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+/******************************************************************************
+ *
+ * Module Name: aetables - Miscellaneous ACPI tables for acpiexec utility
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "aecommon.h"
+
+#define _COMPONENT ACPI_TOOLS
+ ACPI_MODULE_NAME ("aetables")
+
+/* Local prototypes */
+
+void
+AeTableOverride (
+ ACPI_TABLE_HEADER *ExistingTable,
+ ACPI_TABLE_HEADER **NewTable);
+
+ACPI_PHYSICAL_ADDRESS
+AeLocalGetRootPointer (
+ void);
+
+/*
+ * Misc ACPI tables to be installed
+ */
+
+/* Default DSDT. This will be replaced with the input DSDT */
+
+unsigned char DsdtCode[] =
+{
+ 0x44,0x53,0x44,0x54,0x24,0x00,0x00,0x00, /* 00000000 "DSDT$..." */
+ 0x02,0x6F,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 ".oIntel." */
+ 0x4E,0x75,0x6C,0x6C,0x44,0x53,0x44,0x54, /* 00000010 "NullDSDT" */
+ 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
+ 0x04,0x12,0x08,0x20,
+};
+
+/* Several example SSDTs */
+
+unsigned char Ssdt1Code[] = /* Has method _T98 */
+{
+ 0x53,0x53,0x44,0x54,0x30,0x00,0x00,0x00, /* 00000000 "SSDT0..." */
+ 0x01,0xB8,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
+ 0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
+ 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
+ 0x24,0x04,0x03,0x20,0x14,0x0B,0x5F,0x54, /* 00000020 "$.. .._T" */
+ 0x39,0x38,0x00,0x70,0x0A,0x04,0x60,0xA4, /* 00000028 "98.p..`." */
+};
+
+unsigned char Ssdt2Code[] = /* Has method _T99 */
+{
+ 0x53,0x53,0x44,0x54,0x30,0x00,0x00,0x00, /* 00000000 "SSDT0..." */
+ 0x01,0xB7,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
+ 0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
+ 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
+ 0x24,0x04,0x03,0x20,0x14,0x0B,0x5F,0x54, /* 00000020 "$.. .._T" */
+ 0x39,0x39,0x00,0x70,0x0A,0x04,0x60,0xA4, /* 00000028 "99.p..`." */
+};
+
+unsigned char Ssdt3Code[] = /* Has method _T97 */
+{
+ 0x54,0x53,0x44,0x54,0x30,0x00,0x00,0x00, /* 00000000 "TSDT0..." */
+ 0x01,0xB8,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
+ 0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
+ 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
+ 0x24,0x04,0x03,0x20,0x14,0x0B,0x5F,0x54, /* 00000020 "$.. .._T" */
+ 0x39,0x37,0x00,0x70,0x0A,0x04,0x60,0xA4, /* 00000028 "97.p..`." */
+};
+
+/* Example OEM table */
+
+unsigned char Oem1Code[] =
+{
+ 0x4F,0x45,0x4D,0x31,0x38,0x00,0x00,0x00, /* 00000000 "OEM18..." */
+ 0x01,0x4B,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 ".KIntel." */
+ 0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
+ 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
+ 0x18,0x09,0x03,0x20,0x08,0x5F,0x58,0x54, /* 00000020 "... ._XT" */
+ 0x32,0x0A,0x04,0x14,0x0C,0x5F,0x58,0x54, /* 00000028 "2...._XT" */
+ 0x31,0x00,0x70,0x01,0x5F,0x58,0x54,0x32, /* 00000030 "1.p._XT2" */
+};
+
+/*
+ * Example installable control method
+ *
+ * DefinitionBlock ("", "DSDT", 2, "Intel", "MTHDTEST", 0x20090512)
+ * {
+ * Method (\_SI_._T97, 1, Serialized)
+ * {
+ * Store ("Example installed method", Debug)
+ * Store (Arg0, Debug)
+ * Return ()
+ * }
+ * }
+ *
+ * Compiled byte code below.
+ */
+unsigned char MethodCode[] =
+{
+ 0x44,0x53,0x44,0x54,0x53,0x00,0x00,0x00, /* 00000000 "DSDTS..." */
+ 0x02,0xF9,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
+ 0x4D,0x54,0x48,0x44,0x54,0x45,0x53,0x54, /* 00000010 "MTHDTEST" */
+ 0x12,0x05,0x09,0x20,0x49,0x4E,0x54,0x4C, /* 00000018 "... INTL" */
+ 0x22,0x04,0x09,0x20,0x14,0x2E,0x2E,0x5F, /* 00000020 "".. ..._" */
+ 0x54,0x49,0x5F,0x5F,0x54,0x39,0x37,0x09, /* 00000028 "SI__T97." */
+ 0x70,0x0D,0x45,0x78,0x61,0x6D,0x70,0x6C, /* 00000030 "p.Exampl" */
+ 0x65,0x20,0x69,0x6E,0x73,0x74,0x61,0x6C, /* 00000038 "e instal" */
+ 0x6C,0x65,0x64,0x20,0x6D,0x65,0x74,0x68, /* 00000040 "led meth" */
+ 0x6F,0x64,0x00,0x5B,0x31,0x70,0x68,0x5B, /* 00000048 "od.[1ph[" */
+ 0x31,0xA4,0x00,
+};
+
+
+/*
+ * We need a local FADT so that the hardware subcomponent will function,
+ * even though the underlying OSD HW access functions don't do
+ * anything.
+ */
+ACPI_TABLE_HEADER *DsdtToInstallOverride;
+ACPI_TABLE_RSDP LocalRSDP;
+ACPI_TABLE_FADT LocalFADT;
+ACPI_TABLE_FACS LocalFACS;
+ACPI_TABLE_HEADER LocalDSDT;
+ACPI_TABLE_HEADER LocalTEST;
+ACPI_TABLE_HEADER LocalBADTABLE;
+ACPI_TABLE_RSDT *LocalRSDT;
+
+#define RSDT_TABLES 7
+#define RSDT_SIZE (sizeof (ACPI_TABLE_RSDT) + ((RSDT_TABLES -1) * sizeof (UINT32)))
+
+#define ACPI_MAX_INIT_TABLES (16)
+static ACPI_TABLE_DESC Tables[ACPI_MAX_INIT_TABLES];
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeTableOverride
+ *
+ * DESCRIPTION: Local implementation of AcpiOsTableOverride.
+ * Exercise the override mechanism
+ *
+ *****************************************************************************/
+
+void
+AeTableOverride (
+ ACPI_TABLE_HEADER *ExistingTable,
+ ACPI_TABLE_HEADER **NewTable)
+{
+
+ /* This code exercises the table override mechanism in the core */
+
+ if (ACPI_COMPARE_NAME (ExistingTable->Signature, ACPI_SIG_DSDT))
+ {
+ *NewTable = DsdtToInstallOverride;
+ }
+
+ /* This code tests override of dynamically loaded tables */
+
+ else if (ACPI_COMPARE_NAME (ExistingTable->Signature, "TSDT"))
+ {
+ *NewTable = ACPI_CAST_PTR (ACPI_TABLE_HEADER, Ssdt3Code);
+ }
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeBuildLocalTables
+ *
+ * PARAMETERS: UserTable - pointer to an input table to be loaded.
+ * a DSDT or SSDT
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Build a complete ACPI table chain, with a local RSDP, RSDT,
+ * FADT, and several other test tables.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AeBuildLocalTables (
+ ACPI_TABLE_HEADER *UserTable)
+{
+ ACPI_PHYSICAL_ADDRESS DsdtAddress;
+
+
+ /* Build an RSDT */
+
+ LocalRSDT = AcpiOsAllocate (RSDT_SIZE);
+ if (!LocalRSDT)
+ {
+ return AE_NO_MEMORY;
+ }
+
+ ACPI_MEMSET (LocalRSDT, 0, RSDT_SIZE);
+ ACPI_STRNCPY (LocalRSDT->Header.Signature, ACPI_SIG_RSDT, 4);
+ LocalRSDT->Header.Length = RSDT_SIZE;
+
+ LocalRSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalTEST);
+ LocalRSDT->TableOffsetEntry[1] = ACPI_PTR_TO_PHYSADDR (&LocalBADTABLE);
+ LocalRSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);
+ LocalRSDT->TableOffsetEntry[3] = ACPI_PTR_TO_PHYSADDR (&LocalTEST); /* Just a placeholder for a user SSDT */
+
+ /* Install two SSDTs to test multiple table support */
+
+ LocalRSDT->TableOffsetEntry[4] = ACPI_PTR_TO_PHYSADDR (&Ssdt1Code);
+ LocalRSDT->TableOffsetEntry[5] = ACPI_PTR_TO_PHYSADDR (&Ssdt2Code);
+
+ /* Install the OEM1 table to test LoadTable */
+
+ LocalRSDT->TableOffsetEntry[6] = ACPI_PTR_TO_PHYSADDR (&Oem1Code);
+
+ /* Build an RSDP */
+
+ ACPI_MEMSET (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP));
+ ACPI_MEMCPY (LocalRSDP.Signature, ACPI_SIG_RSDP, 8);
+ LocalRSDP.Revision = 1;
+ LocalRSDP.RsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalRSDT);
+ LocalRSDP.Length = sizeof (ACPI_TABLE_RSDT);
+ ACPI_MEMCPY (LocalRSDP.OemId, "I_TEST", 6);
+
+ /*
+ * Examine the incoming user table. At this point, it has been verified
+ * to be either a DSDT, SSDT, or a PSDT, but they must be handled differently
+ */
+ if (ACPI_COMPARE_NAME (UserTable->Signature, ACPI_SIG_DSDT))
+ {
+ /* The incoming user table is a DSDT */
+
+ DsdtAddress = ACPI_PTR_TO_PHYSADDR (&DsdtCode);
+ DsdtToInstallOverride = UserTable;
+ }
+ else
+ {
+ /* Build a local DSDT because incoming table is an SSDT or PSDT */
+
+ ACPI_MEMSET (&LocalDSDT, 0, sizeof (ACPI_TABLE_HEADER));
+ ACPI_STRNCPY (LocalDSDT.Signature, ACPI_SIG_DSDT, 4);
+ LocalDSDT.Revision = 1;
+ LocalDSDT.Length = sizeof (ACPI_TABLE_HEADER);
+ LocalDSDT.Checksum = (UINT8) -AcpiTbChecksum ((void *) &LocalDSDT, LocalDSDT.Length);
+
+ /* Install incoming table (SSDT or PSDT) directly into the RSDT */
+
+ LocalRSDT->TableOffsetEntry[3] = ACPI_PTR_TO_PHYSADDR (UserTable);
+ DsdtAddress = ACPI_PTR_TO_PHYSADDR (&LocalDSDT);
+ DsdtToInstallOverride = &LocalDSDT;
+ }
+
+ /* Set checksums for both RSDT and RSDP */
+
+ LocalRSDT->Header.Checksum = (UINT8) -AcpiTbChecksum ((void *) LocalRSDT, LocalRSDT->Header.Length);
+ LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum ((void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH);
+
+ /*
+ * Build a FADT so we can test the hardware/event init
+ */
+ ACPI_MEMSET (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT));
+ ACPI_STRNCPY (LocalFADT.Header.Signature, ACPI_SIG_FADT, 4);
+
+ /* Setup FADT header and DSDT/FACS addresses */
+
+ LocalFADT.Dsdt = DsdtAddress;
+ LocalFADT.Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
+
+ LocalFADT.XDsdt = DsdtAddress;
+ LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
+
+ LocalFADT.Header.Revision = 3;
+ LocalFADT.Header.Length = sizeof (ACPI_TABLE_FADT);
+
+ /* Miscellaneous FADT fields */
+
+ LocalFADT.Gpe0BlockLength = 16;
+ LocalFADT.Gpe1BlockLength = 6;
+ LocalFADT.Gpe1Base = 96;
+
+ LocalFADT.Pm1EventLength = 4;
+ LocalFADT.Pm1ControlLength = 2;
+ LocalFADT.PmTimerLength = 4;
+
+ LocalFADT.Gpe0Block = 0x00001234;
+ LocalFADT.Gpe1Block = 0x00005678;
+
+ LocalFADT.Pm1aEventBlock = 0x00001aaa;
+ LocalFADT.Pm1bEventBlock = 0x00001bbb;
+ LocalFADT.PmTimerBlock = 0xA0;
+ LocalFADT.Pm1aControlBlock = 0xB0;
+
+ /* Setup one example X-64 field */
+
+ LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
+ LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock;
+ LocalFADT.XPm1bEventBlock.BitWidth = (UINT8) ACPI_MUL_8 (LocalFADT.Pm1EventLength);
+
+ /* Complete the FADT with the checksum */
+
+ LocalFADT.Header.Checksum = 0;
+ LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum ((void *) &LocalFADT, LocalFADT.Header.Length);
+
+ /* Build a FACS */
+
+ ACPI_MEMSET (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS));
+ ACPI_STRNCPY (LocalFACS.Signature, ACPI_SIG_FACS, 4);
+ LocalFACS.Length = sizeof (ACPI_TABLE_FACS);
+ LocalFACS.GlobalLock = 0x11AA0011;
+
+ /* Build a fake table [TEST] so that we make sure that the CA core ignores it */
+
+ ACPI_MEMSET (&LocalTEST, 0, sizeof (ACPI_TABLE_HEADER));
+ ACPI_STRNCPY (LocalTEST.Signature, "TEST", 4);
+
+ LocalTEST.Revision = 1;
+ LocalTEST.Length = sizeof (ACPI_TABLE_HEADER);
+ LocalTEST.Checksum = (UINT8) -AcpiTbChecksum ((void *) &LocalTEST, LocalTEST.Length);
+
+ /* Build a fake table with a bad signature [BAD!] so that we make sure that the CA core ignores it */
+
+ ACPI_MEMSET (&LocalBADTABLE, 0, sizeof (ACPI_TABLE_HEADER));
+ ACPI_STRNCPY (LocalBADTABLE.Signature, "BAD!", 4);
+
+ LocalBADTABLE.Revision = 1;
+ LocalBADTABLE.Length = sizeof (ACPI_TABLE_HEADER);
+ LocalBADTABLE.Checksum = (UINT8) -AcpiTbChecksum ((void *) &LocalBADTABLE, LocalBADTABLE.Length);
+
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeInstallTables
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install the various ACPI tables
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AeInstallTables (
+ void)
+{
+ ACPI_STATUS Status;
+
+ Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE);
+ Status = AcpiReallocateRootTable ();
+ Status = AcpiLoadTables ();
+
+ /*
+ * Test run-time control method installation. Do it twice to test code
+ * for an existing name.
+ */
+ Status = AcpiInstallMethod (MethodCode);
+ if (ACPI_FAILURE (Status))
+ {
+ AcpiOsPrintf ("%s, Could not install method\n",
+ AcpiFormatException (Status));
+ }
+
+ Status = AcpiInstallMethod (MethodCode);
+ if (ACPI_FAILURE (Status))
+ {
+ AcpiOsPrintf ("%s, Could not install method\n",
+ AcpiFormatException (Status));
+ }
+
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeLocalGetRootPointer
+ *
+ * PARAMETERS: Flags - not used
+ * Address - Where the root pointer is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Return a local RSDP, used to dynamically load tables via the
+ * standard ACPI mechanism.
+ *
+ *****************************************************************************/
+
+ACPI_PHYSICAL_ADDRESS
+AeLocalGetRootPointer (
+ void)
+{
+
+ return ((ACPI_PHYSICAL_ADDRESS) &LocalRSDP);
+}
+
+