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/cdefs.h>
29 __FBSDID("$FreeBSD$");
30
31 #include <sys/param.h>
32 #include <sys/linker.h>
33
34 #include <machine/md_var.h>
35 #include <machine/metadata.h>
36 #include <machine/elf.h>
37
38 #include <stand.h>
39
40 #include <efi.h>
41 #include <efilib.h>
42
43 #include "bootstrap.h"
44 #include "loader_efi.h"
45
46 extern vm_offset_t md_load(char *, vm_offset_t *);
47 extern int bi_load(char *, vm_offset_t *, vm_offset_t *);
48
49 static int
__elfN(arm_load)50 __elfN(arm_load)(char *filename, u_int64_t dest,
51 struct preloaded_file **result)
52 {
53 int r;
54
55 r = __elfN(loadfile)(filename, dest, result);
56 if (r != 0)
57 return (r);
58
59 return (0);
60 }
61
62 static int
__elfN(arm_exec)63 __elfN(arm_exec)(struct preloaded_file *fp)
64 {
65 struct file_metadata *fmp;
66 vm_offset_t modulep, kernend;
67 Elf_Ehdr *e;
68 int error;
69 void (*entry)(void *);
70
71 if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
72 return (EFTYPE);
73
74 e = (Elf_Ehdr *)&fmp->md_data;
75
76 efi_time_fini();
77 if ((error = bi_load(fp->f_args, &modulep, &kernend)) != 0) {
78 efi_time_init();
79 return (error);
80 }
81
82 entry = efi_translate(e->e_entry);
83 printf("Kernel entry at 0x%x...\n", (unsigned)entry);
84 printf("Kernel args: %s\n", fp->f_args);
85 printf("modulep: %#x\n", modulep);
86 printf("relocation_offset %llx\n", __elfN(relocation_offset));
87
88 dev_cleanup();
89
90 (*entry)((void *)modulep);
91 panic("exec returned");
92 }
93
94 static struct file_format arm_elf = {
95 __elfN(arm_load),
96 __elfN(arm_exec)
97 };
98
99 struct file_format *file_formats[] = {
100 &arm_elf,
101 NULL
102 };
103
104