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
48 int
__elfN(arm_load)49 __elfN(arm_load)(char *filename, u_int64_t dest,
50 struct preloaded_file **result)
51 {
52 int r;
53
54 r = __elfN(loadfile)(filename, dest, result);
55 if (r != 0)
56 return (r);
57
58 return (0);
59 }
60
61 int
__elfN(arm_exec)62 __elfN(arm_exec)(struct preloaded_file *fp)
63 {
64 struct file_metadata *fmp;
65 vm_offset_t modulep, kernend;
66 Elf_Ehdr *e;
67 int error;
68 void (*entry)(void *);
69 EFI_STATUS status;
70
71 if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
72 return (EFTYPE);
73
74 e = (Elf_Ehdr *)&fmp->md_data;
75
76 if ((error = bi_load(fp->f_args, &modulep, &kernend)) != 0)
77 return (error);
78
79 entry = efi_translate(e->e_entry);
80 printf("Kernel entry at 0x%x...\n", (unsigned)entry);
81 printf("Kernel args: %s\n", fp->f_args);
82 printf("modulep: %#x\n", modulep);
83 printf("relocation_offset %llx\n", __elfN(relocation_offset));
84
85 dev_cleanup();
86
87 (*entry)((void *)modulep);
88 panic("exec returned");
89 }
90
91 static struct file_format arm_elf = {
92 __elfN(arm_load),
93 __elfN(arm_exec)
94 };
95
96 struct file_format *file_formats[] = {
97 &arm_elf,
98 NULL
99 };
100
101