FreeBSD/Linux Kernel Cross Reference
sys/mips/beri/beri_mp.h

     /*-
      * Copyright (c) 2014 SRI International
      * All rights reserved.
      *
      * This software was developed by SRI International and the University of
      * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-11-C-0249)
      * ("MRC2"), as part of the DARPA MRC research programme.
      *
      * 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.
     *
     * $FreeBSD$
     */
    
    static inline int
    beri_get_core(void)
    {
            uint32_t cinfo;
    
            cinfo = mips_rd_cinfo();
            return (cinfo & 0xffff);
    }
    
    static inline int
    beri_get_ncores(void)
    {
            uint32_t cinfo;
    
            cinfo = mips_rd_cinfo();
            return ((cinfo >> 16) + 1);
    }
    
    static inline int
    beri_get_thread(void)
    {
            uint32_t tinfo;
    
            tinfo = mips_rd_tinfo();
            return (tinfo & 0xffff);
    }
    
    static inline int
    beri_get_nthreads(void)
    {
            uint32_t tinfo;
    
            tinfo = mips_rd_tinfo();
            return ((tinfo >> 16) + 1);
    }
    
    static inline int
    beri_get_cpu(void)
    {
    
            return ((beri_get_core() * beri_get_nthreads()) + beri_get_thread());
    }
    
    static inline int
    beri_get_ncpus(void)
    {
    
            return(beri_get_ncores() * beri_get_nthreads());
    }
    
    void beripic_setup_ipi(device_t dev, u_int tid, u_int ipi_irq);
    void beripic_send_ipi(device_t dev, u_int tid);
    void beripic_clear_ipi(device_t dev, u_int tid);

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