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

   1 /*      $NetBSD: exec_mvme.c,v 1.4 2008/04/28 20:23:30 martin 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 }