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-rw-r--r--hw/hpet.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/hw/hpet.c b/hw/hpet.c
index edfe02eabf..59a06f633e 100644
--- a/hw/hpet.c
+++ b/hw/hpet.c
@@ -69,8 +69,6 @@ typedef struct HPETState {
uint64_t hpet_counter; /* main counter */
} HPETState;
-static HPETState *hpet_statep;
-
static uint32_t hpet_in_legacy_mode(HPETState *s)
{
return s->config & HPET_CFG_LEGACY;
@@ -81,9 +79,9 @@ static uint32_t timer_int_route(struct HPETTimer *timer)
return (timer->config & HPET_TN_INT_ROUTE_MASK) >> HPET_TN_INT_ROUTE_SHIFT;
}
-static uint32_t hpet_enabled(void)
+static uint32_t hpet_enabled(HPETState *s)
{
- return hpet_statep->config & HPET_CFG_ENABLE;
+ return s->config & HPET_CFG_ENABLE;
}
static uint32_t timer_is_periodic(HPETTimer *t)
@@ -133,9 +131,9 @@ static int deactivating_bit(uint64_t old, uint64_t new, uint64_t mask)
return ((old & mask) && !(new & mask));
}
-static uint64_t hpet_get_ticks(void)
+static uint64_t hpet_get_ticks(HPETState *s)
{
- return ns_to_ticks(qemu_get_clock(vm_clock) + hpet_statep->hpet_offset);
+ return ns_to_ticks(qemu_get_clock(vm_clock) + s->hpet_offset);
}
/*
@@ -174,7 +172,7 @@ static void update_irq(struct HPETTimer *timer)
} else {
route = timer_int_route(timer);
}
- if (!timer_enabled(timer) || !hpet_enabled()) {
+ if (!timer_enabled(timer) || !hpet_enabled(timer->state)) {
return;
}
qemu_irq_pulse(timer->state->irqs[route]);
@@ -185,7 +183,7 @@ static void hpet_pre_save(void *opaque)
HPETState *s = opaque;
/* save current counter value */
- s->hpet_counter = hpet_get_ticks();
+ s->hpet_counter = hpet_get_ticks(s);
}
static int hpet_post_load(void *opaque, int version_id)
@@ -240,7 +238,7 @@ static void hpet_timer(void *opaque)
uint64_t diff;
uint64_t period = t->period;
- uint64_t cur_tick = hpet_get_ticks();
+ uint64_t cur_tick = hpet_get_ticks(t->state);
if (timer_is_periodic(t) && period != 0) {
if (t->config & HPET_TN_32BIT) {
@@ -270,7 +268,7 @@ static void hpet_set_timer(HPETTimer *t)
{
uint64_t diff;
uint32_t wrap_diff; /* how many ticks until we wrap? */
- uint64_t cur_tick = hpet_get_ticks();
+ uint64_t cur_tick = hpet_get_ticks(t->state);
/* whenever new timer is being set up, make sure wrap_flag is 0 */
t->wrap_flag = 0;
@@ -353,16 +351,16 @@ static uint32_t hpet_ram_readl(void *opaque, target_phys_addr_t addr)
DPRINTF("qemu: invalid HPET_CFG + 4 hpet_ram_readl \n");
return 0;
case HPET_COUNTER:
- if (hpet_enabled()) {
- cur_tick = hpet_get_ticks();
+ if (hpet_enabled(s)) {
+ cur_tick = hpet_get_ticks(s);
} else {
cur_tick = s->hpet_counter;
}
DPRINTF("qemu: reading counter = %" PRIx64 "\n", cur_tick);
return cur_tick;
case HPET_COUNTER + 4:
- if (hpet_enabled()) {
- cur_tick = hpet_get_ticks();
+ if (hpet_enabled(s)) {
+ cur_tick = hpet_get_ticks(s);
} else {
cur_tick = s->hpet_counter;
}
@@ -457,7 +455,7 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
(timer->period & 0xffffffff00000000ULL) | new_val;
}
timer->config &= ~HPET_TN_SETVAL;
- if (hpet_enabled()) {
+ if (hpet_enabled(s)) {
hpet_set_timer(timer);
}
break;
@@ -476,7 +474,7 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
(timer->period & 0xffffffffULL) | new_val << 32;
}
timer->config &= ~HPET_TN_SETVAL;
- if (hpet_enabled()) {
+ if (hpet_enabled(s)) {
hpet_set_timer(timer);
}
break;
@@ -506,7 +504,7 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
}
} else if (deactivating_bit(old_val, new_val, HPET_CFG_ENABLE)) {
/* Halt main counter and disable interrupt generation. */
- s->hpet_counter = hpet_get_ticks();
+ s->hpet_counter = hpet_get_ticks(s);
for (i = 0; i < HPET_NUM_TIMERS; i++) {
hpet_del_timer(&s->timer[i]);
}
@@ -527,7 +525,7 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
/* FIXME: need to handle level-triggered interrupts */
break;
case HPET_COUNTER:
- if (hpet_enabled()) {
+ if (hpet_enabled(s)) {
DPRINTF("qemu: Writing counter while HPET enabled!\n");
}
s->hpet_counter =
@@ -536,7 +534,7 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
value, s->hpet_counter);
break;
case HPET_COUNTER + 4:
- if (hpet_enabled()) {
+ if (hpet_enabled(s)) {
DPRINTF("qemu: Writing counter while HPET enabled!\n");
}
s->hpet_counter =
@@ -624,8 +622,6 @@ static int hpet_init(SysBusDevice *dev)
int i, iomemtype;
HPETTimer *timer;
- assert(!hpet_statep);
- hpet_statep = s;
for (i = 0; i < HPET_NUM_IRQ_ROUTES; i++) {
sysbus_init_irq(dev, &s->irqs[i]);
}