summaryrefslogtreecommitdiffstats
path: root/rtemsbsd/rtems/rtems-kernel-init.c
blob: 594e1ba4ded919e69385e3e523f67f2e8f69dd48 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/**
 * @file
 *
 * @ingroup rtems_bsd_rtems
 *
 * @brief TODO.
 */

/*
 * Copyright (c) 2009-2015 embedded brains GmbH.  All rights reserved.
 *
 *  embedded brains GmbH
 *  Dornierstr. 4
 *  82178 Puchheim
 *  Germany
 *  <rtems@embedded-brains.de>
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

#include <machine/rtems-bsd-kernel-space.h>
#include <machine/rtems-bsd-thread.h>

#include <sys/param.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/kbio.h>

#include <dev/kbd/kbdreg.h>

#include <net80211/ieee80211_freebsd.h>

#include <rtems/bsd/bsd.h>

SYSINIT_REFERENCE(configure1);
SYSINIT_REFERENCE(module);
SYSINIT_REFERENCE(kobj);
SYSINIT_REFERENCE(linker_kernel);
SYSINIT_MODULE_REFERENCE(rootbus);
SYSINIT_DRIVER_REFERENCE(nexus, root);

RTEMS_BSD_DEFINE_SET(kbddriver_set, const keyboard_driver_t *);
RTEMS_BSD_DEFINE_SET(modmetadata_set, struct mod_metadata *);
RTEMS_BSD_DEFINE_SET(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc *);
RTEMS_BSD_DEFINE_SET(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc *);
typedef void (*ratectl_modevent)(int);
RTEMS_BSD_DEFINE_SET(ratectl_set, ratectl_modevent);
typedef void (*scanner_modevent)(int);
RTEMS_BSD_DEFINE_SET(scanner_set, scanner_modevent);
RTEMS_BSD_DEFINE_SET(sysctl_set, struct sysctl_oid *);

RTEMS_BSD_DEFINE_RWSET(sysinit_set, struct sysinit *);

/* In FreeBSD this is a local function */
void mi_startup(void);

int hz;
int tick;
sbintime_t tick_sbt;
struct bintime bt_timethreshold;
struct bintime bt_tickthreshold;
sbintime_t sbt_timethreshold;
sbintime_t sbt_tickthreshold;
struct bintime tc_tick_bt;
sbintime_t tc_tick_sbt;
int tc_precexp;
int maxusers;     /* base tunable */

static SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD|CTLFLAG_CAPRD, NULL,
    "Kernel SMP");

static int maxid_maxcpus;

SYSCTL_INT(_kern_smp, OID_AUTO, maxid, CTLFLAG_RD|CTLFLAG_CAPRD,
    &maxid_maxcpus, 0, "Max CPU ID.");

SYSCTL_INT(_kern_smp, OID_AUTO, maxcpus, CTLFLAG_RD|CTLFLAG_CAPRD,
    &maxid_maxcpus, 0, "Max number of CPUs that the system was compiled for.");

#undef _bsd_ticks

RTEMS_STATIC_ASSERT(sizeof(int) == sizeof(int32_t), ticks);

volatile uint32_t _Watchdog_Ticks_since_boot;

extern volatile int32_t _bsd_ticks
    __attribute__ ((__alias__("_Watchdog_Ticks_since_boot")));

__attribute__((__weak__)) void _arc4random_getentropy_fail(void)
{

}

__attribute__((__weak__)) int getentropy(void *buf, size_t n)
{

	memset(buf, 0, n);
	return (0);
}

rtems_status_code
rtems_bsd_initialize(void)
{
	static const char name[] = "TIME";
	rtems_status_code sc;

	hz = (int) rtems_clock_get_ticks_per_second();
	tick = 1000000 / hz;
	tick_sbt = SBT_1S / hz;
	FREQ2BT(hz, &tc_tick_bt);
	tc_tick_sbt = bttosbt(tc_tick_bt);
	tc_precexp = 31;
	bt_timethreshold.sec = INT_MAX;
	bt_timethreshold.frac = ~(uint64_t)0;
	bt_tickthreshold = bt_timethreshold;
	sbt_timethreshold = bttosbt(bt_timethreshold);
	sbt_tickthreshold = bttosbt(bt_tickthreshold);
	maxusers = 1;
	maxid_maxcpus = (int) rtems_get_processor_count();

	mkdir("/etc", S_IRWXU | S_IRWXG | S_IRWXO);

	sc =  rtems_timer_initiate_server(
		rtems_bsd_get_task_priority(name),
		rtems_bsd_get_task_stack_size(name),
		RTEMS_DEFAULT_ATTRIBUTES
	);
	if (sc != RTEMS_SUCCESSFUL) {
		return RTEMS_UNSATISFIED;
	}

	mutex_init();
	mi_startup();

	return RTEMS_SUCCESSFUL;
}