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mpc8544_guts: convert to memory API 

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-11-13 15:05:28 +02:00
parent 561e182755
commit 1c7af35f96
1 changed files with 17 additions and 18 deletions
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35
hw/mpc8544_guts.c
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@ -53,11 +53,13 @@
struct GutsState {
SysBusDevice busdev;
MemoryRegion iomem;
};
typedef struct GutsState GutsState;
static uint32_t mpc8544_guts_read32(void *opaque, target_phys_addr_t addr)
static uint64_t mpc8544_guts_read(void *opaque, target_phys_addr_t addr,
unsigned size)
{
uint32_t value = 0;
CPUState *env = cpu_single_env;
@ -78,14 +80,8 @@ static uint32_t mpc8544_guts_read32(void *opaque, target_phys_addr_t addr)
return value;
}
static CPUReadMemoryFunc * const mpc8544_guts_read[] = {
NULL,
NULL,
&mpc8544_guts_read32,
};
static void mpc8544_guts_write32(void *opaque, target_phys_addr_t addr,
uint32_t value)
static void mpc8544_guts_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
addr &= MPC8544_GUTS_MMIO_SIZE - 1;
@ -97,27 +93,30 @@ static void mpc8544_guts_write32(void *opaque, target_phys_addr_t addr,
break;
default:
fprintf(stderr, "guts: Unknown register write: %x = %x\n",
(int)addr, value);
(int)addr, (unsigned)value);
break;
}
}
static CPUWriteMemoryFunc * const mpc8544_guts_write[] = {
NULL,
NULL,
&mpc8544_guts_write32,
static const MemoryRegionOps mpc8544_guts_ops = {
.read = mpc8544_guts_read,
.write = mpc8544_guts_write,
.endianness = DEVICE_BIG_ENDIAN,
.valid = {
.min_access_size = 4,
.max_access_size = 4,
},
};
static int mpc8544_guts_initfn(SysBusDevice *dev)
{
GutsState *s;
int iomem;
s = FROM_SYSBUS(GutsState, sysbus_from_qdev(dev));
iomem = cpu_register_io_memory(mpc8544_guts_read, mpc8544_guts_write, s,
DEVICE_BIG_ENDIAN);
sysbus_init_mmio(dev, MPC8544_GUTS_MMIO_SIZE, iomem);
memory_region_init_io(&s->iomem, &mpc8544_guts_ops, s,
"mpc6544.guts", MPC8544_GUTS_MMIO_SIZE);
sysbus_init_mmio_region(dev, &s->iomem);
return 0;
}