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/* $OpenBSD: exec_i386.c,v 1.24 1998/09/27 17:41:18 mickey Exp $ */
/*
* Copyright (c) 1997-1998 Michael Shalayeff
* Copyright (c) 1997 Tobias Weingartner
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* This product includes software developed by Tobias Weingartner.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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.
*
*/
#include <sys/param.h>
#include <dev/cons.h>
#include <stand/boot/bootarg.h>
#include <machine/biosvar.h>
#include <sys/disklabel.h>
#include "disk.h"
#include "libsa.h"
#include <lib/libsa/exec.h>
typedef void (*startfuncp)(int, int, int, int, int, int, int, int)
__attribute__ ((noreturn));
void
machdep_exec(xp, howto, loadaddr)
struct x_param *xp;
int howto;
void *loadaddr;
{
#ifndef _TEST
#ifdef EXEC_DEBUG
extern int debug;
#endif
dev_t bootdev = bootdev_dip->bootdev;
size_t ac = BOOTARG_LEN;
caddr_t av = (caddr_t)BOOTARG_OFF;
makebootargs(av, &ac);
#ifdef EXEC_DEBUG
if (debug) {
struct exec *x = (void *)loadaddr;
printf("exec {\n\ta_midmag = %x\n\ta_text = %x\n\ta_data = %x\n"
"\ta_bss = %x\n\ta_syms = %x\n\ta_entry = %x\n"
"\ta_trsize = %x\n\ta_drsize = %x\n}\n",
x->a_midmag, x->a_text, x->a_data, x->a_bss, x->a_syms,
x->a_entry, x->a_trsize, x->a_drsize);
printf("/bsd(%x,%u,%p)\n", BOOTARG_APIVER, ac, av);
getchar();
}
#endif
xp->xp_entry &= 0xffffff;
printf("entry point at 0x%x\n", xp->xp_entry);
/* stack and the gung is ok at this point, so, no need for asm setup */
(*(startfuncp)xp->xp_entry)(howto, bootdev, BOOTARG_APIVER,
xp->xp_end, extmem, cnvmem, ac, (int)av);
/* not reached */
#endif
}
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