diff options
Diffstat (limited to 'hw/char/ipoctal232.c')
| -rw-r--r-- | hw/char/ipoctal232.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/hw/char/ipoctal232.c b/hw/char/ipoctal232.c index 2859fdd7fb..93929c2880 100644 --- a/hw/char/ipoctal232.c +++ b/hw/char/ipoctal232.c @@ -93,7 +93,7 @@ typedef struct SCC2698Block SCC2698Block; struct SCC2698Channel { IPOctalState *ipoctal; - CharDriverState *dev; + CharBackend dev; bool rx_enabled; uint8_t mr[2]; uint8_t mr_idx; @@ -288,9 +288,7 @@ static uint16_t io_read(IPackDevice *ip, uint8_t addr) if (ch->rx_pending == 0) { ch->sr &= ~SR_RXRDY; blk->isr &= ~ISR_RXRDY(channel); - if (ch->dev) { - qemu_chr_accept_input(ch->dev); - } + qemu_chr_fe_accept_input(&ch->dev); } else { ch->rhr_idx = (ch->rhr_idx + 1) % RX_FIFO_SIZE; } @@ -357,13 +355,11 @@ static void io_write(IPackDevice *ip, uint8_t addr, uint16_t val) case REG_THRa: case REG_THRb: if (ch->sr & SR_TXRDY) { + uint8_t thr = reg; DPRINTF("Write THR%c (0x%x)\n", channel + 'a', reg); - if (ch->dev) { - uint8_t thr = reg; - /* XXX this blocks entire thread. Rewrite to use - * qemu_chr_fe_write and background I/O callbacks */ - qemu_chr_fe_write_all(ch->dev, &thr, 1); - } + /* XXX this blocks entire thread. Rewrite to use + * qemu_chr_fe_write and background I/O callbacks */ + qemu_chr_fe_write_all(&ch->dev, &thr, 1); } else { DPRINTF("Write THR%c (0x%x), Tx disabled\n", channel + 'a', reg); } @@ -546,9 +542,10 @@ static void ipoctal_realize(DeviceState *dev, Error **errp) ch->ipoctal = s; /* Redirect IP-Octal channels to host character devices */ - if (ch->dev) { - qemu_chr_add_handlers(ch->dev, hostdev_can_receive, - hostdev_receive, hostdev_event, ch); + if (qemu_chr_fe_get_driver(&ch->dev)) { + qemu_chr_fe_set_handlers(&ch->dev, hostdev_can_receive, + hostdev_receive, hostdev_event, + ch, NULL, true); DPRINTF("Redirecting channel %u to %s\n", i, ch->dev->label); } else { DPRINTF("Could not redirect channel %u, no chardev set\n", i); |