static long alarm_do_ioctl(struct file *file, unsigned int cmd,
struct timespec *ts)
{
int rv = 0;
unsigned long flags;
enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
if (alarm_type >= ANDROID_ALARM_TYPE_COUNT)
return -EINVAL;
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0) && ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_WAIT_CHANGE) {
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return -EPERM;
if (file->private_data == NULL &&
cmd != ANDROID_ALARM_SET_RTC) {
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_opened) {
spin_unlock_irqrestore(&alarm_slock, flags);
return -EBUSY;
}
alarm_opened = 1;
file->private_data = (void *)1;
spin_unlock_irqrestore(&alarm_slock, flags);
}
}
switch (ANDROID_ALARM_BASE_CMD(cmd)) {
case ANDROID_ALARM_CLEAR(0):
alarm_clear(alarm_type);
break;
case ANDROID_ALARM_SET(0):
alarm_set(alarm_type, ts);
break;
case ANDROID_ALARM_SET_AND_WAIT(0):
alarm_set(alarm_type, ts);
/* fall though */
case ANDROID_ALARM_WAIT:
rv = alarm_wait();
break;
case ANDROID_ALARM_WAIT_CHANGE:
{
rv = wait_event_interruptible(alarm_wait_change_queue, delta);
if (rv == -ERESTARTSYS) {
rv = -EINTR;
}
break;
}
case ANDROID_ALARM_SET_RTC:
rv = alarm_set_rtc(ts);
break;
case ANDROID_ALARM_GET_TIME(0):
rv = alarm_get_time(alarm_type, ts);
break;
default:
rv = -EINVAL;
}
err1:
return rv;
}
static long alarm_do_ioctl(struct file *file, unsigned int cmd,
struct timespec *ts)
{
int rv = 0;
unsigned long flags;
enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
if (alarm_type >= ANDROID_ALARM_TYPE_COUNT)
return -EINVAL;
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)) {
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return -EPERM;
if (file->private_data == NULL &&
cmd != ANDROID_ALARM_SET_RTC) {
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_opened) {
spin_unlock_irqrestore(&alarm_slock, flags);
return -EBUSY;
}
alarm_opened = 1;
file->private_data = (void *)1;
spin_unlock_irqrestore(&alarm_slock, flags);
}
}
switch (ANDROID_ALARM_BASE_CMD(cmd)) {
case ANDROID_ALARM_CLEAR(0):
alarm_clear(alarm_type);
break;
case ANDROID_ALARM_SET(0):
alarm_set(alarm_type, ts);
break;
case ANDROID_ALARM_SET_AND_WAIT(0):
alarm_set(alarm_type, ts);
/* fall though */
case ANDROID_ALARM_WAIT:
rv = alarm_wait();
break;
case ANDROID_ALARM_SET_RTC:
rv = alarm_set_rtc(ts);
break;
#ifdef CONFIG_RTC_BOOT_ALARM
case ANDROID_ALARM_SET_BOOT_ALARM:
rv = alarm_set_boot_alarm(ts);
break;
#endif
case ANDROID_ALARM_GET_TIME(0):
rv = alarm_get_time(alarm_type, ts);
break;
default:
rv = -EINVAL;
}
return rv;
}
/* alarm_task: alarm task */
void alarm_task(void)
{
/* infinite loop */
while (1)
{
alarm_wait();
display_alarm_text();
increment_alarm();
/* wait one second */
si_wait_n_ms(1000);
}
}
void* kvfsd(void *arg)
{
uint_t tm_now, cntr;
struct task_s *task;
struct thread_s *this;
struct cpu_s *cpu;
struct alarm_info_s info;
struct event_s event;
uint_t fs_type;
error_t err;
cpu_enable_all_irq(NULL);
printk(INFO, "INFO: Starting KVFSD on CPU %d [ %d ]\n", cpu_get_id(), cpu_time_stamp());
task = current_task;
fs_type = VFS_TYPES_NR;
#if CONFIG_ROOTFS_IS_EXT2
fs_type = VFS_EXT2_TYPE;
#endif
#if CONFIG_ROOTFS_IS_VFAT
#if CONFIG_ROOTFS_IS_EXT2
#error More than one root fs has been selected
#endif
fs_type = VFS_VFAT_TYPE;
#endif /* CONFIG_ROOTFS_IS_VFAT_TYPE */
err = vfs_init(__sys_blk,
fs_type,
VFS_MAX_NODE_NUMBER,
VFS_MAX_FILE_NUMBER,
&task->vfs_root);
task->vfs_cwd = task->vfs_root;
printk(INFO, "INFO: Virtual File System (VFS) Is Ready\n");
sysconf_init();
if(err == 0)
{
if((err = task_load_init(task)))
{
printk(WARNING, "WARNING: failed to load user process, err %d [%u]\n",
err,
cpu_time_stamp());
}
}
#if CONFIG_DEV_VERSION
if(err != 0)
{
struct thread_s *thread;
printk(INFO, "INFO: Creating kernel level terminal\n");
thread = kthread_create(task,
&kMiniShelld,
NULL,
current_cluster->id,
current_cpu->lid);
thread->task = task;
list_add_last(&task->th_root, &thread->rope);
err = sched_register(thread);
assert(err == 0);
sched_add_created(thread);
}
#endif
this = current_thread;
cpu = current_cpu;
event_set_senderId(&event, this);
event_set_priority(&event, E_FUNC);
event_set_handler(&event, &kvfsd_alarm_event_handler);
info.event = &event;
cntr = 0;
while(1)
{
alarm_wait(&info, 10);
sched_sleep(this);
tm_now = cpu_time_stamp();
printk(INFO, "INFO: System Current TimeStamp %u\n", tm_now);
sync_all_pages();
if((cntr % 4) == 0)
dqdt_print_summary(dqdt_root);
cntr ++;
}
return NULL;
}
int syscall_wait(int c)
{
return alarm_wait(c);
}
static long alarm_do_ioctl(struct file *file, unsigned int cmd,
struct timespec *ts, struct rtc_wkalrm *alm)
{
int rv = 0;
unsigned long flags;
enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
alarm_dbg(INFO, "alarm_do_ioctl cmd:%d type:%d (%lu)\n",
cmd, alarm_type, (uintptr_t)file->private_data);
if (alarm_type >= ANDROID_ALARM_TYPE_COUNT &&
alarm_type != ANDROID_ALARM_POWER_ON &&
alarm_type != ANDROID_ALARM_POWER_ON_LOGO) {
return -EINVAL;
}
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)
&& ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_SET_IPO(0)
&& ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_POWER_ON_IPO) {
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return -EPERM;
if (file->private_data == NULL &&
cmd != ANDROID_ALARM_SET_RTC) {
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_opened) {
spin_unlock_irqrestore(&alarm_slock, flags);
alarm_dbg(INFO, "alarm_do_ioctl EBUSY\n");
file->private_data = NULL;
return -EBUSY;
}
alarm_opened = 1;
file->private_data = (void *)1;
spin_unlock_irqrestore(&alarm_slock, flags);
alarm_dbg(INFO, "alarm_do_ioctl opened\n");
}
}
switch (ANDROID_ALARM_BASE_CMD(cmd)) {
case ANDROID_ALARM_CLEAR(0):
alarm_clear(alarm_type, ts);
break;
case ANDROID_ALARM_SET(0):
alarm_set(alarm_type, ts);
break;
case ANDROID_ALARM_SET_AND_WAIT(0):
alarm_set(alarm_type, ts);
/* fall though */
case ANDROID_ALARM_WAIT:
rv = alarm_wait();
break;
case ANDROID_ALARM_SET_IPO(0):
alarm_set(alarm_type, ts);
break;
case ANDROID_ALARM_SET_AND_WAIT_IPO(0):
alarm_set(alarm_type, ts);
/* fall though */
case ANDROID_ALARM_WAIT_IPO:
rv = alarm_wait();
break;
case ANDROID_ALARM_SET_RTC:
rv = alarm_set_rtc(ts);
break;
case ANDROID_ALARM_GET_TIME(0):
rv = alarm_get_time(alarm_type, ts);
break;
case ANDROID_ALARM_GET_POWER_ON:
alarm_get_power_on(alm);
break;
case ANDROID_ALARM_GET_POWER_ON_IPO:
alarm_get_power_on(alm);
break;
default:
rv = -EINVAL;
}
return rv;
}