Symbol: UART_IE_RXWM
sys/arch/riscv64/dev/sfuart.c
409
HSET4(sc, UART_IE, UART_IE_RXWM);
sys/arch/riscv64/dev/sfuart.c
468
HCLR4(sc, UART_IE, UART_IE_TXWM | UART_IE_RXWM);