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authorPaolo Bonzini <pbonzini@redhat.com>2020-10-28 07:36:57 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2020-12-10 12:15:18 -0500
commitbf4d4056fb7ef7d629d003a338445db9801aa743 (patch)
tree1cde4299ea00e806cd459d98c7f3528e2af48cf5 /softmmu/vl.c
parent6b21670cfda76e47a827810eea5eb3b518cb6521 (diff)
vl: extract softmmu/rtc.c
Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'softmmu/vl.c')
-rw-r--r--softmmu/vl.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 852ecf08e1..4c95537af3 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -152,16 +152,6 @@ bool enable_cpu_pm = false;
int nb_nics;
NICInfo nd_table[MAX_NICS];
int autostart = 1;
-static enum {
- RTC_BASE_UTC,
- RTC_BASE_LOCALTIME,
- RTC_BASE_DATETIME,
-} rtc_base_type = RTC_BASE_UTC;
-static time_t rtc_ref_start_datetime;
-static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
-static int rtc_host_datetime_offset = -1; /* valid & used only with
- RTC_BASE_DATETIME */
-QEMUClockType rtc_clock;
int vga_interface_type = VGA_NONE;
static const char *vga_model = NULL;
static DisplayOptions dpy;
@@ -772,152 +762,6 @@ void qemu_system_vmstop_request(RunState state)
qemu_mutex_unlock(&vmstop_lock);
qemu_notify_event();
}
-
-/***********************************************************/
-/* RTC reference time/date access */
-static time_t qemu_ref_timedate(QEMUClockType clock)
-{
- time_t value = qemu_clock_get_ms(clock) / 1000;
- switch (clock) {
- case QEMU_CLOCK_REALTIME:
- value -= rtc_realtime_clock_offset;
- /* fall through */
- case QEMU_CLOCK_VIRTUAL:
- value += rtc_ref_start_datetime;
- break;
- case QEMU_CLOCK_HOST:
- if (rtc_base_type == RTC_BASE_DATETIME) {
- value -= rtc_host_datetime_offset;
- }
- break;
- default:
- assert(0);
- }
- return value;
-}
-
-void qemu_get_timedate(struct tm *tm, int offset)
-{
- time_t ti = qemu_ref_timedate(rtc_clock);
-
- ti += offset;
-
- switch (rtc_base_type) {
- case RTC_BASE_DATETIME:
- case RTC_BASE_UTC:
- gmtime_r(&ti, tm);
- break;
- case RTC_BASE_LOCALTIME:
- localtime_r(&ti, tm);
- break;
- }
-}
-
-int qemu_timedate_diff(struct tm *tm)
-{
- time_t seconds;
-
- switch (rtc_base_type) {
- case RTC_BASE_DATETIME:
- case RTC_BASE_UTC:
- seconds = mktimegm(tm);
- break;
- case RTC_BASE_LOCALTIME:
- {
- struct tm tmp = *tm;
- tmp.tm_isdst = -1; /* use timezone to figure it out */
- seconds = mktime(&tmp);
- break;
- }
- default:
- abort();
- }
-
- return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
-}
-
-static void configure_rtc_base_datetime(const char *startdate)
-{
- time_t rtc_start_datetime;
- struct tm tm;
-
- if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
- &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
- /* OK */
- } else if (sscanf(startdate, "%d-%d-%d",
- &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
- tm.tm_hour = 0;
- tm.tm_min = 0;
- tm.tm_sec = 0;
- } else {
- goto date_fail;
- }
- tm.tm_year -= 1900;
- tm.tm_mon--;
- rtc_start_datetime = mktimegm(&tm);
- if (rtc_start_datetime == -1) {
- date_fail:
- error_report("invalid datetime format");
- error_printf("valid formats: "
- "'2006-06-17T16:01:21' or '2006-06-17'\n");
- exit(1);
- }
- rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
- rtc_ref_start_datetime = rtc_start_datetime;
-}
-
-static void configure_rtc(QemuOpts *opts)
-{
- const char *value;
-
- /* Set defaults */
- rtc_clock = QEMU_CLOCK_HOST;
- rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
- rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
-
- value = qemu_opt_get(opts, "base");
- if (value) {
- if (!strcmp(value, "utc")) {
- rtc_base_type = RTC_BASE_UTC;
- } else if (!strcmp(value, "localtime")) {
- Error *blocker = NULL;
- rtc_base_type = RTC_BASE_LOCALTIME;
- error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
- "-rtc base=localtime");
- replay_add_blocker(blocker);
- } else {
- rtc_base_type = RTC_BASE_DATETIME;
- configure_rtc_base_datetime(value);
- }
- }
- value = qemu_opt_get(opts, "clock");
- if (value) {
- if (!strcmp(value, "host")) {
- rtc_clock = QEMU_CLOCK_HOST;
- } else if (!strcmp(value, "rt")) {
- rtc_clock = QEMU_CLOCK_REALTIME;
- } else if (!strcmp(value, "vm")) {
- rtc_clock = QEMU_CLOCK_VIRTUAL;
- } else {
- error_report("invalid option value '%s'", value);
- exit(1);
- }
- }
- value = qemu_opt_get(opts, "driftfix");
- if (value) {
- if (!strcmp(value, "slew")) {
- object_register_sugar_prop("mc146818rtc",
- "lost_tick_policy",
- "slew");
- } else if (!strcmp(value, "none")) {
- /* discard is default */
- } else {
- error_report("invalid option value '%s'", value);
- exit(1);
- }
- }
-}
-
static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
{
const char *proc_name;