Home | History | Annotate | Line # | Download | only in libsa
exec_mvme.c revision 1.13 
      1 /*	$NetBSD: exec_mvme.c,v 1.13 2005/06/28 21:03:02 junyoung 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/reboot.h>
     36 #include <machine/prom.h>
     37 
     38 #include "loadfile.h"
     39 
     40 #include <lib/libsa/stand.h>
     41 #include "libsa.h"
     42 
     43 /* These must agree with what locore.s expects */
     44 #define	KERN_LOADADDR	0x0
     45 typedef void (*kentry_t)(int, u_int, u_int, u_int, int, u_long);
     46 
     47 
     48 /*ARGSUSED*/
     49 void
     50 exec_mvme(file, flag, part)
     51 	char	*file;
     52 	int	flag;
     53 	int	part;
     54 {
     55 	kentry_t	entry;
     56 	u_long		marks[MARK_MAX];
     57 	int		fd;
     58 	int		lflags;
     59 
     60 	lflags = LOAD_KERNEL;
     61 	if ((flag & RB_NOSYM) != 0 )
     62 		lflags &= ~LOAD_SYM;
     63 
     64 	marks[MARK_START] = KERN_LOADADDR;
     65 	if ((fd = loadfile(file, marks, lflags)) == -1)
     66 		return;
     67 	close(fd);
     68 
     69 	marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
     70 	    (-sizeof(int));
     71 
     72 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
     73 	    marks[MARK_ENTRY], marks[MARK_NSYM],
     74 	    marks[MARK_SYM], marks[MARK_END]);
     75 
     76 	entry = (kentry_t) marks[MARK_ENTRY];
     77 
     78 	(*entry)(flag, bugargs.ctrl_addr, bugargs.ctrl_lun, bugargs.dev_lun,
     79 	    part, marks[MARK_END]);
     80 
     81 	printf("exec: kernel returned!\n");
     82 	return;
     83 }
     84