grub/include/grub/acpi.h
2009-06-10 21:04:23 +00:00

75 lines
2.1 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_ACPI_HEADER
#define GRUB_ACPI_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
struct grub_acpi_rsdp_v10
{
grub_uint8_t signature[8];
grub_uint8_t checksum;
grub_uint8_t oemid[6];
grub_uint8_t revision;
grub_uint32_t rsdt_addr;
} __attribute__ ((packed));
struct grub_acpi_rsdp_v20
{
struct grub_acpi_rsdp_v10 rsdpv1;
grub_uint32_t length;
grub_uint64_t xsdt_addr;
grub_uint8_t checksum;
grub_uint8_t reserved[3];
} __attribute__ ((packed));
struct grub_acpi_table_header
{
grub_uint8_t signature[4];
grub_uint32_t length;
grub_uint8_t revision;
grub_uint8_t checksum;
grub_uint8_t oemid[6];
grub_uint8_t oemtable[8];
grub_uint32_t oemrev;
grub_uint8_t creator_id[4];
grub_uint32_t creator_rev;
} __attribute__ ((packed));
struct grub_acpi_fadt
{
struct grub_acpi_table_header hdr;
grub_uint32_t facs_addr;
grub_uint32_t dsdt_addr;
grub_uint8_t somefields1[88];
grub_uint64_t facs_xaddr;
grub_uint64_t dsdt_xaddr;
grub_uint8_t somefields2[96];
} __attribute__ ((packed));
struct grub_acpi_rsdp_v10 *grub_acpi_get_rsdpv1 (void);
struct grub_acpi_rsdp_v20 *grub_acpi_get_rsdpv2 (void);
struct grub_acpi_rsdp_v10 *grub_machine_acpi_get_rsdpv1 (void);
struct grub_acpi_rsdp_v20 *grub_machine_acpi_get_rsdpv2 (void);
grub_uint8_t grub_byte_checksum (void *base, grub_size_t size);
grub_err_t grub_acpi_create_ebda (void);
#endif /* ! GRUB_ACPI_HEADER */