ed45ba76c7
all the options have been processed that they are supported my the specific system. Add i386 MD options (console, password, speed and timeout) (Approved by christos and lukem)
317 lines
9.6 KiB
C
317 lines
9.6 KiB
C
/* $NetBSD: vax.c,v 1.9 2003/04/15 14:22:14 dsl Exp $ */
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/*-
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* Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Simon Burge.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn of Wasabi Systems.
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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 developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE 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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
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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 developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(__lint)
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__RCSID("$NetBSD: vax.c,v 1.9 2003/04/15 14:22:14 dsl Exp $");
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#endif /* !__lint */
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/param.h>
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#include <assert.h>
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#include <err.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "installboot.h"
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static int load_bootstrap(ib_params *, char **,
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uint32_t *, uint32_t *, size_t *);
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int
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vax_clearboot(ib_params *params)
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{
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struct vax_boot_block bb;
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ssize_t rv;
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assert(params != NULL);
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assert(params->fsfd != -1);
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assert(params->filesystem != NULL);
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assert(sizeof(struct vax_boot_block) == VAX_BOOT_BLOCK_BLOCKSIZE);
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rv = pread(params->fsfd, &bb, sizeof(bb), VAX_BOOT_BLOCK_OFFSET);
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if (rv == -1) {
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warn("Reading `%s'", params->filesystem);
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return (0);
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} else if (rv != sizeof(bb)) {
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warnx("Reading `%s': short read", params->filesystem);
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return (0);
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}
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if (bb.bb_id_offset * 2 != offsetof(struct vax_boot_block, bb_magic1)
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|| bb.bb_magic1 != VAX_BOOT_MAGIC1) {
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warnx(
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"Old boot block magic number invalid; boot block invalid");
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return (0);
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}
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bb.bb_id_offset = 1;
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bb.bb_mbone = 0;
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bb.bb_lbn_hi = 0;
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bb.bb_lbn_low = 0;
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if (params->flags & IB_SUNSUM) {
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uint16_t sum;
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sum = compute_sunsum((uint16_t *)&bb);
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if (! set_sunsum(params, (uint16_t *)&bb, sum))
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return (0);
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}
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if (params->flags & IB_VERBOSE)
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printf("%slearing boot block\n",
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(params->flags & IB_NOWRITE) ? "Not c" : "C");
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if (params->flags & IB_NOWRITE)
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return (1);
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rv = pwrite(params->fsfd, &bb, sizeof(bb), VAX_BOOT_BLOCK_OFFSET);
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if (rv == -1) {
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warn("Writing `%s'", params->filesystem);
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return (0);
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} else if (rv != sizeof(bb)) {
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warnx("Writing `%s': short write", params->filesystem);
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return (0);
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}
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return (1);
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}
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int
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vax_setboot(ib_params *params)
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{
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struct stat bootstrapsb;
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struct vax_boot_block bb;
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uint32_t startblock;
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int retval;
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char *bootstrapbuf;
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size_t bootstrapsize;
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uint32_t bootstrapload, bootstrapexec;
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ssize_t rv;
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assert(params != NULL);
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assert(params->fsfd != -1);
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assert(params->filesystem != NULL);
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assert(params->s1fd != -1);
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assert(params->stage1 != NULL);
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assert(sizeof(struct vax_boot_block) == VAX_BOOT_BLOCK_BLOCKSIZE);
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retval = 0;
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bootstrapbuf = NULL;
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if (fstat(params->s1fd, &bootstrapsb) == -1) {
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warn("Examining `%s'", params->stage1);
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goto done;
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}
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if (!S_ISREG(bootstrapsb.st_mode)) {
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warnx("`%s' must be a regular file", params->stage1);
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goto done;
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}
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if (! load_bootstrap(params, &bootstrapbuf, &bootstrapload,
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&bootstrapexec, &bootstrapsize))
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goto done;
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rv = pread(params->fsfd, &bb, sizeof(bb), VAX_BOOT_BLOCK_OFFSET);
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if (rv == -1) {
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warn("Reading `%s'", params->filesystem);
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goto done;
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} else if (rv != sizeof(bb)) {
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warnx("Reading `%s': short read", params->filesystem);
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goto done;
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}
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/* fill in the updated boot block fields */
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if (params->flags & IB_APPEND) {
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struct stat filesyssb;
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if (fstat(params->fsfd, &filesyssb) == -1) {
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warn("Examining `%s'", params->filesystem);
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goto done;
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}
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if (!S_ISREG(filesyssb.st_mode)) {
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warnx(
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"`%s' must be a regular file to append a bootstrap",
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params->filesystem);
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goto done;
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}
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startblock = howmany(filesyssb.st_size,
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VAX_BOOT_BLOCK_BLOCKSIZE);
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} else if (params->flags & IB_STAGE1START) {
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startblock = params->s1start;
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} else {
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startblock = VAX_BOOT_BLOCK_OFFSET / VAX_BOOT_BLOCK_BLOCKSIZE
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+ 1;
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}
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bb.bb_id_offset = offsetof(struct vax_boot_block, bb_magic1) / 2;
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bb.bb_mbone = 1;
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bb.bb_lbn_hi = htole16((uint16_t) (startblock >> 16));
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bb.bb_lbn_low = htole16((uint16_t) (startblock >> 0));
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/*
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* Now the identification block
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*/
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bb.bb_magic1 = VAX_BOOT_MAGIC1;
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bb.bb_mbz1 = 0;
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bb.bb_sum1 = ~(bb.bb_magic1 + bb.bb_mbz1 + bb.bb_pad1);
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bb.bb_mbz2 = 0;
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bb.bb_volinfo = VAX_BOOT_VOLINFO_NONE;
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bb.bb_pad2a = 0;
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bb.bb_pad2b = 0;
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bb.bb_size = htole32(bootstrapsize / VAX_BOOT_BLOCK_BLOCKSIZE);
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bb.bb_load = htole32(VAX_BOOT_LOAD);
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bb.bb_entry = htole32(VAX_BOOT_ENTRY);
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bb.bb_sum3 = htole32(le32toh(bb.bb_size) + le32toh(bb.bb_load) \
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+ le32toh(bb.bb_entry));
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if (params->flags & IB_SUNSUM) {
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uint16_t sum;
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sum = compute_sunsum((uint16_t *)&bb);
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if (! set_sunsum(params, (uint16_t *)&bb, sum))
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goto done;
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}
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if (params->flags & IB_VERBOSE) {
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printf("Bootstrap start sector: %u\n", startblock);
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printf("Bootstrap sector count: %u\n", le32toh(bb.bb_size));
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printf("%sriting bootstrap\n",
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(params->flags & IB_NOWRITE) ? "Not w" : "W");
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}
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if (params->flags & IB_NOWRITE) {
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retval = 1;
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goto done;
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}
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rv = pwrite(params->fsfd, bootstrapbuf, bootstrapsize,
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startblock * VAX_BOOT_BLOCK_BLOCKSIZE);
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if (rv == -1) {
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warn("Writing `%s'", params->filesystem);
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goto done;
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} else if (rv != bootstrapsize) {
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warnx("Writing `%s': short write", params->filesystem);
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goto done;
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}
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if (params->flags & IB_VERBOSE)
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printf("Writing boot block\n");
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rv = pwrite(params->fsfd, &bb, sizeof(bb), VAX_BOOT_BLOCK_OFFSET);
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if (rv == -1) {
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warn("Writing `%s'", params->filesystem);
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goto done;
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} else if (rv != sizeof(bb)) {
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warnx("Writing `%s': short write", params->filesystem);
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goto done;
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} else {
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retval = 1;
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}
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done:
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if (bootstrapbuf)
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free(bootstrapbuf);
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return (retval);
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}
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static int
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load_bootstrap(ib_params *params, char **data,
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uint32_t *loadaddr, uint32_t *execaddr, size_t *len)
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{
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ssize_t cc;
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size_t buflen;
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buflen = 512 * (VAX_BOOT_SIZE + 1);
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*data = malloc(buflen);
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if (*data == NULL) {
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warn("Allocating %lu bytes", (unsigned long) buflen);
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return (0);
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}
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cc = pread(params->s1fd, *data, buflen, 0);
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if (cc <= 0) {
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warn("Reading `%s'", params->stage1);
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return (0);
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}
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if (cc > 512 * VAX_BOOT_SIZE) {
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warnx("`%s': too large", params->stage1);
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return (0);
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}
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*len = roundup(cc, VAX_BOOT_BLOCK_BLOCKSIZE);
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*loadaddr = VAX_BOOT_LOAD;
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*execaddr = VAX_BOOT_ENTRY;
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return (1);
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}
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