menu "RISCV qemu virt64 configs" menuconfig BSP_USING_UART1 bool "Enable UART1" default n if BSP_USING_UART1 config BSP_UART1_TXD_PIN int "uart1 TXD pin number" default 20 config BSP_UART1_RXD_PIN int "uart1 RXD pin number" default 21 endif config RISCV_S_MODE bool "RT-Thread run in riscv smode" default y endmenu