int vmm_rtcdev_sync_device(struct vmm_rtcdev *rdev)
{
int rc;
struct vmm_timezone tz;
struct vmm_timeval tv;
struct vmm_rtc_time tm;
if (!rdev) {
return VMM_EFAIL;
}
if ((rc = vmm_wallclock_get_timeofday(&tv, &tz))) {
return rc;
}
tv.tv_sec -= tz.tz_minuteswest * 60;
vmm_rtc_time_to_tm((unsigned long)tv.tv_sec, &tm);
if ((rc = vmm_rtcdev_set_time(rdev, &tm))) {
return rc;
}
return VMM_OK;
}
static int cmd_wallclock_get_time(struct vmm_chardev *cdev)
{
int rc;
struct vmm_timeinfo ti;
struct vmm_timeval tv;
struct vmm_timezone tz;
rc = vmm_wallclock_get_timeofday(&tv, &tz);
if (rc) {
vmm_cprintf(cdev, "Error: get_time failed\n");
return rc;
}
vmm_wallclock_mkinfo(tv.tv_sec, 0, &ti);
switch (ti.tm_wday) {
case 0:
vmm_cprintf(cdev, "%s ", "Sun");
break;
case 1:
vmm_cprintf(cdev, "%s ", "Mon");
break;
case 2:
vmm_cprintf(cdev, "%s ", "Tue");
break;
case 3:
vmm_cprintf(cdev, "%s ", "Wed");
break;
case 4:
vmm_cprintf(cdev, "%s ", "Thu");
break;
case 5:
vmm_cprintf(cdev, "%s ", "Fri");
break;
case 6:
vmm_cprintf(cdev, "%s ", "Sat");
break;
default:
vmm_cprintf(cdev, "Error: Invalid day of week\n");
};
switch (ti.tm_mon) {
case 0:
vmm_cprintf(cdev, "%s ", "Jan");
break;
case 1:
vmm_cprintf(cdev, "%s ", "Feb");
break;
case 2:
vmm_cprintf(cdev, "%s ", "Mar");
break;
case 3:
vmm_cprintf(cdev, "%s ", "Apr");
break;
case 4:
vmm_cprintf(cdev, "%s ", "May");
break;
case 5:
vmm_cprintf(cdev, "%s ", "Jun");
break;
case 6:
vmm_cprintf(cdev, "%s ", "Jul");
break;
case 7:
vmm_cprintf(cdev, "%s ", "Aug");
break;
case 8:
vmm_cprintf(cdev, "%s ", "Sep");
break;
case 9:
vmm_cprintf(cdev, "%s ", "Oct");
break;
case 10:
vmm_cprintf(cdev, "%s ", "Nov");
break;
case 11:
vmm_cprintf(cdev, "%s ", "Dec");
break;
default:
vmm_cprintf(cdev, "Error: Invalid month\n");
};
vmm_cprintf(cdev, "%2d %d:%d:%d ", ti.tm_mday,
ti.tm_hour, ti.tm_min, ti.tm_sec);
if (tz.tz_minuteswest == 0) {
vmm_cprintf(cdev, "UTC ");
} else if (tz.tz_minuteswest < 0) {
tz.tz_minuteswest *= -1;
vmm_cprintf(cdev, "UTC-%d:%d ", tz.tz_minuteswest / 60,
tz.tz_minuteswest % 60);
} else {
vmm_cprintf(cdev, "UTC+%d:%d ", tz.tz_minuteswest / 60,
tz.tz_minuteswest % 60);
}
vmm_cprintf(cdev, "%ld", ti.tm_year + 1900);
vmm_cprintf(cdev, "\n");
return VMM_OK;
}
