diff options
| -rw-r--r-- | hw/m48t59.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/hw/m48t59.c b/hw/m48t59.c index a77937ef68..06a3974e74 100644 --- a/hw/m48t59.c +++ b/hw/m48t59.c @@ -52,6 +52,7 @@ struct M48t59State { /* Hardware parameters */ qemu_irq IRQ; + MemoryRegion iomem; uint32_t io_base; uint32_t size; /* RTC management */ @@ -573,16 +574,12 @@ static uint32_t nvram_readl (void *opaque, target_phys_addr_t addr) return retval; } -static CPUWriteMemoryFunc * const nvram_write[] = { - &nvram_writeb, - &nvram_writew, - &nvram_writel, -}; - -static CPUReadMemoryFunc * const nvram_read[] = { - &nvram_readb, - &nvram_readw, - &nvram_readl, +static const MemoryRegionOps nvram_ops = { + .old_mmio = { + .read = { nvram_readb, nvram_readw, nvram_readl, }, + .write = { nvram_writeb, nvram_writew, nvram_writel, }, + }, + .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_m48t59 = { @@ -712,13 +709,11 @@ static int m48t59_init1(SysBusDevice *dev) { M48t59SysBusState *d = FROM_SYSBUS(M48t59SysBusState, dev); M48t59State *s = &d->state; - int mem_index; sysbus_init_irq(dev, &s->IRQ); - mem_index = cpu_register_io_memory(nvram_read, nvram_write, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, s->size, mem_index); + memory_region_init_io(&s->iomem, &nvram_ops, s, "m48t59.nvram", s->size); + sysbus_init_mmio_region(dev, &s->iomem); m48t59_init_common(s); return 0; |