1 /*-
132 	while (len--)  in memcpy()
141 	return ((unsigned char)*s1 - (unsigned char)*s2);  in strcmp()
153 		return (-1);  in xfsread()
172 				s--;  in getstr()
181 			if (s - cmd < sizeof(cmd) - 1)  in getstr()
205 	dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base);  in main()
221 		nbyte = fsread(ino, cmd, sizeof(cmd) - 1);  in main()
236 	 * Try to exec stage 3 boot loader. If interrupted by a keypress,  in main()
252 			printf("\nFreeBSD/x86 boot\n"  in main()
254 				 "boot: ",  in main()
271 /* XXX - Needed for btxld to link the boot2 binary; do not remove. */
372 		if (c == '-') {  in parse()
387 					while ((u_int)(i = *arg++ - '0') <= 9)  in parse()
389 					if (j > 0 && i == -'0') {  in parse()
400 					if (i == NOPT - 1)  in parse()
401 						return (-1);  in parse()
413 			for (q = arg--; *q && *q != '('; q++);  in parse()
415 				drv = -1;  in parse()
417 					drv = *arg - '0';  in parse()
419 						return (-1);  in parse()
422 				if (q - arg != 2)  in parse()
423 					return (-1);  in parse()
426 					if (i == NDEV - 1)  in parse()
427 						return (-1);  in parse()
430 				dsk.unit = *arg - '0';  in parse()
432 					return (-1);  in parse()
436 					dsk.slice = *arg - '0' + 1;  in parse()
438 						return (-1);  in parse()
442 					return (-1);  in parse()
443 				dsk.part = *arg - 'a';  in parse()
445 					return (-1);  in parse()
447 				if (drv == -1)  in parse()
453 			k = ep - arg;  in parse()
456 					return (-1);  in parse()
474 	const char *reason;  in dskread()  local
477 		sec = dmadat->secbuf;  in dskread()
480 			return (-1);  in dskread()
497 				dp += sl - BASE_SLICE;  in dskread()
498 			if (dp->dp_typ != DOSPTYP_386BSD) {  in dskread()
499 				reason = "slice";  in dskread()
502 			dsk.start = dp->dp_start;  in dskread()
505 			return (-1);  in dskread()
507 		if (d->d_magic != DISKMAGIC || d->d_magic2 != DISKMAGIC) {  in dskread()
509 				reason = "label";  in dskread()
514 				if (d->d_type == DTYPE_SCSI)  in dskread()
518 			if (dsk.part >= d->d_npartitions ||  in dskread()
519 			    !d->d_partitions[dsk.part].p_size) {  in dskread()
520 				reason = "partition";  in dskread()
523 			dsk.start += d->d_partitions[dsk.part].p_offset;  in dskread()
524 			dsk.start -= d->d_partitions[RAW_PART].p_offset;  in dskread()
529 	printf("Invalid %s\n", reason);  in dskread()
530 	return (-1);  in dskread()
560 				while (--s >= buf)  in printf()
600 		return (-1);  in drvread()
619 		if ((uint32_t)(t1 - t0) >= ticks)  in keyhit()