| time.c (55342) | time.c (68358) |
|---|---|
| 1/*- 2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/boot/pc98/libpc98/time.c 55342 2000-01-03 15:43:52Z nyan $ | 26 * $FreeBSD: head/sys/boot/pc98/libpc98/time.c 68358 2000-11-05 12:35:41Z nyan $ |
| 27 */ 28 29#include <stand.h> 30#include <btxv86.h> 31#ifdef PC98 32#include <machine/cpufunc.h> 33#endif | 27 */ 28 29#include <stand.h> 30#include <btxv86.h> 31#ifdef PC98 32#include <machine/cpufunc.h> 33#endif |
| 34#include "bootstrap.h" 35#include "libi386.h" |
|
| 34 35/* 36 * Return the time in seconds since the beginning of the day. 37 * 38 * If we pass midnight, don't wrap back to 0. 39 * 40 * XXX uses undocumented BCD support from libstand. 41 */ 42 43time_t 44time(time_t *t) 45{ 46 static time_t lasttime, now; | 36 37/* 38 * Return the time in seconds since the beginning of the day. 39 * 40 * If we pass midnight, don't wrap back to 0. 41 * 42 * XXX uses undocumented BCD support from libstand. 43 */ 44 45time_t 46time(time_t *t) 47{ 48 static time_t lasttime, now; |
| 47 int hr, min, sec; | 49 int hr, minute, sec; |
| 48 49#ifdef PC98 50 unsigned char bios_time[6]; 51#endif 52 53 v86.ctl = 0; 54#ifdef PC98 55 v86.addr = 0x1c; /* int 0x1c, function 0 */ 56 v86.eax = 0x0000; 57 v86.es = VTOPSEG(bios_time); 58 v86.ebx = VTOPOFF(bios_time); 59#else 60 v86.addr = 0x1a; /* int 0x1a, function 2 */ 61 v86.eax = 0x0200; 62#endif 63 v86int(); 64 65#ifdef PC98 66 hr = bcd2bin(bios_time[3]); | 50 51#ifdef PC98 52 unsigned char bios_time[6]; 53#endif 54 55 v86.ctl = 0; 56#ifdef PC98 57 v86.addr = 0x1c; /* int 0x1c, function 0 */ 58 v86.eax = 0x0000; 59 v86.es = VTOPSEG(bios_time); 60 v86.ebx = VTOPOFF(bios_time); 61#else 62 v86.addr = 0x1a; /* int 0x1a, function 2 */ 63 v86.eax = 0x0200; 64#endif 65 v86int(); 66 67#ifdef PC98 68 hr = bcd2bin(bios_time[3]); |
| 67 min = bcd2bin(bios_time[4]); | 69 minute = bcd2bin(bios_time[4]); |
| 68 sec = bcd2bin(bios_time[5]); 69#else 70 hr = bcd2bin((v86.ecx & 0xff00) >> 8); /* hour in %ch */ | 70 sec = bcd2bin(bios_time[5]); 71#else 72 hr = bcd2bin((v86.ecx & 0xff00) >> 8); /* hour in %ch */ |
| 71 min = bcd2bin(v86.ecx & 0xff); /* minute in %cl */ | 73 minute = bcd2bin(v86.ecx & 0xff); /* minute in %cl */ |
| 72 sec = bcd2bin((v86.edx & 0xff00) >> 8); /* second in %dh */ 73#endif 74 | 74 sec = bcd2bin((v86.edx & 0xff00) >> 8); /* second in %dh */ 75#endif 76 |
| 75 now = hr * 3600 + min * 60 + sec; | 77 now = hr * 3600 + minute * 60 + sec; |
| 76 if (now < lasttime) 77 now += 24 * 3600; 78 lasttime = now; 79 80 if (t != NULL) 81 *t = now; 82 return(now); 83} --- 25 unchanged lines hidden --- | 78 if (now < lasttime) 79 now += 24 * 3600; 80 lasttime = now; 81 82 if (t != NULL) 83 *t = now; 84 return(now); 85} --- 25 unchanged lines hidden --- |