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/* $OpenBSD: exec_mvme.c,v 1.8 2004/01/29 21:30:04 miod Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)boot.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/param.h>
#include <sys/reboot.h>
#include <sys/exec_elf.h>
#include <machine/prom.h>
#include <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>
#include <lib/libsa/loadfile.h>
#include "libsa.h"
/*ARGSUSED*/
void
exec_mvme(file, flag)
char *file;
int flag;
{
int fd;
u_long marks[MARK_MAX];
void (*entry)();
u_long *entryp;
void *esym;
int bootdev;
#ifdef DEBUG
printf("exec_mvme: file=%s flag=0x%x cputyp=%x\n", file, flag, bugargs.cputyp);
#endif
fd = open(file, 0);
if (fd < 0)
return;
printf("Booting %s...", file);
marks[MARK_START] = 0;
if (loadfile(file, marks, LOAD_ALL) >= 0) {
close(fd);
entryp = (u_long *)&entry;
*entryp = marks[MARK_ENTRY];
esym = (void *)marks[MARK_END];
printf("Start @ 0x%x\n", (unsigned int)entry);
printf("Controller Address 0x%x\n", bugargs.ctrl_addr);
if (flag & RB_HALT)
mvmeprom_return();
bootdev = (bugargs.ctrl_lun << 8) | (bugargs.dev_lun & 0xFF);
/*
* Arguments to start on mvmeppc:
* r1 - stack provided by firmware/bootloader
* r3 - boot flags
* r4 - boot device
* r5 - firmware pointer (NULL for PPC1bug)
* r6 - arg list
* r7 - arg list length
* r8 - end of symbol table
*/
/* r3 r4 r5 r6 r7 r8 */
(*entry)(flag, bootdev, NULL, NULL, 0, esym);
printf("exec: kernel returned!\n");
} else {
close(fd);
}
}
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