xref: /freebsd/stand/kshim/sysinit.h (revision 2a63c3be158216222d89a073dcbd6a72ee4aab5a)
1 /*-
2  * Copyright (c) 2013 Hans Petter Selasky. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #ifndef _SYSINIT_H_
27 #define	_SYSINIT_H_
28 
29 struct sysinit_data {
30 	uint8_t	b_keyword_name[64];
31 	uint8_t	b_debug_info[128];
32 	uint8_t	b_global_type[128];
33 	uint8_t	b_global_name[128];
34 	uint8_t	b_file_name[256];
35 	uint32_t dw_endian32;
36 	uint32_t dw_msb_value;		/* must be non-zero, else entry is skipped */
37 	uint32_t dw_lsb_value;
38 	uint32_t dw_file_line;
39 }	__attribute__((__packed__));
40 
41 #define	SYSINIT_ENTRY(uniq, keyword, msb, lsb, g_type, g_name, debug)	\
42 	static const struct sysinit_data sysinit_##uniq			\
43 	__attribute__((__section__(".debug.sysinit"),			\
44 		__used__, __aligned__(1))) = {				\
45 	.b_keyword_name = { keyword },					\
46 	.b_debug_info = { debug },					\
47 	.b_global_type = { g_type },					\
48 	.b_global_name = { g_name },					\
49 	.b_file_name = { __FILE__ },					\
50 	.dw_endian32 = 0x76543210U,					\
51 	.dw_msb_value = (msb),						\
52 	.dw_lsb_value = (lsb),						\
53 	.dw_file_line = __LINE__					\
54 }
55 
56 #endif				/* _SYSINIT_H_ */
57