FreeBSD/Linux Kernel Cross Reference
sys/arm/include/psl.h

     /*      $NetBSD: psl.h,v 1.6 2003/06/16 20:00:58 thorpej Exp $  */
     
     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 1995 Mark Brinicombe.
      * All rights reserved.
      *
      * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Mark Brinicombe
     *      for the NetBSD Project.
     * 4. The name of the company nor the name of the author may be used to
     *    endorse or promote products derived from this software without specific
     *    prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
     *
     * RiscBSD kernel project
     *
     * psl.h
     *
     * spl prototypes.
     * Eventually this will become a set of defines.
     *
     * Created      : 21/07/95
     *
     * $FreeBSD: releng/12.0/sys/arm/include/psl.h 326258 2017-11-27 15:04:10Z pfg $
     */
    
    #ifndef _MACHINE_PSL_H_
    #define _MACHINE_PSL_H_
    
    /*
     * These are the different SPL states
     *
     * Each state has an interrupt mask associated with it which
     * indicate which interrupts are allowed.
     */
    
    #define _SPL_0          0
    #define _SPL_SOFTCLOCK  1
    #define _SPL_SOFTNET    2
    #define _SPL_BIO        3
    #define _SPL_NET        4
    #define _SPL_SOFTSERIAL 5
    #define _SPL_TTY        6
    #define _SPL_VM         7
    #define _SPL_AUDIO      8
    #define _SPL_CLOCK      9
    #define _SPL_STATCLOCK  10
    #define _SPL_HIGH       11
    #define _SPL_SERIAL     12
    #define _SPL_LEVELS     13
    
    #ifdef _KERNEL
    #ifndef _LOCORE
    extern int current_spl_level;
    
    extern u_int spl_masks[_SPL_LEVELS + 1];
    extern u_int spl_smasks[_SPL_LEVELS];
    #endif /* _LOCORE */
    #endif /* _KERNEL */
    
    #endif /* _ARM_PSL_H_ */
    /* End of psl.h */

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