mainmenu "RT-Thread Project Configuration" config BSP_DIR string option env="BSP_ROOT" default "." config RTT_DIR string option env="RTT_ROOT" default "../../" config PKGS_DIR string option env="PKGS_ROOT" default "packages" source "$RTT_DIR/Kconfig" source "$PKGS_DIR/Kconfig" config BOARD_virt bool select ARCH_RISCV64 select RT_USING_COMPONENTS_INIT select RT_USING_USER_MAIN default y config RT_USING_USERSPACE bool default y source "driver/Kconfig" config __STACKSIZE__ int "stack size for interrupt" default 4096