From d00dee2a456f5bfbc180d636f0e55107334aaf8b Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Mon, 14 Aug 2023 21:33:46 -0500
Subject: [PATCH] generate basic rootfs

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
 .gitignore                      |  2 +
 05_generate_payload.bin.sh      |  3 ++
 create_sdcard_img.sh            | 13 +++++-
 deploy/genimage.cfg             |  2 +-
 generate_debian_console_root.sh | 76 +++++++++++++++++++++++++++++++++
 5 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100755 generate_debian_console_root.sh

diff --git a/.gitignore b/.gitignore
index 26cd0b5..53856f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@ deploy/.modules
 deploy/*-modules.tar.gz
 deploy/Image
 deploy/*.dtb
+deploy/debian*
+ignore/
 mirror/
 riscv-toolchain/
 hart-software-services/
diff --git a/05_generate_payload.bin.sh b/05_generate_payload.bin.sh
index 9c692a0..3b5c641 100755
--- a/05_generate_payload.bin.sh
+++ b/05_generate_payload.bin.sh
@@ -4,6 +4,8 @@ cd ./deploy/
 
 if [ -f ./src.bin ] ; then
 
+	tree -s ./
+
 	if [ -f ./input/payload.bin ] ; then
 		rm -rf ./input/payload.bin || true
 	fi
@@ -12,6 +14,7 @@ if [ -f ./src.bin ] ; then
 
 	./hss-payload-generator -vv -c config.yaml ./input/payload.bin
 
+	date
 	unset test_var
 	test_var=$(strings ./u-boot.bin | grep 'U-Boot 20' | head -n1 || true)
 	if [ ! "x${test_var}" = "x" ] ; then
diff --git a/create_sdcard_img.sh b/create_sdcard_img.sh
index 5358c2d..3d65eff 100755
--- a/create_sdcard_img.sh
+++ b/create_sdcard_img.sh
@@ -1,9 +1,20 @@
 #!/bin/bash
 
+if ! id | grep -q root; then
+	echo "./create_sdcard_img.sh must be run as root:"
+	echo "sudo ./create_sdcard_img.sh"
+	exit
+fi
+
 cd ./deploy/
 if [ ! -d ./root/ ] ; then
 	mkdir ./root/ || true
 fi
-sudo genimage --config genimage.cfg
+
+if [ -d ./tmp ] ; then
+	rm -rf ./tmp || true
+fi
+
+genimage --config genimage.cfg
 
 #
diff --git a/deploy/genimage.cfg b/deploy/genimage.cfg
index 15fab71..95a2f38 100644
--- a/deploy/genimage.cfg
+++ b/deploy/genimage.cfg
@@ -31,6 +31,6 @@ image sdcard.img {
 
 	partition root {
 		partition-type-uuid = 0FC63DAF-8483-4772-8E79-3D69D8477DE4
-		image = "rootfs.cpio"
+		image = "root.ext4"
 	}
 }
diff --git a/generate_debian_console_root.sh b/generate_debian_console_root.sh
new file mode 100755
index 0000000..55eff67
--- /dev/null
+++ b/generate_debian_console_root.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+if ! id | grep -q root; then
+	echo "./generate_debian_console_root.sh must be run as root:"
+	echo "sudo ./generate_debian_console_root.sh"
+	exit
+fi
+
+wdir=`pwd`
+
+if [ -f /tmp/latest ] ; then
+	rm -rf /tmp/latest | true
+fi
+wget --quiet --directory-prefix=/tmp/ https://rcn-ee.net/rootfs/debian-riscv64-sid-minimal/latest || true
+if [ -f /tmp/latest ] ; then
+	latest_rootfs=$(cat "/tmp/latest")
+	datestamp=$(cat "/tmp/latest" | awk -F 'riscv64-' '{print $2}' | awk -F '.' '{print $1}')
+
+	if [ ! -f ./deploy/debian-sid-console-riscv64-${datestamp}/riscv64-rootfs-debian-sid.tar ] ; then
+		wget -c --directory-prefix=./deploy https://rcn-ee.net/rootfs/debian-riscv64-sid-minimal/${datestamp}/${latest_rootfs}
+		cd ./deploy/
+		tar xf ${latest_rootfs}
+		cd ../
+	fi
+else
+	echo "Failure: getting image"
+	exit 2
+fi
+
+if [ -d ./ignore/.root ] ; then
+	rm -rf ./ignore/.root || true
+fi
+mkdir -p ./ignore/.root
+
+tar xfp ./deploy/debian-sid-console-riscv64-${datestamp}/riscv64-rootfs-*.tar -C ./ignore/.root
+sync
+
+mkdir -p ./ignore/.root/boot/firmware/ || true
+
+echo '/dev/mmcblk0p2  /boot/firmware/ auto  defaults  0  2' >> ./ignore/.root/etc/fstab
+echo '/dev/mmcblk0p3  /  auto  errors=remount-ro  0  1' >> ./ignore/.root/etc/fstab
+echo 'debugfs  /sys/kernel/debug  debugfs  mode=755,uid=root,gid=gpio,defaults  0  0' >> ./ignore/.root/etc/fstab
+
+rm -rf ./ignore/.root/usr/lib/systemd/system/bb-usb-gadgets.service || true
+rm -rf ./ignore/.root/etc/systemd/system/getty.target.wants/serial-getty@ttyGS0.service || true
+rm -rf ./ignore/.root/etc/systemd/network/usb0.network || true
+rm -rf ./ignore/.root/etc/systemd/network/usb1.network || true
+
+rm -rf ./ignore/.root/usr/lib/systemd/system/grow_partition.service || true
+cd ./ignore/.root/
+ln -L -f -s -v /lib/systemd/system/resize_filesystem.service --target-directory=./etc/systemd/system/multi-user.target.wants/
+cd ../../
+
+cp -v ./ignore/.root/etc/bbb.io/templates/eth0-DHCP.network ./ignore/.root/etc/systemd/network/eth0.network || true
+
+# setuid root ping+ping6
+chmod u+s ./ignore/.root/usr/bin/ping ./ignore/.root/usr/bin/ping6
+
+if [ -f ./deploy/.modules ] ; then
+	version=$(cat ./deploy/.modules || true)
+	if [ -f ./deploy/${version}-modules.tar.gz ] ; then
+		tar xf ./deploy/${version}-modules.tar.gz -C ./ignore/.root/usr/
+	fi
+fi
+
+echo '---------------------'
+echo 'File Size'
+du -sh ignore/.root/ || true
+echo '---------------------'
+
+dd if=/dev/zero of=./deploy/input/root.ext4 bs=1 count=0 seek=4000M
+mkfs.ext4 -F ./deploy/input/root.ext4 -d ./ignore/.root
+
+if [ -f ./.06_generate_root.sh ] ; then
+	rm -f ./.06_generate_root.sh || true
+fi