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/*-
* Copyright (c) 2001 Benno Rice <benno@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/linker.h>
#include <machine/bootinfo.h>
#include <machine/elf.h>
#include <stand.h>
#include "bootstrap.h"
#include "libofw.h"
#include "openfirm.h"
extern char end[];
extern vm_offset_t reloc; /* From <arch>/conf.c */
int
ofw_elf_loadfile(char *filename, vm_offset_t dest,
struct preloaded_file **result)
{
int r;
void *addr;
r = elf_loadfile(filename, dest, result);
if (r != 0)
return (r);
addr = OF_claim((void *)(*result)->f_addr, (*result)->f_size, 0);
if (addr == (void *)-1 || addr != (void *)(*result)->f_addr)
return (ENOMEM);
return (0);
}
int
ofw_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 0
if ((err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop)) != 0)
return(err);
#endif
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 */
#if 0
bi = (struct bootinfo *)PTOV(bootinfop);
bi->bi_symtab = ssym;
bi->bi_esymtab = esym;
#endif
/*
#ifdef DEBUG
*/
printf("Start @ 0x%lx ...\n", entry);
/*
#endif
*/
dev_cleanup();
ofw_release_heap();
/* OF_chain(0, 0, entry, bootinfop, sizeof(struct bootinfo));*/
OF_chain((void *)reloc, end - (char *)reloc, (void *)entry, NULL, 0);
panic("exec returned");
}
struct file_format ofw_elf =
{
ofw_elf_loadfile,
ofw_elf_exec
};
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