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      1 /*	$NetBSD: exec_mvme.c,v 1.5 2009/03/14 15:36:11 dsl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Steve C. Woodford.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*-
     33  * Copyright (c) 1982, 1986, 1990, 1993
     34  *	The Regents of the University of California.  All rights reserved.
     35  *
     36  * Redistribution and use in source and binary forms, with or without
     37  * modification, are permitted provided that the following conditions
     38  * are met:
     39  * 1. Redistributions of source code must retain the above copyright
     40  *    notice, this list of conditions and the following disclaimer.
     41  * 2. Redistributions in binary form must reproduce the above copyright
     42  *    notice, this list of conditions and the following disclaimer in the
     43  *    documentation and/or other materials provided with the distribution.
     44  * 3. Neither the name of the University nor the names of its contributors
     45  *    may be used to endorse or promote products derived from this software
     46  *    without specific prior written permission.
     47  *
     48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     58  * SUCH DAMAGE.
     59  *
     60  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
     61  */
     62 
     63 #include <sys/param.h>
     64 #include <sys/reboot.h>
     65 
     66 #include <machine/bootinfo.h>
     67 
     68 #include "loadfile.h"
     69 
     70 #include "stand.h"
     71 #include "libsa.h"
     72 
     73 /* These must agree with what locore.s expects */
     74 #define	KERN_LOADADDR	0x0
     75 typedef void (*kentry_t)(u_int, u_int, struct mvmeppc_bootinfo *);
     76 
     77 
     78 /*ARGSUSED*/
     79 void
     80 exec_mvme(const char *file, int flag, int part)
     81 {
     82 	kentry_t	entry;
     83 	u_long		marks[MARK_MAX];
     84 	int		fd;
     85 	int		lflags;
     86 
     87 	lflags = LOAD_KERNEL;
     88 #if 0
     89 	if ((flag & RB_NOSYM) != 0 )
     90 		lflags &= ~LOAD_SYM;
     91 #endif
     92 
     93 	marks[MARK_START] = KERN_LOADADDR;
     94 	if ((fd = loadfile(file, marks, lflags)) == -1)
     95 		return;
     96 	close(fd);
     97 
     98 	marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
     99 	    (-sizeof(int));
    100 
    101 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
    102 	    marks[MARK_ENTRY], marks[MARK_NSYM],
    103 	    marks[MARK_SYM], marks[MARK_END]);
    104 
    105 	entry = (kentry_t) marks[MARK_ENTRY];
    106 
    107 	(*entry)(marks[MARK_SYM], marks[MARK_END], &bootinfo);
    108 
    109 	printf("exec: kernel returned!\n");
    110 	return;
    111 }
    112