36 /* Define to 0 to omit serial support */
49 #define DO_SIO (0)
54 #define ARGS		0x900
57 #define MEM_BASE	0x12
58 #define MEM_EXT 	0x15
60 #define DRV_HARD	0x80
61 #define DRV_MASK	0x7f
63 #define TYPE_AD		0
155 	return (0);  in xfsread()
166 		switch (c = xgetc(0)) {  in getstr()
167 		case 0:  in getstr()
178 			*s = 0;  in getstr()
192 	v86.addr = 0x10;  in putc()
193 	v86.eax = 0xe00 | (c & 0xff);  in putc()
194 	v86.ebx = 0x7;  in putc()
205 	dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base);  in main()
222 		cmd[nbyte] = '\0';  in main()
228 			autoboot = 0;  in main()
232 		*cmd = 0;  in main()
263 		autoboot = 0;  in main()
302 		addr = hdr.ex.a_entry & 0xffffff;  in load()
312 		for (j = k = 0; k < hdr.eh.e_phnum && j < 2; k++) {  in load()
313 			if (xfsread(ino, ep + j, sizeof(ep[0])))  in load()
318 		for (i = 0; i < 2; i++) {  in load()
319 			p = PTOV(ep[i].p_paddr & 0xffffff);  in load()
327 			fs_off = hdr.eh.e_shoff + sizeof(es[0]) *  in load()
331 			for (i = 0; i < 2; i++) {  in load()
340 		addr = hdr.eh.e_entry & 0xffffff;  in load()
351 	    0, 0, 0, VTOP(&bootinfo));  in load()
371 			*p++ = 0;  in parse()
375 					if (*(uint8_t *)PTOV(0x496) & 0x10) {  in parse()
386 					j = 0;  in parse()
387 					while ((u_int)(i = *arg++ - '0') <= 9)  in parse()
389 					if (j > 0 && i == -'0') {  in parse()
399 				for (i = 0; c != optstr[i]; i++)  in parse()
408 				if (sio_init(115200 / comspeed) != 0)  in parse()
417 					drv = *arg - '0';  in parse()
424 				for (i = 0; arg[0] != dev_nm[i][0] ||  in parse()
430 				dsk.unit = *arg - '0';  in parse()
436 					dsk.slice = *arg - '0' + 1;  in parse()
450 				    ? DRV_HARD : 0) + drv;  in parse()
451 				dsk_meta = 0;  in parse()
454 			if (k > 0) {  in parse()
463 	return (0);  in parse()
478 		dsk.start = 0;  in dskread()
484 			for (i = 0; i < NDOSPART; i++)  in dskread()
486 				    (dp[i].dp_flag & 0x80 || sl < BASE_SLICE)) {  in dskread()
488 					if (dp[i].dp_flag & 0x80 ||  in dskread()
558 					*s++ = '0' + u % 10U;  in printf()
583 	static unsigned c = 0x2d5c7c2f;  in drvread()
599 		printf("error %u lba %u\n", v86.eax >> 8 & 0xff, lba);  in drvread()
602 	return (0);  in drvread()
611 		return (0);  in keyhit()
612 	t0 = 0;  in keyhit()
616 		t1 = *(uint32_t *)PTOV(0x46c);  in keyhit()
620 			return (0);  in keyhit()
639 	v86.addr = 0x16;  in getc()
642 	return (fn == 0 ? v86.eax & 0xff : !V86_ZR(v86.efl));  in getc()
650 		return (0);  in xgetc()
653 			return (fn ? 1 : getc(0));  in xgetc()
657 			return (0);  in xgetc()