1ca987d46SWarner Losh /*-
2ca987d46SWarner Losh * Copyright (c) 2016 Andrew Turner
3ca987d46SWarner Losh * All rights reserved.
4ca987d46SWarner Losh *
5ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without
6ca987d46SWarner Losh * modification, are permitted provided that the following conditions
7ca987d46SWarner Losh * are met:
8ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright
9ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer.
10ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright
11ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the
12ca987d46SWarner Losh * documentation and/or other materials provided with the distribution.
13ca987d46SWarner Losh *
14ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24ca987d46SWarner Losh * SUCH DAMAGE.
25ca987d46SWarner Losh */
26ca987d46SWarner Losh
27ca987d46SWarner Losh #include <efi.h>
28ca987d46SWarner Losh #include <efilib.h>
29ca987d46SWarner Losh
30ca987d46SWarner Losh #include <time.h>
31ca987d46SWarner Losh #include <sys/time.h>
32ca987d46SWarner Losh
33ca987d46SWarner Losh static EFI_EVENT time_event;
34ca987d46SWarner Losh static uint64_t curtime;
35ca987d46SWarner Losh
36ca987d46SWarner Losh static void
time_update(EFI_EVENT event,void * context)37ca987d46SWarner Losh time_update(EFI_EVENT event, void *context)
38ca987d46SWarner Losh {
39ca987d46SWarner Losh
40*93f7be08SAndrew Turner curtime++;
41ca987d46SWarner Losh }
42ca987d46SWarner Losh
43ca987d46SWarner Losh void
efi_time_init(void)44ca987d46SWarner Losh efi_time_init(void)
45ca987d46SWarner Losh {
46ca987d46SWarner Losh
47ca987d46SWarner Losh /* Create a timer event */
48ca987d46SWarner Losh BS->CreateEvent(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
49ca987d46SWarner Losh time_update, 0, &time_event);
50*93f7be08SAndrew Turner /* Use a 1s timer */
51*93f7be08SAndrew Turner BS->SetTimer(time_event, TimerPeriodic, 10000000);
52ca987d46SWarner Losh }
53ca987d46SWarner Losh
54ca987d46SWarner Losh void
efi_time_fini(void)55ca987d46SWarner Losh efi_time_fini(void)
56ca987d46SWarner Losh {
57ca987d46SWarner Losh
58ca987d46SWarner Losh /* Cancel the timer */
59ca987d46SWarner Losh BS->SetTimer(time_event, TimerCancel, 0);
60ca987d46SWarner Losh BS->CloseEvent(time_event);
61ca987d46SWarner Losh }
62ca987d46SWarner Losh
63ca987d46SWarner Losh time_t
time(time_t * tloc)64ca987d46SWarner Losh time(time_t *tloc)
65ca987d46SWarner Losh {
66ca987d46SWarner Losh time_t t;
67ca987d46SWarner Losh
68*93f7be08SAndrew Turner t = curtime;
69ca987d46SWarner Losh if (tloc != NULL)
70ca987d46SWarner Losh *tloc = t;
71ca987d46SWarner Losh
72ca987d46SWarner Losh return (t);
73ca987d46SWarner Losh }
74ca987d46SWarner Losh
75ca987d46SWarner Losh time_t
getsecs(void)76ca987d46SWarner Losh getsecs(void)
77ca987d46SWarner Losh {
78ca987d46SWarner Losh return time(0);
79ca987d46SWarner Losh }
80