diff options
author | Michael Shalayeff <mickey@cvs.openbsd.org> | 1998-12-29 21:35:43 +0000 |
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committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 1998-12-29 21:35:43 +0000 |
commit | 64313f28209a8fd5d1f414d9d8f7474360a48115 (patch) | |
tree | 836ba821abe776f5adc275009231dee5cbdaeb83 /sys | |
parent | c2c15d782dfe1eea48cc58fd0ed061fdaa06dcac (diff) |
no microtime() yet
Diffstat (limited to 'sys')
-rw-r--r-- | sys/arch/hppa/dev/clock.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/sys/arch/hppa/dev/clock.c b/sys/arch/hppa/dev/clock.c new file mode 100644 index 00000000000..7ee0971758a --- /dev/null +++ b/sys/arch/hppa/dev/clock.c @@ -0,0 +1,121 @@ +/* $OpenBSD: clock.c,v 1.1 1998/12/29 21:35:42 mickey Exp $ */ + +/* + * Copyright (c) 1998 Michael Shalayeff + * All rights reserved. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Michael Shalayeff. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/time.h> + +#include <dev/clock_subr.h> + +#include <machine/pdc.h> +#include <machine/iomod.h> +#include <machine/psl.h> +#include <machine/intr.h> +#include <machine/reg.h> +#include <machine/cpufunc.h> +#include <machine/autoconf.h> + +struct timeval time; + +void startrtclock __P((void)); + +/* + * Return the best possible estimate of the current time. + */ +void +microtime(tvp) + struct timeval *tvp; +{ + +} + +void +cpu_initclocks() +{ + u_int time_inval; +#ifdef USELEDS + static u_int hbcnt = 0; + + if (!(hbcnt % 50)) { + register u_int r = (hbcnt / 50) % 6; + + heartbeat(r < 4 && !(r % 2)); + } +#endif + /* Start the interval timer. */ + mfctl(CR_ITMR, time_inval); + mtctl(time_inval + cpu_hzticks, CR_ITMR); +} + + +/* + * initialize the system time from the time of day clock + */ +void +inittodr(t) + time_t t; +{ + static struct pdc_tod tod; + + pdc_call((iodcio_t)PAGE0->mem_pdc, 1, PDC_TOD, PDC_TOD_READ, + &tod, 0, 0, 0, 0, 0); + + time = *(struct timeval *)&tod; + + if ((long)time.tv_sec < 0) { + time.tv_sec = SECYR * (1990 - 1970); + printf("WARNING: clock not initialized -- check and reset\n"); + } +} + +/* + * reset the time of day clock to the value in time + */ +void +resettodr() +{ + static struct pdc_tod tod; + + tod.sec = time.tv_sec; + tod.usec = time.tv_usec; + + pdc_call((iodcio_t)PAGE0->mem_pdc, 1, PDC_TOD, PDC_TOD_WRITE, &tod); +} + +void +setstatclockrate(newhz) + int newhz; +{ + /* nothing we can do */ +} + |