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Annotation of prex-old/include/prex/bootinfo.h, Revision 1.1

1.1     ! nbrk        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: /*
        !            31:  * Boot information
        !            32:  *
        !            33:  * The boot information is stored by an OS loader, and
        !            34:  * it is refered by kernel later in boot time.
        !            35:  */
        !            36:
        !            37: #ifndef _PREX_BOOTINFO_H
        !            38: #define _PREX_BOOTINFO_H
        !            39:
        !            40: #include <sys/types.h>
        !            41:
        !            42: /*
        !            43:  * Module information for kernel, driver, and boot tasks.
        !            44:  * An OS loader will build this structure regardless of its file format.
        !            45:  */
        !            46: struct module
        !            47: {
        !            48:        char    name[16];       /* name of image */
        !            49:        u_long  phys;           /* physical address */
        !            50:        size_t  size;           /* size of image */
        !            51:        u_long  entry;          /* entry address */
        !            52:        u_long  text;           /* text address */
        !            53:        u_long  data;           /* data address */
        !            54:        size_t  textsz;         /* text size */
        !            55:        size_t  datasz;         /* data size */
        !            56:        size_t  bsssz;          /* bss size */
        !            57: };
        !            58:
        !            59: /*
        !            60:  * Memory map
        !            61:  */
        !            62: struct mem_map
        !            63: {
        !            64:        u_long  start;          /* start address */
        !            65:        size_t  size;           /* size in bytes */
        !            66: };
        !            67:
        !            68: /*
        !            69:  * Video information
        !            70:  */
        !            71: struct video_cfg
        !            72: {
        !            73:        int     pixel_x;        /* screen pixels */
        !            74:        int     pixel_y;
        !            75:        int     text_x;         /* text size, in characters */
        !            76:        int     text_y;
        !            77: };
        !            78:
        !            79: #define NRESMEM                8       /* number of reserved memory */
        !            80:
        !            81: /*
        !            82:  * Boot information
        !            83:  */
        !            84: struct boot_info
        !            85: {
        !            86:        struct video_cfg video;
        !            87:        struct mem_map  main_mem;       /* main memory */
        !            88:        struct mem_map  reserved[NRESMEM];      /* system reserved memory */
        !            89:        struct mem_map  ram_disk;       /* ram disk image in memory */
        !            90:        struct mem_map  modules;        /* boot modules (kernel, driver, boot tasks) */
        !            91:        u_long          archive;        /* archive offset in memory */
        !            92:        int             nr_tasks;       /* number of boot tasks */
        !            93:        struct module   kernel;         /* kernel image */
        !            94:        struct module   driver;         /* driver image */
        !            95:        struct module   tasks[1];       /* boot tasks image */
        !            96: };
        !            97:
        !            98: #endif /* !_PREX_BOOTINFO_H */