static int arm_mptimer_init(SysBusDevice *dev)
{
ARMMPTimerState *s = ARM_MPTIMER(dev);
int i;
if (s->num_cpu < 1 || s->num_cpu > MAX_CPUS) {
hw_error("%s: num-cpu must be between 1 and %d\n", __func__, MAX_CPUS);
}
/* We implement one timer block per CPU, and expose multiple MMIO regions:
* * region 0 is "timer for this core"
* * region 1 is "timer for core 0"
* * region 2 is "timer for core 1"
* and so on.
* The outgoing interrupt lines are
* * timer for core 0
* * timer for core 1
* and so on.
*/
memory_region_init_io(&s->iomem, OBJECT(s), &arm_thistimer_ops, s,
"arm_mptimer_timer", 0x20);
sysbus_init_mmio(dev, &s->iomem);
for (i = 0; i < s->num_cpu; i++) {
TimerBlock *tb = &s->timerblock[i];
tb->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, timerblock_tick, tb);
sysbus_init_irq(dev, &tb->irq);
memory_region_init_io(&tb->iomem, OBJECT(s), &timerblock_ops, tb,
"arm_mptimer_timerblock", 0x20);
sysbus_init_mmio(dev, &tb->iomem);
}
return 0;
}
static void arm_mptimer_realize(DeviceState *dev, Error **errp)
{
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
ARMMPTimerState *s = ARM_MPTIMER(dev);
int i;
if (s->num_cpu < 1 || s->num_cpu > ARM_MPTIMER_MAX_CPUS) {
hw_error("%s: num-cpu must be between 1 and %d\n",
__func__, ARM_MPTIMER_MAX_CPUS);
}
/* We implement one timer block per CPU, and expose multiple MMIO regions:
* * region 0 is "timer for this core"
* * region 1 is "timer for core 0"
* * region 2 is "timer for core 1"
* and so on.
* The outgoing interrupt lines are
* * timer for core 0
* * timer for core 1
* and so on.
*/
for (i = 0; i < s->num_cpu; i++) {
TimerBlock *tb = &s->timerblock[i];
tb->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, timerblock_tick, tb);
sysbus_init_irq(sbd, &tb->irq);
memory_region_init_io(&tb->iomem, OBJECT(s), &timerblock_ops, tb,
"arm_mptimer_timerblock", 0x20);
sysbus_init_mmio(sbd, &tb->iomem);
}
}
static void arm_mptimer_init(Object *obj)
{
ARMMPTimerState *s = ARM_MPTIMER(obj);
memory_region_init_io(&s->iomem, obj, &arm_thistimer_ops, s,
"arm_mptimer_timer", 0x20);
sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->iomem);
}
static void arm_mptimer_reset(DeviceState *dev)
{
ARMMPTimerState *s = ARM_MPTIMER(dev);
int i;
for (i = 0; i < ARRAY_SIZE(s->timerblock); i++) {
timerblock_reset(&s->timerblock[i]);
}
}
