/* $NetBSD: hp300.c,v 1.22 2025/04/05 19:58:50 tsutsui Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by David Laight. * * 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. */ #if HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #endif #include #if !defined(__lint) __RCSID("$NetBSD: hp300.c,v 1.22 2025/04/05 19:58:50 tsutsui Exp $"); #endif /* !__lint */ /* We need the target disklabel.h, not the hosts one..... */ #ifdef HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #include #include #else #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include "installboot.h" #define HP300_MAXBLOCKS 1 /* Only contiguous blocks are expected. */ #define LIF_VOLDIRSIZE 1024 /* size of LIF volume header and directory */ /* XXX: should be HP300_LIF_FILESTART? */ #define LIF_PRESERVED (HP300_SECTSIZE * 16) static int hp300_setboot(ib_params *); struct ib_mach ib_mach_hp300 = { .name = "hp300", .setboot = hp300_setboot, .clearboot = no_clearboot, .editboot = no_editboot, .valid_flags = IB_APPEND, }; static int hp300_setboot(ib_params *params) { int retval; uint8_t *bootstrap; size_t bootstrap_mapsize; ssize_t rv; struct partition *boot; struct hp300_lifdir *lifdir; int size, offset; int i; unsigned int secsize = HP300_SECTSIZE; uint64_t boot_size, boot_offset; #ifdef SUPPORT_CD9660 uint32_t nblk; ib_block *blocks; #endif struct disklabel *label; assert(params != NULL); assert(params->fsfd != -1); assert(params->filesystem != NULL); assert(params->s1fd != -1); assert(params->stage1 != NULL); retval = 0; bootstrap = MAP_FAILED; /* needs whole LIF volume/directory and actual bootstrap by default */ bootstrap_mapsize = params->s1stat.st_size; label = malloc(params->sectorsize); if (label == NULL) { warn("Failed to allocate memory for disklabel"); goto done; } #ifdef SUPPORT_CD9660 if (params->stage2 != NULL) { /* * Use contiguous blocks of SYS_BOOT in the target filesystem * (assuming ISO9660) for a LIF directory entry used * by BOOTROM on bootstrap. */ if (strcmp(params->fstype->name, "cd9660") != 0) { warn("Target filesystem `%s' is unexpected", params->fstype->name); } if (S_ISREG(params->fsstat.st_mode)) { if (fsync(params->fsfd) == -1) warn("Synchronising file system `%s'", params->filesystem); } else { /* Don't allow real file systems for sanity */ warnx("`%s' must be a regular file to append " "a bootstrap", params->filesystem); goto done; } /* Allocate space for our block list. */ nblk = HP300_MAXBLOCKS; blocks = malloc(sizeof(*blocks) * nblk); if (blocks == NULL) { warn("Allocating %lu bytes for block list", (unsigned long)sizeof(*blocks) * nblk); goto done; } /* Check the block of for the SYS_UBOOT in the target fs */ if (!params->fstype->findstage2(params, &nblk, blocks)) goto done; if (nblk == 0) { warnx("Secondary bootstrap `%s' is empty", params->stage2); goto done; } else if (nblk > 1) { warnx("Secondary bootstrap `%s' doesn't have " "contiguous blocks", params->stage2); goto done; } boot_offset = blocks[0].block * params->fstype->blocksize; /* need to read only LIF volume and directories */ bootstrap_mapsize = LIF_VOLDIRSIZE; if ((params->flags & IB_VERBOSE) != 0) { printf("Bootstrap `%s' found at offset %lu in `%s'\n", params->stage2, (unsigned long)boot_offset, params->filesystem); } } else #endif if ((params->flags & IB_APPEND) != 0) { if (!S_ISREG(params->fsstat.st_mode)) { warnx( "`%s' must be a regular file to append a bootstrap", params->filesystem); goto done; } boot_offset = roundup(params->fsstat.st_size, HP300_SECTSIZE); } else { /* * The bootstrap can be well over 8k, and must go into a BOOT * partition. Read NetBSD label to locate BOOT partition. */ if (pread(params->fsfd, label, params->sectorsize, LABELSECTOR * params->sectorsize) != (ssize_t)params->sectorsize) { warn("reading disklabel"); goto done; } /* And a quick validation - must be a big-endian label */ secsize = be32toh(label->d_secsize); if (label->d_magic != htobe32(DISKMAGIC) || label->d_magic2 != htobe32(DISKMAGIC) || secsize == 0 || !powerof2(secsize) || be16toh(label->d_npartitions) > MAXMAXPARTITIONS) { warnx("Invalid disklabel in %s", params->filesystem); goto done; } i = be16toh(label->d_npartitions); for (boot = label->d_partitions; ; boot++) { if (--i < 0) { warnx("No BOOT partition"); goto done; } if (boot->p_fstype == FS_BOOT) break; } boot_size = be32toh(boot->p_size) * (uint64_t)secsize; boot_offset = be32toh(boot->p_offset) * (uint64_t)secsize; /* * We put the entire LIF file into the BOOT partition even when * it doesn't start at the beginning of the disk. * * Maybe we ought to be able to take a binary file and add * it to the LIF filesystem. */ if (boot_size < (uint64_t)params->s1stat.st_size) { warn("BOOT partition too small (%llu < %llu)", (unsigned long long)boot_size, (unsigned long long)params->s1stat.st_size); goto done; } } /* Read LIF volume/directory (and bootstrap) from stage1 */ bootstrap = mmap(NULL, bootstrap_mapsize, PROT_READ | PROT_WRITE, MAP_PRIVATE, params->s1fd, 0); if (bootstrap == MAP_FAILED) { warn("mmapping `%s'", params->stage1); goto done; } /* Relocate files, sanity check LIF directory on the way */ lifdir = (void *)(bootstrap + HP300_LIF_DIRSTART); for (i = 0; i < HP300_LIF_NUMDIR; i++) { uint32_t addr = be32toh(lifdir[i].dir_addr); uint32_t limit = hp300_btolifs(params->s1stat.st_size); uint32_t end = addr + be32toh(lifdir[i].dir_length); if (end > limit) { warnx("LIF entry %d larger (%u %u) than LIF file", i, end, limit); goto done; } if (addr != 0 && boot_offset != 0) lifdir[i].dir_addr = htobe32(boot_offset / HP300_SECTSIZE + addr); } if ((params->flags & IB_NOWRITE) != 0) { retval = 1; goto done; } /* Write LIF volume header and directory to sectors 0 and 1 */ rv = pwrite(params->fsfd, bootstrap, LIF_VOLDIRSIZE, 0); if (rv != LIF_VOLDIRSIZE) { if (rv == -1) warn("Writing `%s'", params->filesystem); else warnx("Writing `%s': short write", params->filesystem); goto done; } #ifdef SUPPORT_CD9660 if (params->stage2 != NULL) { /* * Bootstrap in the target filesystem is used. * No need to write bootstrap to BOOT partition. */ retval = 1; goto done; } #endif /* Write bootstrap to BOOT partition (or at EOF in IB_APPEND case) */ /* LIF header and directories, and disklabel should be preserved */ offset = (boot_offset <= LIF_PRESERVED) ? LIF_PRESERVED : 0; size = roundup(params->s1stat.st_size, secsize) - offset; rv = pwrite(params->fsfd, bootstrap + offset, size, boot_offset + offset); if (rv != size) { if (rv == -1) warn("Writing boot filesystem of `%s'", params->filesystem); else warnx("Writing boot filesystem of `%s': short write", params->filesystem); goto done; } retval = 1; done: if (label != NULL) free(label); if (bootstrap != MAP_FAILED) munmap(bootstrap, bootstrap_mapsize); return retval; }