struct LM32SysState {
SysBusDevice busdev;
+ MemoryRegion iomem;
uint32_t base;
uint32_t regs[R_MAX];
uint8_t testname[MAX_TESTNAME_LEN];
s->testname[MAX_TESTNAME_LEN - 1] = '\0';
}
-static void sys_write(void *opaque, target_phys_addr_t addr, uint32_t value)
+static void sys_write(void *opaque, target_phys_addr_t addr,
+ uint64_t value, unsigned size)
{
LM32SysState *s = opaque;
char *testname;
}
}
-static CPUReadMemoryFunc * const sys_read_fn[] = {
- NULL,
- NULL,
- NULL,
-};
+static bool sys_ops_accepts(void *opaque, target_phys_addr_t addr,
+ unsigned size, bool is_write)
+{
+ return is_write && size == 4;
+}
-static CPUWriteMemoryFunc * const sys_write_fn[] = {
- NULL,
- NULL,
- &sys_write,
+static const MemoryRegionOps sys_ops = {
+ .write = sys_write,
+ .valid.accepts = sys_ops_accepts,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
static void sys_reset(DeviceState *d)
static int lm32_sys_init(SysBusDevice *dev)
{
LM32SysState *s = FROM_SYSBUS(typeof(*s), dev);
- int sys_regs;
- sys_regs = cpu_register_io_memory(sys_read_fn, sys_write_fn, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, R_MAX * 4, sys_regs);
+ memory_region_init_io(&s->iomem, &sys_ops , s, "sys", R_MAX * 4);
+ sysbus_init_mmio_region(dev, &s->iomem);
/* Note: This device is not created in the board initialization,
* instead it has to be added with the -device parameter. Therefore,