sys/arch/hp700/stand/boot/bootinfo.c

   1 /*      $NetBSD: bootinfo.c,v 1.1 2008/02/03 12:09:41 skrll Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jonathan Stone, Michael Hitch, Simon Burge, and Nick Hudson.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/param.h>
  33 #include <machine/types.h>
  34 #include <lib/libsa/stand.h>
  35 #include <lib/libkern/libkern.h>
  36
  37 #include "bootinfo.h"
  38
  39 struct bootinfo bootinfo;
  40
  41 void
  42 bi_init(void)
  43 {
  44         struct btinfo_magic bi_magic;
  45
  46         memset(&bootinfo, 0, sizeof(bootinfo));
  47
  48         bi_magic.magic = BOOTINFO_MAGIC;
  49         BI_ADD(&bi_magic, BTINFO_MAGIC, sizeof(bi_magic));
  50 }
  51
  52 void
  53 bi_add(struct btinfo_common *what, int type, size_t size)
  54 {
  55
  56         what->len = ALIGN(size);
  57         what->type = type;
  58         memcpy(&bootinfo.bi_data[bootinfo.bi_offset], what, size);
  59
  60         bootinfo.bi_offset += what->len;
  61         bootinfo.bi_nentries++;
  62 }