160 lines
3.9 KiB
C
160 lines
3.9 KiB
C
/*
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* Copyright (c) 1982, 1986 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)sys_machdep.c 7.7 (Berkeley) 5/7/91
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* $Id: sys_machdep.c,v 1.5 1994/02/13 21:13:29 chopps Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <sys/time.h>
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#include <sys/proc.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/mtio.h>
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#include <sys/buf.h>
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#include <sys/trace.h>
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#ifdef TRACE
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int nvualarm;
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vtrace(p, uap, retval)
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struct proc *p;
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register struct args {
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int request;
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int value;
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} *uap;
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int *retval;
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{
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int vdoualarm();
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switch (uap->request) {
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case VTR_DISABLE: /* disable a trace point */
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case VTR_ENABLE: /* enable a trace point */
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if (uap->value < 0 || uap->value >= TR_NFLAGS)
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return (EINVAL);
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*retval = traceflags[uap->value];
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traceflags[uap->value] = uap->request;
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break;
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case VTR_VALUE: /* return a trace point setting */
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if (uap->value < 0 || uap->value >= TR_NFLAGS)
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return (EINVAL);
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*retval = traceflags[uap->value];
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break;
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case VTR_UALARM: /* set a real-time ualarm, less than 1 min */
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if (uap->value <= 0 || uap->value > 60 * hz || nvualarm > 5)
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return (EINVAL);
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nvualarm++;
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timeout(vdoualarm, (caddr_t)p->p_pid, uap->value);
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break;
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case VTR_STAMP:
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trace(TR_STAMP, uap->value, p->p_pid);
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break;
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}
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return (0);
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}
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vdoualarm(arg)
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int arg;
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{
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register struct proc *p;
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p = pfind(arg);
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if (p)
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psignal(p, 16);
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nvualarm--;
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}
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#endif
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#include <machine/cpu.h>
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/* XXX should be in an include file somewhere */
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#define CC_PURGE 1
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#define CC_FLUSH 2
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#define CC_IPURGE 4
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#define CC_EXTPURGE 0x80000000
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/* XXX end should be */
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/*ARGSUSED1*/
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cachectl(req, addr, len)
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int req;
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caddr_t addr;
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int len;
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{
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int error = 0;
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switch (req) {
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case CC_EXTPURGE|CC_PURGE:
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case CC_EXTPURGE|CC_FLUSH:
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#if defined(HP370)
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if (ectype == EC_PHYS)
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PCIA();
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/* fall into... */
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#endif
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case CC_PURGE:
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case CC_FLUSH:
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DCIU();
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break;
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case CC_EXTPURGE|CC_IPURGE:
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#if defined(HP370)
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if (ectype == EC_PHYS)
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PCIA();
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else
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#endif
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DCIU();
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/* fall into... */
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case CC_IPURGE:
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ICIA();
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break;
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default:
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error = EINVAL;
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break;
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}
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return(error);
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}
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int
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sysarch(p, uap, retval)
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struct proc *p;
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void *uap;
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int *retval;
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{
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return ENOSYS;
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}
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