diff options
| -rw-r--r-- | hw/syborg_rtc.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/hw/syborg_rtc.c b/hw/syborg_rtc.c index 69f6ccf..375664f 100644 --- a/hw/syborg_rtc.c +++ b/hw/syborg_rtc.c @@ -35,12 +35,14 @@ enum { typedef struct { SysBusDevice busdev; + MemoryRegion iomem; int64_t offset; int64_t data; qemu_irq irq; } SyborgRTCState; -static uint32_t syborg_rtc_read(void *opaque, target_phys_addr_t offset) +static uint64_t syborg_rtc_read(void *opaque, target_phys_addr_t offset, + unsigned size) { SyborgRTCState *s = (SyborgRTCState *)opaque; offset &= 0xfff; @@ -58,7 +60,8 @@ static uint32_t syborg_rtc_read(void *opaque, target_phys_addr_t offset) } } -static void syborg_rtc_write(void *opaque, target_phys_addr_t offset, uint32_t value) +static void syborg_rtc_write(void *opaque, target_phys_addr_t offset, + uint64_t value, unsigned size) { SyborgRTCState *s = (SyborgRTCState *)opaque; uint64_t now; @@ -90,16 +93,10 @@ static void syborg_rtc_write(void *opaque, target_phys_addr_t offset, uint32_t v } } -static CPUReadMemoryFunc * const syborg_rtc_readfn[] = { - syborg_rtc_read, - syborg_rtc_read, - syborg_rtc_read -}; - -static CPUWriteMemoryFunc * const syborg_rtc_writefn[] = { - syborg_rtc_write, - syborg_rtc_write, - syborg_rtc_write +static const MemoryRegionOps syborg_rtc_ops = { + .read = syborg_rtc_read, + .write = syborg_rtc_write, + .endianness = DEVICE_NATIVE_ENDIAN, }; static const VMStateDescription vmstate_syborg_rtc = { @@ -118,12 +115,9 @@ static int syborg_rtc_init(SysBusDevice *dev) { SyborgRTCState *s = FROM_SYSBUS(SyborgRTCState, dev); struct tm tm; - int iomemtype; - iomemtype = cpu_register_io_memory(syborg_rtc_readfn, - syborg_rtc_writefn, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, 0x1000, iomemtype); + memory_region_init_io(&s->iomem, &syborg_rtc_ops, s, "rtc", 0x1000); + sysbus_init_mmio_region(dev, &s->iomem); qemu_get_timedate(&tm, 0); s->offset = (uint64_t)mktime(&tm) * 1000000000; |