| 71,12 → 71,22 |
|---|
| return i; |
| } |
| |
| static chardev_operations_t serial_ops = { |
| .resume = serial_enable, |
| .suspend = serial_disable, |
| .write = serial_write |
| }; |
| /** Read character from serial port, wait until available */ |
| static char serial_do_read(chardev_t *dev) |
| { |
| serial_t *sd = (serial_t *)dev->data; |
| char ch; |
| |
| while (!(SERIAL_READ_LSR(sd->port) & 1)) |
| ; |
| ch = SERIAL_READ(sd->port); |
| |
| if (ch =='\r') |
| ch = '\n'; |
| return ch; |
| } |
| |
| |
| /** Process keyboard interrupt. Does not work in simics? */ |
| static void serial_interrupt(int n, void *stack) |
| { |
| 93,6 → 103,14 |
|---|
| } |
| |
| |
| |
| static chardev_operations_t serial_ops = { |
| .resume = serial_enable, |
| .suspend = serial_disable, |
| .write = serial_write, |
| .read = serial_do_read |
| }; |
| |
| iroutine old_timer; |
| /** Do polling on timer interrupt */ |
| static void timer_replace(int n, void *stack) |