/* $NetBSD: sparc64.c,v 1.19 2019/05/07 04:35:31 thorpej Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn of Wasabi Systems.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Copyright (c) 2002 Matthew R. Green
* 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.
*
* 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.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if !defined(__lint)
__RCSID("$NetBSD: sparc64.c,v 1.19 2019/05/07 04:35:31 thorpej Exp $");
#endif /* !__lint */
#include <sys/param.h>
#include <assert.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "installboot.h"
static int sparc64_clearboot(ib_params *);
static int sparc64_setboot(ib_params *);
struct ib_mach ib_mach_sparc64 = {
.name = "sparc64",
.setboot = sparc64_setboot,
.clearboot = sparc64_clearboot,
.editboot = no_editboot,
};
static int
sparc64_clearboot(ib_params *params)
{
char bb[SPARC64_BOOT_BLOCK_MAX_SIZE];
ssize_t rv;
assert(params != NULL);
assert(params->fsfd != -1);
assert(params->filesystem != NULL);
if (params->flags & (IB_STAGE1START | IB_STAGE2START)) {
warnx("`-b bno' and `-B bno' are not supported for %s",
params->machine->name);
return (0);
}
/* first check that it _could_ exist here */
rv = pread(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET);
if (rv == -1) {
warn("Reading `%s'", params->filesystem);
return (0);
} else if (rv != sizeof(bb)) {
warnx("Reading `%s': short read", params->filesystem);
return (0);
}
/* now clear it out to nothing */
memset(&bb, 0, sizeof(bb));
if (params->flags & IB_VERBOSE)
printf("%slearing boot block\n",
(params->flags & IB_NOWRITE) ? "Not c" : "C");
if (params->flags & IB_NOWRITE)
return (1);
rv = pwrite(params->fsfd, &bb, sizeof(bb), SPARC64_BOOT_BLOCK_OFFSET);
if (rv == -1) {
warn("Writing `%s'", params->filesystem);
return (0);
} else if (rv != sizeof(bb)) {
warnx("Writing `%s': short write", params->filesystem);
return (0);
}
return (1);
}
static int
sparc64_setboot(ib_params *params)
{
char bb[SPARC64_BOOT_BLOCK_MAX_SIZE];
int retval;
ssize_t rv;
assert(params != NULL);
assert(params->fsfd != -1);
assert(params->filesystem != NULL);
assert(params->s1fd != -1);
assert(params->stage1 != NULL);
retval = 0;
if (params->flags & (IB_STAGE1START | IB_STAGE2START)) {
warnx("`-b bno' and `-B bno' are not supported for %s",
params->machine->name);
goto done;
}
memset(&bb, 0, SPARC64_BOOT_BLOCK_MAX_SIZE);
rv = read(params->s1fd, &bb, sizeof(bb));
if (rv == -1) {
warn("Reading `%s'", params->stage1);
goto done;
}
if (params->flags & IB_VERBOSE) {
printf("Bootstrap start sector: %u\n",
SPARC64_BOOT_BLOCK_OFFSET / SPARC64_BOOT_BLOCK_BLOCKSIZE);
printf("Bootstrap byte count: %u\n", (unsigned)rv);
printf("%sriting bootstrap\n",
(params->flags & IB_NOWRITE) ? "Not w" : "W");
}
if (params->flags & IB_NOWRITE) {
retval = 1;
goto done;
}
rv = pwrite(params->fsfd, &bb, SPARC64_BOOT_BLOCK_MAX_SIZE,
SPARC64_BOOT_BLOCK_OFFSET);
if (rv == -1) {
warn("Writing `%s'", params->filesystem);
goto done;
} else if (rv != SPARC64_BOOT_BLOCK_MAX_SIZE) {
warnx("Writing `%s': short write", params->filesystem);
goto done;
} else
retval = 1;
done:
return (retval);
}
