struct MilkymistHpdmcState {
SysBusDevice busdev;
+ MemoryRegion regs_region;
uint32_t regs[R_MAX];
};
typedef struct MilkymistHpdmcState MilkymistHpdmcState;
-static uint32_t hpdmc_read(void *opaque, target_phys_addr_t addr)
+static uint64_t hpdmc_read(void *opaque, hwaddr addr,
+ unsigned size)
{
MilkymistHpdmcState *s = opaque;
uint32_t r = 0;
return r;
}
-static void hpdmc_write(void *opaque, target_phys_addr_t addr, uint32_t value)
+static void hpdmc_write(void *opaque, hwaddr addr, uint64_t value,
+ unsigned size)
{
MilkymistHpdmcState *s = opaque;
}
}
-static CPUReadMemoryFunc * const hpdmc_read_fn[] = {
- NULL,
- NULL,
- &hpdmc_read,
-};
-
-static CPUWriteMemoryFunc * const hpdmc_write_fn[] = {
- NULL,
- NULL,
- &hpdmc_write,
+static const MemoryRegionOps hpdmc_mmio_ops = {
+ .read = hpdmc_read,
+ .write = hpdmc_write,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
static void milkymist_hpdmc_reset(DeviceState *d)
static int milkymist_hpdmc_init(SysBusDevice *dev)
{
MilkymistHpdmcState *s = FROM_SYSBUS(typeof(*s), dev);
- int hpdmc_regs;
- hpdmc_regs = cpu_register_io_memory(hpdmc_read_fn, hpdmc_write_fn, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, R_MAX * 4, hpdmc_regs);
+ memory_region_init_io(&s->regs_region, &hpdmc_mmio_ops, s,
+ "milkymist-hpdmc", R_MAX * 4);
+ sysbus_init_mmio(dev, &s->regs_region);
return 0;
}
}
};
-static SysBusDeviceInfo milkymist_hpdmc_info = {
- .init = milkymist_hpdmc_init,
- .qdev.name = "milkymist-hpdmc",
- .qdev.size = sizeof(MilkymistHpdmcState),
- .qdev.vmsd = &vmstate_milkymist_hpdmc,
- .qdev.reset = milkymist_hpdmc_reset,
+static void milkymist_hpdmc_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = milkymist_hpdmc_init;
+ dc->reset = milkymist_hpdmc_reset;
+ dc->vmsd = &vmstate_milkymist_hpdmc;
+}
+
+static TypeInfo milkymist_hpdmc_info = {
+ .name = "milkymist-hpdmc",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(MilkymistHpdmcState),
+ .class_init = milkymist_hpdmc_class_init,
};
-static void milkymist_hpdmc_register(void)
+static void milkymist_hpdmc_register_types(void)
{
- sysbus_register_withprop(&milkymist_hpdmc_info);
+ type_register_static(&milkymist_hpdmc_info);
}
-device_init(milkymist_hpdmc_register)
+type_init(milkymist_hpdmc_register_types)