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NetBSD/sys/arch/vax/boot/edlabel.c

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/* $NetBSD: edlabel.c,v 1.3 1998/07/01 10:52:11 ragge Exp $ */
/*
* Copyright (c) 1995 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define DKTYPENAMES
#include "sys/param.h"
#include "sys/disklabel.h"
#include "lib/libsa/stand.h"
#include "ufs/ufs/dinode.h"
#include "ufs/ffs/fs.h"
struct disklabel dlabel;
char bootblock[8192];
void
showlabel()
{
struct disklabel *lp;
struct partition *pp;
int i, j;
lp = &dlabel;
printf("\n\ndisk type %d (%s), %s: %s%s%s\n", lp->d_type, lp->d_type
<DKMAXTYPES?dktypenames[lp->d_type]:dktypenames[0], lp->d_typename,
lp->d_flags & D_REMOVABLE?" removable":"", lp->d_flags & D_ECC?
" ecc":"", lp->d_flags & D_BADSECT?" badsect":"");
printf("interleave %d, rpm %d, trackskew %d, cylinderskew %d\n",
lp->d_interleave, lp->d_rpm, lp->d_trackskew, lp->d_cylskew);
printf("headswitch %d, track-to-track %d, drivedata: %d %d %d %d %d\n",
lp->d_headswitch, lp->d_trkseek, lp->d_drivedata[0],
lp->d_drivedata[1], lp->d_drivedata[2], lp->d_drivedata[3],
lp->d_drivedata[4]);
printf("\nbytes/sector: %d\n", lp->d_secsize);
printf("sectors/track: %d\n", lp->d_nsectors);
printf("tracks/cylinder: %d\n", lp->d_ntracks);
printf("sectors/cylinder: %d\n", lp->d_secpercyl);
printf("cylinders: %d\n", lp->d_ncylinders);
printf("\n%d partitions:\n", lp->d_npartitions);
printf(" size offset\n");
pp = lp->d_partitions;
for (i = 0; i < lp->d_npartitions; i++) {
printf("%c: %d, %d\n", 97 + i, lp->d_partitions[i].p_size,
lp->d_partitions[i].p_offset);
}
printf("\n");
}
setdefaultlabel()
{
printf("Sorry, not implemented yet. Later...\n\n");
}
#define GETNUM(out, num) printf(out, num);gets(store); \
if (*store) num = atoi(store);
#define GETNUM2(out, num1, num) printf(out, num1, num);gets(store); \
if (*store) num = atoi(store);
#define GETSTR(out, str) printf(out, str);gets(store); \
if (*store) bcopy(store, str, strlen(store));
#define FLAGS(out, flag) printf(out, lp->d_flags & flag?'y':'n');gets(store); \
if (*store == 'y' || *store == 'Y') lp->d_flags |= flag; \
else lp->d_flags &= ~flag;
editlabel()
{
struct disklabel *lp;
char store[256];
int i;
lp = &dlabel;
printf("\nFirst set disk type. Valid types are:\n");
for (i = 0; i < DKMAXTYPES; i++)
printf("%d %s\n", i, dktypenames[i]);
GETNUM("\nNumeric disk type? [%d] ", lp->d_type);
GETSTR("Disk name? [%s] ", lp->d_typename);
FLAGS("badsectoring? [%c] ", D_BADSECT);
FLAGS("ecc? [%c] ", D_ECC);
FLAGS("removable? [%c] ", D_REMOVABLE);
GETNUM("Interleave? [%d] ", lp->d_interleave);
GETNUM("rpm? [%d] ", lp->d_rpm);
GETNUM("trackskew? [%d] ", lp->d_trackskew);
GETNUM("cylinderskew? [%d] ", lp->d_cylskew);
GETNUM("headswitch? [%d] ", lp->d_headswitch);
GETNUM("track-to-track? [%d] ", lp->d_trkseek);
GETNUM("drivedata 0? [%d] ", lp->d_drivedata[0]);
GETNUM("drivedata 1? [%d] ", lp->d_drivedata[1]);
GETNUM("drivedata 2? [%d] ", lp->d_drivedata[2]);
GETNUM("drivedata 3? [%d] ", lp->d_drivedata[3]);
GETNUM("drivedata 4? [%d] ", lp->d_drivedata[4]);
lp->d_secsize = 512;
GETNUM("\nbytes/sector? [%d] ", lp->d_secsize);
GETNUM("sectors/track? [%d] ", lp->d_nsectors);
GETNUM("tracks/cylinder? [%d] ", lp->d_ntracks);
lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks;
GETNUM("sectors/cylinder? [%d] ", lp->d_secpercyl);
GETNUM("cylinders? [%d] ", lp->d_ncylinders);
lp->d_npartitions = MAXPARTITIONS;
for (i = 0; i < 8; i++) {
GETNUM2("%c partition: offset? [%d] ", 97 + i,
lp->d_partitions[i].p_offset);
GETNUM(" size? [%d] ", lp->d_partitions[i].p_size);
}
}
int bootdev;
void
Xmain()
{
register bdev asm("r10");
struct open_file file;
char diskname[64], *msg, *filename, indata[64];
int i, rsize;
bootdev = bdev;
printf("With this program you can modify everything in the on-disk\n");
printf("disklabel. To do something useful you must know the exact\n");
printf("geometry of your disk, and have ideas about how you want\n");
printf("your partitions to be placed on disk. Some hints:\n");
printf("The a partition should be at least ~20000 blocks, the\n");
printf("b (swap) is depending on your use of the machine but it\n");
printf("should almost never be less than ~32000 blocks.\n\n");
printf("Disk geometry for most DEC disks can be found in the disktab");
printf("\nfile, and disknames is listed in the installation notes.\n");
printf("\nRemember that disk names is given as disk(adapt, ctrl, ");
printf("disk, part)\nwhen using the installation tools.\n\n");
autoconf();
igen:
printf("Label which disk? ");
gets(diskname);
if (*diskname == 0) goto igen;
if (devopen(&file, diskname, &filename)) {
printf("cannot open %s\n", diskname);
goto igen;
}
if ((*file.f_dev->dv_strategy)(file.f_devdata, F_READ,
(daddr_t)0, 8192, bootblock, &rsize)) {
printf("cannot read label block\n");
goto igen;
}
if (msg = (char *) getdisklabel(LABELOFFSET + bootblock, &dlabel))
printf("%s: %s\n", diskname, msg);
do {
printf("(E)dit, (S)how, (D)efaults, (W)rite, (Q)uit) : ");
gets(indata);
switch (*indata) {
case ('e'):
case ('E'):
editlabel();
break;
case ('s'):
case ('S'):
showlabel();
break;
case ('d'):
case ('D'):
setdefaultlabel();
break;
case ('w'):
case ('W'):
dlabel.d_magic = DISKMAGIC;
dlabel.d_magic2 = DISKMAGIC;
dlabel.d_bbsize = BBSIZE;
dlabel.d_sbsize = SBSIZE;
dlabel.d_checksum = 0;
dlabel.d_checksum = dkcksum(&dlabel);
bcopy(&dlabel, LABELOFFSET + bootblock,
sizeof(struct disklabel));
if ((*file.f_dev->dv_strategy)(file.f_devdata, F_WRITE,
(daddr_t)0, 8192, bootblock, &rsize)) {
printf("cannot write label sectors.\n");
break;
}
printf("\nThis program does not (yet) write");
printf(" bootblocks, only disklabel.\n");
printf("Remember to write the bootblocks from the ");
printf("miniroot later with the\ncommand ");
printf("\"disklabel -B <diskname>\".\n\n");
break;
case ('q'):
case ('Q'):
default:
break;
}
} while (*indata != 'q' && *indata != 'Q');
goto igen;
}
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