[DEFCONFIG/BOARD] Fix permissions, mount rootfs read-only, create swap in firstboot (#66)

* Fix permissions

* Enable swap in firstboot, change btrfs commit interval to 5s

board/miyoo/boot/firstboot

@@ -497,6 +497,11 @@ if (dialog --clear --ok-label NO --cancel-label YES --stdout --title "   License
 	console_unknown_func
 	safe_poweroff_func
 fi
+
+# Format swap parition
+/sbin/mkswap /dev/mmcblk0p3
+/sbin/swapon /dev/mmcblk0p3
+
 mount -o remount,ro "${MOUNTDIR}" | tee -a ${LOG}
 
 #grep all partitions current size
@@ -569,9 +574,6 @@ elif $MIYOO_CONFIG; then
 fi
 mount -o remount,ro "${MOUNTDIR}" | tee -a ${LOG}
 
-echo "fix permsissions"  | tee -a ${LOG}
-chmod -R +x /mnt/  | tee -a ${LOG}
-
 sync
 echo "firstboot script finished." | tee -a ${LOG}
 touch ${HOME}/firstboot.completed

board/miyoo/rootfs/etc/inittab

@@ -15,14 +15,12 @@
 
 # Startup the system
 ::sysinit:/bin/mount -t proc proc /proc
-::sysinit:/bin/mount -o remount,ro /
 ::sysinit:/bin/mkdir -p /dev/pts
 ::sysinit:/bin/mkdir -p /dev/shm
 ::sysinit:/bin/mount -a
 ::sysinit:/bin/hostname -F /etc/hostname
-::sysinit:/bin/mount /dev/mmcblk0p4 /mnt -o discard=async,noatime,nodiratime,exec
+::sysinit:/bin/mount /dev/mmcblk0p4 /mnt -o commit=5,flushoncommit,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
 
 # now run any rc scripts

board/miyoo/scripts/genimage.sh

@@ -28,6 +28,7 @@ if test -d "${BINARIES_DIR}/retroarch";then
 			CORE_SCRIPT="${CORE_NAME}.sh"
 			touch $RA_WDIR/"${CORE_SCRIPT}" 
 			echo -e "#!/bin/sh\n/mnt/emus/retroarch/retroarch -L ${CORE_FILE} \"\$1\"" > $RA_WDIR/"${CORE_SCRIPT}"
+			chmod +x $RA_WDIR/"${CORE_SCRIPT}"
 			# RA_LDIR="${BINARIES_DIR}/main/gmenu2x/sections/cores"
 			# CORE_LINK="zblank.${CORE_NAME}.ra"
 			# touch $RA_LDIR/"${CORE_LINK}"