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md.h revision 1.5 
      1 /*	$NetBSD: md.h,v 1.5 2022/06/16 14:03:37 tsutsui 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 arc */
     36 
     37 
     38 #include <machine/cpu.h>
     39 #include <sys/types.h>
     40 #include <sys/stat.h>
     41 #include <fcntl.h>
     42 #include <unistd.h>
     43 
     44 /* arc uses the mbr code. */
     45 #include "mbr.h"
     46 
     47 /* constants and defines */
     48 #define PART_BOOT	(2 * 1024 * 1024)	/* 2MB boot partition */
     49 #define PART_BOOT_MIN	(1 * 1024 * 1024)	/* 1MB minimum */
     50 
     51 /* We want the boot MSDOS partition mounted on /msdos during install */
     52 #define	PART_BOOT_MOUNT	"/msdos"
     53 #define	PART_BOOT_TYPE	FS_MSDOS
     54 #define	PART_BOOT_SUBT	MBR_PTYPE_FAT12
     55 
     56 /* default partition size */
     57 #define DEFROOTSIZE	64	/* Default root size */
     58 #define DEFSWAPSIZE	128	/* Default swap size */
     59 #define DEFVARSIZE	64	/* Default /var size, if created */
     60 #define DEFUSRSIZE	750	/* Default /usr size, if created */
     61 
     62 /* Megs required for a full X installation. */
     63 #define XNEEDMB 300
     64 
     65 #define DEBNEEDMB	900	/* Extra megs for debug sets */
     66 
     67 /* have support for booting from UFS2 */
     68 #define	HAVE_UFS2_BOOT
     69 
     70 
     71 /*
     72  *  Default filesets to fetch and install during installation
     73  *  or upgrade. The standard sets are:
     74  *      base etc comp games man misc rescue tests text xbase xcomp xetc xfont xserver
     75  */
     76 #define SET_KERNEL_1_NAME	"kern-GENERIC"
     77 #define MD_SETS_SELECTED	SET_KERNEL_1, SET_SYSTEM, SET_X11_NOSERVERS
     78 
     79 /*
     80  * Machine-specific command to write a new label to a disk.
     81  * For example, arc uses "/sbin/disklabel -w -r", just like i386
     82  * miniroot scripts, though this may leave a bogus incore label.
     83  * Sun ports should probably use  DISKLABEL_CMD "/sbin/disklabel -w"
     84  * to get incore  to ondisk inode translation for the Sun proms.
     85  * If not defined, we assume the port does not support disklabels and
     86  * hand-edited disklabel will NOT be written by MI code.
     87  */
     88 #define DISKLABEL_CMD "disklabel -w -r"
     89