source: rtems-libbsd/rtemsbsd/rtems/rtems-kernel-init.c @ dd35ec5

5-freebsd-12
Last change on this file since dd35ec5 was 666a568, checked in by Sebastian Huber <sebastian.huber@…>, on Aug 25, 2017 at 12:23:18 PM

Include missing <string.h> and <limits.h>

Fix warnings.

Update #2132.
Update #2133.

  • Property mode set to 100644
File size: 4.7 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup rtems_bsd_rtems
5 *
6 * @brief TODO.
7 */
8
9/*
10 * Copyright (c) 2009-2015 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Dornierstr. 4
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#include <machine/rtems-bsd-kernel-space.h>
41#include <machine/rtems-bsd-thread.h>
42
43#include <sys/param.h>
44#include <sys/types.h>
45#include <sys/systm.h>
46#include <sys/kernel.h>
47#include <sys/sysctl.h>
48#include <sys/lock.h>
49#include <sys/mutex.h>
50#include <sys/proc.h>
51#include <sys/stat.h>
52#include <sys/kbio.h>
53
54#include <limits.h>
55
56#include <dev/kbd/kbdreg.h>
57
58#include <net80211/ieee80211_freebsd.h>
59
60#include <rtems/bsd/bsd.h>
61
62SYSINIT_REFERENCE(configure1);
63SYSINIT_REFERENCE(module);
64SYSINIT_REFERENCE(kobj);
65SYSINIT_REFERENCE(linker_kernel);
66SYSINIT_MODULE_REFERENCE(rootbus);
67SYSINIT_DRIVER_REFERENCE(nexus, root);
68
69RTEMS_BSD_DEFINE_SET(kbddriver_set, const keyboard_driver_t *);
70RTEMS_BSD_DEFINE_SET(modmetadata_set, struct mod_metadata *);
71RTEMS_BSD_DEFINE_SET(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc *);
72RTEMS_BSD_DEFINE_SET(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc *);
73typedef void (*ratectl_modevent)(int);
74RTEMS_BSD_DEFINE_SET(ratectl_set, ratectl_modevent);
75typedef void (*scanner_modevent)(int);
76RTEMS_BSD_DEFINE_SET(scanner_set, scanner_modevent);
77typedef void (*crypto_modevent)(int);
78RTEMS_BSD_DEFINE_SET(crypto_set, crypto_modevent);
79RTEMS_BSD_DEFINE_SET(sysctl_set, struct sysctl_oid *);
80
81RTEMS_BSD_DEFINE_RWSET(sysinit_set, struct sysinit *);
82
83/* In FreeBSD this is a local function */
84void mi_startup(void);
85
86int hz;
87int tick;
88sbintime_t tick_sbt;
89struct bintime bt_timethreshold;
90struct bintime bt_tickthreshold;
91sbintime_t sbt_timethreshold;
92sbintime_t sbt_tickthreshold;
93struct bintime tc_tick_bt;
94sbintime_t tc_tick_sbt;
95int tc_precexp;
96int maxusers;     /* base tunable */
97
98static SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD|CTLFLAG_CAPRD, NULL,
99    "Kernel SMP");
100
101static int maxid_maxcpus;
102
103SYSCTL_INT(_kern_smp, OID_AUTO, maxid, CTLFLAG_RD|CTLFLAG_CAPRD,
104    &maxid_maxcpus, 0, "Max CPU ID.");
105
106SYSCTL_INT(_kern_smp, OID_AUTO, maxcpus, CTLFLAG_RD|CTLFLAG_CAPRD,
107    &maxid_maxcpus, 0, "Max number of CPUs that the system was compiled for.");
108
109#undef _bsd_ticks
110
111RTEMS_STATIC_ASSERT(sizeof(int) == sizeof(int32_t), ticks);
112
113volatile uint32_t _Watchdog_Ticks_since_boot;
114
115extern volatile int32_t _bsd_ticks
116    __attribute__ ((__alias__("_Watchdog_Ticks_since_boot")));
117
118__attribute__((__weak__)) void _arc4random_getentropy_fail(void)
119{
120
121}
122
123__attribute__((__weak__)) int getentropy(void *buf, size_t n)
124{
125
126        memset(buf, 0, n);
127        return (0);
128}
129
130rtems_status_code
131rtems_bsd_initialize(void)
132{
133        static const char name[] = "TIME";
134        rtems_status_code sc;
135
136        hz = (int) rtems_clock_get_ticks_per_second();
137        tick = 1000000 / hz;
138        tick_sbt = SBT_1S / hz;
139        FREQ2BT(hz, &tc_tick_bt);
140        tc_tick_sbt = bttosbt(tc_tick_bt);
141        tc_precexp = 31;
142        bt_timethreshold.sec = INT_MAX;
143        bt_timethreshold.frac = ~(uint64_t)0;
144        bt_tickthreshold = bt_timethreshold;
145        sbt_timethreshold = bttosbt(bt_timethreshold);
146        sbt_tickthreshold = bttosbt(bt_tickthreshold);
147        maxusers = 1;
148        maxid_maxcpus = (int) rtems_get_processor_count();
149
150        mkdir("/etc", S_IRWXU | S_IRWXG | S_IRWXO);
151
152        sc =  rtems_timer_initiate_server(
153                rtems_bsd_get_task_priority(name),
154                rtems_bsd_get_task_stack_size(name),
155                RTEMS_DEFAULT_ATTRIBUTES
156        );
157        if (sc != RTEMS_SUCCESSFUL) {
158                return RTEMS_UNSATISFIED;
159        }
160
161        mutex_init();
162        mi_startup();
163
164        return RTEMS_SUCCESSFUL;
165}
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