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/* $OpenBSD: osf1_generic.c,v 1.1 2000/08/04 15:47:55 ericj Exp $ */
/* $NetBSD: osf1_generic.c,v 1.1 1999/05/01 05:06:46 cgd Exp $ */
/*
* Copyright (c) 1999 Christopher G. Demetriou. 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 Christopher G. Demetriou
* for the NetBSD Project.
* 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.
*/
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <sys/exec.h>
#include <compat/osf1/osf1.h>
#include <compat/osf1/osf1_syscallargs.h>
#include <compat/osf1/osf1_cvt.h>
/*
* The structures end up being the same... but we can't be sure that
* the other word of our iov_len is zero!
*/
int
osf1_sys_readv(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_readv_args *uap = v;
struct sys_readv_args a;
struct osf1_iovec *oio;
struct iovec *nio;
caddr_t sg = stackgap_init(p->p_emul);
int error, osize, nsize, i;
if (SCARG(uap, iovcnt) > (STACKGAPLEN / sizeof (struct iovec)))
return (EINVAL);
osize = SCARG(uap, iovcnt) * sizeof (struct osf1_iovec);
nsize = SCARG(uap, iovcnt) * sizeof (struct iovec);
oio = malloc(osize, M_TEMP, M_WAITOK);
nio = malloc(nsize, M_TEMP, M_WAITOK);
error = 0;
if ((error = copyin(SCARG(uap, iovp), oio, osize)))
goto punt;
for (i = 0; i < SCARG(uap, iovcnt); i++) {
nio[i].iov_base = oio[i].iov_base;
nio[i].iov_len = oio[i].iov_len;
}
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, iovp) = stackgap_alloc(&sg, nsize);
SCARG(&a, iovcnt) = SCARG(uap, iovcnt);
if ((error = copyout(nio, (caddr_t)SCARG(&a, iovp), nsize)))
goto punt;
error = sys_readv(p, &a, retval);
punt:
free(oio, M_TEMP);
free(nio, M_TEMP);
return (error);
}
int
osf1_sys_select(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_select_args *uap = v;
struct sys_select_args a;
struct osf1_timeval otv;
struct timeval tv;
int error;
caddr_t sg;
SCARG(&a, nd) = SCARG(uap, nd);
SCARG(&a, in) = SCARG(uap, in);
SCARG(&a, ou) = SCARG(uap, ou);
SCARG(&a, ex) = SCARG(uap, ex);
error = 0;
if (SCARG(uap, tv) == NULL)
SCARG(&a, tv) = NULL;
else {
sg = stackgap_init(p->p_emul);
SCARG(&a, tv) = stackgap_alloc(&sg, sizeof tv);
/* get the OSF/1 timeval argument */
error = copyin((caddr_t)SCARG(uap, tv),
(caddr_t)&otv, sizeof otv);
if (error == 0) {
/* fill in and copy out the NetBSD timeval */
memset(&tv, 0, sizeof tv);
tv.tv_sec = otv.tv_sec;
tv.tv_usec = otv.tv_usec;
error = copyout((caddr_t)&tv,
(caddr_t)SCARG(&a, tv), sizeof tv);
}
}
if (error == 0)
error = sys_select(p, &a, retval);
return (error);
}
int
osf1_sys_writev(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_writev_args *uap = v;
struct sys_writev_args a;
struct osf1_iovec *oio;
struct iovec *nio;
caddr_t sg = stackgap_init(p->p_emul);
int error, osize, nsize, i;
if (SCARG(uap, iovcnt) > (STACKGAPLEN / sizeof (struct iovec)))
return (EINVAL);
osize = SCARG(uap, iovcnt) * sizeof (struct osf1_iovec);
nsize = SCARG(uap, iovcnt) * sizeof (struct iovec);
oio = malloc(osize, M_TEMP, M_WAITOK);
nio = malloc(nsize, M_TEMP, M_WAITOK);
error = 0;
if ((error = copyin(SCARG(uap, iovp), oio, osize)))
goto punt;
for (i = 0; i < SCARG(uap, iovcnt); i++) {
nio[i].iov_base = oio[i].iov_base;
nio[i].iov_len = oio[i].iov_len;
}
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, iovp) = stackgap_alloc(&sg, nsize);
SCARG(&a, iovcnt) = SCARG(uap, iovcnt);
if ((error = copyout(nio, (caddr_t)SCARG(&a, iovp), nsize)))
goto punt;
error = sys_writev(p, &a, retval);
punt:
free(oio, M_TEMP);
free(nio, M_TEMP);
return (error);
}
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