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/*-
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/exec.h>
#include <sys/linker.h>
#include <string.h>
#include <machine/bootinfo.h>
#include <machine/elf.h>
#include <stand.h>
#include "bootstrap.h"
#include "libi386.h"
#include "btxv86.h"
static int elf_exec(struct preloaded_file *amp);
struct file_format i386_elf = { elf_loadfile, elf_exec };
/*
* There is an a.out kernel and one or more a.out modules loaded.
* We wish to start executing the kernel image, so make such
* preparations as are required, and do so.
*/
static int
elf_exec(struct preloaded_file *fp)
{
struct file_metadata *md;
Elf_Ehdr *ehdr;
vm_offset_t entry, bootinfop;
int boothowto, err, bootdev;
struct bootinfo *bi;
vm_offset_t ssym, esym;
if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
return(EFTYPE); /* XXX actually EFUCKUP */
ehdr = (Elf_Ehdr *)&(md->md_data);
if ((err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop)) != 0)
return(err);
entry = ehdr->e_entry & 0xffffff;
ssym = esym = 0;
if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL)
ssym = *((vm_offset_t *)&(md->md_data));
if ((md = file_findmetadata(fp, MODINFOMD_ESYM)) != NULL)
esym = *((vm_offset_t *)&(md->md_data));
if (ssym == 0 || esym == 0)
ssym = esym = 0; /* sanity */
bi = (struct bootinfo *)PTOV(bootinfop);
bi->bi_symtab = ssym; /* XXX this is only the primary kernel symtab */
bi->bi_esymtab = esym;
#ifdef DEBUG
printf("Start @ 0x%lx ...\n", entry);
#endif
dev_cleanup();
__exec((void *)entry, boothowto, bootdev, 0, 0, 0, bootinfop);
panic("exec returned");
}
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