1*d13f4989Snonaka /* $NetBSD: efigetsecs.c,v 1.1 2017/01/24 11:09:14 nonaka Exp $ */
2*d13f4989Snonaka
3*d13f4989Snonaka /*
4*d13f4989Snonaka * Copyright (c) 2015 YASUOKA Masahiko <yasuoka@yasuoka.net>
5*d13f4989Snonaka *
6*d13f4989Snonaka * Permission to use, copy, modify, and distribute this software for any
7*d13f4989Snonaka * purpose with or without fee is hereby granted, provided that the above
8*d13f4989Snonaka * copyright notice and this permission notice appear in all copies.
9*d13f4989Snonaka *
10*d13f4989Snonaka * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11*d13f4989Snonaka * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12*d13f4989Snonaka * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13*d13f4989Snonaka * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14*d13f4989Snonaka * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15*d13f4989Snonaka * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16*d13f4989Snonaka * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17*d13f4989Snonaka */
18*d13f4989Snonaka
19*d13f4989Snonaka #include "efiboot.h"
20*d13f4989Snonaka
21*d13f4989Snonaka #include <lib/libsa/net.h>
22*d13f4989Snonaka
23*d13f4989Snonaka satime_t
getsecs(void)24*d13f4989Snonaka getsecs(void)
25*d13f4989Snonaka {
26*d13f4989Snonaka static const int daytab[][14] = {
27*d13f4989Snonaka { 0, -1, 30, 58, 89, 119, 150, 180, 211, 242, 272, 303, 333, 364 },
28*d13f4989Snonaka { 0, -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
29*d13f4989Snonaka };
30*d13f4989Snonaka EFI_TIME t;
31*d13f4989Snonaka satime_t r;
32*d13f4989Snonaka int y;
33*d13f4989Snonaka #define isleap(_y) (((_y) % 4) == 0 && (((_y) % 100) != 0 || ((_y) % 400) == 0))
34*d13f4989Snonaka
35*d13f4989Snonaka uefi_call_wrapper(RT->GetTime, 2, &t, NULL);
36*d13f4989Snonaka
37*d13f4989Snonaka /* Calc days from UNIX epoch */
38*d13f4989Snonaka r = (t.Year - 1970) * 365;
39*d13f4989Snonaka for (y = 1970; y < t.Year; y++) {
40*d13f4989Snonaka if (isleap(y))
41*d13f4989Snonaka r++;
42*d13f4989Snonaka }
43*d13f4989Snonaka r += daytab[isleap(t.Year) ? 1 : 0][t.Month] + t.Day;
44*d13f4989Snonaka
45*d13f4989Snonaka /* Calc secs */
46*d13f4989Snonaka r *= 60 * 60 * 24;
47*d13f4989Snonaka r += ((t.Hour * 60) + t.Minute) * 60 + t.Second;
48*d13f4989Snonaka if (-24 * 60 < t.TimeZone && t.TimeZone < 24 * 60)
49*d13f4989Snonaka r += t.TimeZone * 60;
50*d13f4989Snonaka
51*d13f4989Snonaka return r;
52*d13f4989Snonaka }
53