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vmstate: port stellaris gamepad 

Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2010-12-02 02:36:38 +01:00 committed by Anthony Liguori
parent 0c067bbb26
commit 4483c7ac31
1 changed files with 24 additions and 26 deletions
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50
hw/stellaris_input.c
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@ -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);
}