86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/* $NetBSD: bootinfo.h,v 1.1 2014/02/24 07:23:43 skrll Exp $ */
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/*
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* Copyright (c) 1997
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* Matthias Drochner. 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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*
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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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*/
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#define BOOTINFO_MAGIC 0xb007babe
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#ifndef _LOCORE
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struct btinfo_common {
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int len;
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int type;
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};
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#define BTINFO_MAGIC 0
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#define BTINFO_KERNELFILE 1
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#define BTINFO_SYMTAB 2
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struct btinfo_magic {
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struct btinfo_common common;
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int magic;
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};
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struct btinfo_kernelfile {
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struct btinfo_common common;
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char name[1]; /* variable length */
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};
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struct btinfo_symtab {
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struct btinfo_common common;
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int nsym;
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int ssym;
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int esym;
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};
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#endif /* _LOCORE */
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#ifdef _KERNEL
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#define BOOTINFO_MAXSIZE 1024
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#define BOOTINFO_DATASIZE (BOOTINFO_MAXSIZE - 2 * sizeof(uint32_t))
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#ifndef _LOCORE
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/*
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* Structure that holds the information passed by the boot loader.
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*/
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struct bootinfo {
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/* Number of bootinfo_* entries in bi_data. */
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uint32_t bi_nentries;
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uint32_t bi_offset;
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/* Raw data of bootinfo entries. The first one (if any) is
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* found at bi_data[0] and can be casted to (bootinfo_common *).
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* Once this is done, the following entry is found at 'len'
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* offset as specified by the previous entry. */
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uint8_t bi_data[BOOTINFO_DATASIZE];
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};
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void *lookup_bootinfo(int);
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#endif /* _LOCORE */
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#endif /* _KERNEL */
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