diff options
| -rw-r--r-- | hw/timer/mc146818rtc.c | 36 | ||||
| -rw-r--r-- | include/hw/timer/mc146818rtc.h | 2 |
2 files changed, 22 insertions, 16 deletions
diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index 69e6844..afbd0db 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -57,8 +57,11 @@ #define RTC_CLOCK_RATE 32768 #define UIP_HOLD_LENGTH (8 * NSEC_PER_SEC / 32768) +#define MC146818_RTC(obj) OBJECT_CHECK(RTCState, (obj), TYPE_MC146818_RTC) + typedef struct RTCState { - ISADevice dev; + ISADevice parent_obj; + MemoryRegion io; uint8_t cmos_data[128]; uint8_t cmos_index; @@ -672,14 +675,14 @@ static uint64_t cmos_ioport_read(void *opaque, hwaddr addr, void rtc_set_memory(ISADevice *dev, int addr, int val) { - RTCState *s = DO_UPCAST(RTCState, dev, dev); + RTCState *s = MC146818_RTC(dev); if (addr >= 0 && addr <= 127) s->cmos_data[addr] = val; } static void rtc_set_date_from_host(ISADevice *dev) { - RTCState *s = DO_UPCAST(RTCState, dev, dev); + RTCState *s = MC146818_RTC(dev); struct tm tm; qemu_get_timedate(&tm, 0); @@ -741,7 +744,7 @@ static void rtc_notify_clock_reset(Notifier *notifier, void *data) RTCState *s = container_of(notifier, RTCState, clock_reset_notifier); int64_t now = *(int64_t *)data; - rtc_set_date_from_host(&s->dev); + rtc_set_date_from_host(ISA_DEVICE(s)); periodic_timer_update(s, now); check_update_timer(s); #ifdef TARGET_I386 @@ -756,7 +759,7 @@ static void rtc_notify_clock_reset(Notifier *notifier, void *data) static void rtc_notify_suspend(Notifier *notifier, void *data) { RTCState *s = container_of(notifier, RTCState, suspend_notifier); - rtc_set_memory(&s->dev, 0xF, 0xFE); + rtc_set_memory(ISA_DEVICE(s), 0xF, 0xFE); } static void rtc_reset(void *opaque) @@ -789,8 +792,7 @@ static const MemoryRegionOps cmos_ops = { static void rtc_get_date(Object *obj, Visitor *v, void *opaque, const char *name, Error **errp) { - ISADevice *isa = ISA_DEVICE(obj); - RTCState *s = DO_UPCAST(RTCState, dev, isa); + RTCState *s = MC146818_RTC(obj); struct tm current_tm; rtc_update_time(s); @@ -807,7 +809,7 @@ static void rtc_get_date(Object *obj, Visitor *v, void *opaque, static int rtc_initfn(ISADevice *dev) { - RTCState *s = DO_UPCAST(RTCState, dev, dev); + RTCState *s = MC146818_RTC(dev); int base = 0x70; s->cmos_data[RTC_REG_A] = 0x26; @@ -866,19 +868,21 @@ static int rtc_initfn(ISADevice *dev) ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq) { - ISADevice *dev; + DeviceState *dev; + ISADevice *isadev; RTCState *s; - dev = isa_create(bus, "mc146818rtc"); - s = DO_UPCAST(RTCState, dev, dev); - qdev_prop_set_int32(&dev->qdev, "base_year", base_year); - qdev_init_nofail(&dev->qdev); + isadev = isa_create(bus, TYPE_MC146818_RTC); + dev = DEVICE(isadev); + s = MC146818_RTC(isadev); + qdev_prop_set_int32(dev, "base_year", base_year); + qdev_init_nofail(dev); if (intercept_irq) { s->irq = intercept_irq; } else { - isa_init_irq(dev, &s->irq, RTC_ISA_IRQ); + isa_init_irq(isadev, &s->irq, RTC_ISA_IRQ); } - return dev; + return isadev; } static Property mc146818rtc_properties[] = { @@ -899,7 +903,7 @@ static void rtc_class_initfn(ObjectClass *klass, void *data) } static const TypeInfo mc146818rtc_info = { - .name = "mc146818rtc", + .name = TYPE_MC146818_RTC, .parent = TYPE_ISA_DEVICE, .instance_size = sizeof(RTCState), .class_init = rtc_class_initfn, diff --git a/include/hw/timer/mc146818rtc.h b/include/hw/timer/mc146818rtc.h index 854ea3f..425bd17 100644 --- a/include/hw/timer/mc146818rtc.h +++ b/include/hw/timer/mc146818rtc.h @@ -4,6 +4,8 @@ #include "hw/isa/isa.h" #include "hw/timer/mc146818rtc_regs.h" +#define TYPE_MC146818_RTC "mc146818rtc" + ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq); void rtc_set_memory(ISADevice *dev, int addr, int val); void rtc_set_date(ISADevice *dev, const struct tm *tm); |