scoutos / prex-0.9.0 / include / sys / bootinfo.h @ 03e9c04a
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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 */ |