diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/display/xlnx_dp.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c index cfd4c700b7..cc5b650df0 100644 --- a/hw/display/xlnx_dp.c +++ b/hw/display/xlnx_dp.c @@ -427,11 +427,18 @@ static uint8_t xlnx_dp_aux_pop_rx_fifo(XlnxDPState *s) uint8_t ret; if (fifo8_is_empty(&s->rx_fifo)) { - DPRINTF("rx_fifo underflow..\n"); - abort(); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Reading empty RX_FIFO\n", + __func__); + /* + * The datasheet is not clear about the reset value, it seems + * to be unspecified. We choose to return '0'. + */ + ret = 0; + } else { + ret = fifo8_pop(&s->rx_fifo); + DPRINTF("pop 0x%" PRIX8 " from rx_fifo.\n", ret); } - ret = fifo8_pop(&s->rx_fifo); - DPRINTF("pop 0x%" PRIX8 " from rx_fifo.\n", ret); return ret; } |