com32/gplinclude/acpi/structs.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2009-2011 Erwan Velu - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8  *   Boston MA 02111-1307, USA; either version 2 of the License, or
   9  *   (at your option) any later version; incorporated herein by reference.
  10  *
  11  * ----------------------------------------------------------------------- */
  12
  13 #ifndef ACPI_STRUCTS_H
  14 #define ACPI_STRUCTS_H
  15 #include <inttypes.h>
  16 #include <stdbool.h>
  17
  18 /* This value define the real size of the acpi structure
  19  * Our is bigger as we manage the \0 of strings
  20  * */
  21 #define ACPI_HEADER_SIZE 36
  22
  23 enum { GAS_SYSTEM_MEMORY=0, GAS_SYSTEM_IO=1 };
  24
  25 /* Generic Address Structure (GAS) Format */
  26 typedef struct {
  27     /* address_space_id could be {GAS_SYSTEM_MEMORY | GAS_SYSTEM_IO} */
  28     uint8_t address_space_id;
  29     uint8_t register_bit_width;
  30     uint8_t register_bit_offset;
  31     uint8_t reserved;
  32     uint64_t address;
  33 } __attribute__ ((packed)) s_gas;
  34
  35 typedef struct {
  36     uint8_t signature[4 + 1];
  37     uint32_t length;
  38     uint8_t revision;
  39     uint8_t checksum;
  40     uint8_t oem_id[6 + 1];
  41     uint8_t oem_table_id[8 + 1];
  42     uint32_t oem_revision;
  43     uint8_t creator_id[4 + 1];
  44     uint32_t creator_revision;
  45 } s_acpi_description_header;
  46
  47 #endif