE_LIBGTK3=y
+# BR2_PACKAGE_LIBGTK3_BROADWAY is not set
+BR2_PACKAGE_WEBKITGTK=y
+BR2_PACKAGE_WEBKITGTK_HTTPS=y
+BR2_PACKAGE_LINUX_PAM=y
+BR2_PACKAGE_CHRONY=y
+BR2_PACKAGE_IPROUTE2=y
+BR2_PACKAGE_NETWORK_MANAGER=y
+BR2_PACKAGE_NETWORK_MANAGER_CLI=y
+BR2_PACKAGE_OPENSSH=y
+# BR2_PACKAGE_OPENSSH_CLIENT is not set
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_COREUTILS=y
+BR2_PACKAGE_PROCPS_NG=y
+BR2_PACKAGE_SEATD_BUILTIN=y
+BR2_PACKAGE_SYSTEMD_LOGIND=y
+# BR2_PACKAGE_SYSTEMD_NETWORKD is not set
+BR2_PACKAGE_SYSTEMD_SYSUSERS=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="512M"
+# BR2_TARGET_ROOTFS_TAR is not set
+BR2_PACKAGE_HOST_DOSFSTOOLS=y
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_KMOD_XZ=y
+BR2_PACKAGE_HOST_MTOOLS=y

external.desc

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+name: kitchenos
+desc: Kitchen HUD OS

rootfs/etc/pam.d/kiosk

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+auth    required pam_permit.so
+account required pam_permit.so
+session required pam_systemd.so

rootfs/usr/lib/systemd/system-preset/kiosk.preset

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+enable sshd.service
+
+enable kiosk.service

rootfs/usr/lib/systemd/system/kiosk.service

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+[Unit]
+Description=Kiosk
+Conflicts=getty@tty1.service
+
+[Service]
+Type=exec
+ExecStart=/usr/bin/sway
+RuntimeDirectory=%N
+Environment=XDG_RUNTIME_DIR=%t/%N
+PAMName=%N
+User=%N
+SupplementaryGroups=render tty
+StandardInput=tty-force
+StadnardOutput=inherit
+StandardError=journal
+TTYPath=/dev/tty1
+TTYReset=yes
+TTYVHangup=yes
+TTYVTDisallocate=yes
+
+[Install]
+WantedBy=graphical.target

rootfs/usr/lib/sysusers.d/kiosk.conf

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+g kiosk - - -
+u kiosk - "Kiosk User" /home/kiosk /bin/bash