Cross Reference: /external/grub/stage2/bios.c

Lines Matching refs:geometry
47    else if READ is BIOSDISK_WRITE, then write it. If an geometry error
51 biosdisk (int read, int drive, struct geometry *geometry,
56   if (geometry->flags & BIOSDISK_FLAG_LBA_EXTENSION)
67       /* XXX: Don't check the geometry by default, because some buggy
71       if (sector >= geometry->total_sectors)
91 	  if (geometry->flags & BIOSDISK_FLAG_CDROM)
94 	  geometry->flags &= ~BIOSDISK_FLAG_LBA_EXTENSION;
95 	  geometry->total_sectors = (geometry->cylinders
96 				     * geometry->heads
97 				     * geometry->sectors);
98 	  return biosdisk (read, drive, geometry, sector, nsec, segment);
110       sector_offset = sector % geometry->sectors + 1;
111       head = sector / geometry->sectors;
112       head_offset = head % geometry->heads;
113       cylinder_offset = head / geometry->heads;
115       if (cylinder_offset >= geometry->cylinders)
128 get_cdinfo (int drive, struct geometry *geometry)
157           geometry->flags = BIOSDISK_FLAG_LBA_EXTENSION | BIOSDISK_FLAG_CDROM;
158           geometry->cylinders = 0;
159           geometry->heads = 1;
160           geometry->sectors = 15;
161           geometry->sector_size = 2048;
162           geometry->total_sectors = MAXINT;
168           geometry->cylinders
171           geometry->heads = cdrp.heads;
172           geometry->sectors = cdrp.sectors & 0x3F;
173           geometry->sector_size = SECTOR_SIZE;
174           geometry->total_sectors = (geometry->cylinders
175 				     * geometry->heads
176 				     * geometry->sectors);
183 /* Return the geometry of DRIVE in GEOMETRY. If an error occurs, return
186 get_diskinfo (int drive, struct geometry *geometry)
191   geometry->flags = 0;
204 	  if (get_cdinfo (drive, geometry))
253 	      geometry->flags = BIOSDISK_FLAG_LBA_EXTENSION;
275 				   &geometry->cylinders,
276 				   &geometry->heads,
277 				   &geometry->sectors);
283 	  total_sectors = (geometry->cylinders
284 			   * geometry->heads
285 			   * geometry->sectors);
287       geometry->total_sectors = total_sectors;
288       geometry->sector_size = SECTOR_SIZE;
296 				   &geometry->cylinders,
297 				   &geometry->heads,
298 				   &geometry->sectors);
304 				   &geometry->cylinders,
305 				   &geometry->heads,
306 				   &geometry->sectors);
312       geometry->total_sectors = (geometry->cylinders
313 				 * geometry->heads
314 				 * geometry->sectors);
315       geometry->sector_size = SECTOR_SIZE;