BTRFS file system for MAIN partition

board/miyoo/boot/firstboot

@@ -493,76 +493,19 @@ if (dialog --clear --ok-label NO --cancel-label YES --stdout --title "   License
 	safe_poweroff_func
 fi
 mount -o remount,ro "${MOUNTDIR}" | tee -a ${LOG}
-
-#grep all partitions current size
-SD_SIZE=$(cat "/sys/block/mmcblk0/size")
-P1_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p1/size")
-P2_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p2/size")
-P3_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p3/size")
-P4_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p4/size")
-SD_SIZE_IN_MiB=$((SD_SIZE * 512 / 1024 / 1024))
-SD_SIZE_IN_GiB=$((SD_SIZE * 512 / 1024 / 1024 / 1024))
-BOOT_SIZE=$(((1016+1) * 1024 / 512)) #bootloader partition=1016K (see `genimage` script in buildroot)
-## boot_size calculated to 512 byte sector size blocks, adding +1K as a safety measure for roundups (at fatresize we use KibiBits)
-
-#Calculate unallocated left space to expand MAIN:
-SD_MAX_UNALL_SIZE="$((${SD_SIZE} - (${P1_SIZE} + ${P2_SIZE} + ${P3_SIZE} + ${P4_SIZE}) - $BOOT_SIZE))"
-SD_MAX_UNALL_SIZE_IN_MiB=$((SD_MAX_UNALL_SIZE * 512 / 1024 / 1024))
-SD_MAX_UNALL_SIZE_IN_GiB=$(echo "scale=1; ${SD_MAX_UNALL_SIZE} * 512 / 1024 / 1024 / 1024" | bc)
-
-#Calculate available space for 4'th partition (MAIN):
-SD_MAX_AVAIL_SIZE="$((${SD_SIZE} - (${P1_SIZE} + ${P2_SIZE} + ${P3_SIZE}) - $BOOT_SIZE))"
-SD_MAX_AVAIL_SIZE_IN_KiB=$((SD_MAX_AVAIL_SIZE * 512 / 1024))
-
-# Expand_MAIN_Partition-prompt for fatresize the p4 partition if requested
 RESIZE_COMMENCED=false
 if (dialog --clear --stdout --ok-label YES --cancel-label NO --title "   AUTO-RESIZE" \
    --colors --pause "\n\n       \ZuExpand MAIN partition?\Zn\n\n   Select an option & press START
-   \n\n             \ZbWARNING:\Zn\n       After 10s auto-resize\n   of FAT32 partition will begin." 15 60 10); then
+   \n\n             \ZbWARNING:\Zn\n       After 10s auto-resize\n   of BTRFS partition will begin." 15 60 10); then
 	clear
-	RESIZE_ABORT=false
-	if test "$SD_SIZE_IN_GiB" -gt 128; then
-		if (dialog --clear --stdout --ok-label NO --cancel-label YES --title "   \Zb\Z1WARNING!\Zn" \
-		--colors --pause "\nYour SD card exceeds max. size for auto-resizing! 
-		\n\nWe could however expand it to 118GB. \n\n           \ZuDo you AGREE?\Zn
-		\n\n\ZbINFO: For microSD >128GB big we\n      recommend to use your PC!\Zn" 0 0 30 || test $? -eq 255); then
-			dialog --clear --colors --timeout 2 --msgbox " FAT resizing \ZuABORTED!\Zn" 5 27
-			clear
-			RESIZE_ABORT=true
-		else
-			SD_MAX_AVAIL_SIZE_IN_KiB=123731968
-		fi
-	fi
-	SD_MAX_AVAIL_SIZE_IN_GiB=$(echo "scale=1; ${SD_MAX_AVAIL_SIZE_IN_KiB} / 1024 / 1024" | bc) #only to inform user about end point for resize
-	SD_MAX_AVAIL_SIZE_IN_GB=$(echo "scale=1; ${SD_MAX_AVAIL_SIZE_IN_KiB} * 1024 / 1000 / 1000 / 1000" | bc)
-	P4_SIZE_IN_GB=$(echo "scale=1; ${P4_SIZE} * 512 / 1000 / 1000 / 1000" | bc)
-	# roundup GB value to 0,1GB for integer calculations:
-	SD_MAX_AVAIL_SIZE_IN_GBx10=$(echo "$SD_MAX_AVAIL_SIZE_IN_GB" | tr -d ".")
-	P4_SIZE_IN_GBx10=$(echo "$P4_SIZE_IN_GB" | tr -d ".")
-	#Sanity checks if we don't down- or over-resize partition:
-	if (test "$P4_SIZE_IN_GBx10" -ge "$SD_MAX_AVAIL_SIZE_IN_GBx10" || test "$SD_MAX_UNALL_SIZE_IN_MiB" -le 15); then
-		echo "Your MAIN partition is greater than available space for resizing or you lack unallocated sectors space" | tee -a ${LOG}
-		sleep 1.5
-		RESIZE_ABORT=true
-	fi
-	echo "The full size of your SD is ${SD_SIZE_IN_MiB}MB large" | tee -a ${LOG}
-	echo "Unallocated space available for resizing equals ${SD_MAX_UNALL_SIZE_IN_GiB}GB," | tee -a ${LOG}
-	echo "and more precisely it's ${SD_MAX_UNALL_SIZE_IN_MiB}MB big" | tee -a ${LOG}
-	if ! $RESIZE_ABORT; then
-		echo "Resizing the MAIN partition to ${SD_MAX_AVAIL_SIZE_IN_GiB}GB." | tee -a ${LOG}
-		echo "This can take A LONG TIME, so be patient." | tee -a ${LOG}
-		umount /dev/mmcblk0p4 | tee -a ${LOG}
-		fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
-		#TODO: fix outputting logs from fatresize stdout
-		fatresize --size="${SD_MAX_AVAIL_SIZE_IN_KiB}"ki -v -p /dev/mmcblk0p4 -n4 | tee -a ${LOG}
-		fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
-		echo -n -e \\xEB\\x58\\x90 > /dev/mmcblk0p4
-		sync
-		mount -t vfat -o rw,sync,utf8 /dev/mmcblk0p4 ${HOME} | tee -a ${LOG}
-	else
-		echo "MAIN fat partition resizing was aborted!" | tee -a ${LOG}
-		sleep 2
-	fi
+	echo "Resizing the MAIN partition." | tee -a ${LOG}
+	echo "This can take few seconds." | tee -a ${LOG}
+	umount /dev/mmcblk0p4 | tee -a ${LOG}
+	parted -a optimal /dev/mmcblk0 --script rm 4  | tee -a ${LOG}
+	parted -a optimal /dev/mmcblk0 --script mkpart primary 546MB 100%  | tee -a ${LOG}
+	partx -u /dev/mmcblk0  | tee -a ${LOG}
+	mount /dev/mmcblk0p4 ${HOME} | tee -a ${LOG}
+	btrfs filesystem resize max ${HOME}
 	RESIZE_COMMENCED=true
 fi
 
@@ -577,40 +520,22 @@ mv "${MOUNTDIR}/firstboot" "${MOUNTDIR}/firstboot.done" | tee -a ${LOG}
 # copy over the config files
 echo "Copying default configuration files into place..." | tee -a ${LOG}
 if $BITTBOY_CONFIG; then
-	cp "${HOME}/gmenu2x/input_bittboy.conf" "${MOUNTDIR}/configs/input.conf"
+	cp "${HOME}/gmenu2x/input_bittboy.conf" "${HOME}/gmenu2x/input.conf"
 elif $MIYOO_CONFIG; then
-	cp "${HOME}/gmenu2x/input_miyoo.conf" "${MOUNTDIR}/configs/input.conf"
+	cp "${HOME}/gmenu2x/input_miyoo.conf" "${HOME}/gmenu2x/input.conf"
 fi
 mount -o remount,ro "${MOUNTDIR}" | tee -a ${LOG}
-if test -r "${BASEDIR}/configs/manifest"; then
-	cat "${BASEDIR}/configs/manifest" | while read -r LINE; do
-		if test "${LINE}" == "${LINE#!}" -a "${LINE}" != "" ; then
-			set -- ${LINE}
-			# 1               2
-			# source_filename target_filename/inside main/
-			if test -r "${BASEDIR}/configs/$1"; then
-				TO="$2"
-				if test "${TO}" == ""; then
-					TO="$1"
-				fi
-				echo "Copying $1 to ${HOME}/$TO..." | tee -a ${LOG}
-				cp -f "${BASEDIR}/configs/$1" "${HOME}/$TO" | tee -a ${LOG}
-			fi
-		fi
-	done
-fi
-echo "Renaming ${HOME}/retroarch directory to ${HOME}/.retroarch" | tee -a ${LOG}
-mv "${HOME}/retroarch" "${HOME}/.retroarch" | tee -a ${LOG}
 
-echo
+echo "fix permsissions"  | tee -a ${LOG}
+chmod -R +x /mnt/apps/  | tee -a ${LOG}
 
 sync
 echo "firstboot script finished." | tee -a ${LOG}
 touch ${HOME}/firstboot.completed
 echo
 
 # Reboot device if CONSOLE_VARIANT was overwritten from $CHOICE so that it could be applied in u-boot by readID 
-## or resizing FAT partition has completed / found firstboot custom script
+## or resizing BTRFS partition has completed / found firstboot custom script
 if ($CONSOLE_OVERWRITE || $RESIZE_COMMENCED || test -r "${BASEDIR}/firstboot.custom.sh"); then
 	safe_reboot_func
 else

board/miyoo/genimage-sdcard.cfg

@@ -14,32 +14,10 @@ image bootfs.vfat {
 			"boot/modules.custom.sh",
 			"boot/normalboot.custom.sh",
 		}
-		file configs/manifest {
-			image = "boot/configs/manifest"
-		}
-		file configs/.volume.conf {
-			image = "boot/configs/.volume.conf"
-		}
-		file configs/.buttons.conf {
-			image = "boot/configs/.buttons.conf"
-		}
-		file configs/.batterylow.conf {
-			image = "boot/configs/.batterylow.conf"
-		}
-		file configs/.backlight.conf {
-			image = "boot/configs/.backlight.conf"
-		}
 	}
 	size = 8M
 }
 
-image mainfs.vfat {
-	vfat {
-		label = "MAIN"
-	}
-	mountpoint = "../../../images/main/"
-	size = 640M
-}
 
 
 image ${IMAGE_NAME:-miyoo-cfw-2.0.0.img} {
@@ -70,8 +48,8 @@ image ${IMAGE_NAME:-miyoo-cfw-2.0.0.img} {
 	}
 
 	partition main {
-		partition-type = 0xc
+		partition-type = 0x83
 		bootable = "false"
-		image = "mainfs.vfat"
+		image = "main.img"
 	}
 }

board/miyoo/main/apps/fsck/fsck.sh

@@ -13,18 +13,6 @@ echo -e "\e[32mChecking FAT32 (BOOT) partition...\e[0m"
 fsck.vfat -a /dev/mmcblk0p1
 fi
 
-if dmesg | grep "mmcblk0p4"; then
-echo -e "\e[31mUnclean shutdown detected.\e[0m"
-echo -e "\e[32mChecking FAT32 (MAIN) partition...\e[0m" 
-fsck.vfat -a /dev/mmcblk0p4
-echo " "
-echo "Rebooting device, please wait..."
-echo " "
-sleep 2
-sync
-reboot
-fi
-
 echo "Finished!"
 echo " "
 echo " "

board/miyoo/main/apps/usb-hid/usb-hid.sh

@@ -5,20 +5,13 @@ st_error_func(){
 st_exec_func(){
 	st -k -e "/bin/sh" "-c" "${1}"
 }
-
-MUSB_MODE=$(cat /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode)
-if ! (test "${MUSB_MODE}" = "b_peripheral"); then
-	st_error_func "\n\n\n\n\n\n\n\n         First connect handheld to device!"
-	exit
-else
-	gadget-vid-pid-remove 0x1d6b:0x0104
+	killall umtprd
+	modprobe -r g_serial
+	mount none /sys/kernel/config -t configfs
 	gadget-hid
-
 	st_exec_func "\
 	echo -e \"\e[32m\n\n\n\n\n\n               Starting USB-HID mode\e[0m\n\n\n\"; \
 	sleep 1; \
 	python /mnt/apps/usb-hid/usb-hid.py"
 
-	gadget-vid-pid-remove 0x1d6b:0x0104
-	gadget-ms /dev/mmcblk0p1 /dev/mmcblk0p4
-fi
+	gadget-vid-pid-remove 0x1d6b:0x0104

board/miyoo/main/apps/usb-mtd/usb-mtd.sh

@@ -0,0 +1,5 @@
+#!/bin/busybox sh
+
+modprobe -r g_serial
+killall umtprd
+umtprd &

board/miyoo/main/apps/usb-serial-console/usb-serial.sh

@@ -0,0 +1,3 @@
+#!/bin/busybox sh
+killall umtprd
+modprobe g_serial

board/miyoo/main/gmenu2x/sections/applications/usb-mtd

@@ -0,0 +1,3 @@
+title=USB MTD
+description=USB MTD mass storage
+exec=/mnt/apps/usb-mtd/usb-mtd.sh

board/miyoo/main/gmenu2x/sections/applications/usb-peripheral

@@ -0,0 +1,3 @@
+title=USB peripheral
+description=USB peripheral mode
+exec=/mnt/apps/usb-peripheral/usb-peripheral.sh

board/miyoo/main/gmenu2x/sections/applications/usb-serial-console

@@ -0,0 +1,3 @@
+title=USB serial console
+description=USB Serial console
+exec=/mnt/apps/usb-serial-console/usb-serial.sh

board/miyoo/main/options.cfg

@@ -1,5 +1,4 @@
 MODULES_CUSTOM=0 
-FAT_CHECK=1 
 BOOT_LOGO=1 
 FLIP= (put 0 or 1 to overwrite)
 INVERT= (put 0 or 1 to overwrite)

board/miyoo/rootfs/etc/inittab

@@ -20,7 +20,7 @@
 ::sysinit:/bin/mkdir -p /dev/shm
 ::sysinit:/bin/mount -a
 ::sysinit:/bin/hostname -F /etc/hostname
-::sysinit:/bin/mount /dev/mmcblk0p4 /mnt -t vfat -o rw,sync,utf8
+::sysinit:/bin/mount /dev/mmcblk0p4 /mnt -o discard=async,noatime,nodiratime,exec
 ::sysinit:/bin/mount /dev/mmcblk0p1 /boot -t vfat -o ro,exec,sync,utf8
 ::sysinit:/sbin/mkswap /dev/mmcblk0p3
 ::sysinit:/sbin/swapon /dev/mmcblk0p3

board/miyoo/rootfs/etc/main

@@ -26,9 +26,9 @@ fi
 # load kernel modules
 
 # load usb gadget
-mount -t configfs none /sys/kernel/config >> "${LOGS}" 2>&1
-gadget-ms /dev/mmcblk0p1 /dev/mmcblk0p4 >> "${LOGS}" 2>&1
-
+modprobe g_ffs idVendor=0x1D6B iSerialNumber=01234567 functions=mtp  >> "${LOGS}" 2>&1
+mkdir /dev/ffs-mtp && mount -t functionfs mtp /dev/ffs-mtp  >> "${LOGS}" 2>&1
+umtprd >> "${LOGS}" 2>&1 &
 
 # Load the expected one screen driver from here with modprobe 
 ## automatically from rootfs/lib/modules/VERSION
@@ -76,20 +76,6 @@ elif test -r "${HOME}/firstboot.completed"; then
 	rm "${HOME}/firstboot.completed"
 fi
 
-if !(grep -q FAT_CHECK\=\0 "${HOME}/options.cfg"); then
-##Check if fat32 is flagged as "dirty", and if so unmount, repair, remount
-	if dmesg | grep "mmcblk0p4" > /dev/null;  then
-		echo -e "\e[31mUnclean shutdown detected.\e[0m"
-		echo -e "\e[32mChecking FAT32 partition...\e[0m"
-		umount /dev/mmcblk0p4
-		fsck.vfat -y /dev/mmcblk0p4 > /dev/null; 
-		mount /dev/mmcblk0p4 "${HOME}" -t vfat -o rw,sync,utf8
-		echo -e "\e[32mCheck complete.\e[0m"
-	fi
-fi
-
-clear
-
 # try to read what handheld we're on
 if test -r "${BOOTDIR}/console.cfg"; then
 	source "${BOOTDIR}/console.cfg"

board/miyoo/rootfs/etc/umtprd/umtprd.conf

@@ -0,0 +1,88 @@
+#
+# uMTP Responder config file
+# Must be copied to /etc/umtprd/umtprd.conf
+#
+
+# Loop / daemon mode
+# Set to 1 to don't shutdown uMTPrd when the link is disconnected.
+
+loop_on_disconnect 1
+
+#storage command : Create add a storage entry point. Up to 16 entry points supported
+#Syntax : storage "PATH" "NAME"
+
+storage "/"                     "rootfs" "ro"
+storage "/mnt"                  "MAIN" "rw"
+storage "/boot"                     "BOOT" "ro"
+
+#
+# Uncomment the following line if you want to 
+# override the system default umask value for 
+# the uploaded files.
+#
+
+umask 000
+
+# Set the USB manufacturer string
+
+manufacturer "MIyoo CFW 2.0"
+
+# Set the USB Product string
+
+product "handheld"
+
+# Set the USB Serial number string
+
+serial "01234567"
+
+# Set the USB interface string. Should be always "MTP"
+
+interface "MTP"
+
+# Set the USB Vendor ID, Product ID and class
+
+usb_vendor_id  0x1D6B # Linux Foundation
+usb_product_id 0x0100 # PTP Gadget
+usb_class 0x6         # Image
+usb_subclass 0x1      # Still Imaging device
+usb_protocol 0x1      #
+
+# Device version
+
+usb_dev_version 0x3008
+
+# inotify support
+# If you want disable the events support (beta), uncomment the following line :
+
+# no_inotify 0x1
+
+#
+# Internal buffers size
+#
+
+# Internal default usb_max_rd_buffer_size and usb_max_wr_buffer_size value set to 0x10000.
+# Internal default read_buffer_cache_size value set to 0x100000.
+# Uncomment the following lines to reduce the buffers sizes to fix USB issues on iMX6 based systems.
+
+ usb_max_rd_buffer_size 0x10000      # MAX usb read size. Must be a multiple of 512 and be less than read_buffer_cache_size
+ usb_max_wr_buffer_size 0x10000      # MAX usb write size. Must be a multiple of 512.
+ read_buffer_cache_size 0x80000     # Read file cache buffer. Must be a 2^x value.
+
+#
+# USB gadget device driver path
+#
+
+########################################################################
+#
+# -- Generic FunctionFS Mode --
+#
+########################################################################
+
+usb_functionfs_mode 0x1
+
+usb_dev_path   "/dev/ffs-mtp/ep0"
+usb_epin_path  "/dev/ffs-mtp/ep1"
+usb_epout_path "/dev/ffs-mtp/ep2"
+usb_epint_path "/dev/ffs-mtp/ep3"
+
+usb_max_packet_size 0x200