int vmm_rtcdev_sync_wallclock(struct vmm_rtcdev *rdev)
{
int rc;
struct vmm_timezone tz, utc_tz;
struct vmm_timeval tv;
struct vmm_rtc_time tm;
if (!rdev) {
return VMM_EFAIL;
}
if ((rc = vmm_rtcdev_get_time(rdev, &tm))) {
return rc;
}
if ((rc = vmm_wallclock_get_timezone(&tz))) {
return rc;
}
utc_tz.tz_minuteswest = 0;
utc_tz.tz_dsttime = 0;
tv.tv_sec = vmm_wallclock_mktime(tm.tm_year + 1900,
tm.tm_mon + 1,
tm.tm_mday,
tm.tm_hour,
tm.tm_min,
tm.tm_sec);
tv.tv_nsec = 0;
if ((rc = vmm_wallclock_set_timeofday(&tv, &utc_tz))) {
return rc;
}
if ((rc = vmm_wallclock_set_timezone(&tz))) {
return rc;
}
return VMM_OK;
}
static int cmd_wallclock_set_time(struct vmm_chardev *cdev,
int targc, char **targv)
{
int rc;
char * s;
struct vmm_timeinfo ti;
struct vmm_timeval tv;
struct vmm_timezone tz;
if (targc > 4) {
s = targv[4];
rc = 0;
tz.tz_minuteswest = 0;
tz.tz_dsttime = 0;
if (*s == '-' || *s == '+') {
s++;
}
while (*s) {
if (*s == ':') {
rc++;
} else if ('0' <= *s && *s <= '9') {
switch(rc) {
case 0:
tz.tz_dsttime =
tz.tz_dsttime * 10 + (*s - '0');
break;
case 1:
tz.tz_minuteswest =
tz.tz_minuteswest * 10 + (*s - '0');
break;
default:
break;
};
}
s++;
}
rc = 0;
tz.tz_minuteswest += tz.tz_dsttime * 60;
tz.tz_dsttime = 0;
s = targv[4];
if (*s == '-') {
tz.tz_minuteswest *= -1;
}
if ((rc = vmm_wallclock_set_timezone(&tz))) {
vmm_cprintf(cdev, "Error: set_timezone failed\n");
return rc;
}
}
s = targv[0];
rc = 0;
ti.tm_hour = 0;
ti.tm_min = 0;
ti.tm_sec = 0;
while (*s) {
if (*s == ':') {
rc++;
} else if ('0' <= *s && *s <= '9') {
switch(rc) {
case 0:
ti.tm_hour = ti.tm_hour * 10 + (*s - '0');
break;
case 1:
ti.tm_min = ti.tm_min * 10 + (*s - '0');
break;
case 2:
ti.tm_sec = ti.tm_sec * 10 + (*s - '0');
break;
default:
break;
};
}
s++;
}
rc = 0;
ti.tm_mday = atoi(targv[1]);
str2lower(targv[2]);
if (strcmp(targv[2], "jan") == 0) {
ti.tm_mon = 0;
} else if (strcmp(targv[2], "feb") == 0) {
ti.tm_mon = 1;
} else if (strcmp(targv[2], "mar") == 0) {
ti.tm_mon = 2;
} else if (strcmp(targv[2], "apr") == 0) {
ti.tm_mon = 3;
} else if (strcmp(targv[2], "may") == 0) {
ti.tm_mon = 4;
} else if (strcmp(targv[2], "jun") == 0) {
ti.tm_mon = 5;
} else if (strcmp(targv[2], "jul") == 0) {
ti.tm_mon = 6;
} else if (strcmp(targv[2], "aug") == 0) {
ti.tm_mon = 7;
} else if (strcmp(targv[2], "sep") == 0) {
ti.tm_mon = 8;
} else if (strcmp(targv[2], "oct") == 0) {
ti.tm_mon = 9;
} else if (strcmp(targv[2], "nov") == 0) {
ti.tm_mon = 10;
} else if (strcmp(targv[2], "dec") == 0) {
ti.tm_mon = 11;
} else {
ti.tm_mon = atoi(targv[2]);
/* Directly entered month will have range 1-12. */
ti.tm_mon--;
}
ti.tm_year = atoi(targv[3]) - 1900;
tv.tv_sec = vmm_wallclock_mktime(ti.tm_year + 1900,
ti.tm_mon + 1,
ti.tm_mday,
ti.tm_hour,
ti.tm_min,
ti.tm_sec);
tv.tv_nsec = 0;
if ((rc = vmm_wallclock_set_local_time(&tv))) {
vmm_cprintf(cdev, "Error: set_local_time failed\n");
return rc;
}
return VMM_OK;
}