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[FreeBSD/releng/10.2.git] / sys / boot / usb / tools / sysinit.h
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2013 Hans Petter Selasky. 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
27 #ifndef _SYSINIT_H_
28 #define _SYSINIT_H_
29
30 struct sysinit_data {
31         uint8_t b_keyword_name[64];
32         uint8_t b_debug_info[128];
33         uint8_t b_global_type[128];
34         uint8_t b_global_name[128];
35         uint8_t b_file_name[256];
36         uint32_t dw_endian32;
37         uint32_t dw_msb_value;          /* must be non-zero, else entry is skipped */
38         uint32_t dw_lsb_value;
39         uint32_t dw_file_line;
40 }       __attribute__((__packed__));
41
42 #define SYSINIT_ENTRY(uniq, keyword, msb, lsb, g_type, g_name, debug)   \
43         static const struct sysinit_data sysinit_##uniq                 \
44         __attribute__((__section__(".debug.sysinit"),                   \
45                 __used__, __aligned__(1))) = {                          \
46         .b_keyword_name = { keyword },                                  \
47         .b_debug_info = { debug },                                      \
48         .b_global_type = { g_type },                                    \
49         .b_global_name = { g_name },                                    \
50         .b_file_name = { __FILE__ },                                    \
51         .dw_endian32 = 0x76543210U,                                     \
52         .dw_msb_value = (msb),                                          \
53         .dw_lsb_value = (lsb),                                          \
54         .dw_file_line = __LINE__                                        \
55 }
56
57 #endif                          /* _SYSINIT_H_ */