ARM64 support

README.md

@@ -134,6 +134,10 @@ The following environment variables are supported:
 
     If set, then instead of working through the numeric stages in order, this list will be followed. For example setting to `"stage0 stage1 mystage stage2"` will run the contents of `mystage` before stage2. Note that quotes are needed around the list. An absolute or relative path can be given for stages outside the pi-gen directory.
 
+ * `ENABLE_ARM64` (Default: `0`)
+
+   If set, the image uses arm64 instead of armhf. Arm64 is not fully stable yet, some programs may be not available or broken.
+   
 A simple example for building Raspbian:
 
 ```bash

build.sh

@@ -105,7 +105,19 @@ run_stage(){
 		for SUB_STAGE_DIR in "${STAGE_DIR}"/*; do
 			if [ -d "${SUB_STAGE_DIR}" ] &&
 			   [ ! -f "${SUB_STAGE_DIR}/SKIP" ]; then
-				run_sub_stage
+			   	if [[ ${SUB_STAGE_DIR} == *arm64 ]]; then
+				   	if  [ "$ENABLE_ARM64"="1" ]; then
+						run_sub_stage
+					fi
+				elif [[ ${SUB_STAGE_DIR} == *armhf ]]; then
+					echo "elif"
+					if  [[ ${ENABLE_ARM64} == 0 ]]; then
+						echo "here"
+						run_sub_stage
+					fi
+				else
+					run_sub_stage
+				fi
 			fi
 		done
 	fi
@@ -203,6 +215,8 @@ export QUILT_NO_DIFF_INDEX=1
 export QUILT_NO_DIFF_TIMESTAMPS=1
 export QUILT_REFRESH_ARGS="-p ab"
 
+export ENABLE_ARM64="${ENABLE_ARM64:-0}"
+
 # shellcheck source=scripts/common
 source "${SCRIPT_DIR}/common"
 # shellcheck source=scripts/dependencies_check

scripts/common

@@ -9,13 +9,17 @@ bootstrap(){
 
 	export http_proxy=${APT_PROXY}
 
-	if [ "$(dpkg --print-architecture)" !=  "armhf" ] && [ "$(dpkg --print-architecture)" !=  "aarch64" ]; then
+	if [ "$(dpkg --print-architecture)" !=  "armhf" ] && [ "$(dpkg --print-architecture)" !=  "arm64" ]; then
 		BOOTSTRAP_CMD=qemu-debootstrap
 	fi
 
-	BOOTSTRAP_ARGS+=(--arch armhf)
+	if [ "$ENABLE_ARM64"="1" ]; then
+		BOOTSTRAP_ARGS+=(--arch arm64)
+	else
+		BOOTSTRAP_ARGS+=(--arch armhf)
+	fi
+	BOOTSTRAP_ARGS+=(--keyring "${STAGE_DIR}/files/debian.gpg")
 	BOOTSTRAP_ARGS+=(--components "main,contrib,non-free")
-	BOOTSTRAP_ARGS+=(--keyring "${STAGE_DIR}/files/raspberrypi.gpg")
 	BOOTSTRAP_ARGS+=("$@")
 	printf -v BOOTSTRAP_STR '%q ' "${BOOTSTRAP_ARGS[@]}"
 

stage0/00-configure-apt/00-run.sh

@@ -12,7 +12,12 @@ else
 	rm -f "${ROOTFS_DIR}/etc/apt/apt.conf.d/51cache"
 fi
 
+on_chroot << EOF
+apt-get update -o Acquire::AllowInsecureRepositories=true
+apt install gnupg -y
+EOF
 on_chroot apt-key add - < files/raspberrypi.gpg.key
+
 on_chroot << EOF
 apt-get update
 apt-get dist-upgrade -y

stage0/00-configure-apt/files/sources.list

@@ -1,3 +1,3 @@
-deb http://raspbian.raspberrypi.org/raspbian/ RELEASE main contrib non-free rpi
+deb http://deb.debian.org/debian RELEASE main contrib non-free
 # Uncomment line below then 'apt-get update' to enable 'apt-get source'
-#deb-src http://raspbian.raspberrypi.org/raspbian/ RELEASE main contrib non-free rpi
+#deb-src http://deb.debian.org/debian RELEASE main contrib non-free

stage0/prerun.sh

@@ -1,5 +1,5 @@
 #!/bin/bash -e
 
 if [ ! -d "${ROOTFS_DIR}" ]; then
-	bootstrap ${RELEASE} "${ROOTFS_DIR}" http://raspbian.raspberrypi.org/raspbian/
+	bootstrap ${RELEASE} "${ROOTFS_DIR}" http://deb.debian.org/debian/
 fi

stage1/00-boot-files/00-run.sh

@@ -1,4 +1,8 @@
 #!/bin/bash -e
 
 install -m 644 files/cmdline.txt "${ROOTFS_DIR}/boot/"
-install -m 644 files/config.txt "${ROOTFS_DIR}/boot/"
+if [ "$ENABLE_ARM64"="1" ]; then
+	install -m 644 files/config.txt "${ROOTFS_DIR}/boot/config.txt"
+else
+	install -m 644 files/config.arm64.txt "${ROOTFS_DIR}/boot/config.txt"
+fi

stage1/00-boot-files/files/config.arm64.txt

@@ -0,0 +1,68 @@
+# For more options and information see
+# http://rpf.io/configtxt
+# Some settings may impact device functionality. See link above for details
+
+# uncomment if you get no picture on HDMI for a default "safe" mode
+#hdmi_safe=1
+
+# uncomment this if your display has a black border of unused pixels visible
+# and your display can output without overscan
+#disable_overscan=1
+
+# uncomment the following to adjust overscan. Use positive numbers if console
+# goes off screen, and negative if there is too much border
+#overscan_left=16
+#overscan_right=16
+#overscan_top=16
+#overscan_bottom=16
+
+# uncomment to force a console size. By default it will be display's size minus
+# overscan.
+#framebuffer_width=1280
+#framebuffer_height=720
+
+# uncomment if hdmi display is not detected and composite is being output
+#hdmi_force_hotplug=1
+
+# uncomment to force a specific HDMI mode (this will force VGA)
+#hdmi_group=1
+#hdmi_mode=1
+
+# uncomment to force a HDMI mode rather than DVI. This can make audio work in
+# DMT (computer monitor) modes
+#hdmi_drive=2
+
+# uncomment to increase signal to HDMI, if you have interference, blanking, or
+# no display
+#config_hdmi_boost=4
+
+# uncomment for composite PAL
+#sdtv_mode=2
+
+#uncomment to overclock the arm. 700 MHz is the default.
+#arm_freq=800
+
+# Uncomment some or all of these to enable the optional hardware interfaces
+#dtparam=i2c_arm=on
+#dtparam=i2s=on
+#dtparam=spi=on
+
+# Uncomment this to enable infrared communication.
+#dtoverlay=gpio-ir,gpio_pin=17
+#dtoverlay=gpio-ir-tx,gpio_pin=18
+
+# Additional overlays and parameters are documented /boot/overlays/README
+
+# Enable audio (loads snd_bcm2835)
+dtparam=audio=on
+
+# Enable ARM64
+arm_64bit=1
+
+[pi4]
+# Enable DRM VC4 V3D driver on top of the dispmanx display stack
+dtoverlay=vc4-fkms-v3d
+max_framebuffers=2
+
+[all]
+#dtoverlay=vc4-fkms-v3d

stage3/00-install-packages/00-packages

@@ -2,12 +2,11 @@ gstreamer1.0-x gstreamer1.0-omx gstreamer1.0-plugins-base gstreamer1.0-plugins-g
 qpdfview gtk2-engines alsa-utils
 desktop-base
 git
-omxplayer
 raspberrypi-artwork
 policykit-1
 gvfs
 rfkill
-chromium-browser rpi-chromium-mods
+chromium rpi-chromium-mods
 gldriver-test
 fonts-droid-fallback
 fonts-liberation2

stage3/00-install-packages/00-packages-nr

@@ -3,4 +3,4 @@ mousepad
 lxde lxtask menu-xdg
 zenity xdg-utils
 gvfs-backends gvfs-fuse
-lightdm gnome-themes-standard-data gnome-icon-theme
+lightdm adwaita-icon-theme gnome-icon-theme

stage3/00-install-packages/01-run.sh

@@ -2,7 +2,7 @@
 
 on_chroot << EOF
 update-alternatives --install /usr/bin/x-www-browser \
-  x-www-browser /usr/bin/chromium-browser 86
+  x-www-browser /usr/bin/chromium 86
 update-alternatives --install /usr/bin/gnome-www-browser \
-  gnome-www-browser /usr/bin/chromium-browser 86
+  gnome-www-browser /usr/bin/chromium 86
 EOF

stage4/00-install-packages/00-packages

@@ -13,7 +13,7 @@ tree
 libgl1-mesa-dri libgles1 libgles2-mesa xcompmgr
 geany
 piclone
-wiringpi pigpio python-pigpio python3-pigpio raspi-gpio python-gpiozero python3-gpiozero python3-rpi.gpio
+pigpio python-pigpio python3-pigpio raspi-gpio python-gpiozero python3-gpiozero python3-rpi.gpio
 python-spidev python3-spidev
 python-twython python3-twython
 python-smbus python3-smbus
@@ -21,5 +21,6 @@ python-flask python3-flask
 pprompt
 piwiz
 rp-prefapps
+rp-bookshelf
 ffmpeg
 vlc

stage4/00-install-packages/00-packages-nr

@@ -1,2 +1 @@
 pi-package
-realvnc-vnc-server

stage4/01-install-packages-armhf/00-packages

@@ -0,0 +1 @@
+wiringpi

stage4/01-install-packages-armhf/00-packages-nr

@@ -0,0 +1 @@
+realvnc-vnc-server

stage5/00-install-extras-armhf/00-packages

@@ -0,0 +1,5 @@
+nuscratch
+minecraft-pi python-minecraftpi python-picraft python3-picraft
+wolfram-engine
+nodered
+realvnc-vnc-viewer

stage5/00-install-extras/00-packages

@@ -1,16 +1,12 @@
 mu-editor
 sonic-pi
-scratch nuscratch scratch2 scratch3
+scratch scratch3
 smartsim
 
-minecraft-pi python-minecraftpi python-picraft python3-picraft
 python-sense-emu sense-emu-tools python-sense-emu-doc
 
-wolfram-engine
 claws-mail
 greenfoot-unbundled bluej
-nodered
-realvnc-vnc-viewer
 
 python-games
 code-the-classics