mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-23 19:49:43 +00:00
8063396bf3
This converts existing DECLARE_INSTANCE_CHECKER usage to OBJECT_DECLARE_SIMPLE_TYPE when possible. $ ./scripts/codeconverter/converter.py -i \ --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]') Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Paul Durrant <paul@xen.org> Message-Id: <20200916182519.415636-6-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/*
|
|
* QEMU sun4v Real Time Clock device
|
|
*
|
|
* The sun4v_rtc device (sun4v tod clock)
|
|
*
|
|
* Copyright (c) 2016 Artyom Tarasenko
|
|
*
|
|
* This code is licensed under the GNU GPL v3 or (at your option) any later
|
|
* version.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "hw/sysbus.h"
|
|
#include "qapi/error.h"
|
|
#include "qemu/module.h"
|
|
#include "qemu/timer.h"
|
|
#include "hw/rtc/sun4v-rtc.h"
|
|
#include "trace.h"
|
|
#include "qom/object.h"
|
|
|
|
|
|
#define TYPE_SUN4V_RTC "sun4v_rtc"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(Sun4vRtc, SUN4V_RTC)
|
|
|
|
struct Sun4vRtc {
|
|
SysBusDevice parent_obj;
|
|
|
|
MemoryRegion iomem;
|
|
};
|
|
|
|
static uint64_t sun4v_rtc_read(void *opaque, hwaddr addr,
|
|
unsigned size)
|
|
{
|
|
uint64_t val = get_clock_realtime() / NANOSECONDS_PER_SECOND;
|
|
if (!(addr & 4ULL)) {
|
|
/* accessing the high 32 bits */
|
|
val >>= 32;
|
|
}
|
|
trace_sun4v_rtc_read(addr, val);
|
|
return val;
|
|
}
|
|
|
|
static void sun4v_rtc_write(void *opaque, hwaddr addr,
|
|
uint64_t val, unsigned size)
|
|
{
|
|
trace_sun4v_rtc_write(addr, val);
|
|
}
|
|
|
|
static const MemoryRegionOps sun4v_rtc_ops = {
|
|
.read = sun4v_rtc_read,
|
|
.write = sun4v_rtc_write,
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
};
|
|
|
|
void sun4v_rtc_init(hwaddr addr)
|
|
{
|
|
DeviceState *dev;
|
|
SysBusDevice *s;
|
|
|
|
dev = qdev_new(TYPE_SUN4V_RTC);
|
|
s = SYS_BUS_DEVICE(dev);
|
|
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
|
|
sysbus_mmio_map(s, 0, addr);
|
|
}
|
|
|
|
static void sun4v_rtc_realize(DeviceState *dev, Error **errp)
|
|
{
|
|
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
|
|
Sun4vRtc *s = SUN4V_RTC(dev);
|
|
|
|
memory_region_init_io(&s->iomem, OBJECT(s), &sun4v_rtc_ops, s,
|
|
"sun4v-rtc", 0x08ULL);
|
|
sysbus_init_mmio(sbd, &s->iomem);
|
|
}
|
|
|
|
static void sun4v_rtc_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
|
|
dc->realize = sun4v_rtc_realize;
|
|
}
|
|
|
|
static const TypeInfo sun4v_rtc_info = {
|
|
.name = TYPE_SUN4V_RTC,
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
.instance_size = sizeof(Sun4vRtc),
|
|
.class_init = sun4v_rtc_class_init,
|
|
};
|
|
|
|
static void sun4v_rtc_register_types(void)
|
|
{
|
|
type_register_static(&sun4v_rtc_info);
|
|
}
|
|
|
|
type_init(sun4v_rtc_register_types)
|