HelenOS sources

s3c24xx_uart_io_t   61 kernel/genarch/include/genarch/drivers/s3c24xx/uart.h } s3c24xx_uart_io_t;
s3c24xx_uart_io_t   62 uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.h } s3c24xx_uart_io_t;
HelenOS homepage, sources at GitHub