486 lines
14 KiB
C
486 lines
14 KiB
C
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/* $NetBSD: md.c,v 1.1 1997/11/08 02:17:17 mark Exp $ */
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/*
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* Copyright 1997 Piermont Information Systems Inc.
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* All rights reserved.
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*
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* Based on code written by Philip A. Nelson for Piermont Information
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* Systems Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software develooped for the NetBSD Project by
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* Piermont Information Systems Inc.
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* 4. The name of Piermont Information Systems Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* md.c -- arm32 machine specific routines */
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#include <stdio.h>
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#include <curses.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/disklabel.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#include "defs.h"
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#include "md.h"
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#include "msg_defs.h"
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#include "menu_defs.h"
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static u_int
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filecore_checksum(u_char *bootblock);
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/*
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* symbolic names for disk partitions
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*/
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#define PART_ROOT A
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#define PART_RAW C
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#define PART_USR E
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/*
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* static u_int filecore_checksum(u_char *bootblock)
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*
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* Calculates the filecore boot block checksum. This is used to validate
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* a filecore boot block on the disc. If a boot block is validated then
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* it is used to locate the partition table. If the boot block is not
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* validated, it is assumed that the whole disc is NetBSD.
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*/
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/*
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* This can be coded better using add with carry but as it is used rarely
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* there is not much point writing it in assembly.
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*/
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static u_int
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filecore_checksum(bootblock)
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u_char *bootblock;
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{
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u_int sum;
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u_int loop;
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sum = 0;
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for (loop = 0; loop < 512; ++loop)
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sum += bootblock[loop];
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if (sum == 0) return(0xffff);
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sum = 0;
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for (loop = 0; loop < 511; ++loop) {
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sum += bootblock[loop];
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if (sum > 255)
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sum -= 255;
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}
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return(sum);
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}
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int md_get_info (void)
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{ struct disklabel disklabel;
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int fd;
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char devname[100];
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static char bb[DEV_BSIZE];
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struct filecore_bootblock *fcbb = (struct filecore_bootblock *)bb;
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int offset = 0;
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if (strncmp(disk->name, "wd", 2) == 0)
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disktype = "ST506";
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else
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disktype = "SCSI";
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snprintf (devname, 100, "/dev/r%sc", diskdev);
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fd = open (devname, O_RDONLY, 0);
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if (fd < 0) {
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endwin();
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fprintf (stderr, "Can't open %s\n", devname);
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exit(1);
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}
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if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
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endwin();
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fprintf (stderr, "Can't read disklabel on %s.\n", devname);
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close(fd);
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exit(1);
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}
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if (lseek(fd, (off_t)FILECORE_BOOT_SECTOR * DEV_BSIZE, SEEK_SET) < 0 ||
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read(fd, bb, sizeof(bb)) < sizeof(bb)) {
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endwin();
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fprintf(stderr, msg_string(MSG_badreadbb));
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close(fd);
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exit(1);
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}
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/* Check if table is valid. */
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if (filecore_checksum(bb) == fcbb->checksum) {
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/*
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* Check for NetBSD/arm32 (RiscBSD) partition marker.
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* If found the NetBSD disklabel location is easy.
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*/
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offset = (fcbb->partition_cyl_low + (fcbb->partition_cyl_high << 8))
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* fcbb->heads * fcbb->secspertrack;
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if (fcbb->partition_type == PARTITION_FORMAT_RISCBSD)
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;
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else if (fcbb->partition_type == PARTITION_FORMAT_RISCIX) {
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/*
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* Ok we need to read the RISCiX partition table and
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* search for a partition named RiscBSD, NetBSD or
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* Empty:
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*/
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struct riscix_partition_table *riscix_part = (struct riscix_partition_table *)bb;
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int loop;
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if (lseek(fd, (off_t)offset * DEV_BSIZE, SEEK_SET) < 0 ||
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read(fd, bb, sizeof(bb)) < sizeof(bb)) {
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endwin();
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fprintf(stderr, msg_string(MSG_badreadriscix));
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close(fd);
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exit(1);
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}
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/* Break out as soon as we find a suitable partition */
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for (loop = 0; loop < NRISCIX_PARTITIONS; ++loop) {
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if (strcmp(riscix_part->partitions[loop].rp_name, "RiscBSD") == 0
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|| strcmp(riscix_part->partitions[loop].rp_name, "NetBSD") == 0
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|| strcmp(riscix_part->partitions[loop].rp_name, "Empty:") == 0) {
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offset = riscix_part->partitions[loop].rp_start;
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break;
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}
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}
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if (loop == NRISCIX_PARTITIONS) {
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/*
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* Valid filecore boot block, RISCiX partition table
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* but no NetBSD partition. We should leave this disc alone.
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*/
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endwin();
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fprintf(stderr, msg_string(MSG_notnetbsdriscix));
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close(fd);
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exit(1);
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}
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} else {
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/*
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* Valid filecore boot block and no non-ADFS partition.
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* This means that the whole disc is allocated for ADFS
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* so do not trash ! If the user really wants to put a
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* NetBSD disklabel on the disc then they should remove
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* the filecore boot block first with dd.
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*/
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endwin();
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fprintf(stderr, msg_string(MSG_notnetbsd));
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close(fd);
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exit(1);
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}
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}
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close(fd);
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dlcyl = disklabel.d_ncylinders;
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dlhead = disklabel.d_ntracks;
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dlsec = disklabel.d_nsectors;
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sectorsize = disklabel.d_secsize;
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dlcylsize = disklabel.d_secpercyl;
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/*
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* Compute whole disk size. Take max of (dlcyl*dlhead*dlsec)
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* and secperunit, just in case the disk is already labelled.
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* (If our new label's RAW_PART size ends up smaller than the
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* in-core RAW_PART size value, updating the label will fail.)
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*/
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dlsize = dlcyl*dlhead*dlsec;
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if (disklabel.d_secperunit > dlsize)
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dlsize = disklabel.d_secperunit;
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/* Compute minimum NetBSD partition sizes (in sectors). */
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minfsdmb = (80 + 4*rammb) * (MEG / sectorsize);
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ptstart = offset;
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return 1;
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}
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void md_pre_disklabel (void)
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{
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}
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void md_post_disklabel (void)
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{
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}
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void md_post_newfs (void)
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{
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#if 0
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/* XXX boot blocks ... */
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printf (msg_string(MSG_dobootblks), diskdev);
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run_prog_or_continue("/sbin/disklabel -B %s /dev/r%sc",
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"-b /usr/mdec/rzboot -s /usr/mdec/bootrz", diskdev);
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#endif
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}
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void md_copy_filesystem (void)
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{
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/* Copy the instbin(s) to the disk */
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printf ("%s", msg_string(MSG_dotar));
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run_prog ("tar --one-file-system -cf - / |"
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"(cd /mnt ; tar --unlink -xpf - )");
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run_prog ("/bin/cp /tmp/.hdprofile /mnt/.profile");
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}
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void md_make_bsd_partitions (void)
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{
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FILE *f;
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int i, part;
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int remain;
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char isize[20];
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/*
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* Initialize global variables that track space used on this disk.
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* Standard 4.3BSD 8-partition labels always cover whole disk.
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*/
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ptsize = dlsize - ptstart;
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fsdsize = dlsize; /* actually means `whole disk' */
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fsptsize = dlsize - ptstart; /* netbsd partition -- same as above */
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fsdmb = fsdsize / MEG;
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/* Ask for layout type -- standard or special */
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msg_display (MSG_layout,
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(1.0*fsptsize*sectorsize)/MEG,
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(1.0*minfsdmb*sectorsize)/MEG,
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(1.0*minfsdmb*sectorsize)/MEG+rammb+XNEEDMB);
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process_menu (MENU_layout);
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if (layoutkind == 3) {
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ask_sizemult();
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} else {
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sizemult = MEG / sectorsize;
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multname = msg_string(MSG_megname);
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}
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/* Build standard partitions */
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/* Partitions C is predefined (whole disk). */
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bsdlabel[C][D_FSTYPE] = T_UNUSED;
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bsdlabel[C][D_OFFSET] = 0;
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bsdlabel[C][D_SIZE] = dlsize;
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/* Standard fstypes */
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bsdlabel[A][D_FSTYPE] = T_42BSD;
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bsdlabel[B][D_FSTYPE] = T_SWAP;
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/* Conventionally, C is whole disk and D in the non NetBSD bit */
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bsdlabel[D][D_FSTYPE] = T_UNUSED;
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bsdlabel[D][D_OFFSET] = 0;
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bsdlabel[D][D_SIZE] = ptstart;
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bsdlabel[E][D_FSTYPE] = T_UNUSED; /* fill out below */
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bsdlabel[F][D_FSTYPE] = T_UNUSED;
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bsdlabel[G][D_FSTYPE] = T_UNUSED;
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bsdlabel[H][D_FSTYPE] = T_UNUSED;
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switch (layoutkind) {
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case 1: /* standard: a root, b swap, c "unused", e /usr */
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case 2: /* standard X: a root, b swap (big), c "unused", e /usr */
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partstart = ptstart;
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/* Root */
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#if 0
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i = NUMSEC(20+2*rammb, MEG/sectorsize, dlcylsize) + partstart;
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/* i386 md code uses: */
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partsize = NUMSEC (i/(MEG/sectorsize)+1, MEG/sectorsize,
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dlcylsize) - partstart;
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#else
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/* By convention, NetBSD/arm32 uses a 32Mbyte root */
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partsize= NUMSEC(32, MEG/sectorsize, dlcylsize);
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#endif
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bsdlabel[A][D_OFFSET] = partstart;
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bsdlabel[A][D_SIZE] = partsize;
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bsdlabel[A][D_BSIZE] = 8192;
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bsdlabel[A][D_FSIZE] = 1024;
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strcpy (fsmount[A], "/");
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partstart += partsize;
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/* swap */
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i = NUMSEC(layoutkind * 2 * (rammb < 32 ? 32 : rammb),
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MEG/sectorsize, dlcylsize) + partstart;
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partsize = NUMSEC (i/(MEG/sectorsize)+1, MEG/sectorsize,
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dlcylsize) - partstart - swapadj;
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bsdlabel[B][D_OFFSET] = partstart;
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bsdlabel[B][D_SIZE] = partsize;
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partstart += partsize;
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/* /usr */
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partsize = fsdsize - partstart;
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bsdlabel[PART_USR][D_FSTYPE] = T_42BSD;
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bsdlabel[PART_USR][D_OFFSET] = partstart;
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bsdlabel[PART_USR][D_SIZE] = partsize;
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bsdlabel[PART_USR][D_BSIZE] = 8192;
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bsdlabel[PART_USR][D_FSIZE] = 1024;
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strcpy (fsmount[PART_USR], "/usr");
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/* Verify Partitions. */
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process_menu (MENU_fspartok);
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break;
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case 3: /* custom: ask user for all sizes */
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ask_sizemult();
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/* root */
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partstart = ptstart;
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remain = fsdsize - partstart;
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#if 0
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i = NUMSEC(20+2*rammb, MEG/sectorsize, dlcylsize) + partstart;
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#endif
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partsize = NUMSEC (32, MEG/sectorsize,
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dlcylsize);
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snprintf (isize, 20, "%d", partsize/sizemult);
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msg_prompt (MSG_askfsroot, isize, isize, 20,
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remain/sizemult, multname);
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partsize = NUMSEC(atoi(isize),sizemult, dlcylsize);
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bsdlabel[A][D_OFFSET] = partstart;
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bsdlabel[A][D_SIZE] = partsize;
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bsdlabel[A][D_BSIZE] = 8192;
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bsdlabel[A][D_FSIZE] = 1024;
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strcpy (fsmount[A], "/");
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partstart += partsize;
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/* swap */
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remain = fsdsize - partstart;
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i = NUMSEC(2 * (rammb < 32 ? 32 : rammb),
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MEG/sectorsize, dlcylsize) + partstart;
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partsize = NUMSEC (i/(MEG/sectorsize)+1, MEG/sectorsize,
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dlcylsize) - partstart - swapadj;
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snprintf (isize, 20, "%d", partsize/sizemult);
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msg_prompt_add (MSG_askfsswap, isize, isize, 20,
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remain/sizemult, multname);
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partsize = NUMSEC(atoi(isize),sizemult, dlcylsize) - swapadj;
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bsdlabel[B][D_OFFSET] = partstart;
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bsdlabel[B][D_SIZE] = partsize;
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partstart += partsize;
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/* /usr */
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remain = fsdsize - partstart;
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partsize = fsdsize - partstart;
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snprintf (isize, 20, "%d", partsize/sizemult);
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msg_prompt_add (MSG_askfsusr, isize, isize, 20,
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remain/sizemult, multname);
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partsize = NUMSEC(atoi(isize),sizemult, dlcylsize);
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if (remain - partsize < sizemult)
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partsize = remain;
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bsdlabel[PART_USR][D_FSTYPE] = T_42BSD;
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bsdlabel[PART_USR][D_OFFSET] = partstart;
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bsdlabel[PART_USR][D_SIZE] = partsize;
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bsdlabel[PART_USR][D_BSIZE] = 8192;
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bsdlabel[PART_USR][D_FSIZE] = 1024;
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strcpy (fsmount[PART_USR], "/usr");
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partstart += partsize;
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/* Others ... */
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remain = fsdsize - partstart;
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part = F;
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if (remain > 0)
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msg_display (MSG_otherparts);
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while (remain > 0 && part <= H) {
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partsize = fsdsize - partstart;
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snprintf (isize, 20, "%d", partsize/sizemult);
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||
|
msg_prompt_add (MSG_askfspart, isize, isize, 20,
|
||
|
diskdev, partname[part],
|
||
|
remain/sizemult, multname);
|
||
|
partsize = NUMSEC(atoi(isize),sizemult, dlcylsize);
|
||
|
if (remain - partsize < sizemult)
|
||
|
partsize = remain;
|
||
|
bsdlabel[part][D_FSTYPE] = T_42BSD;
|
||
|
bsdlabel[part][D_OFFSET] = partstart;
|
||
|
bsdlabel[part][D_SIZE] = partsize;
|
||
|
bsdlabel[part][D_BSIZE] = 8192;
|
||
|
bsdlabel[part][D_FSIZE] = 1024;
|
||
|
msg_prompt_add (MSG_mountpoint, NULL,
|
||
|
fsmount[part], 20);
|
||
|
partstart += partsize;
|
||
|
remain = fsdsize - partstart;
|
||
|
part++;
|
||
|
}
|
||
|
|
||
|
|
||
|
/* Verify Partitions. */
|
||
|
process_menu(MENU_fspartok);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
/* Disk name */
|
||
|
msg_prompt (MSG_packname, "mydisk", bsddiskname, 80);
|
||
|
|
||
|
/* Create the disktab.preinstall */
|
||
|
run_prog ("cp /etc/disktab.preinstall /etc/disktab");
|
||
|
#ifdef DEBUG
|
||
|
f = fopen ("/tmp/disktab", "a");
|
||
|
#else
|
||
|
f = fopen ("/etc/disktab", "a");
|
||
|
#endif
|
||
|
if (f == NULL) {
|
||
|
endwin();
|
||
|
(void) fprintf (stderr, "Could not open /etc/disktab");
|
||
|
exit (1);
|
||
|
}
|
||
|
(void)fprintf (f, "%s|NetBSD installation generated:\\\n", bsddiskname);
|
||
|
(void)fprintf (f, "\t:dt=%s:ty=winchester:\\\n", disktype);
|
||
|
(void)fprintf (f, "\t:nc#%d:nt#%d:ns#%d:\\\n", dlcyl, dlhead, dlsec);
|
||
|
(void)fprintf (f, "\t:sc#%d:su#%d:\\\n", dlhead*dlsec, dlsize);
|
||
|
(void)fprintf (f, "\t:se#%d:%s\\\n", sectorsize, doessf);
|
||
|
for (i=0; i<8; i++) {
|
||
|
(void)fprintf (f, "\t:p%c#%d:o%c#%d:t%c=%s:",
|
||
|
'a'+i, bsdlabel[i][D_SIZE],
|
||
|
'a'+i, bsdlabel[i][D_OFFSET],
|
||
|
'a'+i, fstype[bsdlabel[i][D_FSTYPE]]);
|
||
|
if (bsdlabel[i][D_FSTYPE] == T_42BSD)
|
||
|
(void)fprintf (f, "b%c#%d:f%c#%d",
|
||
|
'a'+i, bsdlabel[i][D_BSIZE],
|
||
|
'a'+i, bsdlabel[i][D_FSIZE]);
|
||
|
if (i < 7)
|
||
|
(void)fprintf (f, "\\\n");
|
||
|
else
|
||
|
(void)fprintf (f, "\n");
|
||
|
}
|
||
|
fclose (f);
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
/* Upgrade support */
|
||
|
int
|
||
|
md_update(void)
|
||
|
{
|
||
|
endwin();
|
||
|
md_copy_filesystem ();
|
||
|
md_post_newfs();
|
||
|
puts (CL);
|
||
|
wrefresh(stdscr);
|
||
|
return 1;
|
||
|
}
|