1/*-
2 * Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
3 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/param.h>
29#include <sys/linker.h>
30
31#include <machine/md_var.h>
32#include <machine/metadata.h>
33#include <machine/elf.h>
34
35#include <stand.h>
36
37#include <efi.h>
38#include <efilib.h>
39
40#include "bootstrap.h"
41#include "loader_efi.h"
42
43extern int bi_load(char *, vm_offset_t *, vm_offset_t *, bool);
44
45static int
46__elfN(arm_load)(char *filename, uint64_t dest,
47    struct preloaded_file **result)
48{
49	int r;
50
51	r = __elfN(loadfile)(filename, dest, result);
52	if (r != 0)
53		return (r);
54
55	return (0);
56}
57
58static int
59__elfN(arm_exec)(struct preloaded_file *fp)
60{
61	struct file_metadata *fmp;
62	vm_offset_t modulep, kernend;
63	Elf_Ehdr *e;
64	int error;
65	void (*entry)(void *);
66
67	if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
68		return (EFTYPE);
69
70	e = (Elf_Ehdr *)&fmp->md_data;
71
72	efi_time_fini();
73
74	entry = efi_translate(e->e_entry);
75
76	printf("Kernel entry at %p...\n", entry);
77	printf("Kernel args: %s\n", fp->f_args);
78
79	if ((error = bi_load(fp->f_args, &modulep, &kernend, true)) != 0) {
80		efi_time_init();
81		return (error);
82	}
83
84	/* At this point we've called ExitBootServices, so we can't call
85	 * printf or any other function that uses Boot Services */
86
87	dev_cleanup();
88
89	(*entry)((void *)modulep);
90	panic("exec returned");
91}
92
93static struct file_format arm_elf = {
94	__elfN(arm_load),
95	__elfN(arm_exec)
96};
97
98struct file_format *file_formats[] = {
99	&arm_elf,
100	NULL
101};
102
103