Add grub-probe support for NetBSD.
* util/getroot.c (find_root_device): Convert block device to character device on NetBSD. * util/probe.c (probe): Require character device on NetBSD. * util/hostdisk.c: NetBSD specific headers. (configure_device_driver): new function to tune device driver parameters (currently only for NetBSD floppy driver). (grub_util_biosdisk_open): NetBSD specific code (get disk size via disklabel ioctl). (open_device): call configure_device_driver on NetBSD. (convert_system_partition_to_system_disk): NetBSD specific code. (device_is_wholedisk): Likewise. (grub_util_biosdisk_get_grub_dev): Likewise. (make_device_name): Fixed a typo in bsd_part_str. * configure.ac: check for opendisk() and getrawpartition() on NetBSD and set LIBUTIL. * Makefile.in: add LIBUTIL to LIBS.
This commit is contained in:
Grégoire Sutre
Vladimir 'phcoder' Serbinenko
parent
f516290c5a
commit
2c7031b135
5 changed files with 191 additions and 17 deletions
21
ChangeLog
21
ChangeLog
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@ -1,3 +1,24 @@
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2010-04-10 Grégoire Sutre <gregoire.sutre@gmail.com>
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Add grub-probe support for NetBSD.
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* util/getroot.c (find_root_device): Convert block device to
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character device on NetBSD.
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* util/probe.c (probe): Require character device on NetBSD.
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* util/hostdisk.c: NetBSD specific headers.
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(configure_device_driver): new function to tune device driver
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parameters (currently only for NetBSD floppy driver).
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(grub_util_biosdisk_open): NetBSD specific code (get disk size
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via disklabel ioctl).
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(open_device): call configure_device_driver on NetBSD.
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(convert_system_partition_to_system_disk): NetBSD specific code.
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(device_is_wholedisk): Likewise.
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(grub_util_biosdisk_get_grub_dev): Likewise.
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(make_device_name): Fixed a typo in bsd_part_str.
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* configure.ac: check for opendisk() and getrawpartition() on
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NetBSD and set LIBUTIL.
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* Makefile.in: add LIBUTIL to LIBS.
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2010-04-10 BVK Chaitanya <bvk.groups@gmail.com>
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Documentation fix.
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@ -45,6 +45,9 @@ pkglibdir = $(libdir)/`echo @PACKAGE_TARNAME@/$(target_cpu)-$(platform) | sed '
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LIBINTL = @LIBINTL@
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TARGET_NO_MODULES = @TARGET_NO_MODULES@
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# Util library.
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LIBUTIL = @LIBUTIL@
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XGETTEXT = @XGETTEXT@
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MSGMERGE = @MSGMERGE@
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MSGFMT = @MSGFMT@
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@ -76,7 +79,7 @@ MKDIR_P = @MKDIR_P@
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mkinstalldirs = $(srcdir)/mkinstalldirs
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LIBS = @LIBS@ $(LIBINTL)
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LIBS = @LIBS@ $(LIBINTL) $(LIBUTIL)
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CC = @CC@
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CFLAGS = @CFLAGS@
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15
configure.ac
15
configure.ac
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@ -130,6 +130,7 @@ case "$host_os" in
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gnu*) host_kernel=hurd ;;
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linux*) host_kernel=linux ;;
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freebsd* | kfreebsd*-gnu) host_kernel=kfreebsd ;;
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netbsd*) host_kernel=netbsd ;;
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cygwin) host_kernel=windows ;;
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esac
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@ -242,6 +243,20 @@ AC_CHECK_FUNCS(memmove sbrk strdup lstat getuid getgid)
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AC_CHECK_HEADERS(sys/mkdev.h sys/sysmacros.h malloc.h termios.h sys/types.h)
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AC_CHECK_HEADERS(unistd.h string.h strings.h sys/stat.h sys/fcntl.h limits.h)
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# For opendisk() and getrawpartition() on NetBSD.
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# Used in util/deviceiter.c and in util/hostdisk.c.
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AC_CHECK_HEADER([util.h], [
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AC_CHECK_LIB([util], [opendisk], [
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LIBUTIL="-lutil"
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AC_DEFINE(HAVE_OPENDISK, 1, [Define if opendisk() in -lutil can be used])
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])
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AC_CHECK_LIB([util], [getrawpartition], [
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LIBUTIL="-lutil"
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AC_DEFINE(HAVE_GETRAWPARTITION, 1, [Define if getrawpartition() in -lutil can be used])
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])
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])
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AC_SUBST([LIBUTIL])
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#
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# Check for target programs.
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#
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@ -264,10 +264,17 @@ find_root_device (const char *dir, dev_t dev)
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/* Found! */
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char *res;
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char *cwd;
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#if defined(__NetBSD__)
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/* Convert this block device to its character (raw) device. */
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const char *template = "%s/r%s";
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#else
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/* Keep the device name as it is. */
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const char *template = "%s/%s";
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#endif
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cwd = xgetcwd ();
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res = xmalloc (strlen (cwd) + strlen (ent->d_name) + 2);
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sprintf (res, "%s/%s", cwd, ent->d_name);
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res = xmalloc (strlen (cwd) + strlen (ent->d_name) + 3);
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sprintf (res, template, cwd, ent->d_name);
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strip_extra_slashes (res);
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free (cwd);
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150
util/hostdisk.c
150
util/hostdisk.c
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@ -98,6 +98,18 @@ struct hd_geometry
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# include <sys/disk.h>
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#endif
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#if defined(__NetBSD__)
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# include <sys/ioctl.h>
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# include <sys/disklabel.h> /* struct disklabel */
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# ifdef HAVE_GETRAWPARTITION
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# include <util.h> /* getrawpartition */
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# endif /* HAVE_GETRAWPARTITION */
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# include <sys/fdio.h>
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# ifndef RAW_FLOPPY_MAJOR
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# define RAW_FLOPPY_MAJOR 9
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# endif /* ! RAW_FLOPPY_MAJOR */
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#endif /* defined(__NetBSD__) */
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struct
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{
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char *drive;
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@ -129,6 +141,31 @@ have_devfs (void)
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}
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#endif /* __linux__ */
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#if defined(__NetBSD__)
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/* Adjust device driver parameters. This function should be called just
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after successfully opening the device. For now, it simply prevents the
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floppy driver from retrying operations on failure, as otherwise the
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driver takes a while to abort when there is no floppy in the drive. */
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static void
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configure_device_driver (int fd)
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{
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struct stat st;
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if (fstat (fd, &st) < 0 || ! S_ISCHR (st.st_mode))
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return;
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if (major(st.st_rdev) == RAW_FLOPPY_MAJOR)
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{
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int floppy_opts;
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if (ioctl (fd, FDIOCGETOPTS, &floppy_opts) == -1)
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return;
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floppy_opts |= FDOPT_NORETRY;
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if (ioctl (fd, FDIOCSETOPTS, &floppy_opts) == -1)
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return;
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}
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}
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#endif /* defined(__NetBSD__) */
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static int
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find_grub_drive (const char *name)
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{
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@ -204,16 +241,20 @@ grub_util_biosdisk_open (const char *name, grub_disk_t disk)
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return GRUB_ERR_NONE;
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}
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#elif defined(__linux__) || defined(__CYGWIN__) || defined(__FreeBSD__) || \
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defined(__FreeBSD_kernel__) || defined(__APPLE__)
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defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
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{
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# if defined(__NetBSD__)
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struct disklabel label;
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# else
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unsigned long long nr;
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# endif
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int fd;
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fd = open (map[drive].device, O_RDONLY);
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if (fd == -1)
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return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "cannot open `%s' while attempting to get disk size", map[drive].device);
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# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
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# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
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if (fstat (fd, &st) < 0 || ! S_ISCHR (st.st_mode))
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# else
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if (fstat (fd, &st) < 0 || ! S_ISBLK (st.st_mode))
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@ -227,6 +268,9 @@ grub_util_biosdisk_open (const char *name, grub_disk_t disk)
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if (ioctl (fd, DIOCGMEDIASIZE, &nr))
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# elif defined(__APPLE__)
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if (ioctl (fd, DKIOCGETBLOCKCOUNT, &nr))
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# elif defined(__NetBSD__)
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configure_device_driver (fd);
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if (ioctl (fd, DIOCGDINFO, &label) == -1)
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# else
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if (ioctl (fd, BLKGETSIZE64, &nr))
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# endif
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@ -239,6 +283,8 @@ grub_util_biosdisk_open (const char *name, grub_disk_t disk)
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# if defined (__APPLE__)
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disk->total_sectors = nr;
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# elif defined(__NetBSD__)
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disk->total_sectors = label.d_secperunit;
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# else
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disk->total_sectors = nr / 512;
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@ -483,6 +529,10 @@ open_device (const grub_disk_t disk, grub_disk_addr_t sector, int flags)
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}
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#endif /* ! __linux__ */
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#if defined(__NetBSD__)
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configure_device_driver (fd);
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#endif /* defined(__NetBSD__) */
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#if defined(__linux__) && (!defined(__GLIBC__) || \
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((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
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/* Maybe libc doesn't have large file support. */
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@ -811,7 +861,7 @@ make_device_name (int drive, int dos_part, int bsd_part)
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dos_part_str = xasprintf (",%d", dos_part + 1);
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if (bsd_part >= 0)
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bsd_part_str = xasprintf (",%c", dos_part + 'a');
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bsd_part_str = xasprintf (",%c", bsd_part + 'a');
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ret = xasprintf ("%s%s%s", map[drive].drive,
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dos_part_str ? : "",
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@ -981,6 +1031,27 @@ convert_system_partition_to_system_disk (const char *os_dev)
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}
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return path;
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#elif defined(__NetBSD__)
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/* NetBSD uses "/dev/r[wsc]d[0-9]+[a-z]". */
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char *path = xstrdup (os_dev);
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if (strncmp ("/dev/rwd", path, 8) == 0 ||
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strncmp ("/dev/rsd", path, 8) == 0 ||
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strncmp ("/dev/rcd", path, 8) == 0)
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{
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char *q;
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q = path + strlen(path) - 1; /* last character */
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if (grub_isalpha(*q) && grub_isdigit(*(q-1)))
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{
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int rawpart = -1;
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# ifdef HAVE_GETRAWPARTITION
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rawpart = getrawpartition();
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# endif /* HAVE_GETRAWPARTITION */
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if (rawpart >= 0)
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*q = 'a' + rawpart;
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}
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}
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return path;
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#else
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# warning "The function `convert_system_partition_to_system_disk' might not work on your OS correctly."
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return xstrdup (os_dev);
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@ -999,6 +1070,26 @@ device_is_wholedisk (const char *os_dev)
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}
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#endif
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#if defined(__NetBSD__)
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/* Try to determine whether a given device name corresponds to a whole disk.
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This function should give in most cases a definite answer, but it may
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actually give an approximate one in the following sense: if the return
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value is 0 then the device name does not correspond to a whole disk. */
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static int
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device_is_wholedisk (const char *os_dev)
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{
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int len = strlen (os_dev);
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int rawpart = -1;
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# ifdef HAVE_GETRAWPARTITION
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rawpart = getrawpartition();
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# endif /* HAVE_GETRAWPARTITION */
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if (rawpart < 0)
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return 1;
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return (os_dev[len - 1] == ('a' + rawpart));
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}
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#endif /* defined(__NetBSD__) */
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static int
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find_system_device (const char *os_dev)
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{
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@ -1051,14 +1142,14 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
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== 0)
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return make_device_name (drive, -1, -1);
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
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if (! S_ISCHR (st.st_mode))
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#else
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if (! S_ISBLK (st.st_mode))
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#endif
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return make_device_name (drive, -1, -1);
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#if defined(__linux__) || defined(__CYGWIN__)
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#if defined(__linux__) || defined(__CYGWIN__) || defined(__NetBSD__)
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/* Linux counts partitions uniformly, whether a BSD partition or a DOS
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partition, so mapping them to GRUB devices is not trivial.
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Here, get the start sector of a partition by HDIO_GETGEO, and
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@ -1066,12 +1157,24 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
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Cygwin /dev/sdXN emulation uses Windows partition mapping. It
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does not count the extended partition and missing primary
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partitions. Use same method as on Linux here. */
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partitions. Use same method as on Linux here.
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For NetBSD, proceed as for Linux, except that the start sector is
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obtained from the disk label. */
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{
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char *name;
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grub_disk_t disk;
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int fd;
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# if !defined(__NetBSD__)
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const char *disk_info_msg = "geometry";
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struct hd_geometry hdg;
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typeof (hdg.start) p_offset;
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# else /* defined(__NetBSD__) */
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const char *disk_info_msg = "label";
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struct disklabel label;
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int index;
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u_int32_t p_offset;
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# endif /* !defined(__NetBSD__) */
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int dos_part = -1;
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int bsd_part = -1;
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auto int find_partition (grub_disk_t dsk,
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@ -1086,7 +1189,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
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part_start = grub_partition_get_start (partition);
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if (hdg.start == part_start)
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if (p_offset == part_start)
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{
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if (partition->parent)
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{
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@ -1107,21 +1210,33 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
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name = make_device_name (drive, -1, -1);
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# if !defined(__NetBSD__)
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if (MAJOR (st.st_rdev) == FLOPPY_MAJOR)
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return name;
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# else /* defined(__NetBSD__) */
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/* Since os_dev and convert_system_partition_to_system_disk (os_dev) are
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* different, we know that os_dev is of the form /dev/r[wsc]d[0-9]+[a-z]
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* and in particular it cannot be a floppy device. */
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index = os_dev[strlen(os_dev) - 1] - 'a';
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# endif /* !defined(__NetBSD__) */
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fd = open (os_dev, O_RDONLY);
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if (fd == -1)
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{
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grub_error (GRUB_ERR_BAD_DEVICE, "cannot open `%s' while attempting to get disk geometry", os_dev);
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grub_error (GRUB_ERR_BAD_DEVICE, "cannot open `%s' while attempting to get disk %s", os_dev, disk_info_msg);
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free (name);
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return 0;
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}
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# if !defined(__NetBSD__)
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if (ioctl (fd, HDIO_GETGEO, &hdg))
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# else /* defined(__NetBSD__) */
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configure_device_driver (fd);
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if (ioctl (fd, DIOCGDINFO, &label) == -1)
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# endif /* !defined(__NetBSD__) */
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{
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grub_error (GRUB_ERR_BAD_DEVICE,
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"cannot get geometry of `%s'", os_dev);
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"cannot get disk %s of `%s'", disk_info_msg, os_dev);
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close (fd);
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free (name);
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return 0;
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@ -1129,9 +1244,22 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
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close (fd);
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grub_util_info ("%s starts from %lu", os_dev, hdg.start);
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# if !defined(__NetBSD__)
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p_offset = hdg.start;
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# else /* defined(__NetBSD__) */
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if (index >= label.d_npartitions)
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{
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grub_error (GRUB_ERR_BAD_DEVICE,
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"no disk label entry for `%s'", os_dev);
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free (name);
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return 0;
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}
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p_offset = label.d_partitions[index].p_offset;
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# endif /* !defined(__NetBSD__) */
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if (hdg.start == 0 && device_is_wholedisk (os_dev))
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grub_util_info ("%s starts from %lu", os_dev, p_offset);
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if (p_offset == 0 && device_is_wholedisk (os_dev))
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return name;
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grub_util_info ("opening the device %s", name);
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Reference in a new issue