xref: /openbsd/sys/arch/luna88k/stand/boot/exec.c (revision 8352e4cb)

/*	$OpenBSD: exec.c,v 1.1 2023/01/10 17:10:57 miod Exp $	*/
/*	$NetBSD: boot.c,v 1.3 2013/03/05 15:34:53 tsutsui Exp $	*/

/*
 * Copyright (c) 1992 OMRON Corporation.
 *
 * This code is derived from software contributed to Berkeley by
 * OMRON Corporation.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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
 */
/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * OMRON Corporation.
 *
 * 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 <luna88k/stand/boot/samachdep.h>
#include <lib/libsa/loadfile.h>

#define	BOOT_MAGIC	0xf1abde3f

void (*cpu_boot)(uint32_t, uint32_t, uint32_t, uint32_t);
uint32_t cpu_bootarg1;
uint32_t cpu_bootarg2;
uint32_t cpu_bootarg3;
uint32_t cpu_bootarg4;

void
run_loadfile(uint64_t *marks, int howto)
{
#ifdef DEBUG
	printf("entry = 0x%lx\n", marks[MARK_ENTRY]);
	printf("ssym  = 0x%lx\n", marks[MARK_SYM]);
	printf("esym  = 0x%lx\n", marks[MARK_END]);
#endif

	cpu_bootarg1 = BOOT_MAGIC;
	cpu_bootarg2 = (uint32_t)marks[MARK_END];
	cpu_bootarg3 = bootdev;		/* set by devopen */
	cpu_bootarg4 = howto;
#ifdef DEBUG
	printf("bootarg: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
	    cpu_bootarg1, cpu_bootarg2, cpu_bootarg3, howto);
#endif
	cpu_boot = (void (*)(uint32_t, uint32_t, uint32_t, uint32_t))
	    (uint32_t)marks[MARK_ENTRY];
	(*cpu_boot)(cpu_bootarg1, cpu_bootarg2, cpu_bootarg3, cpu_bootarg4);
}