sys/arch/mvme68k/stand/libsa/exec_mvme.c

   1 /*      $NetBSD: exec_mvme.c,v 1.14 2005/12/11 12:18:19 christos 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(char *file, int flag, int part)
  51 {
  52         kentry_t        entry;
  53         u_long          marks[MARK_MAX];
  54         int             fd;
  55         int             lflags;
  56
  57         lflags = LOAD_KERNEL;
  58         if ((flag & RB_NOSYM) != 0 )
  59                 lflags &= ~LOAD_SYM;
  60
  61         marks[MARK_START] = KERN_LOADADDR;
  62         if ((fd = loadfile(file, marks, lflags)) == -1)
  63                 return;
  64         close(fd);
  65
  66         marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
  67             (-sizeof(int));
  68
  69         printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
  70             marks[MARK_ENTRY], marks[MARK_NSYM],
  71             marks[MARK_SYM], marks[MARK_END]);
  72
  73         entry = (kentry_t)marks[MARK_ENTRY];
  74
  75         (*entry)(flag, bugargs.ctrl_addr, bugargs.ctrl_lun, bugargs.dev_lun,
  76             part, marks[MARK_END]);
  77
  78         printf("exec: kernel returned!\n");
  79 }