diff options
Diffstat (limited to 'hw/pxa2xx_timer.c')
| -rw-r--r-- | hw/pxa2xx_timer.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/hw/pxa2xx_timer.c b/hw/pxa2xx_timer.c index effe653964..1242f82d3e 100644 --- a/hw/pxa2xx_timer.c +++ b/hw/pxa2xx_timer.c @@ -64,7 +64,6 @@ typedef struct PXA2xxTimerInfo PXA2xxTimerInfo; typedef struct { uint32_t value; - int level; qemu_irq irq; QEMUTimer *qtimer; int num; @@ -278,20 +277,13 @@ static void pxa2xx_timer_write(void *opaque, target_phys_addr_t offset, s->irq_enabled = value & 0xfff; break; case OSSR: /* Status register */ + value &= s->events; s->events &= ~value; - for (i = 0; i < 4; i ++, value >>= 1) { - if (s->timer[i].level && (value & 1)) { - s->timer[i].level = 0; + for (i = 0; i < 4; i ++, value >>= 1) + if (value & 1) qemu_irq_lower(s->timer[i].irq); - } - } - if (pxa2xx_timer_has_tm4(s)) { - for (i = 0; i < 8; i ++, value >>= 1) - if (s->tm4[i].tm.level && (value & 1)) - s->tm4[i].tm.level = 0; - if (!(s->events & 0xff0)) - qemu_irq_lower(s->irq4); - } + if (pxa2xx_timer_has_tm4(s) && !(s->events & 0xff0) && value) + qemu_irq_lower(s->irq4); break; case OWER: /* XXX: Reset on OSMR3 match? */ s->reset3 = value; @@ -351,7 +343,6 @@ static void pxa2xx_timer_tick(void *opaque) PXA2xxTimerInfo *i = t->info; if (i->irq_enabled & (1 << t->num)) { - t->level = 1; i->events |= 1 << t->num; qemu_irq_raise(t->irq); } @@ -411,7 +402,6 @@ static int pxa2xx_timer_init(SysBusDevice *dev) sysbus_init_irq(dev, &s->timer[i].irq); s->timer[i].info = s; s->timer[i].num = i; - s->timer[i].level = 0; s->timer[i].qtimer = qemu_new_timer(vm_clock, pxa2xx_timer_tick, &s->timer[i]); } @@ -422,7 +412,6 @@ static int pxa2xx_timer_init(SysBusDevice *dev) s->tm4[i].tm.value = 0; s->tm4[i].tm.info = s; s->tm4[i].tm.num = i + 4; - s->tm4[i].tm.level = 0; s->tm4[i].freq = 0; s->tm4[i].control = 0x0; s->tm4[i].tm.qtimer = qemu_new_timer(vm_clock, @@ -439,12 +428,11 @@ static int pxa2xx_timer_init(SysBusDevice *dev) static const VMStateDescription vmstate_pxa2xx_timer0_regs = { .name = "pxa2xx_timer0", - .version_id = 1, - .minimum_version_id = 1, - .minimum_version_id_old = 1, + .version_id = 2, + .minimum_version_id = 2, + .minimum_version_id_old = 2, .fields = (VMStateField[]) { VMSTATE_UINT32(value, PXA2xxTimer0), - VMSTATE_INT32(level, PXA2xxTimer0), VMSTATE_END_OF_LIST(), }, }; |