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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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46
hw/stellaris_input.c
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@ -13,7 +13,7 @@
typedef struct { typedef struct {
qemu_irq irq; qemu_irq irq;
int keycode; int keycode;
int pressed; uint8_t pressed;
} gamepad_button; } gamepad_button;
typedef struct { typedef struct {
@ -47,30 +47,29 @@ static void stellaris_gamepad_put_key(void * opaque, int keycode)
s->extension = 0; s->extension = 0;
} }
static void stellaris_gamepad_save(QEMUFile *f, void *opaque) static const VMStateDescription vmstate_stellaris_button = {
{ .name = "stellaris_button",
gamepad_state *s = (gamepad_state *)opaque; .version_id = 0,
int i; .minimum_version_id = 0,
.minimum_version_id_old = 0,
qemu_put_be32(f, s->extension); .fields = (VMStateField[]) {
for (i = 0; i < s->num_buttons; i++) VMSTATE_UINT8(pressed, gamepad_button),
qemu_put_byte(f, s->buttons[i].pressed); VMSTATE_END_OF_LIST()
} }
};
static int stellaris_gamepad_load(QEMUFile *f, void *opaque, int version_id) static const VMStateDescription vmstate_stellaris_gamepad = {
{ .name = "stellaris_gamepad",
gamepad_state *s = (gamepad_state *)opaque; .version_id = 1,
int i; .minimum_version_id = 1,
.minimum_version_id_old = 1,
if (version_id != 1) .fields = (VMStateField[]) {
return -EINVAL; VMSTATE_INT32(extension, gamepad_state),
VMSTATE_STRUCT_VARRAY_INT32(buttons, gamepad_state, num_buttons, 0,
s->extension = qemu_get_be32(f); vmstate_stellaris_button, gamepad_button),
for (i = 0; i < s->num_buttons; i++) VMSTATE_END_OF_LIST()
s->buttons[i].pressed = qemu_get_byte(f);
return 0;
} }
};
/* Returns an array 5 ouput slots. */ /* Returns an array 5 ouput slots. */
void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode) 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; s->num_buttons = n;
qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s); qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s);
register_savevm(NULL, "stellaris_gamepad", -1, 1, vmstate_register(NULL, -1, &vmstate_stellaris_gamepad, s);
stellaris_gamepad_save, stellaris_gamepad_load, s);
} }