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      1 /*	$NetBSD: cdboot.c,v 1.1 2014/02/24 07:23:43 skrll 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 /*
     35  * Copyright (c) 1998-2004 Michael Shalayeff
     36  * All rights reserved.
     37  *
     38  * Redistribution and use in source and binary forms, with or without
     39  * modification, are permitted provided that the following conditions
     40  * are met:
     41  * 1. Redistributions of source code must retain the above copyright
     42  *    notice, this list of conditions and the following disclaimer.
     43  * 2. Redistributions in binary form must reproduce the above copyright
     44  *    notice, this list of conditions and the following disclaimer in the
     45  *    documentation and/or other materials provided with the distribution.
     46  *
     47  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     48  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     49  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     50  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     51  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     52  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     53  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     55  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     56  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     57  * THE POSSIBILITY OF SUCH DAMAGE.
     58  *
     59  */
     60 
     61 #include <sys/param.h>
     62 #include <sys/reboot.h>
     63 #include <sys/boot_flag.h>
     64 
     65 #include <arch/hppa/stand/common/libsa.h>
     66 #include <lib/libsa/loadfile.h>
     67 
     68 #include <machine/pdc.h>
     69 #include <machine/vmparam.h>
     70 
     71 #include <arch/hppa/stand/common/dev_hppa.h>
     72 
     73 /*
     74  * Boot program... bits in `howto' determine whether boot stops to
     75  * ask for system name.	 Boot device is derived from ROM provided
     76  * information.
     77  */
     78 
     79 void boot(dev_t boot_dev);
     80 
     81 typedef void (*startfuncp)(int, int, int, int, int, int, void *)
     82     __attribute__ ((noreturn));
     83 
     84 void
     85 boot(dev_t boot_dev)
     86 {
     87 	u_long marks[MARK_MAX];
     88 	u_long loadaddr = 0;
     89 	char path[128];
     90 	int fd;
     91 
     92 	machdep();
     93 #ifdef	DEBUGBUG
     94 	debug = 1;
     95 #endif
     96 	devboot(boot_dev, path);
     97 
     98 	strncpy(path + strlen(path), ":/netbsd", 9);
     99 	printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev);
    100 	printf(">> Booting %s: ", path);
    101 
    102 #define	round_to_size(x) \
    103 	(((x) + sizeof(u_long) - 1) & ~(sizeof(u_long) - 1))
    104 
    105 #define	BOOTARG_APIVER 2
    106 
    107 	marks[MARK_START] = loadaddr;
    108 	if ((fd = loadfile(path, marks, LOAD_KERNEL)) == -1)
    109 		return;
    110 
    111 	marks[MARK_END] = round_to_size(marks[MARK_END] - loadaddr);
    112 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
    113 	    marks[MARK_ENTRY], marks[MARK_NSYM],
    114 	    marks[MARK_SYM], marks[MARK_END]);
    115 
    116 #ifdef EXEC_DEBUG
    117 	if (debug) {
    118 		printf("ep=0x%x [", marks[MARK_ENTRY]);
    119 		for (i = 0; i < 10240; i++) {
    120 			if (!(i % 8)) {
    121 				printf("\b\n%p:", &((u_int *)marks[MARK_ENTRY])[i]);
    122 				if (getchar() != ' ')
    123 					break;
    124 			}
    125 			printf("%x,", ((int *)marks[MARK_ENTRY])[i]);
    126 		}
    127 		printf("\b\b ]\n");
    128 	}
    129 #endif
    130 
    131 	fcacheall();
    132 
    133 	__asm("mtctl %r0, %cr17");
    134 	__asm("mtctl %r0, %cr17");
    135 	/* stack and the gung is ok at this point, so, no need for asm setup */
    136 	(*(startfuncp)(marks[MARK_ENTRY])) ((int)pdc, 0, boot_dev, marks[MARK_END],
    137 				       BOOTARG_APIVER, 0, NULL);
    138 	/* not reached */
    139 }
    140