#
# U-Boot bootscript for altbootcmd (boot fallback after N failed boot retries)
#

# U-Boot tries to boot the active system for a number of tries. If the limit
# is reached, altbootcmd is run instead. This is the script that it will run.
# It has to:
#  * switch active partitions bank in case of dual boot systems
#  * reset the 'bootcount' number
#  * reboot the system

if test "${dualboot}" = "yes"; then
	if test "${active_system}" = "linux_a"; then
		setenv active_system linux_b
		part number mmc ${mmcbootdev} linux_b linux_b_index
		setexpr mmcpart ${linux_b_index}
		# Save the partition index on variable rootfs_b_index
		part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
		# Save the rootfs_b UUID into mmcroot_b
		part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
		setenv mmcroot PARTUUID=${mmcroot_b}
	else
		setenv active_system linux_a
		part number mmc ${mmcbootdev} linux_a linux_a_index
		setexpr mmcpart ${linux_a_index}
		# Save the partition index on variable rootfs_a_index
		part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
		# Save the rootfs_a UUID into mmcroot_a
		part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
		setenv mmcroot PARTUUID=${mmcroot_a}
	fi
	saveenv
	echo "## System boot failed; Switching active partitions bank to ${active_system}..."
fi
bootcount reset
reset