lm32_sys: convert to memory API

Signed-off-by: Benoît Canet <benoit.canet@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/hw/lm32_sys.c b/hw/lm32_sys.c
index e5ff962f4362a223522ce74e73578a872e3321ff..0c8e9718bbc1ae3046d971a0dbaf14c51866c21a 100644 (file)
--- a/hw/lm32_sys.c
+++ b/hw/lm32_sys.c
@@ -47,6 +47,7 @@ enum {
 
 struct LM32SysState {
     SysBusDevice busdev;
+    MemoryRegion iomem;
     uint32_t base;
     uint32_t regs[R_MAX];
     uint8_t testname[MAX_TESTNAME_LEN];
@@ -60,7 +61,8 @@ static void copy_testname(LM32SysState *s)
     s->testname[MAX_TESTNAME_LEN - 1] = '\0';
 }
 
-static void sys_write(void *opaque, target_phys_addr_t addr, uint32_t value)
+static void sys_write(void *opaque, target_phys_addr_t addr,
+                      uint64_t value, unsigned size)
 {
     LM32SysState *s = opaque;
     char *testname;
@@ -89,16 +91,16 @@ static void sys_write(void *opaque, target_phys_addr_t addr, uint32_t value)
     }
 }
 
-static CPUReadMemoryFunc * const sys_read_fn[] = {
-    NULL,
-    NULL,
-    NULL,
-};
+static bool sys_ops_accepts(void *opaque, target_phys_addr_t addr,
+                            unsigned size, bool is_write)
+{
+    return is_write && size == 4;
+}
 
-static CPUWriteMemoryFunc * const sys_write_fn[] = {
-    NULL,
-    NULL,
-    &sys_write,
+static const MemoryRegionOps sys_ops = {
+    .write = sys_write,
+    .valid.accepts = sys_ops_accepts,
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
 static void sys_reset(DeviceState *d)
@@ -115,11 +117,9 @@ static void sys_reset(DeviceState *d)
 static int lm32_sys_init(SysBusDevice *dev)
 {
     LM32SysState *s = FROM_SYSBUS(typeof(*s), dev);
-    int sys_regs;
 
-    sys_regs = cpu_register_io_memory(sys_read_fn, sys_write_fn, s,
-            DEVICE_NATIVE_ENDIAN);
-    sysbus_init_mmio(dev, R_MAX * 4, sys_regs);
+    memory_region_init_io(&s->iomem, &sys_ops , s, "sys", R_MAX * 4);
+    sysbus_init_mmio_region(dev, &s->iomem);
 
     /* Note: This device is not created in the board initialization,
      * instead it has to be added with the -device parameter. Therefore,