Archipelago » qemu

static void pxa2xx_dma_request(void *opaque, int req_num, int on);

static void pxa2xx_dma_request(void *opaque, int req_num, int on)

{

    PXA2xxDMAState *s = opaque;

    int ch;

    if (req_num < 0 || req_num >= PXA2XX_DMA_NUM_REQUESTS)

        hw_error("%s: Bad DMA request %i\n", __FUNCTION__, req_num);

    if (!(s->req[req_num] & DRCMR_MAPVLD))

        return;

    ch = s->req[req_num] & DRCMR_CHLNUM;

    if (!s->chan[ch].request && on)

        s->chan[ch].state |= DCSR_RASINTR;

    else

        s->chan[ch].state &= ~DCSR_RASINTR;

    if (s->chan[ch].request && !on)

        s->chan[ch].state |= DCSR_EORINT;

    s->chan[ch].request = on;

    if (on) {

        pxa2xx_dma_run(s);

        pxa2xx_dma_update(s, ch);

    }

}