register: QOMify

QOMify registers as a child of TYPE_DEVICE. This allows registers to
define GPIOs.

Define an init helper that will do QOM initialisation.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 2545f71db26bf5586ca0c08a3e3cf1b217450552.1467053537.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/hw/core/register.c b/hw/core/register.c
index f7f63389d2..c7d71037e3 100644
--- a/hw/core/register.c
+++ b/hw/core/register.c
@@ -159,6 +159,17 @@ void register_reset(RegisterInfo *reg)
     register_write_val(reg, reg->access->reset);
 }
 
+void register_init(RegisterInfo *reg)
+{
+    assert(reg);
+
+    if (!reg->data || !reg->access) {
+        return;
+    }
+
+    object_initialize((void *)reg, sizeof(*reg), TYPE_REGISTER);
+}
+
 void register_write_memory(void *opaque, hwaddr addr,
                            uint64_t value, unsigned size)
 {
@@ -217,3 +228,15 @@ uint64_t register_read_memory(void *opaque, hwaddr addr,
 
     return extract64(read_val, 0, size * 8);
 }
+
+static const TypeInfo register_info = {
+    .name  = TYPE_REGISTER,
+    .parent = TYPE_DEVICE,
+};
+
+static void register_register_types(void)
+{
+    type_register_static(&register_info);
+}
+
+type_init(register_register_types)