1 /*- 2 * Copyright (c) 2003 Peter Wemm <peter@FreeBSD.org> 3 * 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 _MACHINE_METADATA_H_ 28 #define _MACHINE_METADATA_H_ 29 30 #define MODINFOMD_SMAP 0x1001 31 #define MODINFOMD_SMAP_XATTR 0x1002 32 #define MODINFOMD_DTBP 0x1003 33 #define MODINFOMD_EFI_MAP 0x1004 34 #define MODINFOMD_EFI_FB 0x1005 35 #define MODINFOMD_MODULEP 0x1006 36 #define MODINFOMD_VBE_FB 0x1007 37 #define MODINFOMD_EFI_ARCH 0x1008 38 39 /* 40 * This is not the same as the UEFI standard EFI_MEMORY_ATTRIBUTES_TABLE, though 41 * memory_size / descritpr_size entries of EFI_MEMORY_DESCRIPTORS follow this table 42 * starting at a 16-byte alignment. 43 */ 44 struct efi_map_header { 45 uint64_t memory_size; /* Numnber of bytes that follow */ 46 uint64_t descriptor_size; /* Size of each EFI_MEMORY_DESCRIPTOR */ 47 uint32_t descriptor_version; /* Currently '1' */ 48 }; 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 struct vbe_fb { 63 uint64_t fb_addr; 64 uint64_t fb_size; 65 uint32_t fb_height; 66 uint32_t fb_width; 67 uint32_t fb_stride; 68 uint32_t fb_mask_red; 69 uint32_t fb_mask_green; 70 uint32_t fb_mask_blue; 71 uint32_t fb_mask_reserved; 72 uint32_t fb_bpp; 73 }; 74 75 /* 76 * The structure below is used when FreeBSD kernel is booted as a dom0 kernel 77 * from Xen. In such scenario we need to accommodate the modules and the 78 * metadata as a contiguous memory region, so it can be passed as a multiboot 79 * module, and some extra information is required which is conveyed from the 80 * loader to the kernel using the xen_header structure below. 81 * 82 * See the comment in multiboot.c about how the structure below is packaged 83 * together with the rest of the kernel payload data. 84 */ 85 struct xen_header { 86 uint64_t flags; 87 #define XENHEADER_HAS_MODULEP_OFFSET (1ull << 0) 88 89 /* 90 * Offset of the modulep location from the start of the multiboot 91 * module blob. 92 */ 93 uint64_t modulep_offset; 94 }; 95 96 #endif /* !_MACHINE_METADATA_H_ */ 97