(WIP) RPi support

conf/turnkey.d/arm.d/rpi

@@ -0,0 +1,12 @@
+#!/bin/bash -e
+
+systemctl enable rpi-reconfigure-raspi-firmware.service
+
+cp /usr/lib/linux-image-*-arm64/broadcom/bcm*rpi*.dtb /boot/firmware/
+
+sed -i 's/root=/console=ttyS1,115200 root=/' /boot/firmware/cmdline.txt
+sed -i 's#root=/dev/mmcblk0p2#root=LABEL=RASPIROOT#' /boot/firmware/cmdline.txt
+sed -i 's/^#ROOTPART=.*/ROOTPART=LABEL=RASPIROOT/' /etc/default/raspi*-firmware
+
+sed -i 's/cma=64M //' /boot/firmware/cmdline.txt
+

mk/turnkey.mk

@@ -3,7 +3,7 @@ RELEASE ?= debian/$(shell lsb_release -s -c)
 CDROOT ?= gfxboot-turnkey
 HOSTNAME ?= $(shell basename "$(shell pwd)")
 
-CONF_VARS += HOSTNAME ROOT_PASS NONFREE PHP_VERSION TKL_TESTING BACKPORTS
+CONF_VARS += HOSTNAME ROOT_PASS NONFREE PHP_VERSION TKL_TESTING BACKPORTS ARCH_FAMILY
 CONF_VARS += WEBMIN_THEME WEBMIN_FW_TCP_INCOMING WEBMIN_FW_TCP_INCOMING_REJECT WEBMIN_FW_UDP_INCOMING WEBMIN_FW_NAT_EXTRA WEBMIN_FW_MANGLE_EXTRA
 # these are needed to control styling of credits (e.g., conf/apache-credit)
 CONF_VARS += CREDIT_STYLE CREDIT_STYLE_EXTRA CREDIT_ANCHORTEXT CREDIT_LOCATION

overlays/turnkey.d/arm.d/firmware/etc/systemd/system/rpi-reconfigure-raspi-firmware.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Reconfigure raspi-firmware to regenerate config.txt matching actual hardware
+Before=sysinit.target
+DefaultDependencies=no
+RequiresMountsFor=/boot/firmware
+
+[Service]
+Type=oneshot
+TimeoutSec=infinity
+ExecStart=/usr/sbin/dpkg-reconfigure raspi-firmware
+ExecStart=/bin/systemctl --no-reload disable %n
+
+[Install]
+RequiredBy=sysinit.target

overlays/turnkey.d/arm.d/fstab/etc/fstab

@@ -0,0 +1,4 @@
+# The root file system has fs_passno=1 as per fstab(5) for automatic fsck.
+LABEL=RASPIROOT / ext4 rw 0 1
+# All other file systems have fs_passno=2 as per fstab(5) for automatic fsck.
+LABEL=RASPIFIRM /boot/firmware vfat rw 0 2

overlays/turnkey.d/arm.d/interfaces/etc/network/interfaces

@@ -0,0 +1,17 @@
+# UNCONFIGURED INTERFACES
+# remove the above line if you edit this file
+
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet dhcp
+
+allow-hotplug eth1
+iface eth1 inet dhcp
+
+allow-hotplug wlan0
+iface wlan0 inet dhcp
+    wpa-ssid my-network-ssid
+    wpa-psk s3kr3t_P4ss
+

overlays/turnkey.d/arm.d/resizerootfs/etc/initramfs-tools/hooks/rpi-resizerootfs

@@ -0,0 +1,23 @@
+#!/bin/sh
+set -e
+
+#
+# List the soft prerequisites here.  This is a space separated list of
+# names, of scripts that are in the same directory as this one, that
+# must be run before this one can be.
+#
+PREREQS=""
+case $1 in
+    prereqs) echo "$PREREQS"; exit 0;;
+esac
+
+. /usr/share/initramfs-tools/hook-functions
+
+# XXX: tail and realpath are included by default, right?
+#copy_exec /usr/bin/realpath
+#copy_exec /usr/bin/tail
+copy_exec /sbin/blkid
+copy_exec /bin/lsblk
+copy_exec /sbin/parted
+copy_exec /sbin/partprobe
+copy_exec /sbin/resize2fs

overlays/turnkey.d/arm.d/resizerootfs/etc/initramfs-tools/scripts/local-bottom/rpi-resizerootfs

@@ -0,0 +1,53 @@
+#!/bin/sh
+set -e
+
+#
+# List the soft prerequisites here.  This is a space separated list of
+# names, of scripts that are in the same directory as this one, that
+# must be run before this one can be.
+#
+PREREQS=""
+case $1 in
+    prereqs) echo "$PREREQS"; exit 0;;
+esac
+
+. /scripts/functions
+
+# Given the root partition, get the underlying device and partition number
+rootpart=$(realpath $ROOT)
+rootpart_nr=$(blkid -sPART_ENTRY_NUMBER -o value -p $rootpart)
+rootdev="/dev/$(lsblk -no pkname "$rootpart")"
+
+# Parted will detect if the GPT label is messed up and fix it
+# automatically, we just need to tell it to do so.
+parted -s $rootdev print 2>&1 | grep -z "fix the GPT" && {
+    echo "Fix" | parted ---pretend-input-tty $rootdev print
+}
+
+# Check if there's free space at the end of the device
+free_space="$(parted -m -s $rootdev print free | tail -n1 | grep free)"
+if test -z "$free_space"; then
+    # Great, we already resized; nothing left to do!
+    exit 0
+fi
+
+log_begin_msg "$0 resizing $ROOT"
+
+# Unmount for safety
+umount "${rootmnt}"
+
+# Expand the partition size to fill the entire device
+parted -s $rootdev resizepart $rootpart_nr 100%
+
+wait_for_udev 5
+
+# Now resize the filesystem
+partprobe $rootdev
+resize2fs $rootpart
+
+# Remount root
+if ! mount -r ${FSTYPE:+-t "${FSTYPE}"} ${ROOTFLAGS} "${ROOT}" "${rootmnt?}"; then
+    panic "Failed to mount ${ROOT} as root file system."
+fi
+
+log_end_msg

plans/boot

@@ -2,16 +2,20 @@ systemd         /* even in CHROOT_ONLY we need systemctl to configure systemd se
 
 #ifndef CHROOT_ONLY
 
+#ifndef ARM64
 syslinux                    /* Collection of bootloaders */
 syslinux-common             /* Collection of bootloaders (common) */
 isolinux                    /* Collection of bootloaders (ISO 9960) */
-hdparm                      /* Tune hard disk parameters for high performance */
 live-boot                   /* live-boot replaces casper in v16.x */
 live-tools                  /* live tools provides additional tools for live booting */
 live-boot-initramfs-tools
+#endif
+
+hdparm                      /* Tune hard disk parameters for high performance */
 initramfs-tools
 firmware-linux-free
 busybox
+parted
 
 #ifdef UBUNTU
 upstart
@@ -33,6 +37,10 @@ linux-image-686-pae
 #ifdef AMD64
 linux-image-amd64
 #endif
+#ifdef ARM64
+linux-image-arm64
+raspi-firmware
+#endif
 #endif
 #endif
 

plans/turnkey/base

@@ -1,12 +1,18 @@
 #include <boot>
 #include <net>
 #include <console>
+#ifdef ARM64
+#include <wifi>
+#endif
 
 wget
 curl
 rsync
 
+#ifndef ARM64
 di-live
+#endif
+
 whiptail                /* di-live recommends */
 kbd                     /* di-live recommends */
 lvm2                    /* di-live recommends */
@@ -15,7 +21,6 @@ eject                   /* di-live recommends */
 
 confconsole
 kbd                     /* confconsole recommends */
-di-live                 /* confconsole recommends */
 resolvconf              /* confconsole recommends */
 
 /* jiiterentropy-rngd provides entropy from cpu jitter; req'd in buster to */

plans/wifi

@@ -3,4 +3,8 @@
 wireless-tools       # Tools for manipulating Linux Wireless Extensions
 wpasupplicant        # Client support for WPA and WPA2 (IEEE 802.11i)
 
+#ifdef ARM64
+firmware-brcm80211
+#endif
+
 #endif