/****************************************************************************** * * Module Name: utinit - Common ACPI subsystem initialization * $Revision: 1.131 $ * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2006, 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. * *****************************************************************************/ #define __UTINIT_C__ #include "acpi.h" #include "acnamesp.h" #include "acevents.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utinit") /* Local prototypes */ static void AcpiUtFadtRegisterError ( char *RegisterName, UINT32 Value, UINT8 Offset); static void AcpiUtTerminate ( void); /******************************************************************************* * * FUNCTION: AcpiUtFadtRegisterError * * PARAMETERS: RegisterName - Pointer to string identifying register * Value - Actual register contents value * Offset - Byte offset in the FADT * * RETURN: AE_BAD_VALUE * * DESCRIPTION: Display failure message * ******************************************************************************/ static void AcpiUtFadtRegisterError ( char *RegisterName, UINT32 Value, UINT8 Offset) { ACPI_WARNING ((AE_INFO, "Invalid FADT value %s=%X at offset %X FADT=%p", RegisterName, Value, Offset, AcpiGbl_FADT)); } /****************************************************************************** * * FUNCTION: AcpiUtValidateFadt * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Validate various ACPI registers in the FADT * ******************************************************************************/ ACPI_STATUS AcpiUtValidateFadt ( void) { /* * Verify Fixed ACPI Description Table fields, * but don't abort on any problems, just display error */ if (AcpiGbl_FADT->Pm1EvtLen < 4) { AcpiUtFadtRegisterError ("PM1_EVT_LEN", (UINT32) AcpiGbl_FADT->Pm1EvtLen, ACPI_FADT_OFFSET (Pm1EvtLen)); } if (!AcpiGbl_FADT->Pm1CntLen) { AcpiUtFadtRegisterError ("PM1_CNT_LEN", 0, ACPI_FADT_OFFSET (Pm1CntLen)); } if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address)) { AcpiUtFadtRegisterError ("X_PM1a_EVT_BLK", 0, ACPI_FADT_OFFSET (XPm1aEvtBlk.Address)); } if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aCntBlk.Address)) { AcpiUtFadtRegisterError ("X_PM1a_CNT_BLK", 0, ACPI_FADT_OFFSET (XPm1aCntBlk.Address)); } if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPmTmrBlk.Address)) { AcpiUtFadtRegisterError ("X_PM_TMR_BLK", 0, ACPI_FADT_OFFSET (XPmTmrBlk.Address)); } if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address) && !AcpiGbl_FADT->Pm2CntLen)) { AcpiUtFadtRegisterError ("PM2_CNT_LEN", (UINT32) AcpiGbl_FADT->Pm2CntLen, ACPI_FADT_OFFSET (Pm2CntLen)); } if (AcpiGbl_FADT->PmTmLen < 4) { AcpiUtFadtRegisterError ("PM_TM_LEN", (UINT32) AcpiGbl_FADT->PmTmLen, ACPI_FADT_OFFSET (PmTmLen)); } /* Length of GPE blocks must be a multiple of 2 */ if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address) && (AcpiGbl_FADT->Gpe0BlkLen & 1)) { AcpiUtFadtRegisterError ("(x)GPE0_BLK_LEN", (UINT32) AcpiGbl_FADT->Gpe0BlkLen, ACPI_FADT_OFFSET (Gpe0BlkLen)); } if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address) && (AcpiGbl_FADT->Gpe1BlkLen & 1)) { AcpiUtFadtRegisterError ("(x)GPE1_BLK_LEN", (UINT32) AcpiGbl_FADT->Gpe1BlkLen, ACPI_FADT_OFFSET (Gpe1BlkLen)); } return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiUtTerminate * * PARAMETERS: none * * RETURN: none * * DESCRIPTION: Free global memory * ******************************************************************************/ static void AcpiUtTerminate ( void) { ACPI_GPE_BLOCK_INFO *GpeBlock; ACPI_GPE_BLOCK_INFO *NextGpeBlock; ACPI_GPE_XRUPT_INFO *GpeXruptInfo; ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo; ACPI_FUNCTION_TRACE (UtTerminate); /* Free global tables, etc. */ /* Free global GPE blocks and related info structures */ GpeXruptInfo = AcpiGbl_GpeXruptListHead; while (GpeXruptInfo) { GpeBlock = GpeXruptInfo->GpeBlockListHead; while (GpeBlock) { NextGpeBlock = GpeBlock->Next; ACPI_FREE (GpeBlock->EventInfo); ACPI_FREE (GpeBlock->RegisterInfo); ACPI_FREE (GpeBlock); GpeBlock = NextGpeBlock; } NextGpeXruptInfo = GpeXruptInfo->Next; ACPI_FREE (GpeXruptInfo); GpeXruptInfo = NextGpeXruptInfo; } return_VOID; } /******************************************************************************* * * FUNCTION: AcpiUtSubsystemShutdown * * PARAMETERS: none * * RETURN: none * * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex * objects here -- because the AML debugger may be still running. * ******************************************************************************/ void AcpiUtSubsystemShutdown ( void) { ACPI_FUNCTION_TRACE (UtSubsystemShutdown); /* Just exit if subsystem is already shutdown */ if (AcpiGbl_Shutdown) { ACPI_ERROR ((AE_INFO, "ACPI Subsystem is already terminated")); return_VOID; } /* Subsystem appears active, go ahead and shut it down */ AcpiGbl_Shutdown = TRUE; AcpiGbl_StartupFlags = 0; ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); /* Close the AcpiEvent Handling */ AcpiEvTerminate (); /* Close the Namespace */ AcpiNsTerminate (); /* Close the globals */ AcpiUtTerminate (); /* Purge the local caches */ (void) AcpiUtDeleteCaches (); return_VOID; }