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