Home | History | Annotate | Line # | Download | only in uboot 
      1 /*	$NetBSD: uboot.c,v 1.18 2022/12/11 06:20:08 tsutsui Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1982, 1986, 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)boot.c	8.1 (Berkeley) 6/10/93
     32  */
     33 
     34 #include <sys/param.h>
     35 #include <sys/boot_flag.h>
     36 
     37 #include <lib/libsa/stand.h>
     38 #include <lib/libkern/libkern.h>
     39 
     40 #include <hp300/stand/common/samachdep.h>
     41 
     42 /*
     43  * Boot program... bits in `howto' determine whether boot stops to
     44  * ask for system name.	 Boot device is derived from ROM provided
     45  * information.
     46  */
     47 
     48 char line[100];
     49 
     50 /*
     51  * XXX UFS accepts a /, NFS doesn't.
     52  */
     53 char *name;
     54 char *names[] = {
     55 	"netbsd",		"netbsd.gz",
     56 	"netbsd.bak",		"netbsd.bak.gz",
     57 	"netbsd.old",		"netbsd.old.gz",
     58 	"onetbsd",		"onetbsd.gz",
     59 	NULL
     60 };
     61 #define NUMNAMES	(sizeof(names) / sizeof(char *))
     62 
     63 static int bdev, badapt, bctlr, bunit, bpart;
     64 
     65 void main(void);
     66 void getbootdev(int *);
     67 
     68 void
     69 main(void)
     70 {
     71 	int currname = 0;
     72 
     73 	printf("\n");
     74 	printf(">> %s, Revision %s (from NetBSD %s)\n",
     75 	    bootprog_name, bootprog_rev, bootprog_kernrev);
     76 	printf(">> HP 9000/%s SPU\n", getmachineid());
     77 	printf(">> Enter \"reset\" to reset system.\n");
     78 
     79 	bdev   = B_TYPE(bootdev);
     80 	badapt = B_ADAPTOR(bootdev);
     81 	bctlr  = B_CONTROLLER(bootdev);
     82 	bunit  = B_UNIT(bootdev);
     83 	bpart  = B_PARTITION(bootdev);
     84 
     85 	for (;;) {
     86 		name = names[currname++];
     87 		if (currname == NUMNAMES)
     88 			currname = 0;
     89 
     90 		if (!noconsole) {
     91 			howto = 0;
     92 			getbootdev(&howto);
     93 		} else
     94 			printf(": %s\n", name);
     95 		exec_hp300(name, (u_long)lowram, howto);
     96 		printf("boot: %s\n", strerror(errno));
     97 	}
     98 }
     99 
    100 void
    101 getbootdev(int *howto)
    102 {
    103 	char c, *ptr = line;
    104 
    105 	printf("Boot: [[[%s%d%c:]%s][-a][-c][-d][-s][-v][-q]] :- ",
    106 	    devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name);
    107 
    108 	if (tgets(line, sizeof(line))) {
    109 		if (strcmp(line, "reset") == 0) {
    110 			call_req_reboot();      /* reset machine */
    111 			printf("panic: can't reboot, halting\n");
    112 			__asm("stop #0x2700");
    113 		}
    114 		while ((c = *ptr) != '\0') {
    115 			while (c == ' ')
    116 				c = *++ptr;
    117 			if (!c)
    118 				return;
    119 			if (c == '-')
    120 				while ((c = *++ptr) && c != ' ')
    121 					BOOT_FLAG(c, *howto);
    122 			else {
    123 				name = ptr;
    124 				while ((c = *++ptr) && c != ' ');
    125 				if (c)
    126 					*ptr++ = 0;
    127 			}
    128 		}
    129 	} else
    130 		printf("\n");
    131 }
    132