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#define MODINFOMD_EFI_FB 0x1003
34#define MODINFOMD_BOOT_HARTID 0x1004
35
36/*
37 * This is not the same as the UEFI standard EFI_MEMORY_ATTRIBUTES_TABLE, though
38 * memory_size / descritpr_size entries of EFI_MEMORY_DESCRIPTORS follow this table
39 * starting at a 16-byte alignment.
40 */
41struct efi_map_header {
42 size_t memory_size; /* Numnber of bytes that follow */
43 size_t descriptor_size; /* Size of each EFI_MEMORY_DESCRIPTOR */
44 uint32_t descriptor_version; /* Currently '1' */
45};
46
47/*
48 * Placeholder for now
49 */
50struct efi_fb {
51 uint64_t fb_addr;
52 uint64_t fb_size;
53 uint32_t fb_height;
54 uint32_t fb_width;
55 uint32_t fb_stride;
56 uint32_t fb_mask_red;
57 uint32_t fb_mask_green;
58 uint32_t fb_mask_blue;
59 uint32_t fb_mask_reserved;
60};
61
62#endif /* !_MACHINE_METADATA_H_ */