136 get_drive_geometry (struct geometry *geom, char **map, int drive)  in get_drive_geometry()  argument
140   if (geom->flags == -1)  in get_drive_geometry()
146     fd = geom->flags;  in get_drive_geometry()
149   geom->sector_size = SECTOR_SIZE;  in get_drive_geometry()
164     geom->cylinders = hdg.cylinders;  in get_drive_geometry()
165     geom->heads = hdg.heads;  in get_drive_geometry()
166     geom->sectors = hdg.sectors;  in get_drive_geometry()
167     geom->total_sectors = nr;  in get_drive_geometry()
187     geom->total_sectors = media_size / sector_size;  in get_drive_geometry()
190       geom->sectors = tmp;  in get_drive_geometry()
192       geom->sectors = 63;  in get_drive_geometry()
194       geom->heads = tmp;  in get_drive_geometry()
195     else if (geom->total_sectors <= 63 * 1 * 1024)  in get_drive_geometry()
196       geom->heads = 1;  in get_drive_geometry()
197     else if (geom->total_sectors <= 63 * 16 * 1024)  in get_drive_geometry()
198       geom->heads = 16;  in get_drive_geometry()
200       geom->heads = 255;  in get_drive_geometry()
202     geom->cylinders = (geom->total_sectors  in get_drive_geometry()
203 			   / geom->heads  in get_drive_geometry()
204 			   / geom->sectors);  in get_drive_geometry()
217     geom->cylinders = hdg.d_ncylinders;  in get_drive_geometry()
218     geom->heads = hdg.d_ntracks;  in get_drive_geometry()
219     geom->sectors = hdg.d_nsectors;  in get_drive_geometry()
220     geom->total_sectors = hdg.d_secperunit;  in get_drive_geometry()
239 	geom->cylinders = DEFAULT_HD_CYLINDERS;  in get_drive_geometry()
240 	geom->heads = DEFAULT_HD_HEADS;  in get_drive_geometry()
241 	geom->sectors = DEFAULT_HD_SECTORS;  in get_drive_geometry()
245 	geom->cylinders = DEFAULT_FD_CYLINDERS;  in get_drive_geometry()
246 	geom->heads = DEFAULT_FD_HEADS;  in get_drive_geometry()
247 	geom->sectors = DEFAULT_FD_SECTORS;  in get_drive_geometry()
252       geom->total_sectors = st.st_size >> SECTOR_BITS;  in get_drive_geometry()
254       geom->total_sectors = geom->cylinders * geom->heads * geom->sectors;  in get_drive_geometry()
258   if (geom->flags == -1)  in get_drive_geometry()