# include <sys/disk.h>
#endif
+#if defined(__NetBSD__)
+# include <sys/ioctl.h>
+# include <sys/disklabel.h> /* struct disklabel */
+# ifdef HAVE_GETRAWPARTITION
+# include <util.h> /* getrawpartition */
+# endif /* HAVE_GETRAWPARTITION */
+# include <sys/fdio.h>
+# ifndef RAW_FLOPPY_MAJOR
+# define RAW_FLOPPY_MAJOR 9
+# endif /* ! RAW_FLOPPY_MAJOR */
+#endif /* defined(__NetBSD__) */
+
struct
{
char *drive;
}
#endif /* __linux__ */
+#if defined(__NetBSD__)
+/* Adjust device driver parameters. This function should be called just
+ after successfully opening the device. For now, it simply prevents the
+ floppy driver from retrying operations on failure, as otherwise the
+ driver takes a while to abort when there is no floppy in the drive. */
+static void
+configure_device_driver (int fd)
+{
+ struct stat st;
+
+ if (fstat (fd, &st) < 0 || ! S_ISCHR (st.st_mode))
+ return;
+ if (major(st.st_rdev) == RAW_FLOPPY_MAJOR)
+ {
+ int floppy_opts;
+
+ if (ioctl (fd, FDIOCGETOPTS, &floppy_opts) == -1)
+ return;
+ floppy_opts |= FDOPT_NORETRY;
+ if (ioctl (fd, FDIOCSETOPTS, &floppy_opts) == -1)
+ return;
+ }
+}
+#endif /* defined(__NetBSD__) */
+
static int
find_grub_drive (const char *name)
{
return GRUB_ERR_NONE;
}
#elif defined(__linux__) || defined(__CYGWIN__) || defined(__FreeBSD__) || \
- defined(__FreeBSD_kernel__) || defined(__APPLE__)
+ defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
{
+# if defined(__NetBSD__)
+ struct disklabel label;
+# else
unsigned long long nr;
+# endif
int fd;
fd = open (map[drive].device, O_RDONLY);
if (fd == -1)
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "cannot open `%s' while attempting to get disk size", map[drive].device);
-# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
+# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
if (fstat (fd, &st) < 0 || ! S_ISCHR (st.st_mode))
# else
if (fstat (fd, &st) < 0 || ! S_ISBLK (st.st_mode))
if (ioctl (fd, DIOCGMEDIASIZE, &nr))
# elif defined(__APPLE__)
if (ioctl (fd, DKIOCGETBLOCKCOUNT, &nr))
+# elif defined(__NetBSD__)
+ configure_device_driver (fd);
+ if (ioctl (fd, DIOCGDINFO, &label) == -1)
# else
if (ioctl (fd, BLKGETSIZE64, &nr))
# endif
close (fd);
-#if defined (__APPLE__)
+# if defined (__APPLE__)
disk->total_sectors = nr;
-#else
+# elif defined(__NetBSD__)
+ disk->total_sectors = label.d_secperunit;
+# else
disk->total_sectors = nr / 512;
if (nr % 512)
grub_util_error ("unaligned device size");
-#endif
+# endif
grub_util_info ("the size of %s is %llu", name, disk->total_sectors);
}
#endif /* ! __linux__ */
+#if defined(__NetBSD__)
+ configure_device_driver (fd);
+#endif /* defined(__NetBSD__) */
+
#if defined(__linux__) && (!defined(__GLIBC__) || \
((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
/* Maybe libc doesn't have large file support. */
dos_part_str = xasprintf (",%d", dos_part + 1);
if (bsd_part >= 0)
- bsd_part_str = xasprintf (",%c", dos_part + 'a');
+ bsd_part_str = xasprintf (",%c", bsd_part + 'a');
ret = xasprintf ("%s%s%s", map[drive].drive,
dos_part_str ? : "",
}
return path;
+#elif defined(__NetBSD__)
+ /* NetBSD uses "/dev/r[wsc]d[0-9]+[a-z]". */
+ char *path = xstrdup (os_dev);
+ if (strncmp ("/dev/rwd", path, 8) == 0 ||
+ strncmp ("/dev/rsd", path, 8) == 0 ||
+ strncmp ("/dev/rcd", path, 8) == 0)
+ {
+ char *q;
+ q = path + strlen(path) - 1; /* last character */
+ if (grub_isalpha(*q) && grub_isdigit(*(q-1)))
+ {
+ int rawpart = -1;
+# ifdef HAVE_GETRAWPARTITION
+ rawpart = getrawpartition();
+# endif /* HAVE_GETRAWPARTITION */
+ if (rawpart >= 0)
+ *q = 'a' + rawpart;
+ }
+ }
+ return path;
+
#else
# warning "The function `convert_system_partition_to_system_disk' might not work on your OS correctly."
return xstrdup (os_dev);
}
#endif
+#if defined(__NetBSD__)
+/* Try to determine whether a given device name corresponds to a whole disk.
+ This function should give in most cases a definite answer, but it may
+ actually give an approximate one in the following sense: if the return
+ value is 0 then the device name does not correspond to a whole disk. */
+static int
+device_is_wholedisk (const char *os_dev)
+{
+ int len = strlen (os_dev);
+ int rawpart = -1;
+
+# ifdef HAVE_GETRAWPARTITION
+ rawpart = getrawpartition();
+# endif /* HAVE_GETRAWPARTITION */
+ if (rawpart < 0)
+ return 1;
+ return (os_dev[len - 1] == ('a' + rawpart));
+}
+#endif /* defined(__NetBSD__) */
+
static int
find_system_device (const char *os_dev)
{
== 0)
return make_device_name (drive, -1, -1);
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
if (! S_ISCHR (st.st_mode))
#else
if (! S_ISBLK (st.st_mode))
#endif
return make_device_name (drive, -1, -1);
-#if defined(__linux__) || defined(__CYGWIN__)
+#if defined(__linux__) || defined(__CYGWIN__) || defined(__NetBSD__)
/* Linux counts partitions uniformly, whether a BSD partition or a DOS
partition, so mapping them to GRUB devices is not trivial.
Here, get the start sector of a partition by HDIO_GETGEO, and
Cygwin /dev/sdXN emulation uses Windows partition mapping. It
does not count the extended partition and missing primary
- partitions. Use same method as on Linux here. */
+ partitions. Use same method as on Linux here.
+
+ For NetBSD, proceed as for Linux, except that the start sector is
+ obtained from the disk label. */
{
char *name;
grub_disk_t disk;
int fd;
+# if !defined(__NetBSD__)
+ const char *disk_info_msg = "geometry";
struct hd_geometry hdg;
+ typeof (hdg.start) p_offset;
+# else /* defined(__NetBSD__) */
+ const char *disk_info_msg = "label";
+ struct disklabel label;
+ int index;
+ u_int32_t p_offset;
+# endif /* !defined(__NetBSD__) */
int dos_part = -1;
int bsd_part = -1;
auto int find_partition (grub_disk_t dsk,
part_start = grub_partition_get_start (partition);
- if (hdg.start == part_start)
+ if (p_offset == part_start)
{
if (partition->parent)
{
name = make_device_name (drive, -1, -1);
+# if !defined(__NetBSD__)
if (MAJOR (st.st_rdev) == FLOPPY_MAJOR)
return name;
+# else /* defined(__NetBSD__) */
+ /* Since os_dev and convert_system_partition_to_system_disk (os_dev) are
+ * different, we know that os_dev is of the form /dev/r[wsc]d[0-9]+[a-z]
+ * and in particular it cannot be a floppy device. */
+ index = os_dev[strlen(os_dev) - 1] - 'a';
+# endif /* !defined(__NetBSD__) */
fd = open (os_dev, O_RDONLY);
if (fd == -1)
{
- grub_error (GRUB_ERR_BAD_DEVICE, "cannot open `%s' while attempting to get disk geometry", os_dev);
+ grub_error (GRUB_ERR_BAD_DEVICE, "cannot open `%s' while attempting to get disk %s", os_dev, disk_info_msg);
free (name);
return 0;
}
+# if !defined(__NetBSD__)
if (ioctl (fd, HDIO_GETGEO, &hdg))
+# else /* defined(__NetBSD__) */
+ configure_device_driver (fd);
+ if (ioctl (fd, DIOCGDINFO, &label) == -1)
+# endif /* !defined(__NetBSD__) */
{
grub_error (GRUB_ERR_BAD_DEVICE,
- "cannot get geometry of `%s'", os_dev);
+ "cannot get disk %s of `%s'", disk_info_msg, os_dev);
close (fd);
free (name);
return 0;
close (fd);
- grub_util_info ("%s starts from %lu", os_dev, hdg.start);
+# if !defined(__NetBSD__)
+ p_offset = hdg.start;
+# else /* defined(__NetBSD__) */
+ if (index >= label.d_npartitions)
+ {
+ grub_error (GRUB_ERR_BAD_DEVICE,
+ "no disk label entry for `%s'", os_dev);
+ free (name);
+ return 0;
+ }
+ p_offset = label.d_partitions[index].p_offset;
+# endif /* !defined(__NetBSD__) */
+
+ grub_util_info ("%s starts from %lu", os_dev, p_offset);
- if (hdg.start == 0 && device_is_wholedisk (os_dev))
+ if (p_offset == 0 && device_is_wholedisk (os_dev))
return name;
grub_util_info ("opening the device %s", name);
projects / thirdparty / grub.git / commitdiff
