diff options
Diffstat (limited to 'hw/hpet.c')
| -rw-r--r-- | hw/hpet.c | 38 |
1 files changed, 17 insertions, 21 deletions
@@ -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]); } |