source: rtems-libbsd/rtemsbsd/src/rtems-bsd-support.c @ 8420b94

4.115-freebsd-12freebsd-9.3
Last change on this file since 8420b94 was 8420b94, checked in by Jennifer Averett <jennifer.averett@…>, on May 8, 2012 at 2:14:42 PM

Modified copyright on rtems-bsd-xxx files to be consistant with FreeBSD copyright.

  • Property mode set to 100644
File size: 3.1 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup rtems_bsd_rtems
5 *
6 * @brief TODO.
7 */
8
9/*
10 * Copyright (c) 2009, 2010 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Obere Lagerstr. 30
14 *  82178 Puchheim
15 *  Germany
16 *  <rtems@embedded-brains.de>
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 *    notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 *    notice, this list of conditions and the following disclaimer in the
25 *    documentation and/or other materials provided with the distribution.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40/*
41 * This violation is specifically for _Thread_Disable_dispatch
42 * and _Thread_Enable_dispatch. Use of the critical_enter()
43 * and critical_exit() routines should be reviewed.
44 */
45#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
46#include <freebsd/machine/rtems-bsd-config.h>
47
48#include <freebsd/sys/types.h>
49#include <freebsd/sys/systm.h>
50#include <freebsd/sys/malloc.h>
51#include <freebsd/sys/uio.h>
52
53int     maxproc = 6;               /* XXX Used value of rtems KERN_MAXPROC */
54int     ngroups_max = NGROUPS_MAX; /* XXX */
55
56int     maxfiles = 7;                  /* XXX sys. wide open files limit */
57int     maxfilesperproc = 27;          /* XXX per-proc open files limit */
58int     cold = 1;                      /* XXX Wasn't sure where to put this */
59uintptr_t dpcpu_off[MAXCPU];
60int     hogticks = 2;                  /* hogticks = 2 * sched_quantum */
61
62int
63copyout(const void *kaddr, void *udaddr, size_t len)
64{
65  bcopy(kaddr, udaddr, len);
66  return (0);
67}
68
69int
70copyin(const void *udaddr, void *kaddr, size_t len)
71{
72  bcopy(udaddr, kaddr, len);
73  return (0);
74}
75
76#if 0
77/*
78 * As of 27 March 2012, use version in kern_subr.c
79 */
80int
81copyiniov(struct iovec *iovp, u_int iovcnt, struct iovec **iov, int error)
82{
83  u_int iovlen;
84
85  *iov = NULL;
86  if (iovcnt > UIO_MAXIOV)
87    return (error);
88  iovlen = iovcnt * sizeof (struct iovec);
89  *iov = malloc(iovlen, M_IOV, M_WAITOK);
90  error = copyin(iovp, *iov, iovlen);
91  if (error) {
92    free(*iov, M_IOV);
93    *iov = NULL;
94  }
95  return (error);
96}
97#endif
98
99void
100critical_enter(void)
101{
102  _Thread_Disable_dispatch();
103}
104
105void
106critical_exit(void)
107{
108  _Thread_Enable_dispatch();
109}
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