Save/restore for stellaris boards.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4824 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 27 insertions, 0 deletions

diff --git a/hw/stellaris_input.c b/hw/stellaris_input.c
index 461868b2ee..aef4ce0c63 100644
--- a/hw/stellaris_input.c
+++ b/hw/stellaris_input.c
@@ -47,6 +47,31 @@ static void stellaris_gamepad_put_key(void * opaque, int keycode)
     s->extension = 0;
 }
 
+static void stellaris_gamepad_save(QEMUFile *f, void *opaque)
+{
+    gamepad_state *s = (gamepad_state *)opaque;
+    int i;
+
+    qemu_put_be32(f, s->extension);
+    for (i = 0; i < s->num_buttons; i++)
+        qemu_put_byte(f, s->buttons[i].pressed);
+}
+
+static int stellaris_gamepad_load(QEMUFile *f, void *opaque, int version_id)
+{
+    gamepad_state *s = (gamepad_state *)opaque;
+    int i;
+
+    if (version_id != 1)
+        return -EINVAL;
+
+    s->extension = qemu_get_be32(f);
+    for (i = 0; i < s->num_buttons; i++)
+        s->buttons[i].pressed = qemu_get_byte(f);
+
+    return 0;
+}
+
 /* Returns an array 5 ouput slots.  */
 void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode)
 {
@@ -61,6 +86,8 @@ void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode)
     }
     s->num_buttons = n;
     qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s);
+    register_savevm("stellaris_gamepad", -1, 1,
+                    stellaris_gamepad_save, stellaris_gamepad_load, s);
 }