sys/include/param.h

   1 /*
   2  * Copyright (c) 2005-2007, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #ifndef _PARAM_H
  31 #define _PARAM_H
  32
  33 /*
  34  * Version
  35  */
  36 #define SYSNAME         "Prex"
  37 #define VERSION         0
  38 #define PATCHLEVEL      5
  39 #define SUBLEVEL        0
  40
  41 /*
  42  * Clock Rate
  43  */
  44 #define HZ              CONFIG_HZ       /* Ticks per second */
  45
  46 /*
  47  * Page
  48  */
  49 #define PAGE_SIZE       CONFIG_PAGE_SIZE        /* Bytes per page */
  50
  51 /*
  52  * Stack size
  53  */
  54 #define USTACK_SIZE     4096    /* User stack size for boot tasks */
  55 #define KSTACK_SIZE     2000    /* Kernel stack size */
  56
  57 /*
  58  * Scheduler
  59  */
  60 #define TIME_SLICE      CONFIG_TIME_SLICE /* Context switch ratio (msec) */
  61 #define NR_PRIO         256     /* Number of thread priority */
  62 #define PRIO_TIMER      15      /* Priority for timer thread */
  63 #define PRIO_INTERRUPT  16      /* Top priority for interrupt threads */
  64 #define PRIO_DPC        33      /* Priority for Deferred Procedure Call */
  65 #define PRIO_DEFAULT    200     /* Default priority for user threads */
  66
  67 /*
  68  * String
  69  */
  70 #define MAX_OBJNAME     32      /* Max length of object name */
  71 #define MAX_TASKNAME    12      /* Max length of task name */
  72 #define MAX_DEVNAME     12      /* Max length of device name */
  73
  74 /*
  75  * Log
  76  */
  77 #define LOGMSG_SIZE     128     /* Size of one message string */
  78
  79 /*
  80  * Security
  81  */
  82 #define CAP_MASK        0xffffffff /* Capability mask for created task */
  83
  84 #endif /* !_PARAM_H */