The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $NetBSD: psl.h,v 1.6 2003/06/16 20:00:58 thorpej Exp $  */
    2 
    3 /*-
    4  * Copyright (c) 1995 Mark Brinicombe.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Mark Brinicombe
   18  *      for the NetBSD Project.
   19  * 4. The name of the company nor the name of the author may be used to
   20  *    endorse or promote products derived from this software without specific
   21  *    prior written permission.
   22  *
   23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
   24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   26  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   33  * SUCH DAMAGE.
   34  *
   35  * RiscBSD kernel project
   36  *
   37  * psl.h
   38  *
   39  * spl prototypes.
   40  * Eventually this will become a set of defines.
   41  *
   42  * Created      : 21/07/95
   43  *
   44  * $FreeBSD: releng/10.4/sys/arm/include/psl.h 266084 2014-05-14 19:18:58Z ian $
   45  */
   46 
   47 #ifndef _MACHINE_PSL_H_
   48 #define _MACHINE_PSL_H_
   49 
   50 /*
   51  * These are the different SPL states
   52  *
   53  * Each state has an interrupt mask associated with it which
   54  * indicate which interrupts are allowed.
   55  */
   56 
   57 #define _SPL_0          0
   58 #define _SPL_SOFTCLOCK  1
   59 #define _SPL_SOFTNET    2
   60 #define _SPL_BIO        3
   61 #define _SPL_NET        4
   62 #define _SPL_SOFTSERIAL 5
   63 #define _SPL_TTY        6
   64 #define _SPL_VM         7
   65 #define _SPL_AUDIO      8
   66 #define _SPL_CLOCK      9
   67 #define _SPL_STATCLOCK  10
   68 #define _SPL_HIGH       11
   69 #define _SPL_SERIAL     12
   70 #define _SPL_LEVELS     13
   71 
   72 #ifdef _KERNEL
   73 #ifndef _LOCORE
   74 extern int current_spl_level;
   75 
   76 extern u_int spl_masks[_SPL_LEVELS + 1];
   77 extern u_int spl_smasks[_SPL_LEVELS];
   78 #endif /* _LOCORE */
   79 #endif /* _KERNEL */
   80 
   81 #endif /* _ARM_PSL_H_ */
   82 /* End of psl.h */

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