1/*-
2 * Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/boot/ofw/libofw/elf_freebsd.c 100318 2002-07-18 12:39:02Z benno $
27 */
28
29#include <sys/param.h>
30#include <sys/linker.h>
31
32#include <machine/metadata.h>
33#include <machine/elf.h>
34
35#include <stand.h>
36
37#include "bootstrap.h"
38#include "libofw.h"
39#include "openfirm.h"
40
41extern char end[];
42extern vm_offset_t reloc; /* From <arch>/conf.c */
43
44int
45ofw_elf_loadfile(char *filename, vm_offset_t dest,
46 struct preloaded_file **result)
47{
48 int r;
49 void *addr;
50
51 r = elf_loadfile(filename, dest, result);
52 if (r != 0)
53 return (r);
54
55 return (0);
56}
57
58int
59ofw_elf_exec(struct preloaded_file *fp)
60{
61 struct file_metadata *fmp;
62 vm_offset_t mdp;
63 Elf_Ehdr *e;
64 int error;
65
66 if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
67 return(EFTYPE);
68 }
69 e = (Elf_Ehdr *)&fmp->md_data;
70
71 if ((error = md_load(fp->f_args, &mdp)) != 0)
72 return (error);
73
74 printf("Kernel entry at 0x%lx ...\n", e->e_entry);
75
76 dev_cleanup();
77 ofw_release_heap();
78 OF_chain((void *)reloc, end - (char *)reloc, (void *)e->e_entry,
79 (void *)mdp, sizeof(mdp));
80
81 panic("exec returned");
82}
83
84struct file_format ofw_elf =
85{
86 ofw_elf_loadfile,
87 ofw_elf_exec
88};