void check_tasklets(void)
{
int i;
if (n_tasklets == 0)
return;
irq_off();
for (i = 0; i < MAX_TASKLETS; i++) {
if (tasklet_array[i].exe) {
tasklet_array[i].exe(tasklet_array[i].arg);
tasklet_array[i].exe = NULL;
tasklet_array[i].arg = NULL;
n_tasklets--;
}
}
irq_on();
}
void samcoupe_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
switch (id)
{
case TIMER_IRQ_OFF:
irq_off(ptr, param);
break;
case TIMER_MOUSE_RESET:
samcoupe_mouse_reset(ptr, param);
break;
case TIMER_VIDEO_UPDATE:
sam_video_update_callback(ptr, param);
break;
default:
assert_always(false, "Unknown id in samcoupe_state::device_timer");
}
}
void check_tasklets(void)
{
struct tasklet *t, *n;
irq_off();
t = tasklet_list_head;
tasklet_list_head = NULL;
tasklet_list_tail = NULL;
irq_on();
while(t) {
n = t->next;
if (t->exe) {
t->exe(t->arg);
}
//memset(t, 0x0a, sizeof(struct tasklet)); /* For testing... */
kfree(t);
t = n;
}
}
void tasklet_add(void (*exe)(void*), void *arg)
{
int i;
if (!task_in_syscall())
irq_off();
for (i = 0; i < MAX_TASKLETS; i++) {
if (!tasklet_array[i].exe) {
tasklet_array[i].exe = exe;
tasklet_array[i].arg = arg;
n_tasklets++;
if (n_tasklets > max_tasklets)
max_tasklets = n_tasklets;
if (!task_in_syscall())
irq_on();
return;
}
}
while(1) { /* Too many tasklets. */; }
}
void tasklet_add(void (*exe)(void*), void *arg)
{
struct tasklet *t, *x;
irq_off();
t = kalloc(sizeof(struct tasklet));
x = tasklet_list_tail;
if (!t)
return;
t->exe = exe;
t->arg = arg;
t->next = NULL;
if (!x) {
tasklet_list_head = t;
tasklet_list_tail = t;
} else {
x->next = t;
tasklet_list_tail = t;
}
systick_counter_enable();
irq_on();
}
