[RFC,02/15] applesmc: replace register_ioport*

diff --git a/hw/misc/applesmc.c b/hw/misc/applesmc.c
index 78904a8..af24be1 100644
--- a/hw/misc/applesmc.c
+++ b/hw/misc/applesmc.c
@@ -73,6 +73,8 @@  typedef struct AppleSMCState AppleSMCState;
 struct AppleSMCState {
     ISADevice parent_obj;
 
+    MemoryRegion io_data;
+    MemoryRegion io_cmd;
     uint32_t iobase;
     uint8_t cmd;
     uint8_t status;
@@ -86,7 +88,8 @@  struct AppleSMCState {
     QLIST_HEAD(, AppleSMCData) data_def;
 };
 
-static void applesmc_io_cmd_writeb(void *opaque, uint32_t addr, uint32_t val)
+static void applesmc_io_cmd_write(void *opaque, hwaddr addr, uint64_t val,
+                                  unsigned size)
 {
     AppleSMCState *s = opaque;
 
@@ -115,7 +118,8 @@  static void applesmc_fill_data(AppleSMCState *s)
     }
 }
 
-static void applesmc_io_data_writeb(void *opaque, uint32_t addr, uint32_t val)
+static void applesmc_io_data_write(void *opaque, hwaddr addr, uint64_t val,
+                                   unsigned size)
 {
     AppleSMCState *s = opaque;
 
@@ -138,7 +142,8 @@  static void applesmc_io_data_writeb(void *opaque, uint32_t addr, uint32_t val)
     }
 }
 
-static uint32_t applesmc_io_data_readb(void *opaque, uint32_t addr1)
+static uint64_t applesmc_io_data_read(void *opaque, hwaddr addr1,
+                                      unsigned size)
 {
     AppleSMCState *s = opaque;
     uint8_t retval = 0;
@@ -162,7 +167,7 @@  static uint32_t applesmc_io_data_readb(void *opaque, uint32_t addr1)
     return retval;
 }
 
-static uint32_t applesmc_io_cmd_readb(void *opaque, uint32_t addr1)
+static uint64_t applesmc_io_cmd_read(void *opaque, hwaddr addr1, unsigned size)
 {
     AppleSMCState *s = opaque;
 
@@ -201,18 +206,37 @@  static void qdev_applesmc_isa_reset(DeviceState *dev)
     applesmc_add_key(s, "MSSD", 1, "\0x3");
 }
 
+static const MemoryRegionOps applesmc_data_io_ops = {
+    .write = applesmc_io_data_write,
+    .read = applesmc_io_data_read,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+    .impl = {
+        .min_access_size = 1,
+        .max_access_size = 1,
+    },
+};
+
+static const MemoryRegionOps applesmc_cmd_io_ops = {
+    .write = applesmc_io_cmd_write,
+    .read = applesmc_io_cmd_read,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+    .impl = {
+        .min_access_size = 1,
+        .max_access_size = 1,
+    },
+};
+
 static int applesmc_isa_init(ISADevice *dev)
 {
     AppleSMCState *s = APPLE_SMC(dev);
 
-    register_ioport_read(s->iobase + APPLESMC_DATA_PORT, 4, 1,
-                         applesmc_io_data_readb, s);
-    register_ioport_read(s->iobase + APPLESMC_CMD_PORT, 4, 1,
-                         applesmc_io_cmd_readb, s);
-    register_ioport_write(s->iobase + APPLESMC_DATA_PORT, 4, 1,
-                          applesmc_io_data_writeb, s);
-    register_ioport_write(s->iobase + APPLESMC_CMD_PORT, 4, 1,
-                          applesmc_io_cmd_writeb, s);
+    memory_region_init_io(&s->io_data, &applesmc_data_io_ops, s,
+                          "applesmc-data", 4);
+    isa_register_ioport(dev, &s->io_data, s->iobase + APPLESMC_DATA_PORT);
+
+    memory_region_init_io(&s->io_cmd, &applesmc_cmd_io_ops, s,
+                          "applesmc-cmd", 4);
+    isa_register_ioport(dev, &s->io_cmd, s->iobase + APPLESMC_CMD_PORT);
 
     if (!s->osk || (strlen(s->osk) != 64)) {
         fprintf(stderr, "WARNING: Using AppleSMC with invalid key\n");