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 * $FreeBSD$ 27 */ 28 29 #ifndef _MACHINE_METADATA_H_ 30 #define _MACHINE_METADATA_H_ 31 32 #define MODINFOMD_SMAP 0x1001 33 #define MODINFOMD_SMAP_XATTR 0x1002 34 #define MODINFOMD_DTBP 0x1003 35 #define MODINFOMD_EFI_MAP 0x1004 36 #define MODINFOMD_EFI_FB 0x1005 37 #define MODINFOMD_MODULEP 0x1006 38 #define MODINFOMD_VBE_FB 0x1007 39 40 struct efi_map_header { 41 uint64_t memory_size; 42 uint64_t descriptor_size; 43 uint32_t descriptor_version; 44 }; 45 46 struct efi_fb { 47 uint64_t fb_addr; 48 uint64_t fb_size; 49 uint32_t fb_height; 50 uint32_t fb_width; 51 uint32_t fb_stride; 52 uint32_t fb_mask_red; 53 uint32_t fb_mask_green; 54 uint32_t fb_mask_blue; 55 uint32_t fb_mask_reserved; 56 }; 57 58 struct vbe_fb { 59 uint64_t fb_addr; 60 uint64_t fb_size; 61 uint32_t fb_height; 62 uint32_t fb_width; 63 uint32_t fb_stride; 64 uint32_t fb_mask_red; 65 uint32_t fb_mask_green; 66 uint32_t fb_mask_blue; 67 uint32_t fb_mask_reserved; 68 uint32_t fb_bpp; 69 }; 70 71 /* 72 * The structure below is used when FreeBSD kernel is booted as a dom0 kernel 73 * from Xen. In such scenario we need to accommodate the modules and the 74 * metadata as a contiguous memory region, so it can be passed as a multiboot 75 * module, and some extra information is required which is conveyed from the 76 * loader to the kernel using the xen_header structure below. 77 * 78 * See the comment in multiboot.c about how the structure below is packaged 79 * together with the rest of the kernel payload data. 80 */ 81 struct xen_header { 82 uint64_t flags; 83 #define XENHEADER_HAS_MODULEP_OFFSET (1ull << 0) 84 85 /* 86 * Offset of the modulep location from the start of the multiboot 87 * module blob. 88 */ 89 uint64_t modulep_offset; 90 }; 91 92 #endif /* !_MACHINE_METADATA_H_ */ 93