| /*;******************************************************************************** |
| ; |
| ; 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: |
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| ; 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 |
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| ; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| ; |
| ;*********************************************************************************/ |
| |
| /** |
| * 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); |
