ppc: convert to memory API

Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/cuda.c b/hw/cuda.c
index 065c362..5c92d81 100644
--- a/hw/cuda.c
+++ b/hw/cuda.c
@@ -117,6 +117,7 @@
 } CUDATimer;
 
 typedef struct CUDAState {
+    MemoryRegion mem;
     /* cuda registers */
     uint8_t b;      /* B-side data */
     uint8_t a;      /* A-side data */
@@ -722,7 +723,7 @@
     set_counter(s, &s->timers[1], 0xffff);
 }
 
-void cuda_init (int *cuda_mem_index, qemu_irq irq)
+void cuda_init (MemoryRegion **cuda_mem, qemu_irq irq)
 {
     struct tm tm;
     CUDAState *s = &cuda_state;
@@ -738,8 +739,9 @@
     s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
 
     s->adb_poll_timer = qemu_new_timer_ns(vm_clock, cuda_adb_poll, s);
-    *cuda_mem_index = cpu_register_io_memory(cuda_read, cuda_write, s,
+    cpu_register_io_memory(cuda_read, cuda_write, s,
                                              DEVICE_NATIVE_ENDIAN);
+    *cuda_mem = &s->mem;
     vmstate_register(NULL, -1, &vmstate_cuda, s);
     qemu_register_reset(cuda_reset, s);
 }