implement dual-boot for rockpi4-plus device

mk/image.mk

@@ -354,18 +354,41 @@ ifeq ($(ADK_RUNTIME_FIX_PERMISSION),y)
 	PATH='$(HOST_PATH)' $(FAKEROOT) $(ADK_TOPDIR)/scripts/fakeroot.sh
 	rm $(ADK_TOPDIR)/scripts/fakeroot.sh $(STAGING_TARGET_DIR)/scripts/permissions.sh
 endif
+ifeq ($(ADK_TARGET_DUAL_BOOT),y)
+	$(CP) $(FW_DIR)/kernel $(TARGET_DIR)
+	$(CP) $(FW_DIR)/*.dtb $(TARGET_DIR)
+	mkdir $(TARGET_DIR)/extlinux
+	$(CP) $(EXTLINUX) $(TARGET_DIR)/extlinux
+	$(SED) "s#root=.*#root=/dev/$(ADK_TARGET_ROOTDEV)p1#" $(TARGET_DIR)/extlinux/extlinux.conf
+	PATH='${HOST_PATH}' $(FAKEROOT) mkfs.ext2 \
+		-d "$(TARGET_DIR)" \
+		-r 1 -N 0 -m 5 -L "rootfs1" \
+		$(FW_DIR)/rootfs1.ext "64M" $(MAKE_TRACE)
+	$(SED) "s#root=.*#root=/dev/$(ADK_TARGET_ROOTDEV)p2#" $(TARGET_DIR)/extlinux/extlinux.conf
+	PATH='${HOST_PATH}' $(FAKEROOT) mkfs.ext2 \
+		-d "$(TARGET_DIR)" \
+		-r 1 -N 0 -m 5 -L "rootfs2" \
+		$(FW_DIR)/rootfs2.ext "64M" $(MAKE_TRACE)
+	PATH='${HOST_PATH}' genimage \
+		--config "$(GENCFG)" \
+		--tmppath "${FW_DIR}/temp" \
+		--rootpath "$(TARGET_DIR)" \
+		--inputpath "$(FW_DIR)" \
+		--outputpath "$(FW_DIR)" $(MAKE_TRACE)
+else
 	PATH='${HOST_PATH}' $(FAKEROOT) mkfs.ext2 \
 		-d "$(TARGET_DIR)" \
 		-r 1 -N 0 -m 5 -L "rootfs" \
-		$(FW_DIR)/rootfs.ext "48M" $(MAKE_TRACE)
+		$(FW_DIR)/rootfs.ext "64M" $(MAKE_TRACE)
 	PATH='${HOST_PATH}' genimage \
 		--config "$(GENCFG)" \
 		--tmppath "${FW_DIR}/temp" \
 		--rootpath "$(TARGET_DIR)" \
 		--inputpath "$(FW_DIR)" \
 		--outputpath "$(FW_DIR)" $(MAKE_TRACE)
+endif
 ifeq ($(ADK_TARGET_DUAL_BOOT),y)
-	(cd ${TARGET_DIR}; find . | grep -v ./boot/ | sed -n '/^\.\//s///p' | sort | \
+	(cd ${TARGET_DIR}; find . | sed -n '/^\.\//s///p' | sort | \
 		PATH='${HOST_PATH}' $(CPIO) -o --quiet -Hustar --owner=0:0 | \
 		${XZ} -c > ${FW_DIR}/openadk.tar.xz)
 	(cd ${FW_DIR}; PATH='${HOST_PATH}' sha256sum openadk.tar.xz \

package/base-files/files/init.d/rcS

@@ -17,6 +17,7 @@ fi
 mkdir -p /var/log
 mkdir -p /var/run
 mkdir -p /var/tmp
+mkdir -p /var/lock
 touch /var/log/lastlog
 touch /var/log/wtmp
 

package/fwupdate/Makefile

@@ -5,7 +5,7 @@ include $(ADK_TOPDIR)/rules.mk
 
 PKG_NAME:=		fwupdate
 PKG_VERSION:=		1.0
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_DESCR:=		update firmware
 PKG_SECTION:=		base/adk
 PKG_DEPENDS:=		mke2fs
@@ -27,5 +27,9 @@ fwupdate-install:
 	$(INSTALL_DIR) $(IDIR_FWUPDATE)/usr/sbin
 	$(INSTALL_BIN) $(WRKBUILD)/fwupdate $(IDIR_FWUPDATE)/usr/sbin
 	$(INSTALL_BIN) $(WRKBUILD)/fwvalidate $(IDIR_FWUPDATE)/usr/sbin
+	$(SED) "s/@@DISK@@/$(ADK_TARGET_ROOTDEV)/g" \
+		$(IDIR_FWUPDATE)/usr/sbin/fwupdate
+	$(SED) "s/@@DISK@@/$(ADK_TARGET_ROOTDEV)/g" \
+		$(IDIR_FWUPDATE)/usr/sbin/fwvalidate
 
 include ${ADK_TOPDIR}/mk/pkg-bottom.mk

package/fwupdate/files/fwupdate.postinst

@@ -0,0 +1,3 @@
+#!/bin/sh
+. $IPKG_INSTROOT/etc/functions.sh
+add_rcconf fwupdate NO

package/fwupdate/src/fwupdate

@@ -2,8 +2,22 @@
 # This file is part of the OpenADK project.
 # Do update.
 
-PART0="/dev/sda2"
-PART1="/dev/sda3"
+GRUB=$(which grub-reboot)
+if [ "${GRUB}" = "/usr/sbin/grub-reboot" ]; then
+  REVERSE=0
+else
+  REVERSE=1
+fi
+
+DISK=@@DISK@@
+
+if [ $REVERSE -eq 1 ]; then
+  PART0="/dev/${DISK}p1"
+  PART1="/dev/${DISK}p2"
+else
+  PART0="/dev/${DISK}2"
+  PART1="/dev/${DISK}3"
+fi
 
 # Name of the archive, which is the firmware. For this file is the checksum calculated and
 # checked against the one from the tar archive.
@@ -59,10 +73,12 @@ CURRENT_SYS="$(rdev /|awk '{ print $1 }')"
 case "$CURRENT_SYS" in
   "$PART0")
     MOUNTPART="$PART1"
+    PARTNUM=2
     OS=OpenADK2
     ;;
   "$PART1")
     MOUNTPART="$PART0"
+    PARTNUM=1
     OS=OpenADK1
     ;;
   *)
@@ -130,18 +146,23 @@ fi
 
 cd /
 umount $MOUNTPART
-grep /boot /proc/mounts 2>/dev/null
-if [ $? -eq 0 ]; then
-  mount -o remount,rw /boot
+if [ $REVERSE -eq 1 ]; then
+  echo "Switch bootable partition to new system"
+  sfdisk -A /dev/$DISK $PARTNUM >/dev/null 2>&1
 else
-  mount /dev/sda1 /boot
-fi
-grub-reboot $OS
 grep /boot /proc/mounts 2>/dev/null
-if [ $? -eq 0 ]; then
-  mount -o remount,ro /boot
-else
-  umount /boot
+  if [ $? -eq 0 ]; then
+    mount -o remount,rw /boot
+  else
+    mount /dev/sda1 /boot
+  fi
+  grub-reboot $OS
+  grep /boot /proc/mounts 2>/dev/null
+  if [ $? -eq 0 ]; then
+    mount -o remount,ro /boot
+  else
+    umount /boot
+  fi
 fi
 sync
 echo "Reboot now to the updated system $OS"

package/fwupdate/src/fwvalidate

@@ -2,8 +2,22 @@
 # This file is part of the OpenADK project.
 # Validate update.
 
-PART0="/dev/sda2"
-PART1="/dev/sda3"
+GRUB=$(which grub-reboot)
+if [ "${GRUB}" = "/usr/sbin/grub-reboot" ]; then
+  REVERSE=0
+else
+  REVERSE=1
+fi
+
+DISK=@@DISK@@
+
+if [ $REVERSE -eq 1 ]; then
+  PART0="/dev/${DISK}p1"
+  PART1="/dev/${DISK}p2"
+else
+  PART0="/dev/${DISK}2"
+  PART1="/dev/${DISK}3"
+fi
 
 APPLIANCE_NAME=OpenADK
 
@@ -43,6 +57,24 @@ chk_initial_save(){
     echo "please save configuration"
   fi
 }
+
+updatebootflag(){
+
+  case "$CURRENT_SYS" in
+    "$PART1")
+      sfdisk -A /dev/$DISK 1
+      ;;
+    "$PART0")
+      sfdisk -A /dev/$DISK 2
+      ;;
+    *)
+      echo "Current partition $CURRENT_SYS not recognized"
+      exit 1
+      ;;
+  esac
+
+}
+
 updategrub(){
   
   mount -o remount,rw /boot
@@ -120,12 +152,22 @@ if [ $TESTS -eq $TESTSUM ]; then
     logger -t update "All Tests passed."
     if [ "x$1" = "x" ]; then
       logger -t update "Set default boot partition for bootloader."
+      mount -o remount,rw /
       rm /firmware_check
+      mount -o remount,ro /
       echo "System check was successful" >> $STAT_FILE
-      updategrub
+      if [ $REVERSE -eq 1 ]; then
+        echo "Nothing todo. All fine." 
+        logger -t update "Nothing todo. All fine."
+      else
+	updategrub
+      fi
     fi
 else
-    logger -t update "Not all tests passed. The the default system remains on the current partition."
+    if [ $REVERSE -eq 1 ]; then
+      updatebootflag
+    fi
+    logger -t update "Not all tests passed. The default system remains on the current partition."
     logger -t update "Please try to reboot the system and repeat the update."
     echo "ERROR last system update failed, please reboot and try again." >> $STAT_FILE
     exit 1

package/u-boot/files/fw_env.config

@@ -1 +1 @@
-/dev/mmcblk0		-0x20000	0x20000
+/dev/mmcblk1		0x3F8000 	0x8000

package/u-boot/patches/patch-configs_bananapi_m2_p2_zero_defconfig

@@ -0,0 +1,18 @@
+--- u-boot-2022.10.orig/configs/bananapi_m2_p2_zero_defconfig	1970-01-01 00:00:00.000000000 +0100
++++ u-boot-2022.10/configs/bananapi_m2_p2_zero_defconfig	2022-12-25 07:59:45.852731211 +0100
+@@ -0,0 +1,15 @@
++CONFIG_ARM=y
++CONFIG_ARCH_SUNXI=y
++# CONFIG_DEFAULT_DEVICE_TREE="sun8i-h3-bananapi-m2-plus-v1.2"
++CONFIG_DEFAULT_DEVICE_TREE="sun8i-h2-plus-bananapi-m2-zero"
++CONFIG_SPL=y
++CONFIG_MACH_SUN8I_H3=y
++CONFIG_DRAM_CLK=408
++CONFIG_MMC0_CD_PIN=""
++CONFIG_MMC_SUNXI_SLOT_EXTRA=2
++# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
++CONFIG_PREBOOT=""
++# CONFIG_SYS_DEVICE_NULLDEV is not set
++CONFIG_SPL_STACK=0x8000
++CONFIG_SYS_PBSIZE=1024
++CONFIG_SUN8I_EMAC=y

package/u-boot/patches/patch-configs_rock-pi-4-rk3399_defconfig

@@ -1,16 +1,6 @@
 --- u-boot-2022.10.orig/configs/rock-pi-4-rk3399_defconfig	2022-10-03 21:25:32.000000000 +0200
-+++ u-boot-2022.10/configs/rock-pi-4-rk3399_defconfig	2022-12-25 06:25:34.169217143 +0100
-@@ -4,7 +4,8 @@ CONFIG_COUNTER_FREQUENCY=24000000
- CONFIG_ARCH_ROCKCHIP=y
- CONFIG_SYS_TEXT_BASE=0x00200000
- CONFIG_NR_DRAM_BANKS=1
--CONFIG_ENV_OFFSET=0x3F8000
-+CONFIG_ENV_OFFSET=-0x20000
-+CONFIG_ENV_SIZE=0x20000
- CONFIG_DEFAULT_DEVICE_TREE="rk3399-rock-pi-4b"
- CONFIG_ROCKCHIP_RK3399=y
- CONFIG_TARGET_EVB_RK3399=y
-@@ -60,7 +61,7 @@ CONFIG_REGULATOR_RK8XX=y
++++ u-boot-2022.10/configs/rock-pi-4-rk3399_defconfig	2022-12-25 08:01:46.267056624 +0100
+@@ -60,7 +62,7 @@ CONFIG_REGULATOR_RK8XX=y
  CONFIG_PWM_ROCKCHIP=y
  CONFIG_RAM_RK3399_LPDDR4=y
  CONFIG_DM_RESET=y