1/*
2 * EFI Blob structure for the ARMv8 platforms
3 *
4 * Copyright (c) 2018, ETH Zurich.
5 * All rights reserved.
6 *
7 * This file is distributed under the terms in the attached LICENSE file.
8 * If you do not find this file, copies can be found by writing to:
9 * ETH Zurich D-INFK, Universitaetstrasse 6, CH-8092 Zurich. Attn: Systems Group.
10 */
11
12#ifndef BLOB_H
13#define BLOB_H
14
15#define BASE_PAGE_SIZE (1<<12)
16
17// Blob header
18struct Blob {                   // offsets
19    union {
20        struct {
21            uint64_t magic;
22            uint64_t multiboot; // offset of the Multiboot2 boot info
23            uint64_t multiboot_size;
24            uint64_t modules;
25            uint64_t modules_size;
26            uint64_t boot_driver_segment;       // offset of the boot driver image
27            uint64_t boot_driver_segment_size;
28            uint64_t boot_driver_relocations;
29            uint64_t boot_driver_relocations_count;
30            uint64_t boot_driver_entry;
31            uint64_t cpu_driver_segment;    // offset of the cpu kernel image
32            uint64_t cpu_driver_segment_size;
33            uint64_t cpu_driver_relocations;
34            uint64_t cpu_driver_relocations_count;
35            uint64_t cpu_driver_entry;
36        };
37        unsigned char data[BASE_PAGE_SIZE];
38    };
39};
40
41struct Blob_relocation {
42    uint64_t offset, addend;
43};
44
45#endif
46