diff options
Diffstat (limited to 'sys/arch/mvme88k/stand/sboot/clock.c')
| -rw-r--r-- | sys/arch/mvme88k/stand/sboot/clock.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/sys/arch/mvme88k/stand/sboot/clock.c b/sys/arch/mvme88k/stand/sboot/clock.c deleted file mode 100644 index 180a7c746db..00000000000 --- a/sys/arch/mvme88k/stand/sboot/clock.c +++ /dev/null @@ -1,118 +0,0 @@ -/* $OpenBSD: clock.c,v 1.5 2012/12/05 23:20:14 deraadt Exp $ */ - -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * Copyright (c) 1994 Gordon W. Ross - * Copyright (c) 1993 Adam Glass - * - * This software was developed by the Computer Systems Engineering group - * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and - * contributed to Berkeley. - * - * All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Lawrence Berkeley Laboratory. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)clock.c 8.1 (Berkeley) 6/11/93 - */ - -/* - * Clock driver. - */ - -#include <sys/types.h> -#include "sboot.h" -#include "clockreg.h" - -static struct clockreg *clockreg = (struct clockreg *) CLOCK_ADDR; - -/* - * BCD to decimal and decimal to BCD. - */ -#define FROMBCD(x) (((x) >> 4) * 10 + ((x) & 0xf)) -#define TOBCD(x) (((x) / 10 * 16) + ((x) % 10)) - -#define SECDAY (24 * 60 * 60) -#define SECYR (SECDAY * 365) -#define LEAPYEAR(y) (((y) & 3) == 0) - -/* - * This code is defunct after 2068. - * Will Unix still be here then?? - */ -const short dayyr[12] = - {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; - -static u_long -chiptotime(sec, min, hour, day, mon, year) - register int sec, min, hour, day, mon, year; -{ - register int days, yr; - - sec = FROMBCD(sec); - min = FROMBCD(min); - hour = FROMBCD(hour); - day = FROMBCD(day); - mon = FROMBCD(mon); - year = FROMBCD(year) + YEAR0; - if (year < 70) - year = 70; - - /* simple sanity checks */ - if (year < 70 || mon < 1 || mon > 12 || day < 1 || day > 31) - return (0); - days = 0; - for (yr = 70; yr < year; yr++) - days += LEAPYEAR(yr) ? 366 : 365; - days += dayyr[mon - 1] + day - 1; - if (LEAPYEAR(yr) && mon > 2) - days++; - /* now have days since Jan 1, 1970; the rest is easy... */ - return (days * SECDAY + hour * 3600 + min * 60 + sec); -} - -/* - * Set up the system's time, given a `reasonable' time value. - */ -u_long -time() -{ - register struct clockreg *cl = clockreg; - int sec, min, hour, day, mon, year; - - cl->cl_csr |= CLK_READ; /* enable read (stop time) */ - sec = cl->cl_sec; - min = cl->cl_min; - hour = cl->cl_hour; - day = cl->cl_mday; - mon = cl->cl_month; - year = cl->cl_year; - cl->cl_csr &= ~CLK_READ;/* time wears on */ - return (chiptotime(sec, min, hour, day, mon, year)); -} |