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#include <config.h>
#include <config-util.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <stdint.h>
#include <grub/util/misc.h>
#include <grub/emu/hostdisk.h>
#include <grub/emu/getroot.h>
#include <fs_info.h>
#include <Drivers.h>
#include <StorageDefs.h>
enum grub_dev_abstraction_types
grub_util_get_dev_abstraction_os (const char *os_dev __attribute__((unused)))
{
return GRUB_DEV_ABSTRACTION_NONE;
}
int
grub_util_pull_device_os (const char *os_dev __attribute__ ((unused)),
enum grub_dev_abstraction_types ab __attribute__ ((unused)))
{
return 0;
}
char *
grub_util_get_grub_dev_os (const char *os_dev __attribute__ ((unused)))
{
return NULL;
}
char **
grub_guess_root_devices (const char *dir_in)
{
dev_t dv = dev_for_path (dir_in);
fs_info inf;
char **ret;
if (fs_stat_dev (dv, &inf) != B_OK)
return NULL;
ret = xmalloc (2 * sizeof (ret[0]));
ret[0] = xstrdup (inf.device_name);
ret[1] = NULL;
return ret;
}
grub_disk_addr_t
grub_util_find_partition_start_os (const char *dev)
{
partition_info part;
grub_disk_addr_t ret;
int fd = open (dev, O_RDONLY);
if (fd < 0)
return 0;
if (ioctl (fd, B_GET_PARTITION_INFO, &part, sizeof (part)) < 0)
{
close (fd);
return 0;
}
ret = part.offset;
close (fd);
fd = open (part.device, O_RDONLY);
device_geometry geo;
if (ioctl (fd, B_GET_GEOMETRY, &geo, sizeof (geo)) < 0)
return 0;
ret /= geo.bytes_per_sector ? : 512;
close (fd);
return ret;
}
char *
grub_util_part_to_disk (const char *os_dev,
struct stat *st __attribute__ ((unused)),
int *is_part)
{
char *ret;
partition_info part;
int fd = open (os_dev, O_RDONLY);
*is_part = 0;
if (fd < 0)
return xstrdup (os_dev);
if (ioctl (fd, B_GET_PARTITION_INFO, &part, sizeof (part)) < 0)
{
close (fd);
return xstrdup (os_dev);
}
ret = xstrdup (part.device);
close (fd);
*is_part=1;
return ret;
}
int
grub_util_biosdisk_is_floppy (grub_disk_t disk)
{
const char *dname;
dname = grub_util_biosdisk_get_osdev (disk);
return (strncmp (dname, "/dev/disk/floppy/", sizeof ("/dev/disk/floppy/") - 1)
== 0);
}
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