FreeBSD/Linux Kernel Cross Reference
sys/mips/include/cpu.h

     /*      $OpenBSD: cpu.h,v 1.4 1998/09/15 10:50:12 pefo Exp $    */
     
     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software contributed to Berkeley by
     * Ralph Campbell and Rick Macklem.
     *
     * 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.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
     *
     *      Copyright (C) 1989 Digital Equipment Corporation.
     *      Permission to use, copy, modify, and distribute this software and
     *      its documentation for any purpose and without fee is hereby granted,
     *      provided that the above copyright notice appears in all copies.
     *      Digital Equipment Corporation makes no representations about the
     *      suitability of this software for any purpose.  It is provided "as is"
     *      without express or implied warranty.
     *
     *      from: @(#)cpu.h 8.4 (Berkeley) 1/4/94
     *      JNPR: cpu.h,v 1.9.2.2 2007/09/10 08:23:46 girish
     * $FreeBSD$
     */
    
    #ifndef _MACHINE_CPU_H_
    #define _MACHINE_CPU_H_
    
    #include <machine/endian.h>
    
    /* BEGIN: these are going away */
    
    #define soft_int_mask(softintr) (1 << ((softintr) + 8))
    #define hard_int_mask(hardintr) (1 << ((hardintr) + 10))
    
    /* END: These are going away */
    
    /*
     * Exported definitions unique to mips cpu support.
     */
    
    #ifndef _LOCORE
    #include <machine/cpufunc.h>
    #include <machine/frame.h>
    
    #define TRAPF_USERMODE(framep)  (((framep)->sr & MIPS_SR_KSU_USER) != 0)
    #define TRAPF_PC(framep)        ((framep)->pc)
    #define cpu_getstack(td)        ((td)->td_frame->sp)
    #define cpu_setstack(td, nsp)   ((td)->td_frame->sp = (nsp))
    #define cpu_spinwait()          /* nothing */
    #define cpu_lock_delay()        DELAY(1)
    
    /*
     * A machine-independent interface to the CPU's counter.
     */
    #define get_cyclecount()        mips_rd_count()
    #endif                          /* !_LOCORE */
    
    #if defined(_KERNEL) && !defined(_LOCORE)
    
    extern char btext[];
    extern char etext[];
    
    void swi_vm(void *);
    void cpu_halt(void);
    void cpu_reset(void);
    
    #endif                          /* _KERNEL */
    #endif                          /* !_MACHINE_CPU_H_ */

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