diff options
Diffstat (limited to 'hw/serial.c')
| -rw-r--r-- | hw/serial.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/serial.c b/hw/serial.c index 0fc1ccb9d0..3fe482c391 100644 --- a/hw/serial.c +++ b/hw/serial.c @@ -133,7 +133,10 @@ static void serial_ioport_write(void *opaque, uint32_t addr, uint32_t val) if (s->lcr & UART_LCR_DLAB) { s->divider = (s->divider & 0x00ff) | (val << 8); } else { - s->ier = val; + s->ier = val & 0x0f; + if (s->lsr & UART_LSR_THRE) { + s->thr_ipending = 1; + } serial_update_irq(s); } break; @@ -143,7 +146,7 @@ static void serial_ioport_write(void *opaque, uint32_t addr, uint32_t val) s->lcr = val; break; case 4: - s->mcr = val; + s->mcr = val & 0x1f; break; case 5: break; |