tools/fs_shell/unistd.cpp

149 			fssh_device_geometry *geometry
155 					geometry->bytes_per_sector
157 					geometry->sectors_per_track
159 					geometry->cylinder_count = systemGeometry.cylinder_count;
160 					geometry->head_count = systemGeometry.head_count;
161 					geometry->device_type = systemGeometry.device_type;
162 					geometry->removable = systemGeometry.removable;
163 					geometry->read_only = systemGeometry.read_only;
164 					geometry->write_once = systemGeometry.write_once;
183 					geometry->head_count = heads;
184 					geometry->cylinder_count = blocks / heads;
185 					geometry->sectors_per_track = 1;
196 						geometry->head_count = hdGeometry.heads;
197 						geometry->cylinder_count = partitionSize / bytesPerCylinder;
198 						geometry->sectors_per_track = hdGeometry.sectors;
206 					geometry->bytes_per_sector = blockSize;
207 					geometry->device_type = FSSH_B_DISK;
208 					geometry->removable = false;
209 					geometry->read_only = false;
210 					geometry->write_once = false;
246 					geometry->head_count = disklabel.d_ntracks;
247 					geometry->cylinder_count = disklabel.d_ncylinders;
248 					geometry->sectors_per_track = disklabel.d_nsectors;
250 					geometry->bytes_per_sector = disklabel.d_secsize;
253 					geometry->device_type = FSSH_B_DISK;
254 					geometry->removable = disklabel.d_flags & D_REMOVABLE > 0;
256 					geometry->read_only = false;
258 					geometry->write_once = false;
266 				// geometry directly
282 					geometry->head_count = 4;
283 					geometry->sectors_per_track = 63;
284 					geometry->cylinder_count = mediaSize / geometry->head_count
285 						/ geometry->sectors_per_track;
287 					while (geometry->cylinder_count > 1024
288 						&& geometry->head_count < 256) {
289 						geometry->head_count *= 2;
290 						geometry->cylinder_count /= 2;
293 					if (geometry->head_count == 256) {
294 						geometry->head_count = 255;
295 						geometry->cylinder_count = mediaSize
296 							/ geometry->head_count
297 							/ geometry->sectors_per_track;
301 							&geometry->bytes_per_sector) != 0) {
312 					geometry->read_only = !isWritable;
315 					geometry->device_type = FSSH_B_DISK;
316 					geometry->removable = false;
317 					geometry->write_once = false;