diff options
| -rw-r--r-- | hw/char/serial.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/hw/char/serial.c b/hw/char/serial.c index 6d522ff..3aca874 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -645,8 +645,17 @@ static int serial_post_load(void *opaque, int version_id) static bool serial_thr_ipending_needed(void *opaque) { SerialState *s = opaque; - bool expected_value = ((s->iir & UART_IIR_ID) == UART_IIR_THRI); - return s->thr_ipending != expected_value; + + if (s->ier & UART_IER_THRI) { + bool expected_value = ((s->iir & UART_IIR_ID) == UART_IIR_THRI); + return s->thr_ipending != expected_value; + } else { + /* LSR.THRE will be sampled again when the interrupt is + * enabled. thr_ipending is not used in this case, do + * not migrate it. + */ + return false; + } } const VMStateDescription vmstate_serial_thr_ipending = { |