diff options
Diffstat (limited to 'hw/arm/strongarm.c')
| -rw-r--r-- | hw/arm/strongarm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/arm/strongarm.c b/hw/arm/strongarm.c index f1b2c6c966..021cbf9a0f 100644 --- a/hw/arm/strongarm.c +++ b/hw/arm/strongarm.c @@ -1108,7 +1108,9 @@ static void strongarm_uart_tx(void *opaque) if (s->utcr3 & UTCR3_LBM) /* loopback */ { strongarm_uart_receive(s, &s->tx_fifo[s->tx_start], 1); } else if (s->chr) { - qemu_chr_fe_write(s->chr, &s->tx_fifo[s->tx_start], 1); + /* XXX this blocks entire thread. Rewrite to use + * qemu_chr_fe_write and background I/O callbacks */ + qemu_chr_fe_write_all(s->chr, &s->tx_fifo[s->tx_start], 1); } s->tx_start = (s->tx_start + 1) % 8; |