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/*
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 * Copyright (c) 2009 Jiri Svoboda
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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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 *
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 * - 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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 * - 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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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup genarch
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_MULTIBOOT_H_
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#define KERN_MULTIBOOT_H_
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#include <arch/types.h>
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#include <arch/boot/memmap.h>
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/** Multiboot 32-bit address. */
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typedef uint32_t mbaddr_t;
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/** Multiboot mod structure */
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typedef struct {
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    mbaddr_t start;
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    mbaddr_t end;
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    mbaddr_t string;
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    uint32_t reserved;
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} __attribute__ ((packed)) multiboot_mod_t;
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/** Multiboot mmap structure */
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typedef struct {
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    uint32_t size;
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    e820memmap_t mm_info;
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} __attribute__ ((packed)) multiboot_mmap_t;
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/** Multiboot information structure */
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typedef struct {
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    uint32_t flags;
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    uint32_t mem_lower;
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    uint32_t mem_upper;
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    uint32_t boot_device;
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    uint32_t cmdline;
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    uint32_t mods_count;
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    mbaddr_t mods_addr;
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    uint32_t syms[4];
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    uint32_t mmap_length;
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    mbaddr_t mmap_addr;
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    /* ... */
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} __attribute__ ((packed)) multiboot_info_t;
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enum multiboot_info_flags {
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    MBINFO_FLAGS_MEM     = 0x01,
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    MBINFO_FLAGS_BOOT    = 0x02,
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    MBINFO_FLAGS_CMDLINE = 0x04,
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    MBINFO_FLAGS_MODS    = 0x08,
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    MBINFO_FLAGS_SYMS1   = 0x10,
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    MBINFO_FLAGS_SYMS2   = 0x20,
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    MBINFO_FLAGS_MMAP    = 0x40
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    /* ... */
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};
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#define MULTIBOOT_LOADER_MAGIC  0x2BADB002
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/** Convert 32-bit multiboot address to a pointer. */
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#define MULTIBOOT_PTR(mba) ((void *)(uintptr_t) (mba))
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extern void multiboot_info_parse(uint32_t, const multiboot_info_t *);
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#endif
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/** @}
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 */