Add sparc module.
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pk
parent
959cdaa6ab
commit
efad6f6e12
@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.17 2002/04/26 16:23:15 lukem Exp $
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# $NetBSD: Makefile,v 1.18 2002/05/06 16:24:45 pk Exp $
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#
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.include <bsd.own.mk>
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@ -6,7 +6,7 @@
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PROG= installboot
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SRCS= installboot.c sum.c machines.c fstypes.c \
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ffs.c ffs_bswap.c \
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alpha.c pmax.c sparc64.c sun68k.c vax.c
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alpha.c pmax.c sparc.c sparc64.c sun68k.c vax.c
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MAN= installboot.8
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WARNS?= 3
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287
usr.sbin/installboot/arch/sparc.c
Normal file
287
usr.sbin/installboot/arch/sparc.c
Normal file
@ -0,0 +1,287 @@
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/* $NetBSD: sparc.c,v 1.1 2002/05/06 16:24:46 pk Exp $ */
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/*-
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* Copyright (c) 1998, 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 Matt Fredette, Paul Kranenburg, and Luke Mewburn.
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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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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(__lint)
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__RCSID("$NetBSD: sparc.c,v 1.1 2002/05/06 16:24:46 pk 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 <sys/stat.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 <string.h>
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#include <unistd.h>
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#if HAVE_CONFIG_H
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#include "../../sys/sys/bootblock.h"
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#else
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#include <sys/bootblock.h>
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#endif
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#include "installboot.h"
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int
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sparc_clearboot(ib_params *params)
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{
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char bb[SPARC_BOOT_BLOCK_MAX_SIZE];
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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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if (params->flags & IB_STARTBLOCK) {
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warnx("Can't use `-b bno' with `-c'");
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return (0);
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}
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/* first check that it _could_ exist here */
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rv = pread(params->fsfd, &bb, sizeof(bb), SPARC_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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/* now clear it out to nothing */
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memset(&bb, 0, sizeof(bb));
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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), SPARC_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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sparc_setboot(ib_params *params)
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{
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struct stat bootstrapsb;
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char bb[SPARC_BOOT_BLOCK_MAX_SIZE];
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uint32_t startblock;
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int retval;
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ssize_t rv;
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size_t bbi;
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struct sparc_bbinfo *bbinfop; /* bbinfo in prototype image */
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uint32_t maxblk, nblk, blk_i;
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ib_block *blocks = NULL;
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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->fstype != NULL);
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assert(params->s1fd != -1);
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assert(params->stage1 != NULL);
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assert(SPARC_BBINFO_MAGICSIZE == 32);
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if (params->stage2 == NULL) {
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warnx("You must provide the name of the secondary bootstrap");
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return (0);
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}
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retval = 0;
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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 (bootstrapsb.st_size > sizeof(bb)) {
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warnx("`%s' cannot be larger than %lu bytes",
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params->stage1, (unsigned long)sizeof(bb));
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goto done;
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}
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/*
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* Read 1st stage boot program
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* Leave room for a 32-byte a.out header.
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*/
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memset(&bb, 0, sizeof(bb));
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rv = read(params->s1fd, bb + 32, sizeof(bb) - 32);
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if (rv == -1) {
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warn("Reading `%s'", params->stage1);
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goto done;
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}
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/*
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* Quick sanity check that the bootstrap given
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* is *not* an ELF executable.
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*/
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if (memcmp(bb + 32 + 1, "ELF", strlen("ELF")) == 0) {
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warnx("`%s' is an ELF executable; need raw binary",
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params->stage1);
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goto done;
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}
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/* Look for the bbinfo structure. */
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for (bbi = 0; bbi < sizeof(bb); bbi += sizeof(uint32_t)) {
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bbinfop = (void *) (bb + bbi);
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if (memcmp(bbinfop->bbi_magic, SPARC_BBINFO_MAGIC,
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SPARC_BBINFO_MAGICSIZE) == 0)
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break;
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}
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if (bbi >= sizeof(bb)) {
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warnx("`%s' does not have a bbinfo structure\n",
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params->stage1);
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goto done;
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}
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maxblk = be32toh(bbinfop->bbi_block_count);
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if (maxblk == 0 || maxblk > (sizeof(bb) / sizeof(uint32_t))) {
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warnx("bbinfo structure in `%s' has preposterous size `%u'",
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params->stage1, maxblk);
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goto done;
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}
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/* Allocate space for our block list. */
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blocks = malloc(sizeof(*blocks) * maxblk);
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if (blocks == NULL) {
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warn("Allocating %lu bytes",
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(unsigned long) sizeof(*blocks) * maxblk);
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goto done;
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}
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/* Make sure the (probably new) secondary bootstrap is on disk. */
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sync(); sleep(1); sync();
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/* Collect the blocks for the secondary bootstrap. */
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nblk = maxblk;
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if (! params->fstype->findstage2(params, &nblk, blocks))
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goto done;
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if (nblk == 0) {
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warnx("Secondary bootstrap `%s' is empty",
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params->stage2);
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goto done;
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}
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/* Save those blocks in the primary bootstrap. */
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bbinfop->bbi_block_count = htobe32(nblk);
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bbinfop->bbi_block_size = htobe32(blocks[0].blocksize);
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for (blk_i = 0; blk_i < nblk; blk_i++) {
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bbinfop->bbi_block_table[blk_i] =
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htobe32(blocks[blk_i].block);
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if (blocks[blk_i].blocksize < blocks[0].blocksize &&
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blk_i + 1 != nblk) {
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warnx("Secondary bootstrap `%s' blocks do not have " \
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"a uniform size\n", params->stage2);
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goto done;
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}
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}
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/*
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* sun4c/sun4m PROMs require an a.out(5) format header.
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* Old-style sun4 PROMs do not expect a header at all.
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* To deal with this, we construct a header that is also executable
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* code containing a forward branch that gets us past the 32-byte
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* header where the actual code begins. In assembly:
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* .word MAGIC ! a NOP
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* ba,a start !
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* .skip 24 ! pad
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* start:
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*/
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#define SUN_MAGIC 0x01030107
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#define SUN4_BASTART 0x30800007 /* i.e.: ba,a `start' */
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*((uint32_t *)bb) = htobe32(SUN_MAGIC);
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*((uint32_t *)bb + 1) = htobe32(SUN4_BASTART);
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if (params->flags & IB_STARTBLOCK)
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startblock = params->startblock;
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else
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startblock =
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SPARC_BOOT_BLOCK_OFFSET / SPARC_BOOT_BLOCK_BLOCKSIZE;
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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 byte count: %u\n", (unsigned)rv);
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printf("Bootstrap block table: %u entries avail, %u used:",
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maxblk, nblk);
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for (blk_i = 0; blk_i < nblk; blk_i++)
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printf(" %u", blocks[blk_i].block);
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printf("\n%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, &bb, sizeof(bb),
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startblock * SPARC_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 != 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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/* Sync filesystems (to clean in-memory superblock?) */
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sync();
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retval = 1;
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}
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done:
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if (blocks != NULL)
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free (blocks);
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return (retval);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: installboot.h,v 1.7 2002/04/30 14:45:12 lukem Exp $ */
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/* $NetBSD: installboot.h,v 1.8 2002/05/06 16:24:46 pk Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -110,6 +110,8 @@ int alpha_clearboot(ib_params *);
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int pmax_parseopt(ib_params *, const char *);
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int pmax_setboot(ib_params *);
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int pmax_clearboot(ib_params *);
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int sparc_setboot(ib_params *);
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int sparc_clearboot(ib_params *);
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int sparc64_setboot(ib_params *);
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int sparc64_clearboot(ib_params *);
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int sun68k_setboot(ib_params *);
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@ -1,4 +1,4 @@
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/* $NetBSD: machines.c,v 1.7 2002/04/22 17:17:36 lukem Exp $ */
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/* $NetBSD: machines.c,v 1.8 2002/05/06 16:24:46 pk Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -44,6 +44,7 @@ struct ib_mach machines[] = {
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{ "i386", no_parseopt, no_setboot, no_clearboot },
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{ "pmax", pmax_parseopt, pmax_setboot, pmax_clearboot },
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{ "shark", no_parseopt, no_setboot, no_clearboot },
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{ "sparc", no_parseopt, sparc_setboot, sparc_clearboot },
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{ "sparc64", no_parseopt, sparc64_setboot, sparc64_clearboot },
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{ "sun2", no_parseopt, sun68k_setboot, sun68k_clearboot },
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{ "vax", vax_parseopt, vax_setboot, vax_clearboot },
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