Revision 741402f9 hw/fdc.c
| b/hw/fdc.c | ||
|---|---|---|
| 395 | 395 |
uint8_t lock; |
| 396 | 396 |
/* Power down config (also with status regB access mode */ |
| 397 | 397 |
uint8_t pwrd; |
| 398 |
/* Sun4m quirks? */ |
|
| 399 |
int sun; |
|
| 398 | 400 |
/* Floppy drives */ |
| 399 | 401 |
fdrive_t drives[2]; |
| 400 | 402 |
}; |
| ... | ... | |
| 405 | 407 |
uint32_t retval; |
| 406 | 408 |
|
| 407 | 409 |
switch (reg & 0x07) {
|
| 408 |
#ifdef TARGET_SPARC |
|
| 409 | 410 |
case 0x00: |
| 410 |
// Identify to Linux as S82078B |
|
| 411 |
retval = fdctrl_read_statusB(fdctrl); |
|
| 411 |
if (fdctrl->sun) {
|
|
| 412 |
// Identify to Linux as S82078B |
|
| 413 |
retval = fdctrl_read_statusB(fdctrl); |
|
| 414 |
} else {
|
|
| 415 |
retval = (uint32_t)(-1); |
|
| 416 |
} |
|
| 412 | 417 |
break; |
| 413 |
#endif |
|
| 414 | 418 |
case 0x01: |
| 415 | 419 |
retval = fdctrl_read_statusB(fdctrl); |
| 416 | 420 |
break; |
| ... | ... | |
| 598 | 602 |
fdctrl->dma_chann = dma_chann; |
| 599 | 603 |
fdctrl->io_base = io_base; |
| 600 | 604 |
fdctrl->config = 0x60; /* Implicit seek, polling & FIFO enabled */ |
| 605 |
fdctrl->sun = 0; |
|
| 601 | 606 |
if (fdctrl->dma_chann != -1) {
|
| 602 | 607 |
fdctrl->dma_en = 1; |
| 603 | 608 |
DMA_register_channel(dma_chann, &fdctrl_transfer_handler, fdctrl); |
| ... | ... | |
| 631 | 636 |
return fdctrl; |
| 632 | 637 |
} |
| 633 | 638 |
|
| 639 |
fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base, |
|
| 640 |
BlockDriverState **fds) |
|
| 641 |
{
|
|
| 642 |
fdctrl_t *fdctrl; |
|
| 643 |
|
|
| 644 |
fdctrl = fdctrl_init(irq, 0, 1, io_base, fds); |
|
| 645 |
fdctrl->sun = 1; |
|
| 646 |
|
|
| 647 |
return fdctrl; |
|
| 648 |
} |
|
| 649 |
|
|
| 634 | 650 |
/* XXX: may change if moved to bdrv */ |
| 635 | 651 |
int fdctrl_get_drive_type(fdctrl_t *fdctrl, int drive_num) |
| 636 | 652 |
{
|
| ... | ... | |
| 647 | 663 |
|
| 648 | 664 |
static void fdctrl_raise_irq (fdctrl_t *fdctrl, uint8_t status) |
| 649 | 665 |
{
|
| 650 |
#ifdef TARGET_SPARC |
|
| 651 | 666 |
// Sparc mutation |
| 652 |
if (!fdctrl->dma_en) {
|
|
| 667 |
if (fdctrl->sun && !fdctrl->dma_en) {
|
|
| 653 | 668 |
fdctrl->state &= ~FD_CTRL_BUSY; |
| 654 | 669 |
fdctrl->int_status = status; |
| 655 | 670 |
return; |
| 656 | 671 |
} |
| 657 |
#endif |
|
| 658 | 672 |
if (~(fdctrl->state & FD_CTRL_INTR)) {
|
| 659 | 673 |
qemu_set_irq(fdctrl->irq, 1); |
| 660 | 674 |
fdctrl->state |= FD_CTRL_INTR; |
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