static uint16_t md_common_read(void *opaque, uint32_t at)
{
MicroDriveState *s = opaque;
IDEState *ifs;
uint16_t ret;
at -= s->io_base;
switch (s->opt & OPT_MODE) {
case OPT_MODE_MMAP:
if ((at & ~0x3ff) == 0x400)
at = 0;
break;
case OPT_MODE_IOMAP16:
at &= 0xf;
break;
case OPT_MODE_IOMAP1:
if ((at & ~0xf) == 0x3f0)
at -= 0x3e8;
else if ((at & ~0xf) == 0x1f0)
at -= 0x1f0;
break;
case OPT_MODE_IOMAP2:
if ((at & ~0xf) == 0x370)
at -= 0x368;
else if ((at & ~0xf) == 0x170)
at -= 0x170;
}
switch (at) {
case 0x0: /* Even RD Data */
case 0x8:
return ide_data_readw(&s->bus, 0);
/* TODO: 8-bit accesses */
if (s->cycle)
ret = s->io >> 8;
else {
s->io = ide_data_readw(&s->bus, 0);
ret = s->io & 0xff;
}
s->cycle = !s->cycle;
return ret;
case 0x9: /* Odd RD Data */
return s->io >> 8;
case 0xd: /* Error */
return ide_ioport_read(&s->bus, 0x1);
case 0xe: /* Alternate Status */
ifs = idebus_active_if(&s->bus);
if (ifs->bs)
return ifs->status;
else
return 0;
case 0xf: /* Device Address */
ifs = idebus_active_if(&s->bus);
return 0xc2 | ((~ifs->select << 2) & 0x3c);
default:
return ide_ioport_read(&s->bus, at);
}
static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
{
DBDMA_io *io = opaque;
MACIOIDEState *m = io->opaque;
IDEState *s = idebus_active_if(&m->bus);
int unaligned;
if (ret < 0) {
m->aiocb = NULL;
qemu_sglist_destroy(&s->sg);
ide_atapi_io_error(s, ret);
io->remainder_len = 0;
goto done;
}
if (!m->dma_active) {
MACIO_DPRINTF("waiting for data (%#x - %#x - %x)\n",
s->nsector, io->len, s->status);
/* data not ready yet, wait for the channel to get restarted */
io->processing = false;
return;
}
MACIO_DPRINTF("io_buffer_size = %#x\n", s->io_buffer_size);
if (s->io_buffer_size > 0) {
m->aiocb = NULL;
qemu_sglist_destroy(&s->sg);
s->packet_transfer_size -= s->io_buffer_size;
s->io_buffer_index += s->io_buffer_size;
s->lba += s->io_buffer_index >> 11;
s->io_buffer_index &= 0x7ff;
}
/*
* Implementation of an interface to adjust firmware path
* for the bootindex property handling.
*/
static char *heathrow_fw_dev_path(FWPathProvider *p, BusState *bus,
DeviceState *dev)
{
PCIDevice *pci;
IDEBus *ide_bus;
IDEState *ide_s;
MACIOIDEState *macio_ide;
if (!strcmp(object_get_typename(OBJECT(dev)), "macio-oldworld")) {
pci = PCI_DEVICE(dev);
return g_strdup_printf("mac-io@%x", PCI_SLOT(pci->devfn));
}
if (!strcmp(object_get_typename(OBJECT(dev)), "macio-ide")) {
macio_ide = MACIO_IDE(dev);
return g_strdup_printf("ata-3@%x", macio_ide->addr);
}
if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
ide_s = idebus_active_if(ide_bus);
if (ide_s->drive_kind == IDE_CD) {
return g_strdup("cdrom");
}
return g_strdup("disk");
}
if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
return g_strdup("disk");
}
if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
return g_strdup("cdrom");
}
if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
return g_strdup("disk");
}
return NULL;
}
static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
{
DBDMA_io *io = opaque;
MACIOIDEState *m = io->opaque;
IDEState *s = idebus_active_if(&m->bus);
if (ret < 0) {
m->aiocb = NULL;
qemu_sglist_destroy(&s->sg);
ide_atapi_io_error(s, ret);
goto done;
}
if (s->io_buffer_size > 0) {
m->aiocb = NULL;
qemu_sglist_destroy(&s->sg);
s->packet_transfer_size -= s->io_buffer_size;
s->io_buffer_index += s->io_buffer_size;
s->lba += s->io_buffer_index >> 11;
s->io_buffer_index &= 0x7ff;
}
