diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/char/serial.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/hw/char/serial.c b/hw/char/serial.c index 904b218..0b09094 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -106,6 +106,7 @@ do {} while (0) #endif static void serial_receive1(void *opaque, const uint8_t *buf, int size); +static void serial_xmit(SerialState *s); static inline void recv_fifo_put(SerialState *s, uint8_t chr) { @@ -223,10 +224,16 @@ static void serial_update_msl(SerialState *s) } } -static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void *opaque) +static gboolean serial_watch_cb(GIOChannel *chan, GIOCondition cond, + void *opaque) { SerialState *s = opaque; + serial_xmit(s); + return FALSE; +} +static void serial_xmit(SerialState *s) +{ do { assert(!(s->lsr & UART_LSR_TEMT)); if (s->tsr_retry == 0) { @@ -254,9 +261,9 @@ static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void *opaque) } else if (qemu_chr_fe_write(s->chr, &s->tsr, 1) != 1) { if (s->tsr_retry < MAX_XMIT_RETRY && qemu_chr_fe_add_watch(s->chr, G_IO_OUT|G_IO_HUP, - serial_xmit, s) > 0) { + serial_watch_cb, s) > 0) { s->tsr_retry++; - return FALSE; + return; } } s->tsr_retry = 0; @@ -267,11 +274,8 @@ static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void *opaque) s->last_xmit_ts = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); s->lsr |= UART_LSR_TEMT; - - return FALSE; } - /* Setter for FCR. is_load flag means, that value is set while loading VM state and interrupt should not be invoked */ @@ -329,7 +333,7 @@ static void serial_ioport_write(void *opaque, hwaddr addr, uint64_t val, s->lsr &= ~UART_LSR_TEMT; serial_update_irq(s); if (s->tsr_retry == 0) { - serial_xmit(NULL, G_IO_OUT, s); + serial_xmit(s); } } break; |