menuconfig RT_USING_RPMSG bool "Using Remote Processor Messaging (RPMSG)" select RT_USING_DEVICE_IPC select RT_USING_SYSTEM_WORKQUEUE default n config RT_RPMSG_CHAR_MSG_MAX int "Char device message receive max" depends on RT_USING_RPMSG default 64 config RT_RPMSG_CHAR_MSG_SIZE_MAX int "Char device message size max" depends on RT_USING_RPMSG default 256 if RT_USING_RPMSG osource "$(SOC_DM_RPMSG_DIR)/Kconfig" endif