md.h revision 1.5 
1/*	$NetBSD: md.h,v 1.5 2019/06/12 06:20:21 martin Exp $	*/
2
3/*
4 * Copyright 1997 Piermont Information Systems Inc.
5 * All rights reserved.
6 *
7 * Written by Philip A. Nelson for Piermont Information Systems Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. The name of Piermont Information Systems Inc. may not be used to endorse
18 *    or promote products derived from this software without specific prior
19 *    written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35/* md.h -- Machine specific definitions for the i386 */
36
37
38#include <machine/cpu.h>
39#include <sys/types.h>
40#include <sys/stat.h>
41#include <sys/bootblock.h>
42#include <fcntl.h>
43#include <unistd.h>
44
45/* i386 uses the mbr code. */
46#include "mbr.h"
47
48/* constants and defines */
49#define	DEFUSRSIZE	0
50#define	DEFSWAPSIZE	(-1)
51#define	DEFROOTSIZE	90
52
53/* Megs required for a full X installation. */
54#define XNEEDMB 250
55
56#define DEBNEEDMB	1024	 /* Extra megs for debug sets */
57
58/* use UFS2 by default for ffs */
59#define	DEFAULT_UFS2
60
61/* have support for booting from UFS2 */
62#define	HAVE_UFS2_BOOT
63
64/* have support for booting from GPT disks */
65#define	HAVE_GPT_BOOT
66
67/* allow using tmpfs for /tmp instead of mfs */
68#define HAVE_TMPFS
69
70/* have file system specific primary boot loader */
71#define	HAVE_BOOTXX_xFS
72#define	BOOTXXDIR	"/usr/mdec"
73#define	BOOTXX_FFSV1	"bootxx_ffsv1"
74#define	BOOTXX_FFSV2	"bootxx_ffsv2"
75
76/*
77 *  Default filesets to fetch and install during installation
78 *  or upgrade. The standard sets are:
79 *      base etc comp games man misc tests text xbase xcomp xetc xfont xserver
80 */
81
82#define SET_KERNEL_GENERIC	SET_KERNEL_1
83
84#define SET_KERNEL_1_NAME	"kern-GENERIC"
85
86/*
87 * Machine-specific command to write a new label to a disk.
88 * For example, i386  uses "/sbin/disklabel -w -r", just like i386
89 * miniroot scripts, though this may leave a bogus incore label.
90 * Sun ports should probably use  DISKLABEL_CMD "/sbin/disklabel -w"
91 * to get incore  to ondisk inode translation for the Sun proms.
92 * If not defined, we assume the port does not support disklabels and
93 * hand-edited disklabel will NOT be written by MI code.
94 *
95 * On i386, do what the 1.2 install scripts did.
96 */
97#define DISKLABEL_CMD "disklabel -w -r"
98
99#define _PATH_MBR	DEFAULT_BOOTDIR "/" DEFAULT_BOOTCODE
100#define _PATH_BOOTSEL	DEFAULT_BOOTDIR "/" DEFAULT_BOOTSELCODE
101#define _PATH_BOOTEXT	DEFAULT_BOOTDIR "/" DEFAULT_BOOTEXTCODE
102
103extern struct mbr_bootsel *mbs;
104
105/* i386 can still have old mcd ISA devices */
106#ifdef CD_NAMES
107#undef CD_NAMES
108#endif
109#define CD_NAMES "cd*","mcd*"
110
111/*
112 *  prototypes for MD code.
113 */
114
115