xref: /openbmc/qemu/tests/multiboot/multiboot.h (revision a126050a103c924b03388a9a64ce9af8c96b0969)
1  /*
2   * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com>
3   *
4   * Permission is hereby granted, free of charge, to any person obtaining a copy
5   * of this software and associated documentation files (the "Software"), to deal
6   * in the Software without restriction, including without limitation the rights
7   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8   * copies of the Software, and to permit persons to whom the Software is
9   * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20   * THE SOFTWARE.
21   */
22  
23  #ifndef MULTIBOOT_H
24  #define MULTIBOOT_H
25  
26  #include "libc.h"
27  
28  struct mb_info {
29      uint32_t    flags;
30      uint32_t    mem_lower;
31      uint32_t    mem_upper;
32      uint32_t    boot_device;
33      uint32_t    cmdline;
34      uint32_t    mods_count;
35      uint32_t    mods_addr;
36      char        syms[16];
37      uint32_t    mmap_length;
38      uint32_t    mmap_addr;
39      uint32_t    drives_length;
40      uint32_t    drives_addr;
41      uint32_t    config_table;
42      uint32_t    boot_loader_name;
43      uint32_t    apm_table;
44      uint32_t    vbe_control_info;
45      uint32_t    vbe_mode_info;
46      uint16_t    vbe_mode;
47      uint16_t    vbe_interface_seg;
48      uint16_t    vbe_interface_off;
49      uint16_t    vbe_interface_len;
50  } __attribute__((packed));
51  
52  struct mb_module {
53      uint32_t    mod_start;
54      uint32_t    mod_end;
55      uint32_t    string;
56      uint32_t    reserved;
57  } __attribute__((packed));
58  
59  struct mb_mmap_entry {
60      uint32_t    size;
61      uint64_t    base_addr;
62      uint64_t    length;
63      uint32_t    type;
64  } __attribute__((packed));
65  
66  #endif
67