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exec_mvme.c revision 1.11 
      1 /*	$NetBSD: exec_mvme.c,v 1.11 2000/12/02 17:28:08 scw 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
     36  */
     37 
     38 #include <sys/param.h>
     39 #include <sys/reboot.h>
     40 #include <machine/prom.h>
     41 
     42 #include "loadfile.h"
     43 
     44 #include "stand.h"
     45 #include "libsa.h"
     46 
     47 /* These must agree with what locore.s expects */
     48 #define	KERN_LOADADDR	0x0
     49 typedef void (*kentry_t)(int, u_int, u_int, u_int, int, u_long);
     50 
     51 
     52 /*ARGSUSED*/
     53 void
     54 exec_mvme(file, flag, part)
     55 	char	*file;
     56 	int	flag;
     57 	int	part;
     58 {
     59 	kentry_t	entry;
     60 	u_long		marks[MARK_MAX];
     61 	int		fd;
     62 	int		lflags;
     63 
     64 	lflags = LOAD_KERNEL;
     65 	if ((flag & RB_NOSYM) != 0 )
     66 		lflags &= ~LOAD_SYM;
     67 
     68 	marks[MARK_START] = KERN_LOADADDR;
     69 	if ((fd = loadfile(file, marks, lflags)) == -1)
     70 		return;
     71 	close(fd);
     72 
     73 	marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
     74 	    (-sizeof(int));
     75 
     76 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
     77 	    marks[MARK_ENTRY], marks[MARK_NSYM],
     78 	    marks[MARK_SYM], marks[MARK_END]);
     79 
     80 	entry = (kentry_t) marks[MARK_ENTRY];
     81 
     82 	(*entry)(flag, bugargs.ctrl_addr, bugargs.ctrl_lun, bugargs.dev_lun,
     83 	    part, marks[MARK_END]);
     84 
     85 	printf("exec: kernel returned!\n");
     86 	return;
     87 }
     88