diff options
Diffstat (limited to 'hw/char/grlib_apbuart.c')
| -rw-r--r-- | hw/char/grlib_apbuart.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/char/grlib_apbuart.c b/hw/char/grlib_apbuart.c index 871524c82f..778148a15e 100644 --- a/hw/char/grlib_apbuart.c +++ b/hw/char/grlib_apbuart.c @@ -203,7 +203,9 @@ static void grlib_apbuart_write(void *opaque, hwaddr addr, /* Transmit when character device available and transmitter enabled */ if ((uart->chr) && (uart->control & UART_TRANSMIT_ENABLE)) { c = value & 0xFF; - qemu_chr_fe_write(uart->chr, &c, 1); + /* XXX this blocks entire thread. Rewrite to use + * qemu_chr_fe_write and background I/O callbacks */ + qemu_chr_fe_write_all(uart->chr, &c, 1); /* Generate interrupt */ if (uart->control & UART_TRANSMIT_INTERRUPT) { qemu_irq_pulse(uart->irq); |