xref: /freebsd/sys/riscv/include/metadata.h (revision d37eb51047221dc3322b34db1038ff3aa533883f)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2020 Mitchell Horne <mhorne@FreeBSD.org>
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 #ifndef _MACHINE_METADATA_H_
29 #define	_MACHINE_METADATA_H_
30 
31 #define	MODINFOMD_DTBP		0x1001
32 #define	MODINFOMD_EFI_MAP	0x1002
33 
34 struct efi_map_header {
35 	size_t		memory_size;
36 	size_t		descriptor_size;
37 	uint32_t	descriptor_version;
38 };
39 
40 /*
41  * Placeholder for now
42  */
43 struct efi_fb {
44 	uint64_t	fb_addr;
45 	uint64_t	fb_size;
46 	uint32_t	fb_height;
47 	uint32_t	fb_width;
48 	uint32_t	fb_stride;
49 	uint32_t	fb_mask_red;
50 	uint32_t	fb_mask_green;
51 	uint32_t	fb_mask_blue;
52 	uint32_t	fb_mask_reserved;
53 };
54 
55 #endif /* !_MACHINE_METADATA_H_ */
56