Revision 822557eb hw/hpet.c
| b/hw/hpet.c | ||
|---|---|---|
| 29 | 29 |
#include "console.h" |
| 30 | 30 |
#include "qemu-timer.h" |
| 31 | 31 |
#include "hpet_emul.h" |
| 32 |
#include "sysbus.h" |
|
| 32 | 33 |
|
| 33 | 34 |
//#define HPET_DEBUG |
| 34 | 35 |
#ifdef HPET_DEBUG |
| ... | ... | |
| 54 | 55 |
} HPETTimer; |
| 55 | 56 |
|
| 56 | 57 |
typedef struct HPETState {
|
| 58 |
SysBusDevice busdev; |
|
| 57 | 59 |
uint64_t hpet_offset; |
| 58 |
qemu_irq *irqs;
|
|
| 60 |
qemu_irq irqs[HPET_NUM_IRQ_ROUTES];
|
|
| 59 | 61 |
HPETTimer timer[HPET_NUM_TIMERS]; |
| 60 | 62 |
|
| 61 | 63 |
/* Memory-mapped, software visible registers */ |
| ... | ... | |
| 565 | 567 |
hpet_ram_writel, |
| 566 | 568 |
}; |
| 567 | 569 |
|
| 568 |
static void hpet_reset(void *opaque)
|
|
| 570 |
static void hpet_reset(DeviceState *d)
|
|
| 569 | 571 |
{
|
| 570 |
HPETState *s = opaque;
|
|
| 572 |
HPETState *s = FROM_SYSBUS(HPETState, sysbus_from_qdev(d));
|
|
| 571 | 573 |
int i; |
| 572 | 574 |
static int count = 0; |
| 573 | 575 |
|
| ... | ... | |
| 600 | 602 |
count = 1; |
| 601 | 603 |
} |
| 602 | 604 |
|
| 603 |
|
|
| 604 |
void hpet_init(qemu_irq *irq) |
|
| 605 |
static int hpet_init(SysBusDevice *dev) |
|
| 605 | 606 |
{
|
| 607 |
HPETState *s = FROM_SYSBUS(HPETState, dev); |
|
| 606 | 608 |
int i, iomemtype; |
| 607 | 609 |
HPETTimer *timer; |
| 608 |
HPETState *s; |
|
| 609 |
|
|
| 610 |
DPRINTF ("hpet_init\n");
|
|
| 611 | 610 |
|
| 612 |
s = qemu_mallocz(sizeof(HPETState));
|
|
| 611 |
assert(!hpet_statep);
|
|
| 613 | 612 |
hpet_statep = s; |
| 614 |
s->irqs = irq; |
|
| 613 |
for (i = 0; i < HPET_NUM_IRQ_ROUTES; i++) {
|
|
| 614 |
sysbus_init_irq(dev, &s->irqs[i]); |
|
| 615 |
} |
|
| 615 | 616 |
for (i = 0; i < HPET_NUM_TIMERS; i++) {
|
| 616 | 617 |
timer = &s->timer[i]; |
| 617 | 618 |
timer->qemu_timer = qemu_new_timer(vm_clock, hpet_timer, timer); |
| 618 | 619 |
timer->tn = i; |
| 619 | 620 |
timer->state = s; |
| 620 | 621 |
} |
| 621 |
vmstate_register(-1, &vmstate_hpet, s); |
|
| 622 |
qemu_register_reset(hpet_reset, s); |
|
| 622 |
|
|
| 623 | 623 |
/* HPET Area */ |
| 624 | 624 |
iomemtype = cpu_register_io_memory(hpet_ram_read, |
| 625 | 625 |
hpet_ram_write, s); |
| 626 |
cpu_register_physical_memory(HPET_BASE, 0x400, iomemtype); |
|
| 626 |
sysbus_init_mmio(dev, 0x400, iomemtype); |
|
| 627 |
return 0; |
|
| 627 | 628 |
} |
| 629 |
|
|
| 630 |
static SysBusDeviceInfo hpet_device_info = {
|
|
| 631 |
.qdev.name = "hpet", |
|
| 632 |
.qdev.size = sizeof(HPETState), |
|
| 633 |
.qdev.no_user = 1, |
|
| 634 |
.qdev.vmsd = &vmstate_hpet, |
|
| 635 |
.qdev.reset = hpet_reset, |
|
| 636 |
.init = hpet_init, |
|
| 637 |
}; |
|
| 638 |
|
|
| 639 |
static void hpet_register_device(void) |
|
| 640 |
{
|
|
| 641 |
sysbus_register_withprop(&hpet_device_info); |
|
| 642 |
} |
|
| 643 |
|
|
| 644 |
device_init(hpet_register_device) |
|
Also available in: Unified diff