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/*
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 * Copyright (c) 2005-2007, Kohsuke Ohtani
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the author nor the names of any co-contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/*
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 * Boot information
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 *
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 * The boot information is stored by an OS loader, and
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 * it is refered by kernel later in boot time.
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 */
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#ifndef _SYS_BOOTINFO_H
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#define _SYS_BOOTINFO_H
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#include <sys/types.h>
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#define MAXIMGNAME        16
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/*
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 * Video information
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 */
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struct vidinfo
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{
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        int        pixel_x;        /* screen pixels */
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        int        pixel_y;
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        int        text_x;                /* text size, in characters */
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        int        text_y;
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};
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/*
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 * Module information for kernel, driver, and boot tasks.
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 * An OS loader will build this structure regardless of its file format.
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 */
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struct module
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{
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        char                name[MAXIMGNAME]; /* name of image */
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        paddr_t                phys;                /* physical address */
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        size_t                size;                /* size of image */
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        vaddr_t                entry;                /* entry address */
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        vaddr_t                text;                /* text address */
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        vaddr_t                data;                /* data address */
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        size_t                textsz;                /* text size */
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        size_t                datasz;                /* data size */
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        size_t                bsssz;                /* bss size */
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};
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/*
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 * Physical memory
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 */
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struct physmem
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{
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        paddr_t                base;                /* start address */
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        psize_t                size;                /* size in bytes */
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        int                type;                /* type */
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};
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/* memory types */
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#define MT_USABLE        1
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#define MT_MEMHOLE        2
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#define MT_RESERVED        3
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#define MT_BOOTDISK        4
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#define NMEMS                8                /* max number of memory slots */
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/*
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 * Boot information
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 */
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struct bootinfo
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{
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        struct vidinfo        video;                /* video information */
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        struct physmem        ram[NMEMS];        /* physical ram table */
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        int                nr_rams;        /* number of ram blocks */
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        struct physmem        bootdisk;        /* boot disk in memory */
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        int                nr_tasks;        /* number of boot tasks */
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        struct module        kernel;                /* kernel image */
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        struct module        driver;                /* driver image */
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        struct module        tasks[1];        /* boot tasks image */
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};
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#define BOOTINFOSZ        1024                /* max size of boot information */
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#endif /* !_SYS_BOOTINFO_H */