diff options
Diffstat (limited to 'hw/audio/sb16.c')
| -rw-r--r-- | hw/audio/sb16.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/audio/sb16.c b/hw/audio/sb16.c index 31de264ab7..5a4d32364e 100644 --- a/hw/audio/sb16.c +++ b/hw/audio/sb16.c @@ -1371,6 +1371,13 @@ static void sb16_realizefn (DeviceState *dev, Error **errp) SB16State *s = SB16 (dev); IsaDmaClass *k; + s->isa_hdma = isa_get_dma(isa_bus_from_device(isadev), s->hdma); + s->isa_dma = isa_get_dma(isa_bus_from_device(isadev), s->dma); + if (!s->isa_dma || !s->isa_hdma) { + error_setg(errp, "ISA controller does not support DMA"); + return; + } + isa_init_irq (isadev, &s->pic, s->irq); s->mixer_regs[0x80] = magic_of_irq (s->irq); @@ -1389,11 +1396,9 @@ static void sb16_realizefn (DeviceState *dev, Error **errp) isa_register_portio_list(isadev, &s->portio_list, s->port, sb16_ioport_list, s, "sb16"); - s->isa_hdma = isa_get_dma(isa_bus_from_device(isadev), s->hdma); k = ISADMA_GET_CLASS(s->isa_hdma); k->register_channel(s->isa_hdma, s->hdma, SB_read_DMA, s); - s->isa_dma = isa_get_dma(isa_bus_from_device(isadev), s->dma); k = ISADMA_GET_CLASS(s->isa_dma); k->register_channel(s->isa_dma, s->dma, SB_read_DMA, s); |