Add simple test program that uses the partition tables handling code.
It is useful to test and debug how boot loader handles partition tables metadata.
This commit is contained in:
Andrey V. Elsukov
parent
7361df284b
commit
e87f107141
19
tools/tools/bootparttest/Makefile
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19
tools/tools/bootparttest/Makefile
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# $FreeBSD$
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.PATH: ${.CURDIR}/../../../sys/boot/common
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BINDIR?= /usr/bin
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PROG= bootparttest
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NO_MAN=
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SRCS= bootparttest.c crc32.c malloc.c part.c
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CFLAGS= -I${.CURDIR}/../../../sys/boot/common -I. \
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-DLOADER_GPT_SUPPORT -DLOADER_MBR_SUPPORT -DPART_DEBUG
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DPADD+= ${LIBGEOM} ${LIBUTIL}
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LDADD+= ${LIBGEOM} ${LIBUTIL}
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LDFLAGS+= -lgeom -lutil
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.include <bsd.prog.mk>
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172
tools/tools/bootparttest/bootparttest.c
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172
tools/tools/bootparttest/bootparttest.c
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/*-
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* Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org>
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <fcntl.h>
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#include <libgeom.h>
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#include <libutil.h>
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#include <part.h>
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#include <stdio.h>
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#include <unistd.h>
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struct disk {
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const char *name;
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uint64_t mediasize;
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uint16_t sectorsize;
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int fd;
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int file;
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off_t offset;
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};
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static int
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diskread(void *arg, void *buf, size_t blocks, off_t offset)
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{
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struct disk *dp;
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dp = (struct disk *)arg;
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printf("%s: read %d blocks from the offset %jd\n", dp->name,
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blocks, offset);
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if (offset >= dp->mediasize / dp->sectorsize)
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return (-1);
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return (pread(dp->fd, buf, blocks * dp->sectorsize,
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(offset + dp->offset) * dp->sectorsize) != blocks * dp->sectorsize);
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}
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static const char*
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ptable_type2str(const struct ptable *table)
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{
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switch (ptable_gettype(table)) {
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case PTABLE_NONE:
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return ("None");
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case PTABLE_BSD:
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return ("BSD");
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case PTABLE_MBR:
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return ("MBR");
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case PTABLE_GPT:
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return ("GPT");
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case PTABLE_VTOC8:
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return ("VTOC8");
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};
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return ("Unknown");
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}
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#define PWIDTH 35
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static void
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ptable_print(void *arg, const char *pname, const struct ptable_entry *part)
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{
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struct ptable *table;
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struct disk *dp, bsd;
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char line[80], size[6];
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dp = (struct disk *)arg;
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sprintf(line, " %s%s: %s", dp->file ? "disk0": dp->name, pname,
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parttype2str(part->type));
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humanize_number(size, sizeof(size),
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(part->end - part->start + 1) * dp->sectorsize, "",
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HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
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printf("%-*s%s\n", PWIDTH, line, size);
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if (part->type == PART_FREEBSD) {
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sprintf(line, "%s%s", dp->file ? "disk0": dp->name, pname);
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bsd.name = line;
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bsd.fd = dp->fd;
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bsd.file = 0; /* to use dp->name in the next sprintf */
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bsd.offset = dp->offset + part->start;
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bsd.sectorsize = dp->sectorsize;
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bsd.mediasize = (part->end - part->start + 1) * dp->sectorsize;
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table = ptable_open(&bsd, bsd.mediasize / bsd.sectorsize,
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bsd.sectorsize, diskread);
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if (table == NULL)
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return;
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ptable_iterate(table, &bsd, ptable_print);
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ptable_close(table);
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}
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}
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#undef PWIDTH
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static void
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inspect_disk(struct disk *dp)
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{
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struct ptable *table;
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table = ptable_open(dp, dp->mediasize / dp->sectorsize,
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dp->sectorsize, diskread);
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if (table == NULL) {
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printf("ptable_open failed\n");
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return;
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}
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printf("Partition table detected: %s\n", ptable_type2str(table));
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ptable_iterate(table, dp, ptable_print);
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ptable_close(table);
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}
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int
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main(int argc, char **argv)
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{
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struct stat sb;
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struct disk d;
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if (argc < 2)
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errx(1, "Usage: %s <GEOM provider name> | "
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"<disk image file name>", argv[0]);
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d.name = argv[1];
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if (stat(d.name, &sb) == 0 && S_ISREG(sb.st_mode)) {
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d.fd = open(d.name, O_RDONLY);
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if (d.fd < 0)
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err(1, "open %s", d.name);
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d.mediasize = sb.st_size;
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d.sectorsize = 512;
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d.file = 1;
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} else {
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d.fd = g_open(d.name, 0);
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if (d.fd < 0)
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err(1, "g_open %s", d.name);
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d.mediasize = g_mediasize(d.fd);
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d.sectorsize = g_sectorsize(d.fd);
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d.file = 0;
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}
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d.offset = 0;
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printf("%s \"%s\" opened\n", d.file ? "Disk image": "GEOM provider",
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d.name);
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printf("Mediasize: %ju Bytes (%ju sectors)\nSectorsize: %u Bytes\n",
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d.mediasize, d.mediasize / d.sectorsize, d.sectorsize);
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inspect_disk(&d);
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if (d.file)
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close(d.fd);
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else
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g_close(d.fd);
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return (0);
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}
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44
tools/tools/bootparttest/malloc.c
Normal file
44
tools/tools/bootparttest/malloc.c
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@ -0,0 +1,44 @@
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/*-
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* Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org>
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stdlib.h>
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void*
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Malloc(size_t size, const char *file, int line)
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{
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return (malloc(size));
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}
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void
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Free(void *ptr, const char *file, int line)
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{
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return (free(ptr));
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}
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