mirror of
https://git.rtems.org/rtems-libbsd/
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166 lines
4.7 KiB
C
166 lines
4.7 KiB
C
/**
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* @file
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*
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* @ingroup rtems_bsd_rtems
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*
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* @brief TODO.
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*/
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/*
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* Copyright (c) 2009-2015 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <machine/rtems-bsd-kernel-space.h>
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#include <machine/rtems-bsd-thread.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/stat.h>
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#include <sys/kbio.h>
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#include <limits.h>
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#include <dev/kbd/kbdreg.h>
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#include <net80211/ieee80211_freebsd.h>
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#include <rtems/bsd/bsd.h>
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SYSINIT_REFERENCE(configure1);
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SYSINIT_REFERENCE(module);
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SYSINIT_REFERENCE(kobj);
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SYSINIT_REFERENCE(linker_kernel);
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SYSINIT_MODULE_REFERENCE(rootbus);
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SYSINIT_DRIVER_REFERENCE(nexus, root);
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RTEMS_BSD_DEFINE_SET(kbddriver_set, const keyboard_driver_t *);
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RTEMS_BSD_DEFINE_SET(modmetadata_set, struct mod_metadata *);
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RTEMS_BSD_DEFINE_SET(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc *);
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RTEMS_BSD_DEFINE_SET(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc *);
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typedef void (*ratectl_modevent)(int);
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RTEMS_BSD_DEFINE_SET(ratectl_set, ratectl_modevent);
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typedef void (*scanner_modevent)(int);
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RTEMS_BSD_DEFINE_SET(scanner_set, scanner_modevent);
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typedef void (*crypto_modevent)(int);
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RTEMS_BSD_DEFINE_SET(crypto_set, crypto_modevent);
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RTEMS_BSD_DEFINE_SET(sysctl_set, struct sysctl_oid *);
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RTEMS_BSD_DEFINE_RWSET(sysinit_set, struct sysinit *);
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/* In FreeBSD this is a local function */
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void mi_startup(void);
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int hz;
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int tick;
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sbintime_t tick_sbt;
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struct bintime bt_timethreshold;
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struct bintime bt_tickthreshold;
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sbintime_t sbt_timethreshold;
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sbintime_t sbt_tickthreshold;
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struct bintime tc_tick_bt;
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sbintime_t tc_tick_sbt;
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int tc_precexp;
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int maxusers; /* base tunable */
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static SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD|CTLFLAG_CAPRD, NULL,
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"Kernel SMP");
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static int maxid_maxcpus;
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SYSCTL_INT(_kern_smp, OID_AUTO, maxid, CTLFLAG_RD|CTLFLAG_CAPRD,
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&maxid_maxcpus, 0, "Max CPU ID.");
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SYSCTL_INT(_kern_smp, OID_AUTO, maxcpus, CTLFLAG_RD|CTLFLAG_CAPRD,
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&maxid_maxcpus, 0, "Max number of CPUs that the system was compiled for.");
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#undef _bsd_ticks
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RTEMS_STATIC_ASSERT(sizeof(int) == sizeof(int32_t), ticks);
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volatile uint32_t _Watchdog_Ticks_since_boot;
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extern volatile int32_t _bsd_ticks
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__attribute__ ((__alias__("_Watchdog_Ticks_since_boot")));
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__attribute__((__weak__)) void _arc4random_getentropy_fail(void)
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{
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}
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__attribute__((__weak__)) int getentropy(void *buf, size_t n)
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{
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memset(buf, 0, n);
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return (0);
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}
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rtems_status_code
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rtems_bsd_initialize(void)
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{
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static const char name[] = "TIME";
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rtems_status_code sc;
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hz = (int) rtems_clock_get_ticks_per_second();
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tick = 1000000 / hz;
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tick_sbt = SBT_1S / hz;
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FREQ2BT(hz, &tc_tick_bt);
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tc_tick_sbt = bttosbt(tc_tick_bt);
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tc_precexp = 31;
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bt_timethreshold.sec = INT_MAX;
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bt_timethreshold.frac = ~(uint64_t)0;
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bt_tickthreshold = bt_timethreshold;
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sbt_timethreshold = bttosbt(bt_timethreshold);
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sbt_tickthreshold = bttosbt(bt_tickthreshold);
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maxusers = 1;
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maxid_maxcpus = (int) rtems_get_processor_count();
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mkdir("/etc", S_IRWXU | S_IRWXG | S_IRWXO);
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sc = rtems_timer_initiate_server(
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rtems_bsd_get_task_priority(name),
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rtems_bsd_get_task_stack_size(name),
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RTEMS_DEFAULT_ATTRIBUTES
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);
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if (sc != RTEMS_SUCCESSFUL) {
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return RTEMS_UNSATISFIED;
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}
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mutex_init();
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mi_startup();
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return RTEMS_SUCCESSFUL;
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}
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