sys/include/bootinfo.h

   1 /*-
   2  * Copyright (c) 2005-2006, 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 /*
  31  * Boot information passed by OS loader
  32  *
  33  * Note: The boot structure must have same member with loader's definition.
  34  */
  35 #ifndef _BOOTINFO_H
  36 #define _BOOTINFO_H
  37
  38 #include <types.h>
  39
  40 /*
  41  * Image information for kernel, bsp, and boot tasks.
  42  * OS loader will build this structure regardless of the file format.
  43  */
  44 struct img_info
  45 {
  46         char    name[16];       /* Name of image */
  47         u_long  phys;           /* Physical address */
  48         size_t  size;           /* Size of image */
  49         u_long  entry;          /* Entry address */
  50         u_long  text;           /* Text address */
  51         u_long  data;           /* Data address */
  52         u_long  bss;            /* Bss address */
  53         u_long  ksym;           /* Ksymtab address */
  54         size_t  text_size;      /* Text size */
  55         size_t  data_size;      /* Data size */
  56         size_t  bss_size;       /* Bss size */
  57         size_t  ksym_size;      /* Ksymtab size */
  58 };
  59
  60 /*
  61  * Memory area
  62  */
  63 struct mem_info
  64 {
  65         u_long  start;          /* Start address */
  66         size_t  size;           /* Size in bytes */
  67 };
  68
  69 /*
  70  * Boot information
  71  */
  72 struct boot_info
  73 {
  74         struct {
  75                 u_long clock;
  76                 u_long reset;
  77                 u_long reserved[30];
  78         } sys;                  /* size fixed to 128 bytes */
  79         struct mem_info main_mem;       /* Main memory */
  80         struct mem_info reserved[8];    /* Reserved memory */
  81         struct mem_info ram_disk;       /* RAM disk image in memory */
  82         struct mem_info boot_modules;   /* Memory include kernel, driver etc */
  83         int             nr_tasks;       /* Number of boot tasks */
  84         struct img_info kernel;         /* Kernel image */
  85         struct img_info driver;         /* Driver image */
  86         struct img_info tasks[1];       /* Boot tasks image */
  87 };
  88
  89 extern struct boot_info *boot_info;
  90
  91 #endif /* !_BOOTINFO_H */