/* $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); }
