/* $NetBSD: efigetsecs.c,v 1.1 2017/01/24 11:09:14 nonaka Exp $ */
/*
* Copyright (c) 2015 YASUOKA Masahiko <
[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "efiboot.h"
#include <lib/libsa/net.h>
satime_t
getsecs(void)
{
static const int daytab[][14] = {
{ 0, -1, 30, 58, 89, 119, 150, 180, 211, 242, 272, 303, 333, 364 },
{ 0, -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
};
EFI_TIME t;
satime_t r;
int y;
#define isleap(_y) (((_y) % 4) == 0 && (((_y) % 100) != 0 || ((_y) % 400) == 0))
uefi_call_wrapper(RT->GetTime, 2, &t, NULL);
/* Calc days from UNIX epoch */
r = (t.Year - 1970) * 365;
for (y = 1970; y < t.Year; y++) {
if (isleap(y))
r++;
}
r += daytab[isleap(t.Year) ? 1 : 0][t.Month] + t.Day;
/* Calc secs */
r *= 60 * 60 * 24;
r += ((t.Hour * 60) + t.Minute) * 60 + t.Second;
if (-24 * 60 < t.TimeZone && t.TimeZone < 24 * 60)
r += t.TimeZone * 60;
return r;
}
