dev = (AT_MAJOR << MAJOR) | minors[i];
- /* 1. The drive should be a CD - which is not write-openable.
- * Check for this.
+ /* Open device readonly. (This fails if the device
+ * is also writable, which a CD isn't.)
*/
- if((r = dev_open(dev, FS_PROC_NR, R_BIT|W_BIT)) == OK) {
- printf("%d. no - can open r/w, so no cd\n", i);
- dev_close(dev);
- continue;
- }
- printf("passed no-r/w test ", i);
-
- /* 2. The drive should be a CD. Open whole drive and
- * check for the PVD.
- */
- if((r = dev_open(dev, FS_PROC_NR, R_BIT)) != OK) {
- printf("%d. no - can't open readonly\n", i);
+ printf("%d", i);
+ if((r = dev_open(dev, FS_PROC_NR, RO_BIT)) != OK) {
+ printf("ro", i);
continue;
}
- printf("%d. passed open-readonly test ", i);
if((r = dev_io(DEV_READ, dev, FS_PROC_NR, pvd,
16*CD_SECTOR, sizeof(pvd), 0)) != sizeof(pvd)) {
- printf("%d. no - can't read pvd (%d)\n", i, r);
+ printf("rpvd", i);
dev_close(dev);
continue;
}
dev_close(dev);
- printf("%d. passed read pvd test ", i);
/* Check PVD ID. */
if(pvd[0] != 1 || pvd[1] != 'C' || pvd[2] != 'D' ||
pvd[3] != '0' || pvd[4] != '0' || pvd[5] != '1' || pvd[6] != 1 ||
strncmp(pvd + 40, "MINIX", 5)) {
- printf("%d. no - cd signature or minix label not found\n", i, r);
+ printf("vpvd", i, r);
continue;
}
- printf("%d. pvd id test ", i);
/* 3. Both c0dXp1 and p2 should have a superblock. */
for(minor = minors[i]+2; minor <= minors[i]+3; minor++) {
dev = (AT_MAJOR << MAJOR) | minor;
if((r = dev_open(dev, FS_PROC_NR, R_BIT)) != OK) {
- printf("%d. no - couldn't open subdev %d\n", i, dev);
+ printf("[o%d]\n", minor);
break;
}
probe_super.s_dev = dev;
r = read_super(&probe_super);
dev_close(dev);
if(r != OK) {
- printf("%d. subdev %d doesn't contain a superblock\n", i, dev);
+ printf("fs[%d]", minor);
break;
}
- printf("%d. (%d) passed superblock test ", i, minor);
}
if(minor > minors[i]+3) {
/* Success? Then set dev to p1. */
dev = (AT_MAJOR << MAJOR) | (minors[i]+2);
found = 1;
- printf("%d. YES - passed all tests, root is %d\n", i, dev);
break;
- } else printf("%d. no superblock(s)\n", i);
- }
-
- if(!found) {
- return NO_DEV;
+ }
}
+ printf("\n");
- printf("\nCD probing done.\n");
+ if(!found) return NO_DEV;
return dev;
}