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m48t59: convert to memory API

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Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-11-13 12:16:07 +02:00
parent 871321acb3
commit 5a31cd68ba
1 changed files with 9 additions and 14 deletions
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23
hw/m48t59.c
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@ -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;