utinit.c revision 87031
167754Smsmith/****************************************************************************** 267754Smsmith * 377424Smsmith * Module Name: utinit - Common ACPI subsystem initialization 487031Smsmith * $Revision: 103 $ 567754Smsmith * 667754Smsmith *****************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 1271867Smsmith * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. 1370243Smsmith * All rights reserved. 1467754Smsmith * 1567754Smsmith * 2. License 1667754Smsmith * 1767754Smsmith * 2.1. This is your license from Intel Corp. under its intellectual property 1867754Smsmith * rights. You may have additional license terms from the party that provided 1967754Smsmith * you this software, covering your right to use that party's intellectual 2067754Smsmith * property rights. 2167754Smsmith * 2267754Smsmith * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 2367754Smsmith * copy of the source code appearing in this file ("Covered Code") an 2467754Smsmith * irrevocable, perpetual, worldwide license under Intel's copyrights in the 2567754Smsmith * base code distributed originally by Intel ("Original Intel Code") to copy, 2667754Smsmith * make derivatives, distribute, use and display any portion of the Covered 2767754Smsmith * Code in any form, with the right to sublicense such rights; and 2867754Smsmith * 2967754Smsmith * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 3067754Smsmith * license (with the right to sublicense), under only those claims of Intel 3167754Smsmith * patents that are infringed by the Original Intel Code, to make, use, sell, 3267754Smsmith * offer to sell, and import the Covered Code and derivative works thereof 3367754Smsmith * solely to the minimum extent necessary to exercise the above copyright 3467754Smsmith * license, and in no event shall the patent license extend to any additions 3567754Smsmith * to or modifications of the Original Intel Code. No other license or right 3667754Smsmith * is granted directly or by implication, estoppel or otherwise; 3767754Smsmith * 3867754Smsmith * The above copyright and patent license is granted only if the following 3967754Smsmith * conditions are met: 4067754Smsmith * 4167754Smsmith * 3. Conditions 4267754Smsmith * 4367754Smsmith * 3.1. Redistribution of Source with Rights to Further Distribute Source. 4467754Smsmith * Redistribution of source code of any substantial portion of the Covered 4567754Smsmith * Code or modification with rights to further distribute source must include 4667754Smsmith * the above Copyright Notice, the above License, this list of Conditions, 4767754Smsmith * and the following Disclaimer and Export Compliance provision. In addition, 4867754Smsmith * Licensee must cause all Covered Code to which Licensee contributes to 4967754Smsmith * contain a file documenting the changes Licensee made to create that Covered 5067754Smsmith * Code and the date of any change. Licensee must include in that file the 5167754Smsmith * documentation of any changes made by any predecessor Licensee. Licensee 5267754Smsmith * must include a prominent statement that the modification is derived, 5367754Smsmith * directly or indirectly, from Original Intel Code. 5467754Smsmith * 5567754Smsmith * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 5667754Smsmith * Redistribution of source code of any substantial portion of the Covered 5767754Smsmith * Code or modification without rights to further distribute source must 5867754Smsmith * include the following Disclaimer and Export Compliance provision in the 5967754Smsmith * documentation and/or other materials provided with distribution. In 6067754Smsmith * addition, Licensee may not authorize further sublicense of source of any 6167754Smsmith * portion of the Covered Code, and must include terms to the effect that the 6267754Smsmith * license from Licensee to its licensee is limited to the intellectual 6367754Smsmith * property embodied in the software Licensee provides to its licensee, and 6467754Smsmith * not to intellectual property embodied in modifications its licensee may 6567754Smsmith * make. 6667754Smsmith * 6767754Smsmith * 3.3. Redistribution of Executable. Redistribution in executable form of any 6867754Smsmith * substantial portion of the Covered Code or modification must reproduce the 6967754Smsmith * above Copyright Notice, and the following Disclaimer and Export Compliance 7067754Smsmith * provision in the documentation and/or other materials provided with the 7167754Smsmith * distribution. 7267754Smsmith * 7367754Smsmith * 3.4. Intel retains all right, title, and interest in and to the Original 7467754Smsmith * Intel Code. 7567754Smsmith * 7667754Smsmith * 3.5. Neither the name Intel nor any other trademark owned or controlled by 7767754Smsmith * Intel shall be used in advertising or otherwise to promote the sale, use or 7867754Smsmith * other dealings in products derived from or relating to the Covered Code 7967754Smsmith * without prior written authorization from Intel. 8067754Smsmith * 8167754Smsmith * 4. Disclaimer and Export Compliance 8267754Smsmith * 8367754Smsmith * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 8467754Smsmith * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 8567754Smsmith * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 8667754Smsmith * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 8767754Smsmith * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 8867754Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 8967754Smsmith * PARTICULAR PURPOSE. 9067754Smsmith * 9167754Smsmith * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 9267754Smsmith * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 9367754Smsmith * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 9467754Smsmith * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 9567754Smsmith * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 9667754Smsmith * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 9767754Smsmith * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 9867754Smsmith * LIMITED REMEDY. 9967754Smsmith * 10067754Smsmith * 4.3. Licensee shall not export, either directly or indirectly, any of this 10167754Smsmith * software or system incorporating such software without first obtaining any 10267754Smsmith * required license or other approval from the U. S. Department of Commerce or 10367754Smsmith * any other agency or department of the United States Government. In the 10467754Smsmith * event Licensee exports any such software from the United States or 10567754Smsmith * re-exports any such software from a foreign destination, Licensee shall 10667754Smsmith * ensure that the distribution and export/re-export of the software is in 10767754Smsmith * compliance with all laws, regulations, orders, or other restrictions of the 10867754Smsmith * U.S. Export Administration Regulations. Licensee agrees that neither it nor 10967754Smsmith * any of its subsidiaries will export/re-export any technical data, process, 11067754Smsmith * software, or service, directly or indirectly, to any country for which the 11167754Smsmith * United States government or any agency thereof requires an export license, 11267754Smsmith * other governmental approval, or letter of assurance, without first obtaining 11367754Smsmith * such license, approval or letter. 11467754Smsmith * 11567754Smsmith *****************************************************************************/ 11667754Smsmith 11767754Smsmith 11877424Smsmith#define __UTINIT_C__ 11967754Smsmith 12067754Smsmith#include "acpi.h" 12167754Smsmith#include "achware.h" 12267754Smsmith#include "acnamesp.h" 12367754Smsmith#include "acevents.h" 12467754Smsmith 12577424Smsmith#define _COMPONENT ACPI_UTILITIES 12677424Smsmith MODULE_NAME ("utinit") 12767754Smsmith 12867754Smsmith 12971867Smsmith#define ACPI_OFFSET(d,o) ((UINT32) &(((d *)0)->o)) 13071867Smsmith#define ACPI_FADT_OFFSET(o) ACPI_OFFSET (FADT_DESCRIPTOR, o) 13171867Smsmith 13283174Smsmith 13367754Smsmith/******************************************************************************* 13467754Smsmith * 13577424Smsmith * FUNCTION: AcpiUtFadtRegisterError 13667754Smsmith * 13767754Smsmith * PARAMETERS: *RegisterName - Pointer to string identifying register 13867754Smsmith * Value - Actual register contents value 13967754Smsmith * AcpiTestSpecSection - TDS section containing assertion 14067754Smsmith * AcpiAssertion - Assertion number being tested 14167754Smsmith * 14267754Smsmith * RETURN: AE_BAD_VALUE 14367754Smsmith * 14467754Smsmith * DESCRIPTION: Display failure message and link failure to TDS assertion 14567754Smsmith * 14667754Smsmith ******************************************************************************/ 14767754Smsmith 14869450Smsmithstatic ACPI_STATUS 14977424SmsmithAcpiUtFadtRegisterError ( 15067754Smsmith NATIVE_CHAR *RegisterName, 15171867Smsmith UINT32 Value, 15271867Smsmith UINT32 Offset) 15367754Smsmith{ 15467754Smsmith 15567754Smsmith REPORT_ERROR ( 15671867Smsmith ("Invalid FADT value %s=%lX at offset %lX FADT=%p\n", 15771867Smsmith RegisterName, Value, Offset, AcpiGbl_FADT)); 15867754Smsmith 15967754Smsmith 16067754Smsmith return (AE_BAD_VALUE); 16167754Smsmith} 16267754Smsmith 16367754Smsmith 16467754Smsmith/****************************************************************************** 16567754Smsmith * 16677424Smsmith * FUNCTION: AcpiUtValidateFadt 16767754Smsmith * 16867754Smsmith * PARAMETERS: None 16967754Smsmith * 17067754Smsmith * RETURN: Status 17167754Smsmith * 17269450Smsmith * DESCRIPTION: Validate various ACPI registers in the FADT 17367754Smsmith * 17467754Smsmith ******************************************************************************/ 17567754Smsmith 17667754SmsmithACPI_STATUS 17777424SmsmithAcpiUtValidateFadt ( 17867754Smsmith void) 17967754Smsmith{ 18067754Smsmith ACPI_STATUS Status = AE_OK; 18167754Smsmith 18267754Smsmith 18367754Smsmith /* 18467754Smsmith * Verify Fixed ACPI Description Table fields, 18567754Smsmith * but don't abort on any problems, just display error 18667754Smsmith */ 18769450Smsmith if (AcpiGbl_FADT->Pm1EvtLen < 4) 18867754Smsmith { 18977424Smsmith Status = AcpiUtFadtRegisterError ("PM1_EVT_LEN", 19071867Smsmith (UINT32) AcpiGbl_FADT->Pm1EvtLen, 19171867Smsmith ACPI_FADT_OFFSET (Pm1EvtLen)); 19267754Smsmith } 19367754Smsmith 19469450Smsmith if (!AcpiGbl_FADT->Pm1CntLen) 19567754Smsmith { 19677424Smsmith Status = AcpiUtFadtRegisterError ("PM1_CNT_LEN", 0, 19771867Smsmith ACPI_FADT_OFFSET (Pm1CntLen)); 19867754Smsmith } 19967754Smsmith 20070243Smsmith if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address)) 20167754Smsmith { 20277424Smsmith Status = AcpiUtFadtRegisterError ("X_PM1a_EVT_BLK", 0, 20371867Smsmith ACPI_FADT_OFFSET (XPm1aEvtBlk.Address)); 20467754Smsmith } 20567754Smsmith 20670243Smsmith if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aCntBlk.Address)) 20767754Smsmith { 20877424Smsmith Status = AcpiUtFadtRegisterError ("X_PM1a_CNT_BLK", 0, 20971867Smsmith ACPI_FADT_OFFSET (XPm1aCntBlk.Address)); 21067754Smsmith } 21167754Smsmith 21270243Smsmith if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPmTmrBlk.Address)) 21367754Smsmith { 21477424Smsmith Status = AcpiUtFadtRegisterError ("X_PM_TMR_BLK", 0, 21571867Smsmith ACPI_FADT_OFFSET (XPmTmrBlk.Address)); 21667754Smsmith } 21767754Smsmith 21870243Smsmith if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address) && 21969450Smsmith !AcpiGbl_FADT->Pm2CntLen)) 22067754Smsmith { 22177424Smsmith Status = AcpiUtFadtRegisterError ("PM2_CNT_LEN", 22271867Smsmith (UINT32) AcpiGbl_FADT->Pm2CntLen, 22371867Smsmith ACPI_FADT_OFFSET (Pm2CntLen)); 22467754Smsmith } 22567754Smsmith 22669450Smsmith if (AcpiGbl_FADT->PmTmLen < 4) 22767754Smsmith { 22877424Smsmith Status = AcpiUtFadtRegisterError ("PM_TM_LEN", 22971867Smsmith (UINT32) AcpiGbl_FADT->PmTmLen, 23071867Smsmith ACPI_FADT_OFFSET (PmTmLen)); 23167754Smsmith } 23267754Smsmith 23367754Smsmith /* length of GPE blocks must be a multiple of 2 */ 23467754Smsmith 23570243Smsmith if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address) && 23669450Smsmith (AcpiGbl_FADT->Gpe0BlkLen & 1)) 23767754Smsmith { 23877424Smsmith Status = AcpiUtFadtRegisterError ("(x)GPE0_BLK_LEN", 23971867Smsmith (UINT32) AcpiGbl_FADT->Gpe0BlkLen, 24071867Smsmith ACPI_FADT_OFFSET (Gpe0BlkLen)); 24167754Smsmith } 24267754Smsmith 24370243Smsmith if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address) && 24469450Smsmith (AcpiGbl_FADT->Gpe1BlkLen & 1)) 24567754Smsmith { 24677424Smsmith Status = AcpiUtFadtRegisterError ("(x)GPE1_BLK_LEN", 24771867Smsmith (UINT32) AcpiGbl_FADT->Gpe1BlkLen, 24871867Smsmith ACPI_FADT_OFFSET (Gpe1BlkLen)); 24967754Smsmith } 25067754Smsmith 25167754Smsmith return (Status); 25267754Smsmith} 25367754Smsmith 25467754Smsmith 25567754Smsmith/****************************************************************************** 25667754Smsmith * 25777424Smsmith * FUNCTION: AcpiUtTerminate 25867754Smsmith * 25967754Smsmith * PARAMETERS: none 26067754Smsmith * 26167754Smsmith * RETURN: none 26267754Smsmith * 26367754Smsmith * DESCRIPTION: free memory allocated for table storage. 26467754Smsmith * 26567754Smsmith ******************************************************************************/ 26667754Smsmith 26767754Smsmithvoid 26877424SmsmithAcpiUtTerminate (void) 26967754Smsmith{ 27067754Smsmith 27177424Smsmith FUNCTION_TRACE ("UtTerminate"); 27267754Smsmith 27367754Smsmith 27467754Smsmith /* Free global tables, etc. */ 27567754Smsmith 27667754Smsmith if (AcpiGbl_Gpe0EnableRegisterSave) 27767754Smsmith { 27880062Smsmith ACPI_MEM_FREE (AcpiGbl_Gpe0EnableRegisterSave); 27967754Smsmith } 28067754Smsmith 28167754Smsmith if (AcpiGbl_Gpe1EnableRegisterSave) 28267754Smsmith { 28380062Smsmith ACPI_MEM_FREE (AcpiGbl_Gpe1EnableRegisterSave); 28467754Smsmith } 28567754Smsmith 28667754Smsmith 28767754Smsmith return_VOID; 28867754Smsmith} 28967754Smsmith 29067754Smsmith 29177424Smsmith/******************************************************************************* 29267754Smsmith * 29377424Smsmith * FUNCTION: AcpiUtSubsystemShutdown 29467754Smsmith * 29567754Smsmith * PARAMETERS: none 29667754Smsmith * 29767754Smsmith * RETURN: none 29867754Smsmith * 29967754Smsmith * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex 30067754Smsmith * objects here -- because the AML debugger may be still running. 30167754Smsmith * 30267754Smsmith ******************************************************************************/ 30367754Smsmith 30467754SmsmithACPI_STATUS 30577424SmsmithAcpiUtSubsystemShutdown (void) 30667754Smsmith{ 30767754Smsmith 30877424Smsmith FUNCTION_TRACE ("UtSubsystemShutdown"); 30967754Smsmith 31067754Smsmith /* Just exit if subsystem is already shutdown */ 31167754Smsmith 31267754Smsmith if (AcpiGbl_Shutdown) 31367754Smsmith { 31482367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n")); 31567754Smsmith return_ACPI_STATUS (AE_OK); 31667754Smsmith } 31767754Smsmith 31867754Smsmith /* Subsystem appears active, go ahead and shut it down */ 31967754Smsmith 32067754Smsmith AcpiGbl_Shutdown = TRUE; 32182367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n")); 32267754Smsmith 32367754Smsmith /* Close the Namespace */ 32467754Smsmith 32567754Smsmith AcpiNsTerminate (); 32667754Smsmith 32767754Smsmith /* Close the AcpiEvent Handling */ 32867754Smsmith 32967754Smsmith AcpiEvTerminate (); 33067754Smsmith 33167754Smsmith /* Close the globals */ 33267754Smsmith 33377424Smsmith AcpiUtTerminate (); 33467754Smsmith 33587031Smsmith /* Purge the local caches */ 33667754Smsmith 33787031Smsmith AcpiPurgeCachedObjects (); 33867754Smsmith 33967754Smsmith /* Debug only - display leftover memory allocation, if any */ 34080062Smsmith 34180062Smsmith#ifdef ACPI_DBG_TRACK_ALLOCATIONS 34284491Smsmith AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL); 34367754Smsmith#endif 34467754Smsmith 34567754Smsmith return_ACPI_STATUS (AE_OK); 34667754Smsmith} 34767754Smsmith 34867754Smsmith 349