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diff --git a/src/vendorcode/amd/cimx/sb900/AcpiLib.h b/src/vendorcode/amd/cimx/sb900/AcpiLib.h
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+/*;********************************************************************************
+;
+; 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]; ///< Reserved
+} 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);