xref: /freebsd/stand/kshim/sysinit.h (revision f7c32ed617858bcd22f8d1b03199099d50125721)
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_ */
58