Revision 80355292
| b/hw/pckbd.c | ||
|---|---|---|
| 125 | 125 |
qemu_irq irq_kbd; |
| 126 | 126 |
qemu_irq irq_mouse; |
| 127 | 127 |
target_phys_addr_t base; |
| 128 |
int it_shift; |
|
| 128 | 129 |
} KBDState; |
| 129 | 130 |
|
| 130 | 131 |
KBDState kbd_state; |
| ... | ... | |
| 384 | 385 |
{
|
| 385 | 386 |
KBDState *s = opaque; |
| 386 | 387 |
|
| 387 |
if (addr == s->base) |
|
| 388 |
return kbd_read_data(s, 0); |
|
| 389 |
else |
|
| 390 |
return kbd_read_status(s, 0); |
|
| 388 |
switch ((addr - s->base) >> s->it_shift) {
|
|
| 389 |
case 0: |
|
| 390 |
return kbd_read_data(s, 0) & 0xff; |
|
| 391 |
case 1: |
|
| 392 |
return kbd_read_status(s, 0) & 0xff; |
|
| 393 |
default: |
|
| 394 |
return 0xff; |
|
| 395 |
} |
|
| 391 | 396 |
} |
| 392 | 397 |
|
| 393 |
void kbd_mm_writeb (void *opaque, |
|
| 394 |
target_phys_addr_t addr, uint32_t value) |
|
| 398 |
void kbd_mm_writeb (void *opaque, target_phys_addr_t addr, uint32_t value) |
|
| 395 | 399 |
{
|
| 396 | 400 |
KBDState *s = opaque; |
| 397 | 401 |
|
| 398 |
if (addr == s->base) |
|
| 399 |
kbd_write_data(s, 0, value); |
|
| 400 |
else |
|
| 401 |
kbd_write_command(s, 0, value); |
|
| 402 |
switch ((addr - s->base) >> s->it_shift) {
|
|
| 403 |
case 0: |
|
| 404 |
kbd_write_data(s, 0, value & 0xff); |
|
| 405 |
break; |
|
| 406 |
case 1: |
|
| 407 |
kbd_write_command(s, 0, value & 0xff); |
|
| 408 |
break; |
|
| 409 |
} |
|
| 402 | 410 |
} |
| 403 | 411 |
|
| 404 | 412 |
static CPUReadMemoryFunc *kbd_mm_read[] = {
|
| ... | ... | |
| 413 | 421 |
&kbd_mm_writeb, |
| 414 | 422 |
}; |
| 415 | 423 |
|
| 416 |
void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, target_ulong base, int it_shift) |
|
| 424 |
void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, target_ulong base, |
|
| 425 |
int it_shift) |
|
| 417 | 426 |
{
|
| 418 | 427 |
KBDState *s = &kbd_state; |
| 419 | 428 |
int s_io_memory; |
| ... | ... | |
| 421 | 430 |
s->irq_kbd = kbd_irq; |
| 422 | 431 |
s->irq_mouse = mouse_irq; |
| 423 | 432 |
s->base = base; |
| 433 |
s->it_shift = it_shift; |
|
| 424 | 434 |
|
| 425 | 435 |
kbd_reset(s); |
| 426 | 436 |
register_savevm("pckbd", 0, 3, kbd_save, kbd_load, s);
|
| 427 | 437 |
s_io_memory = cpu_register_io_memory(0, kbd_mm_read, kbd_mm_write, s); |
| 428 |
cpu_register_physical_memory(base & ~(TARGET_PAGE_SIZE - 1), TARGET_PAGE_SIZE, s_io_memory);
|
|
| 438 |
cpu_register_physical_memory(base, 8 << it_shift, s_io_memory);
|
|
| 429 | 439 |
|
| 430 | 440 |
s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); |
| 431 | 441 |
s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); |
Also available in: Unified diff