Archipelago » qemu

static void ide_sector_write_aio_cb(void *opaque, int ret)

{

    BMDMAState *bm = opaque;

    IDEState *s = bm->ide_if;

#ifdef TARGET_I386

    if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {

	/* It seems there is a bug in the Windows 2000 installer HDD

	   IDE driver which fills the disk with empty logs when the

	   IDE write IRQ comes too early. This hack tries to correct

	   that at the expense of slower write performances. Use this

	   option _only_ to install Windows 2000. You must disable it

	   for normal use. */

	qemu_mod_timer(s->sector_write_timer,

		       qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));

    } else

#endif

    {

	ide_set_irq(s);

    }

    bm->aiocb = NULL;

}

    BMDMAState *bm;

    int n, n1;

    s->io_buffer_index = 0;

    s->io_buffer_size = 0;

    bm = s->bmdma;

    if(bm == NULL) {

	bm = qemu_mallocz(sizeof(BMDMAState));

	s->bmdma = bm;

    }

    bm->ide_if = s;

    bm->dma_cb = ide_sector_write_aio_cb;

    bm->aiocb = bdrv_aio_write(s->bs, sector_num, s->io_buffer, n,

			       ide_sector_write_aio_cb, bm);