diff --git a/hw/stellaris_input.c b/hw/stellaris_input.c index 16aae96f2f..06c5f9d955 100644 --- a/hw/stellaris_input.c +++ b/hw/stellaris_input.c @@ -13,7 +13,7 @@ typedef struct { qemu_irq irq; int keycode; - int pressed; + uint8_t pressed; } gamepad_button; typedef struct { @@ -47,30 +47,29 @@ 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; +static const VMStateDescription vmstate_stellaris_button = { + .name = "stellaris_button", + .version_id = 0, + .minimum_version_id = 0, + .minimum_version_id_old = 0, + .fields = (VMStateField[]) { + VMSTATE_UINT8(pressed, gamepad_button), + VMSTATE_END_OF_LIST() + } +}; - 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; -} +static const VMStateDescription vmstate_stellaris_gamepad = { + .name = "stellaris_gamepad", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_INT32(extension, gamepad_state), + VMSTATE_STRUCT_VARRAY_INT32(buttons, gamepad_state, num_buttons, 0, + vmstate_stellaris_button, gamepad_button), + VMSTATE_END_OF_LIST() + } +}; /* Returns an array 5 ouput slots. */ void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode) @@ -86,6 +85,5 @@ 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(NULL, "stellaris_gamepad", -1, 1, - stellaris_gamepad_save, stellaris_gamepad_load, s); + vmstate_register(NULL, -1, &vmstate_stellaris_gamepad, s); }