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Moved to /cvsroot/syssrc/sys/arch/arc/arc/sys_machdep.c,v

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soda 2000-01-23 20:09:18 +00:00
parent d377ebe374
commit a4a01fb9ee
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sys/arch/pica/pica/sys_machdep.c
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/* $NetBSD: sys_machdep.c,v 1.3 1999/01/19 18:18:43 thorpej Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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 the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)sys_machdep.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#include <sys/time.h>
#include <sys/proc.h>
#include <sys/uio.h>
#include <sys/kernel.h>
#include <sys/buf.h>
#include <sys/trace.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#ifdef TRACE
int nvualarm;
vtrace(p, uap, retval)
struct proc *p;
register struct vtrace_args /* {
syscallarg(int) request;
syscallarg(int) value;
} */ *uap;
register_t *retval;
{
int vdoualarm();
switch (SCARG(uap, request)) {
case VTR_DISABLE: /* disable a trace point */
case VTR_ENABLE: /* enable a trace point */
if (SCARG(uap, value) < 0 || SCARG(uap, value) >= TR_NFLAGS)
return (EINVAL);
*retval = traceflags[SCARG(uap, value)];
traceflags[SCARG(uap, value)] = SCARG(uap, request);
break;
case VTR_VALUE: /* return a trace point setting */
if (SCARG(uap, value) < 0 || SCARG(uap, value) >= TR_NFLAGS)
return (EINVAL);
*retval = traceflags[SCARG(uap, value)];
break;
case VTR_UALARM: /* set a real-time ualarm, less than 1 min */
if (SCARG(uap, value) <= 0 || SCARG(uap, value) > 60 * hz ||
nvualarm > 5)
return (EINVAL);
nvualarm++;
timeout(vdoualarm, (caddr_t)p->p_pid, SCARG(uap, value));
break;
case VTR_STAMP:
trace(TR_STAMP, SCARG(uap, value), p->p_pid);
break;
}
return (0);
}
vdoualarm(arg)
int arg;
{
register struct proc *p;
p = pfind(arg);
if (p)
psignal(p, 16);
nvualarm--;
}
#endif
sys_sysarch(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct sys_sysarch_args /* {
syscallarg(int) op;
syscallarg(void *) parms;
} */ *uap = v;
int error = 0;
switch(SCARG(uap, op)) {
default:
error = EINVAL;
break;
}
return (error);
}