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- /*
- * Copyright (C) 2017 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program 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 2 of the
- * License, or any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- /**
- * @file
- *
- * iPXE ACPI API for EFI
- *
- */
-
- #include <ipxe/acpi.h>
- #include <ipxe/efi/efi.h>
- #include <ipxe/efi/Guid/Acpi.h>
- #include <ipxe/efi/efi_acpi.h>
-
- /** ACPI configuration table */
- static EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *rsdp;
- EFI_USE_TABLE ( ACPI_10_TABLE, &rsdp, 0 );
-
- /**
- * Locate ACPI root system description table
- *
- * @ret rsdt ACPI root system description table, or UNULL
- */
- static userptr_t efi_find_rsdt ( void ) {
-
- /* Locate RSDT via ACPI configuration table, if available */
- if ( rsdp )
- return phys_to_user ( rsdp->RsdtAddress );
-
- return UNULL;
- }
-
- PROVIDE_ACPI ( efi, acpi_find_rsdt, efi_find_rsdt );
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