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/**
* @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 <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/filedesc.h>
#include <sys/jail.h>
#include <sys/kbio.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/resourcevar.h>
#include <sys/stat.h>
#include <sys/sx.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>
#include <machine/rtems-bsd-page.h>
#include <machine/rtems-bsd-thread.h>
#include <dev/kbd/kbdreg.h>
#include <net80211/ieee80211_freebsd.h>
#include <limits.h>
#include <rtems/bsd/bsd.h>
#include <rtems/libio_.h>
#include <rtems/malloc.h>
#include <uuid/uuid.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);
typedef void (*crypto_modevent)(int);
RTEMS_BSD_DEFINE_SET(crypto_set, crypto_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;
volatile int ticks;
sbintime_t tick_sbt;
sbintime_t rtems_bsd_sbt_per_watchdog_tick;
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 maxproc;
int maxfiles;
int maxfilesperproc;
int ngroups_max;
int unmapped_buf_allowed;
caddr_t unmapped_base;
long maxbcache;
int bio_transient_maxcnt;
struct sx allproc_lock;
struct vmem *rtems_bsd_transient_arena;
int nbuf; /* The number of buffer headers */
int nswbuf; /* Number of swap I/O buffer headers. */
void (*nlminfo_release_p)(struct proc *p);
struct sysentvec rtems_sysvec;
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.");
static void
cpu_startup(void *dummy)
{
kern_vfs_bio_buffer_alloc(unmapped_base, maxbcache);
bufinit();
vm_pager_bufferinit();
}
SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL);
/*
* Create a single process. RTEMS is a single address, single process OS.
*/
static void
proc0_init(void *dummy)
{
struct proc *p = &proc0;
struct ucred *newcred;
struct uidinfo tmpuinfo;
uuid_t uuid;
uihashinit();
/* Create the file descriptor table. */
newcred = crget();
newcred->cr_uid = 0;
newcred->cr_ruid = 0;
newcred->cr_ngroups = 1; /* group 0 */
newcred->cr_groups[0] = 0;
newcred->cr_rgid = 0;
tmpuinfo.ui_uid = 1;
curthread->td_ucred = newcred;
newcred->cr_uidinfo = newcred->cr_ruidinfo = &tmpuinfo;
newcred->cr_uidinfo = uifind(0);
newcred->cr_ruidinfo = uifind(0);
p->p_ucred = newcred;
p->p_pid = getpid();
p->p_fd = fdinit(NULL, false);
p->p_fdtol = NULL;
rtems_sysvec.sv_flags = SV_ABI_FREEBSD;
#ifdef __LP64__
rtems_sysvec.sv_flags |= SV_LP64;
#else
rtems_sysvec.sv_flags |= SV_ILP32;
#endif
p->p_sysent = &rtems_sysvec;
uuid_generate(uuid);
uuid_unparse(uuid, prison0.pr_hostuuid);
}
SYSINIT(p0init, SI_SUB_INTRINSIC, SI_ORDER_FIRST, proc0_init, NULL);
rtems_status_code
rtems_bsd_initialize(void)
{
static const char name[] = "TIME";
rtems_status_code sc;
int tps;
/*
* Limit the libbsd ticks per second to 100Hz. This helps to reduce
* the processor load on low end targets which use 1000Hz for the RTEMS
* clock tick.
*/
tps = (int)rtems_clock_get_ticks_per_second();
hz = MIN(100, tps);
tick = 1000000 / hz;
tick_sbt = SBT_1S / hz;
rtems_bsd_sbt_per_watchdog_tick = SBT_1S / tps;
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);
maxid_maxcpus = (int)rtems_scheduler_get_processor_maximum();
bio_transient_maxcnt = 1024;
sx_init(&allproc_lock, "allproc");
maxfiles = rtems_libio_number_iops;
maxfilesperproc = maxfiles;
maxproc = 16;
ngroups_max = 4;
maxbcache = rtems_bsd_get_allocator_domain_size(
RTEMS_BSD_ALLOCATOR_DOMAIN_BIO);
unmapped_base = (caddr_t)rtems_heap_allocate_aligned_with_boundary(
maxbcache, CACHE_LINE_SIZE, 0);
if (unmapped_base == NULL) {
return RTEMS_UNSATISFIED;
}
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();
#ifdef KTR
ktr_verbose = 10;
ktr_mask = KTR_ALL;
ktr_mask = KTR_GEN | KTR_LOCK | KTR_VFS | KTR_VOP | KTR_BUF |
KTR_MALLOC | KTR_SYSC | KTR_RUNQ;
#endif
return RTEMS_SUCCESSFUL;
}
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