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69 lines
2.1 KiB
C
69 lines
2.1 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) 2012.
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* On-Line Applications Research Corporation (OAR).
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* All rights reserved.
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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 <freebsd/machine/rtems-bsd-config.h>
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#include <freebsd/sys/types.h>
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#include <freebsd/sys/smp.h>
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#include <freebsd/machine/smp.h>
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#include <freebsd/sys/sysctl.h>
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int mp_ncpus;
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int mp_maxcpus;
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cpumask_t all_cpus;
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u_int mp_maxid;
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static void smp_configure(void *dummy)
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{
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int i;
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all_cpus = 0x0;
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#if defined(RTEMS_SMP)
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mp_ncpus = rtems_smp_get_number_of_processors();
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mp_maxcpus = rtems_configuration_smp_maximum_processors;
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#else
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mp_ncpus = 1;
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mp_maxcpus = 1;
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#endif
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mp_maxid = mp_maxcpus;
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for(i=0; i< mp_ncpus; i++)
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all_cpus |= 0x1 << i;
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}
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SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD, smp_configure, "Kernel SMP");
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