2N/A/* acpi.c - get acpi tables. */
2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2009 Free Software Foundation, Inc.
2N/A *
2N/A * GRUB is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * GRUB is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A
2N/A#include <grub/acpi.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/efi/efi.h>
2N/A#include <grub/efi/api.h>
2N/A
2N/Astruct grub_acpi_rsdp_v10 *
2N/Agrub_machine_acpi_get_rsdpv1 (void)
2N/A{
2N/A unsigned i;
2N/A static grub_efi_guid_t acpi_guid = GRUB_EFI_ACPI_TABLE_GUID;
2N/A
2N/A for (i = 0; i < grub_efi_system_table->num_table_entries; i++)
2N/A {
2N/A grub_efi_guid_t *guid =
2N/A &grub_efi_system_table->configuration_table[i].vendor_guid;
2N/A
2N/A if (! grub_memcmp (guid, &acpi_guid, sizeof (grub_efi_guid_t)))
2N/A return (struct grub_acpi_rsdp_v10 *)
2N/A grub_efi_system_table->configuration_table[i].vendor_table;
2N/A }
2N/A return 0;
2N/A}
2N/A
2N/Astruct grub_acpi_rsdp_v20 *
2N/Agrub_machine_acpi_get_rsdpv2 (void)
2N/A{
2N/A unsigned i;
2N/A static grub_efi_guid_t acpi20_guid = GRUB_EFI_ACPI_20_TABLE_GUID;
2N/A
2N/A for (i = 0; i < grub_efi_system_table->num_table_entries; i++)
2N/A {
2N/A grub_efi_guid_t *guid =
2N/A &grub_efi_system_table->configuration_table[i].vendor_guid;
2N/A
2N/A if (! grub_memcmp (guid, &acpi20_guid, sizeof (grub_efi_guid_t)))
2N/A return (struct grub_acpi_rsdp_v20 *)
2N/A grub_efi_system_table->configuration_table[i].vendor_table;
2N/A }
2N/A return 0;
2N/A}