1*22028508SToomas Soome /*
2*22028508SToomas Soome * Copyright (c) 2016 Andrew Turner
3*22028508SToomas Soome * All rights reserved.
4*22028508SToomas Soome *
5*22028508SToomas Soome * Redistribution and use in source and binary forms, with or without
6*22028508SToomas Soome * modification, are permitted provided that the following conditions
7*22028508SToomas Soome * are met:
8*22028508SToomas Soome * 1. Redistributions of source code must retain the above copyright
9*22028508SToomas Soome * notice, this list of conditions and the following disclaimer.
10*22028508SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
11*22028508SToomas Soome * notice, this list of conditions and the following disclaimer in the
12*22028508SToomas Soome * documentation and/or other materials provided with the distribution.
13*22028508SToomas Soome *
14*22028508SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*22028508SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*22028508SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*22028508SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*22028508SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*22028508SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*22028508SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*22028508SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*22028508SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*22028508SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*22028508SToomas Soome * SUCH DAMAGE.
25*22028508SToomas Soome */
26*22028508SToomas Soome
27*22028508SToomas Soome #include <sys/cdefs.h>
28*22028508SToomas Soome
29*22028508SToomas Soome #include <efi.h>
30*22028508SToomas Soome #include <efilib.h>
31*22028508SToomas Soome
32*22028508SToomas Soome #include <time.h>
33*22028508SToomas Soome #include <sys/time.h>
34*22028508SToomas Soome
35*22028508SToomas Soome static EFI_EVENT time_event;
36*22028508SToomas Soome static uint64_t curtime;
37*22028508SToomas Soome
38*22028508SToomas Soome static void
time_update(EFI_EVENT event,void * context)39*22028508SToomas Soome time_update(EFI_EVENT event, void *context)
40*22028508SToomas Soome {
41*22028508SToomas Soome
42*22028508SToomas Soome curtime++;
43*22028508SToomas Soome }
44*22028508SToomas Soome
45*22028508SToomas Soome void
efi_time_init(void)46*22028508SToomas Soome efi_time_init(void)
47*22028508SToomas Soome {
48*22028508SToomas Soome
49*22028508SToomas Soome /* Create a timer event */
50*22028508SToomas Soome BS->CreateEvent(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
51*22028508SToomas Soome time_update, 0, &time_event);
52*22028508SToomas Soome /* Use a 1s timer */
53*22028508SToomas Soome BS->SetTimer(time_event, TimerPeriodic, 10000000);
54*22028508SToomas Soome }
55*22028508SToomas Soome
56*22028508SToomas Soome void
efi_time_fini(void)57*22028508SToomas Soome efi_time_fini(void)
58*22028508SToomas Soome {
59*22028508SToomas Soome
60*22028508SToomas Soome /* Cancel the timer */
61*22028508SToomas Soome BS->SetTimer(time_event, TimerCancel, 0);
62*22028508SToomas Soome BS->CloseEvent(time_event);
63*22028508SToomas Soome }
64*22028508SToomas Soome
65*22028508SToomas Soome time_t
time(time_t * tloc)66*22028508SToomas Soome time(time_t *tloc)
67*22028508SToomas Soome {
68*22028508SToomas Soome time_t t;
69*22028508SToomas Soome
70*22028508SToomas Soome t = curtime;
71*22028508SToomas Soome if (tloc != NULL)
72*22028508SToomas Soome *tloc = t;
73*22028508SToomas Soome
74*22028508SToomas Soome return (t);
75*22028508SToomas Soome }
76*22028508SToomas Soome
77*22028508SToomas Soome time_t
getsecs(void)78*22028508SToomas Soome getsecs(void)
79*22028508SToomas Soome {
80*22028508SToomas Soome return (time(0));
81*22028508SToomas Soome }
82