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