+++ /dev/null
-/* $OpenBSD: inst.c,v 1.5 1997/04/16 12:38:22 downsj Exp $ */
-/* $NetBSD: inst.c,v 1.6 1996/12/21 21:23:43 thorpej Exp $ */
-
-/*
- * Copyright (c) 1995, 1996 Jason R. Thorpe.
- * 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 for the NetBSD Project
- * by Jason R. Thorpe.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * Portions of this program are inspired by (and have borrowed code from)
- * the `editlabel' program that accompanies NetBSD/vax, which carries
- * the following notice:
- *
- * 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/reboot.h>
-#include <sys/disklabel.h>
-#include <machine/exec.h>
-#include <a.out.h>
-#include "stand.h"
-#include "samachdep.h"
-
-char line[100];
-
-extern u_int opendev;
-extern char *lowram;
-extern int noconsole;
-extern int netio_ask;
-
-extern const char version[];
-
-char *kernel_name = "/bsd";
-
-void dsklabel __P((void));
-void miniroot __P((void));
-void bootmini __P((void));
-void resetsys __P((void));
-void gethelp __P((void));
-int opendisk __P((char *, char *, int, char, int *));
-void disklabel_edit __P((struct disklabel *));
-void disklabel_show __P((struct disklabel *));
-int disklabel_write __P((char *, int, struct open_file *));
-int a2int __P((char *));
-
-struct inst_command {
- char *ic_cmd; /* command name */
- char *ic_desc; /* command description */
- void (*ic_func) __P((void)); /* handling function */
-} inst_commands[] = {
- { "disklabel", "place partition map on disk", dsklabel },
- { "miniroot", "place miniroot on disk", miniroot },
- { "boot", "boot from miniroot", bootmini },
- { "reset", "reset the system", resetsys },
- { "help", "display command list", gethelp },
-};
-#define NCMDS (sizeof(inst_commands) / sizeof(inst_commands[0]))
-
-main()
-{
- int i, currname = 0;
-
- /*
- * We want netopen() to ask for IP address, etc, rather
- * that using bootparams.
- */
- netio_ask = 1;
-
- printf("\n>> OpenBSD [%dKB] MINIROOT INSTALLATION %s HP9000/%s CPU\n",
- (__LDPGSZ / 1024), version, getmachineid());
- gethelp();
-
- for (;;) {
- printf("sys_inst> ");
- bzero(line, sizeof(line));
- gets(line);
- if (line[0] == '\n' || line[0] == '\0')
- continue;
-
- for (i = 0; i < NCMDS; ++i)
- if (strcmp(line, inst_commands[i].ic_cmd) == 0) {
- (*inst_commands[i].ic_func)();
- break;
- }
-
-
- if (i == NCMDS)
- printf("unknown command: %s\n", line);
- }
-}
-
-void
-gethelp()
-{
- int i;
-
- printf(">> Available commands:\n");
- for (i = 0; i < NCMDS; ++i)
- printf(">> %s - %s\n", inst_commands[i].ic_cmd,
- inst_commands[i].ic_desc);
-}
-
-/*
- * Do all the steps necessary to place a disklabel on a disk.
- * Note, this assumes 512 byte sectors.
- */
-void
-dsklabel()
-{
- struct disklabel *lp;
- struct open_file *disk_ofp;
- int dfd, error;
- size_t xfersize;
- char block[DEV_BSIZE], diskname[64];
- extern struct open_file files[];
-
- printf("
-You will be asked several questions about your disk, most of which
-require prior knowledge of the disk's geometry. There is no easy way
-for the system to provide this information for you. If you do not have
-this information, please consult your disk's manual or another
-informative source.\n\n");
-
- /* Error message printed by opendisk() */
- if (opendisk("Disk to label?", diskname, sizeof(diskname),
- ('a' + RAW_PART), &dfd))
- return;
-
- disk_ofp = &files[dfd];
-
- bzero(block, sizeof(block));
- if (error = (*disk_ofp->f_dev->dv_strategy)(disk_ofp->f_devdata,
- F_READ, LABELSECTOR, sizeof(block), block, &xfersize)) {
- printf("cannot read disk %s, errno = %d\n", diskname, error);
- return;
- }
-
- printf("Sucessfully read %d bytes from %s\n", xfersize, diskname);
-
- lp = (struct disklabel *)((void *)(&block[LABELOFFSET]));
-
- disklabel_loop:
- bzero(line, sizeof(line));
- printf("(z)ap, (e)dit, (s)how, (w)rite, (d)one > ");
- gets(line);
- if (line[0] == '\n' || line[0] == '\0')
- goto disklabel_loop;
-
- switch (line[0]) {
- case 'z':
- case 'Z': {
- char zap[DEV_BSIZE];
- bzero(zap, sizeof(zap));
- (void)(*disk_ofp->f_dev->dv_strategy)(disk_ofp->f_devdata,
- F_WRITE, LABELSECTOR, sizeof(zap), zap, &xfersize);
- }
- goto out;
- /* NOTREACHED */
-
- case 'e':
- case 'E':
- disklabel_edit(lp);
- break;
-
- case 's':
- case 'S':
- disklabel_show(lp);
- break;
-
- case 'w':
- case 'W':
- /*
- * Error message will be displayed by disklabel_write()
- */
- if (disklabel_write(block, sizeof(block), disk_ofp))
- goto out;
- else
- printf("Sucessfully wrote label to %s\n", diskname);
- break;
-
- case 'd':
- case 'D':
- goto out;
- /* NOTREACHED */
-
- default:
- printf("unkown command: %s\n", line);
- }
-
- goto disklabel_loop;
- /* NOTREACHED */
-
- out:
- /*
- * Close disk. Marks disk `not alive' so that partition
- * information will be reloaded upon next open.
- */
- (void)close(dfd);
-}
-
-#define GETNUM(out, num) \
- printf((out), (num)); \
- bzero(line, sizeof(line)); \
- gets(line); \
- if (line[0]) \
- (num) = atoi(line);
-
-#define GETNUM2(out, num1, num2) \
- printf((out), (num1), (num2)); \
- bzero(line, sizeof(line)); \
- gets(line); \
- if (line[0]) \
- (num2) = atoi(line);
-
-#define GETSTR(out, str) \
- printf((out), (str)); \
- bzero(line, sizeof(line)); \
- gets(line); \
- if (line[0]) \
- strcpy((str), line);
-
-#define FLAGS(out, flag) \
- printf((out), lp->d_flags & (flag) ? 'y' : 'n'); \
- bzero(line, sizeof(line)); \
- gets(line); \
- if (line[0] == 'y' || line[0] == 'Y') \
- lp->d_flags |= (flag); \
- else \
- lp->d_flags &= ~(flag);
-
-void
-disklabel_edit(lp)
- struct disklabel *lp;
-{
- int i;
-
- printf("Select disk type. Valid types:\n");
- for (i = 0; i < DKMAXTYPES; i++)
- printf("%d %s\n", i, dktypenames[i]);
- printf("\n");
-
- GETNUM("Disk type (number)? [%d] ", lp->d_type);
- GETSTR("Disk model name? [%s] ", lp->d_typename);
- GETSTR("Disk pack name? [%s] ", lp->d_packname);
- FLAGS("Bad sectoring? [%c] ", D_BADSECT);
- FLAGS("Ecc? [%c] ", D_ECC);
- FLAGS("Removable? [%c] ", D_REMOVABLE);
-
- printf("\n");
-
- 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]);
-
- printf("\n");
-
- GETNUM("Bytes/sector? [%d] ", lp->d_secsize);
- GETNUM("Sectors/track? [%d] ", lp->d_nsectors);
- GETNUM("Tracks/cylinder? [%d] ", lp->d_ntracks);
- GETNUM("Sectors/cylinder? [%d] ", lp->d_secpercyl);
- GETNUM("Cylinders? [%d] ", lp->d_ncylinders);
-
- printf("
-Enter partition table. Note, sizes and offsets are in sectors.\n\n");
-
- lp->d_npartitions = MAXPARTITIONS;
- for (i = 0; i < lp->d_npartitions; ++i) {
- GETNUM2("%c partition: offset? [%d] ", ('a' + i),
- lp->d_partitions[i].p_offset);
- GETNUM(" size? [%d] ", lp->d_partitions[i].p_size);
- }
-
- /* Perform magic. */
- lp->d_magic = lp->d_magic2 = DISKMAGIC;
-
- /* Calculate disklabel checksum. */
- lp->d_checksum = 0;
- lp->d_checksum = dkcksum(lp);
-}
-
-void
-disklabel_show(lp)
- struct disklabel *lp;
-{
- int i, npart;
- struct partition *pp;
-
- /*
- * Check for valid disklabel.
- */
- if (lp->d_magic != DISKMAGIC || lp->d_magic2 != DISKMAGIC) {
- printf("No disklabel to show.\n");
- return;
- }
-
- if (lp->d_npartitions > MAXPARTITIONS || dkcksum(lp) != 0) {
- printf("Corrupted disklabel.\n");
- return;
- }
-
- printf("\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");
-}
-
-int
-disklabel_write(block, len, ofp)
- char *block;
- int len;
- struct open_file *ofp;
-{
- int error = 0;
- size_t xfersize;
-
- if (error = (*ofp->f_dev->dv_strategy)(ofp->f_devdata, F_WRITE,
- LABELSECTOR, len, block, &xfersize))
- printf("cannot write disklabel, errno = %d\n", error);
-
- return (error);
-}
-
-int
-opendisk(question, diskname, len, partition, fdp)
- char *question, *diskname;
- int len;
- char partition;
- int *fdp;
-{
- char fulldiskname[64], *filename;
- int i, error = 0;
-
- getdiskname:
- printf("%s ", question);
- bzero(diskname, len);
- bzero(fulldiskname, sizeof(fulldiskname));
- gets(diskname);
- if (diskname[0] == '\n' || diskname[0] == '\0')
- goto getdiskname;
-
- /*
- * devopen() is picky. Make sure it gets the sort of string it
- * wants.
- */
- bcopy(diskname, fulldiskname,
- len < sizeof(fulldiskname) ? len : sizeof(fulldiskname));
- for (i = 0; fulldiskname[i + 1] != '\0'; ++i)
- /* Nothing. */ ;
- if (fulldiskname[i] < '0' || fulldiskname[i] > '9') {
- printf("invalid disk name %s\n", diskname);
- goto getdiskname;
- }
- fulldiskname[++i] = partition; fulldiskname[++i] = ':';
-
- /*
- * We always open for writing.
- */
- if ((*fdp = open(fulldiskname, 1)) < 0) {
- printf("cannot open %s\n", diskname);
- return (1);
- }
-
- return (0);
-}
-
-/*
- * Copy a miniroot image from an NFS server or tape to the `b' partition
- * of the specified disk. Note, this assumes 512 byte sectors.
- */
-void
-miniroot()
-{
- int sfd, dfd, i, nblks;
- char diskname[64], minirootname[128];
- char block[DEV_BSIZE];
- char tapename[64];
- int fileno;
- struct stat st;
- size_t xfersize;
- struct open_file *disk_ofp;
- extern struct open_file files[];
-
- /* Error message printed by opendisk() */
- if (opendisk("Disk for miniroot?", diskname, sizeof(diskname),
- 'b', &dfd))
- return;
-
- disk_ofp = &files[dfd];
-
- getsource:
- printf("Source? (N)FS, (t)ape, (d)one > ");
- bzero(line, sizeof(line));
- gets(line);
- if (line[0] == '\0')
- goto getsource;
-
- switch (line[0]) {
- case 'n':
- case 'N':
- name_of_nfs_miniroot:
- printf("Name of miniroot file? ");
- bzero(line, sizeof(line));
- bzero(minirootname, sizeof(minirootname));
- gets(line);
- if (line[0] == '\0')
- goto name_of_nfs_miniroot;
- (void)strcat(minirootname, "le0a:");
- (void)strcat(minirootname, line);
- if ((sfd = open(minirootname, 0)) < 0) {
- printf("can't open %s\n", line);
- return;
- }
-
- /*
- * Find out how big the miniroot is. Make sure it's
- * an even number of blocks...
- */
- if (fstat(sfd, &st) < 0) {
- printf("can't stat %s\n", line);
- goto done;
- }
- if (st.st_size % DEV_BSIZE) {
- printf("Miniroot size must be an even multiple of %d\n",
- DEV_BSIZE);
- return;
- }
- nblks = (int)(st.st_size / sizeof(block));
-
- printf("Copying %d blocks from %s to %s...", nblks, line,
- diskname);
- break;
-
- case 't':
- case 'T':
- name_of_tape_miniroot:
- printf("Which tape device? ");
- bzero(line, sizeof(line));
- bzero(minirootname, sizeof(minirootname));
- bzero(tapename, sizeof(tapename));
- gets(line);
- if (line[0] == '\0')
- goto name_of_tape_miniroot;
- strcat(minirootname, line);
- strcat(tapename, line);
-
- printf("File number (first == 1)? ");
- bzero(line, sizeof(line));
- gets(line);
- fileno = a2int(line);
- if (fileno < 1 || fileno > 8) {
- printf("Invalid file number: %s\n", line);
- goto getsource;
- }
- for (i = 0; i < sizeof(minirootname); ++i) {
- if (minirootname[i] == '\0')
- break;
- }
- if (i == sizeof(minirootname) ||
- (sizeof(minirootname) - i) < 8) {
- printf("Invalid device name: %s\n", tapename);
- goto getsource;
- }
- minirootname[i++] = 'a' + (fileno - 1);
- minirootname[i++] = ':';
- strcat(minirootname, "XXX"); /* lameness in open() */
-
- printf("Copy how many %d byte blocks? ", DEV_BSIZE);
- bzero(line, sizeof(line));
- gets(line);
- nblks = a2int(line);
- if (nblks < 0) {
- printf("Invalid block count: %s\n", line);
- goto getsource;
- } else if (nblks == 0) {
- printf("Zero blocks? Ok, aborting.\n");
- return;
- }
-
- if ((sfd = open(minirootname, 0)) < 0) {
- printf("can't open %s file %c\n", tapename, fileno);
- return;
- }
-
- printf("Copying %s file %c to %s...", tapename, fileno,
- diskname);
- break;
-
- case 'd':
- case 'D':
- return;
-
- default:
- printf("Unknown source: %s\n", line);
- goto getsource;
- }
-
- /*
- * Copy loop...
- * This is fairly slow... if someone wants to speed it
- * up, they'll get no complaints from me.
- */
- for (i = 0; i < nblks; ++i) {
- if (read(sfd, block, sizeof(block)) != sizeof(block)) {
- printf("Short read, errno = %d\n", errno);
- goto done;
- }
- if ((*disk_ofp->f_dev->dv_strategy)(disk_ofp->f_devdata,
- F_WRITE, i, sizeof(block), block, &xfersize) ||
- xfersize != sizeof(block)) {
- printf("Bad write at block %d, errno = %d\n",
- i, errno);
- goto done;
- }
- }
- printf("done\n");
-
- printf("Successfully copied miniroot image.\n");
-
- done:
- close(sfd);
- close(dfd);
-}
-
-/*
- * Boot the kernel from the miniroot image into single-user.
- */
-void
-bootmini()
-{
- char diskname[64], bootname[64];
- int i;
-
- getdiskname:
- printf("Disk to boot from? ");
- bzero(diskname, sizeof(diskname));
- bzero(bootname, sizeof(bootname));
- gets(diskname);
- if (diskname[0] == '\n' || diskname[0] == '\0')
- goto getdiskname;
-
- /*
- * devopen() is picky. Make sure it gets the sort of string it
- * wants.
- */
- (void)strcat(bootname, diskname);
- for (i = 0; bootname[i + 1] != '\0'; ++i)
- /* Nothing. */ ;
- if (bootname[i] < '0' || bootname[i] > '9') {
- printf("invalid disk name %s\n", diskname);
- goto getdiskname;
- }
- bootname[++i] = 'b'; bootname[++i] = ':';
- (void)strcat(bootname, kernel_name);
-
- howto = RB_SINGLE; /* _Always_ */
-
- printf("booting: %s -s\n", bootname);
- exec(bootname, lowram, howto);
- printf("boot: %s\n", strerror(errno));
-}
-
-/*
- * Reset the system.
- */
-void
-resetsys()
-{
-
- call_req_reboot();
- printf("panic: can't reboot, halting\n");
- asm("stop #0x2700");
-}
-
-/*
- * XXX Should have a generic atoi for libkern/libsa.
- */
-int
-a2int(cp)
- char *cp;
-{
- int i = 0;
-
- if (*cp == '\0')
- return (-1);
-
- while (*cp != '\0')
- i = i * 10 + *cp++ - '0';
- return (i);
-}
projects / openbsd / commitdiff