| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * *************************************************************************** |
| * |
| */ |
| |
| /** |
| * RSDP - ACPI 2.0 table RSDP |
| */ |
| typedef struct _RSDP |
| { |
| unsigned long long Signature; /* RSDP signature "RSD PTR" */ |
| unsigned char Checksum; /* checksum of the first 20 bytes */ |
| unsigned char OEMID[6]; /* OEM ID, "LXBIOS" */ |
| unsigned char Revision; /* 0 for APCI 1.0, 2 for ACPI 2.0 */ |
| unsigned int RsdtAddress; /* physical address of RSDT */ |
| unsigned int Length; /* total length of RSDP (including extended part) */ |
| unsigned long long XsdtAddress; /* physical address of XSDT */ |
| unsigned char ExtendedChecksum; /* chechsum of whole table */ |
| unsigned char Reserved[3]; |
| } RSDP; |
| |
| |
| /** |
| * DESCRIPTION_HEADER - ACPI common table header |
| */ |
| typedef struct _DESCRIPTION_HEADER |
| { |
| unsigned int Signature; /* ACPI signature (4 ASCII characters) */ |
| unsigned int Length; /* Length of table, in bytes, including header */ |
| unsigned char Revision; /* ACPI Specification minor version # */ |
| unsigned char Checksum; /* To make sum of entire table == 0 */ |
| unsigned char OEMID[6]; /* OEM identification */ |
| unsigned char OEMTableID[8]; /* OEM table identification */ |
| unsigned int OEMRevision; /* OEM revision number */ |
| unsigned int CreatorID; /* ASL compiler vendor ID */ |
| unsigned int CreatorRevision; /* ASL compiler revision number */ |
| } DESCRIPTION_HEADER; |
| |
| void* ACPI_LocateTable (IN unsigned int Signature); |
| void ACPI_SetTableChecksum (IN void* TablePtr); |
| unsigned char ACPI_GetTableChecksum (IN void* TablePtr); |
| unsigned char GetByteSum (IN void* pData, IN unsigned int Length); |
