arch/all-pc/boot/grub2-aros/include/grub/acpi.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2009  Free Software Foundation, Inc.
   4  *
   5  *  GRUB 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, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_ACPI_HEADER
  20 #define GRUB_ACPI_HEADER        1
  21
  22 #ifndef GRUB_DSDT_TEST
  23 #include <grub/types.h>
  24 #include <grub/err.h>
  25 #endif
  26
  27 struct grub_acpi_rsdp_v10
  28 {
  29   grub_uint8_t signature[8];
  30   grub_uint8_t checksum;
  31   grub_uint8_t oemid[6];
  32   grub_uint8_t revision;
  33   grub_uint32_t rsdt_addr;
  34 } __attribute__ ((packed));
  35
  36 struct grub_acpi_rsdp_v20
  37 {
  38   struct grub_acpi_rsdp_v10 rsdpv1;
  39   grub_uint32_t length;
  40   grub_uint64_t xsdt_addr;
  41   grub_uint8_t checksum;
  42   grub_uint8_t reserved[3];
  43 } __attribute__ ((packed));
  44
  45 struct grub_acpi_table_header
  46 {
  47   grub_uint8_t signature[4];
  48   grub_uint32_t length;
  49   grub_uint8_t revision;
  50   grub_uint8_t checksum;
  51   grub_uint8_t oemid[6];
  52   grub_uint8_t oemtable[8];
  53   grub_uint32_t oemrev;
  54   grub_uint8_t creator_id[4];
  55   grub_uint32_t creator_rev;
  56 } __attribute__ ((packed));
  57
  58 #define GRUB_ACPI_FADT_SIGNATURE "FACP"
  59
  60 struct grub_acpi_fadt
  61 {
  62   struct grub_acpi_table_header hdr;
  63   grub_uint32_t facs_addr;
  64   grub_uint32_t dsdt_addr;
  65   grub_uint8_t somefields1[20];
  66   grub_uint32_t pm1a;
  67   grub_uint8_t somefields2[64];
  68   grub_uint64_t facs_xaddr;
  69   grub_uint64_t dsdt_xaddr;
  70   grub_uint8_t somefields3[96];
  71 } __attribute__ ((packed));
  72
  73 #define GRUB_ACPI_MADT_SIGNATURE "APIC"
  74
  75 struct grub_acpi_madt_entry_header
  76 {
  77   grub_uint8_t type;
  78   grub_uint8_t len;
  79 };
  80
  81 struct grub_acpi_madt
  82 {
  83   struct grub_acpi_table_header hdr;
  84   grub_uint32_t lapic_addr;
  85   grub_uint32_t flags;
  86   struct grub_acpi_madt_entry_header entries[0];
  87 };
  88
  89 enum
  90   {
  91     GRUB_ACPI_MADT_ENTRY_TYPE_INTERRUPT_OVERRIDE = 2,
  92     GRUB_ACPI_MADT_ENTRY_TYPE_SAPIC = 6,
  93     GRUB_ACPI_MADT_ENTRY_TYPE_LSAPIC = 7,
  94     GRUB_ACPI_MADT_ENTRY_TYPE_PLATFORM_INT_SOURCE = 8
  95   };
  96
  97 struct grub_acpi_madt_entry_interrupt_override
  98 {
  99   struct grub_acpi_madt_entry_header hdr;
 100   grub_uint8_t bus;
 101   grub_uint8_t source;
 102   grub_uint32_t global_sys_interrupt;
 103   grub_uint16_t flags;
 104 };
 105
 106 struct grub_acpi_madt_entry_sapic
 107 {
 108   struct grub_acpi_madt_entry_header hdr;
 109   grub_uint8_t id;
 110   grub_uint8_t pad;
 111   grub_uint32_t global_sys_interrupt_base;
 112   grub_uint64_t addr;
 113 };
 114
 115 struct grub_acpi_madt_entry_lsapic
 116 {
 117   struct grub_acpi_madt_entry_header hdr;
 118   grub_uint8_t cpu_id;
 119   grub_uint8_t id;
 120   grub_uint8_t eid;
 121   grub_uint8_t pad[3];
 122   grub_uint32_t flags;
 123   grub_uint32_t cpu_uid;
 124   grub_uint8_t cpu_uid_str[0];
 125 };
 126
 127 struct grub_acpi_madt_entry_platform_int_source
 128 {
 129   struct grub_acpi_madt_entry_header hdr;
 130   grub_uint16_t flags;
 131   grub_uint8_t inttype;
 132   grub_uint8_t cpu_id;
 133   grub_uint8_t cpu_eid;
 134   grub_uint8_t sapic_vector;
 135   grub_uint32_t global_sys_int;
 136   grub_uint32_t src_flags;
 137 };
 138
 139 enum
 140   {
 141     GRUB_ACPI_MADT_ENTRY_SAPIC_FLAGS_ENABLED = 1
 142   };
 143
 144 #ifndef GRUB_DSDT_TEST
 145 struct grub_acpi_rsdp_v10 *grub_acpi_get_rsdpv1 (void);
 146 struct grub_acpi_rsdp_v20 *grub_acpi_get_rsdpv2 (void);
 147 struct grub_acpi_rsdp_v10 *grub_machine_acpi_get_rsdpv1 (void);
 148 struct grub_acpi_rsdp_v20 *grub_machine_acpi_get_rsdpv2 (void);
 149 grub_uint8_t grub_byte_checksum (void *base, grub_size_t size);
 150
 151 grub_err_t grub_acpi_create_ebda (void);
 152
 153 void grub_acpi_halt (void);
 154 #endif
 155
 156 #define GRUB_ACPI_SLP_EN (1 << 13)
 157 #define GRUB_ACPI_SLP_TYP_OFFSET 10
 158
 159 enum
 160   {
 161     GRUB_ACPI_OPCODE_ZERO = 0, GRUB_ACPI_OPCODE_ONE = 1,
 162     GRUB_ACPI_OPCODE_NAME = 8, GRUB_ACPI_OPCODE_BYTE_CONST = 0x0a,
 163     GRUB_ACPI_OPCODE_WORD_CONST = 0x0b, GRUB_ACPI_OPCODE_DWORD_CONST = 0x0c,
 164     GRUB_ACPI_OPCODE_SCOPE = 0x10, GRUB_ACPI_OPCODE_PACKAGE = 0x12,
 165     GRUB_ACPI_OPCODE_METHOD = 0x14, GRUB_ACPI_OPCODE_EXTOP = 0x5b,
 166     GRUB_ACPI_OPCODE_IF = 0xa0, GRUB_ACPI_OPCODE_ONES = 0xff
 167   };
 168 enum
 169   {
 170     GRUB_ACPI_EXTOPCODE_MUTEX = 0x01,
 171     GRUB_ACPI_EXTOPCODE_OPERATION_REGION = 0x80,
 172     GRUB_ACPI_EXTOPCODE_FIELD_OP = 0x81,
 173     GRUB_ACPI_EXTOPCODE_INDEX_FIELD_OP = 0x86,
 174   };
 175
 176 #endif /* ! GRUB_ACPI_HEADER */