| Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 1 | /* |
| 2 | ***************************************************************************** |
| 3 | * |
| 4 | * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| 5 | * All rights reserved. |
| Edward O'Callaghan | b9a6700 | 2014-07-06 19:29:03 +1000 | [diff] [blame] | 6 | * |
| Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions are met: |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| Edward O'Callaghan | b9a6700 | 2014-07-06 19:29:03 +1000 | [diff] [blame] | 14 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 15 | * its contributors may be used to endorse or promote products derived |
| Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 16 | * from this software without specific prior written permission. |
| Edward O'Callaghan | b9a6700 | 2014-07-06 19:29:03 +1000 | [diff] [blame] | 17 | * |
| Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 21 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| Edward O'Callaghan | b9a6700 | 2014-07-06 19:29:03 +1000 | [diff] [blame] | 28 | * |
| Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 29 | * *************************************************************************** |
| 30 | * |
| 31 | */ |
| 32 | |
| 33 | /** |
| 34 | * RSDP - ACPI 2.0 table RSDP |
| 35 | */ |
| 36 | typedef struct _RSDP |
| 37 | { |
| 38 | unsigned long long Signature; /* RSDP signature "RSD PTR" */ |
| 39 | unsigned char Checksum; /* checksum of the first 20 bytes */ |
| 40 | unsigned char OEMID[6]; /* OEM ID, "LXBIOS" */ |
| 41 | unsigned char Revision; /* 0 for APCI 1.0, 2 for ACPI 2.0 */ |
| 42 | unsigned int RsdtAddress; /* physical address of RSDT */ |
| 43 | unsigned int Length; /* total length of RSDP (including extended part) */ |
| 44 | unsigned long long XsdtAddress; /* physical address of XSDT */ |
| 45 | unsigned char ExtendedChecksum; /* chechsum of whole table */ |
| 46 | unsigned char Reserved[3]; |
| Marc Jones | f2592f9 | 2018-08-23 10:33:29 -0600 | [diff] [blame] | 47 | } RSDP_HEADER; |
| Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 48 | |
| 49 | |
| 50 | /** |
| 51 | * DESCRIPTION_HEADER - ACPI common table header |
| 52 | */ |
| 53 | typedef struct _DESCRIPTION_HEADER |
| 54 | { |
| 55 | unsigned int Signature; /* ACPI signature (4 ASCII characters) */ |
| 56 | unsigned int Length; /* Length of table, in bytes, including header */ |
| 57 | unsigned char Revision; /* ACPI Specification minor version # */ |
| 58 | unsigned char Checksum; /* To make sum of entire table == 0 */ |
| 59 | unsigned char OEMID[6]; /* OEM identification */ |
| 60 | unsigned char OEMTableID[8]; /* OEM table identification */ |
| 61 | unsigned int OEMRevision; /* OEM revision number */ |
| 62 | unsigned int CreatorID; /* ASL compiler vendor ID */ |
| 63 | unsigned int CreatorRevision; /* ASL compiler revision number */ |
| 64 | } DESCRIPTION_HEADER; |
| 65 | |
| 66 | void* ACPI_LocateTable (IN unsigned int Signature); |
| 67 | void ACPI_SetTableChecksum (IN void* TablePtr); |
| 68 | unsigned char ACPI_GetTableChecksum (IN void* TablePtr); |
| 69 | unsigned char GetByteSum (IN void* pData, IN unsigned int Length); |