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 */ 41 struct 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 */ 50 struct 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_ */ 63