arch/hppa/md.c

/*	$NetBSD: md.c,v 1.1 2014/07/26 19:30:45 dholland Exp $	*/

/*
 * Copyright 1997 Piermont Information Systems Inc.
 * All rights reserved.
 *
 * Based on code written by Philip A. Nelson for Piermont Information
 * Systems Inc.
 *
 * 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. The name of Piermont Information Systems Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``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 PIERMONT INFORMATION SYSTEMS INC. 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.
 */

/* md.c -- hppa machine specific routines */
/* This file is in close sync with pmax, vax, and x68k, sparc md.c */

#include <sys/types.h>
#include <sys/disklabel.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <stdio.h>
#include <curses.h>
#include <unistd.h>
#include <fcntl.h>
#include <util.h>

#include "defs.h"
#include "md.h"
#include "msg_defs.h"
#include "menu_defs.h"

#define HP700_PDC_LIMIT	((unsigned)2*1024*1024*1024)

void
md_init(void)
{
}

void
md_init_set_status(int flags)
{
	(void)flags;
}

int
md_get_info(void)
{
	struct disklabel disklabel;
	int fd;
	char dev_name[100];

	snprintf(dev_name, 100, "/dev/r%sc", diskdev);

	fd = open(dev_name, O_RDONLY, 0);
	if (fd < 0) {
		if (logfp)
			(void)fprintf(logfp, "Can't open %s\n", dev_name);
		endwin();
		fprintf(stderr, "Can't open %s\n", dev_name);
		exit(1);
	}
	if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
		if (logfp)
			(void)fprintf(logfp, "Can't read disklabel on %s.\n",
				dev_name);
		endwin();
		fprintf(stderr, "Can't read disklabel on %s.\n", dev_name);
		close(fd);
		exit(1);
	}
	close(fd);

	dlcyl = disklabel.d_ncylinders;
	dlhead = disklabel.d_ntracks;
	dlsec = disklabel.d_nsectors;
	sectorsize = disklabel.d_secsize;
	dlcylsize = disklabel.d_secpercyl;

	/*
	 * Compute whole disk size. Take max of (dlcyl*dlhead*dlsec)
	 * and secperunit,  just in case the disk is already labelled.
	 * (If our new label's RAW_PART size ends up smaller than the
	 * in-core RAW_PART size  value, updating the label will fail.)
	 */
	dlsize = dlcyl*dlhead*dlsec;
	if (disklabel.d_secperunit > dlsize)
		dlsize = disklabel.d_secperunit;

	/*
	 * hppa PDC can only address up to 2GB.
	 */
	root_limit = HP700_PDC_LIMIT / (unsigned)sectorsize;

	return 1;
}

/*
 * md back-end code for menu-driven BSD disklabel editor.
 */
int
md_make_bsd_partitions(void)
{
	return make_bsd_partitions();
}

/*
 * any additional partition validation
 */
int
md_check_partitions(void)
{
	/* Check the root partition is sane. */
	uint32_t limit = HP700_PDC_LIMIT / (unsigned)sectorsize;
	int part;

	for (part = PART_A; part < MAXPARTITIONS; part++) {
		if (strcmp(bsdlabel[part].pi_mount, "/") == 0) {
			uint32_t offset = bsdlabel[part].pi_offset;
			uint32_t size = bsdlabel[part].pi_size;

			if (offset > limit || offset + size > limit) {
				msg_display(MSG_md_pdclimit);
				process_menu(MENU_ok, NULL);
				return 0;
			}
		}
	}

	return 1;
}

/*
 * hook called before writing new disklabel.
 */
int
md_pre_disklabel(void)
{
	return 0;
}

/*
 * hook called after writing disklabel to new target disk.
 */
int
md_post_disklabel(void)
{
	return 0;
}

/*
 * hook called after upgrade() or install() has finished setting
 * up the target disk but immediately before the user is given the
 * ``disks are now set up'' message.
 */
int
md_post_newfs(void)
{
	int error;

	error = cp_to_target("/usr/mdec/boot", "/boot");
	if (error)
		return error;

	/* boot blocks ... */
	msg_display(MSG_dobootblks, diskdev);
	if (run_program(RUN_DISPLAY | RUN_NO_CLEAR,
	    "/usr/sbin/installboot -v /dev/r%sc /usr/mdec/xxboot",
	    diskdev))
		process_menu(MENU_ok,
			 deconst("Warning: disk is probably not bootable"));
	return 0;
}

int
md_post_extract(void)
{
	return 0;
}

void
md_cleanup_install(void)
{
#ifndef DEBUG
	enable_rc_conf();
#endif
}

int
md_pre_update(void)
{
	return 1;
}

/* Upgrade support */
int
md_update(void)
{
	md_post_newfs();
	return 1;
}

int
md_pre_mount()
{
	return 0;
}