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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

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

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2001 Jake Burkholder <jake@FreeBSD.org>
    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  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  *      from: src/sys/i386/include/runq.h,v 1.3 2005/01/06 22:18:15 imp
   29  * $FreeBSD$
   30  */
   31 
   32 #ifndef _MACHINE_RUNQ_H_
   33 #define _MACHINE_RUNQ_H_
   34 
   35 #ifdef __mips_n64
   36 #define RQB_LEN         (1)             /* Number of priority status words. */
   37 #define RQB_L2BPW       (6)             /* Log2(sizeof(rqb_word_t) * NBBY)). */
   38 #else
   39 #define RQB_LEN         (2)             /* Number of priority status words. */
   40 #define RQB_L2BPW       (5)             /* Log2(sizeof(rqb_word_t) * NBBY)). */
   41 #endif
   42 #define RQB_BPW         (1<<RQB_L2BPW)  /* Bits in an rqb_word_t. */
   43 
   44 #define RQB_BIT(pri)    (1ul << ((pri) & (RQB_BPW - 1)))
   45 #define RQB_WORD(pri)   ((pri) >> RQB_L2BPW)
   46 
   47 #ifdef __mips_n64
   48 #define RQB_FFS(word)   (ffsl(word) - 1)
   49 #else
   50 #define RQB_FFS(word)   (ffs(word) - 1)
   51 #endif
   52 
   53 /*
   54  * Type of run queue status word.
   55  */
   56 #ifdef __mips_n64
   57 typedef u_int64_t       rqb_word_t;
   58 #else
   59 typedef u_int32_t       rqb_word_t;
   60 #endif
   61 
   62 #endif

Cache object: 939e90aeb24b8770b5593b7716bebd11


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.