/****************************************************************************** * * Module Name: aehandlers - Various handlers for acpiexec * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2016, 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 ("aehandlers") /* Local prototypes */ static void AeNotifyHandler1 ( ACPI_HANDLE Device, UINT32 Value, void *Context); static void AeNotifyHandler2 ( ACPI_HANDLE Device, UINT32 Value, void *Context); static void AeCommonNotifyHandler ( ACPI_HANDLE Device, UINT32 Value, UINT32 HandlerId); static void AeDeviceNotifyHandler ( ACPI_HANDLE Device, UINT32 Value, void *Context); static ACPI_STATUS AeExceptionHandler ( ACPI_STATUS AmlStatus, ACPI_NAME Name, UINT16 Opcode, UINT32 AmlOffset, void *Context); static ACPI_STATUS AeTableHandler ( UINT32 Event, void *Table, void *Context); static void AeAttachedDataHandler ( ACPI_HANDLE Object, void *Data); static void AeAttachedDataHandler2 ( ACPI_HANDLE Object, void *Data); static UINT32 AeInterfaceHandler ( ACPI_STRING InterfaceName, UINT32 Supported); #if (!ACPI_REDUCED_HARDWARE) static UINT32 AeEventHandler ( void *Context); static UINT32 AeSciHandler ( void *Context); static char *TableEvents[] = { "LOAD", "UNLOAD", "UNKNOWN" }; #endif /* !ACPI_REDUCED_HARDWARE */ static AE_DEBUG_REGIONS AeRegions; #ifndef _GNU_EFI static UINT32 SigintCount = 0; /****************************************************************************** * * FUNCTION: AeCtrlCHandler * * PARAMETERS: Sig * * RETURN: none * * DESCRIPTION: Control-C handler. Abort running control method if any. * *****************************************************************************/ void ACPI_SYSTEM_XFACE AeCtrlCHandler ( int Sig) { signal (SIGINT, SIG_IGN); SigintCount++; AcpiOsPrintf ("Caught a ctrl-c (#%u)\n\n", SigintCount); if (AcpiGbl_MethodExecuting) { AcpiGbl_AbortMethod = TRUE; signal (SIGINT, AeCtrlCHandler); if (SigintCount < 10) { return; } } (void) AcpiOsTerminate (); exit (0); } #endif /****************************************************************************** * * FUNCTION: AeNotifyHandler(s) * * PARAMETERS: Standard notify handler parameters * * RETURN: Status * * DESCRIPTION: Notify handlers for AcpiExec utility. Used by the ASL * test suite(s) to communicate errors and other information to * this utility via the Notify() operator. Tests notify handling * and multiple notify handler support. * *****************************************************************************/ static void AeNotifyHandler1 ( ACPI_HANDLE Device, UINT32 Value, void *Context) { AeCommonNotifyHandler (Device, Value, 1); } static void AeNotifyHandler2 ( ACPI_HANDLE Device, UINT32 Value, void *Context) { AeCommonNotifyHandler (Device, Value, 2); } static void AeCommonNotifyHandler ( ACPI_HANDLE Device, UINT32 Value, UINT32 HandlerId) { char *Type; Type = "Device"; if (Value <= ACPI_MAX_SYS_NOTIFY) { Type = "System"; } switch (Value) { #if 0 case 0: printf ("[AcpiExec] Method Error 0x%X: Results not equal\n", Value); if (AcpiGbl_DebugFile) { AcpiOsPrintf ("[AcpiExec] Method Error: Results not equal\n"); } break; case 1: printf ("[AcpiExec] Method Error: Incorrect numeric result\n"); if (AcpiGbl_DebugFile) { AcpiOsPrintf ("[AcpiExec] Method Error: Incorrect numeric result\n"); } break; case 2: printf ("[AcpiExec] Method Error: An operand was overwritten\n"); if (AcpiGbl_DebugFile) { AcpiOsPrintf ("[AcpiExec] Method Error: An operand was overwritten\n"); } break; #endif default: printf ("[AcpiExec] Handler %u: Received a %s Notify on [%4.4s] %p Value 0x%2.2X (%s)\n", HandlerId, Type, AcpiUtGetNodeName (Device), Device, Value, AcpiUtGetNotifyName (Value, ACPI_TYPE_ANY)); if (AcpiGbl_DebugFile) { AcpiOsPrintf ("[AcpiExec] Handler %u: Received a %s notify, Value 0x%2.2X\n", HandlerId, Type, Value); } (void) AcpiEvaluateObject (Device, "_NOT", NULL, NULL); break; } } /****************************************************************************** * * FUNCTION: AeSystemNotifyHandler * * PARAMETERS: Standard notify handler parameters * * RETURN: Status * * DESCRIPTION: System notify handler for AcpiExec utility. Used by the ASL * test suite(s) to communicate errors and other information to * this utility via the Notify() operator. * *****************************************************************************/ static void AeSystemNotifyHandler ( ACPI_HANDLE Device, UINT32 Value, void *Context) { printf ("[AcpiExec] Global: Received a System Notify on [%4.4s] %p Value 0x%2.2X (%s)\n", AcpiUtGetNodeName (Device), Device, Value, AcpiUtGetNotifyName (Value, ACPI_TYPE_ANY)); if (AcpiGbl_DebugFile) { AcpiOsPrintf ("[AcpiExec] Global: Received a System Notify, Value 0x%2.2X\n", Value); } (void) AcpiEvaluateObject (Device, "_NOT", NULL, NULL); } /****************************************************************************** * * FUNCTION: AeDeviceNotifyHandler * * PARAMETERS: Standard notify handler parameters * * RETURN: Status * * DESCRIPTION: Device notify handler for AcpiExec utility. Used by the ASL * test suite(s) to communicate errors and other information to * this utility via the Notify() operator. * *****************************************************************************/ static void AeDeviceNotifyHandler ( ACPI_HANDLE Device, UINT32 Value, void *Context) { printf ("[AcpiExec] Global: Received a Device Notify on [%4.4s] %p Value 0x%2.2X (%s)\n", AcpiUtGetNodeName (Device), Device, Value, AcpiUtGetNotifyName (Value, ACPI_TYPE_ANY)); if (AcpiGbl_DebugFile) { AcpiOsPrintf ("[AcpiExec] Global: Received a Device Notify, Value 0x%2.2X\n", Value); } (void) AcpiEvaluateObject (Device, "_NOT", NULL, NULL); } /****************************************************************************** * * FUNCTION: AeExceptionHandler * * PARAMETERS: Standard exception handler parameters * * RETURN: Status * * DESCRIPTION: System exception handler for AcpiExec utility. * *****************************************************************************/ static ACPI_STATUS AeExceptionHandler ( ACPI_STATUS AmlStatus, ACPI_NAME Name, UINT16 Opcode, UINT32 AmlOffset, void *Context) { ACPI_STATUS NewAmlStatus = AmlStatus; ACPI_STATUS Status; ACPI_BUFFER ReturnObj; ACPI_OBJECT_LIST ArgList; ACPI_OBJECT Arg[3]; const char *Exception; Exception = AcpiFormatException (AmlStatus); AcpiOsPrintf ("[AcpiExec] Exception %s during execution ", Exception); if (Name) { AcpiOsPrintf ("of method [%4.4s]", (char *) &Name); } else { AcpiOsPrintf ("at module level (table load)"); } AcpiOsPrintf (" Opcode [%s] @%X\n", AcpiPsGetOpcodeName (Opcode), AmlOffset); /* * Invoke the _ERR method if present * * Setup parameter object */ ArgList.Count = 3; ArgList.Pointer = Arg; Arg[0].Type = ACPI_TYPE_INTEGER; Arg[0].Integer.Value = AmlStatus; Arg[1].Type = ACPI_TYPE_STRING; Arg[1].String.Pointer = ACPI_CAST_PTR (char, Exception); Arg[1].String.Length = strlen (Exception); Arg[2].Type = ACPI_TYPE_INTEGER; Arg[2].Integer.Value = AcpiOsGetThreadId(); /* Setup return buffer */ ReturnObj.Pointer = NULL; ReturnObj.Length = ACPI_ALLOCATE_BUFFER; Status = AcpiEvaluateObject (NULL, "\\_ERR", &ArgList, &ReturnObj); if (ACPI_SUCCESS (Status)) { if (ReturnObj.Pointer) { /* Override original status */ NewAmlStatus = (ACPI_STATUS) ((ACPI_OBJECT *) ReturnObj.Pointer)->Integer.Value; /* Free a buffer created via ACPI_ALLOCATE_BUFFER */ AcpiOsFree (ReturnObj.Pointer); } } else if (Status != AE_NOT_FOUND) { AcpiOsPrintf ("[AcpiExec] Could not execute _ERR method, %s\n", AcpiFormatException (Status)); } /* Global override */ if (AcpiGbl_IgnoreErrors) { NewAmlStatus = AE_OK; } if (NewAmlStatus != AmlStatus) { AcpiOsPrintf ("[AcpiExec] Exception override, new status %s\n\n", AcpiFormatException (NewAmlStatus)); } return (NewAmlStatus); } /****************************************************************************** * * FUNCTION: AeTableHandler * * PARAMETERS: Table handler * * RETURN: Status * * DESCRIPTION: System table handler for AcpiExec utility. * *****************************************************************************/ static ACPI_STATUS AeTableHandler ( UINT32 Event, void *Table, void *Context) { #if (!ACPI_REDUCED_HARDWARE) ACPI_STATUS Status; #endif /* !ACPI_REDUCED_HARDWARE */ if (Event > ACPI_NUM_TABLE_EVENTS) { Event = ACPI_NUM_TABLE_EVENTS; } #if (!ACPI_REDUCED_HARDWARE) /* Enable any GPEs associated with newly-loaded GPE methods */ Status = AcpiUpdateAllGpes (); ACPI_CHECK_OK (AcpiUpdateAllGpes, Status); printf ("[AcpiExec] Table Event %s, [%4.4s] %p\n", TableEvents[Event], ((ACPI_TABLE_HEADER *) Table)->Signature, Table); #endif /* !ACPI_REDUCED_HARDWARE */ return (AE_OK); } /****************************************************************************** * * FUNCTION: AeGpeHandler * * DESCRIPTION: Common GPE handler for acpiexec * *****************************************************************************/ UINT32 AeGpeHandler ( ACPI_HANDLE GpeDevice, UINT32 GpeNumber, void *Context) { ACPI_NAMESPACE_NODE *DeviceNode = (ACPI_NAMESPACE_NODE *) GpeDevice; AcpiOsPrintf ("[AcpiExec] GPE Handler received GPE %02X (GPE block %4.4s)\n", GpeNumber, GpeDevice ? DeviceNode->Name.Ascii : "FADT"); return (ACPI_REENABLE_GPE); } /****************************************************************************** * * FUNCTION: AeGlobalEventHandler * * DESCRIPTION: Global GPE/Fixed event handler * *****************************************************************************/ void AeGlobalEventHandler ( UINT32 Type, ACPI_HANDLE Device, UINT32 EventNumber, void *Context) { char *TypeName; switch (Type) { case ACPI_EVENT_TYPE_GPE: TypeName = "GPE"; break; case ACPI_EVENT_TYPE_FIXED: TypeName = "FixedEvent"; break; default: TypeName = "UNKNOWN"; break; } AcpiOsPrintf ( "[AcpiExec] Global Event Handler received: Type %s Number %.2X Dev %p\n", TypeName, EventNumber, Device); } /****************************************************************************** * * FUNCTION: AeAttachedDataHandler * * DESCRIPTION: Handler for deletion of nodes with attached data (attached via * AcpiAttachData) * *****************************************************************************/ static void AeAttachedDataHandler ( ACPI_HANDLE Object, void *Data) { ACPI_NAMESPACE_NODE *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Data); AcpiOsPrintf ("Received an attached data deletion (1) on %4.4s\n", Node->Name.Ascii); } /****************************************************************************** * * FUNCTION: AeAttachedDataHandler2 * * DESCRIPTION: Handler for deletion of nodes with attached data (attached via * AcpiAttachData) * *****************************************************************************/ static void AeAttachedDataHandler2 ( ACPI_HANDLE Object, void *Data) { ACPI_NAMESPACE_NODE *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Data); AcpiOsPrintf ("Received an attached data deletion (2) on %4.4s\n", Node->Name.Ascii); } /****************************************************************************** * * FUNCTION: AeInterfaceHandler * * DESCRIPTION: Handler for _OSI invocations * *****************************************************************************/ static UINT32 AeInterfaceHandler ( ACPI_STRING InterfaceName, UINT32 Supported) { ACPI_FUNCTION_NAME (AeInterfaceHandler); ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received _OSI (\"%s\"), is %ssupported\n", InterfaceName, Supported == 0 ? "not " : "")); return (Supported); } #if (!ACPI_REDUCED_HARDWARE) /****************************************************************************** * * FUNCTION: AeEventHandler, AeSciHandler * * DESCRIPTION: Handler for Fixed Events and SCIs * *****************************************************************************/ static UINT32 AeEventHandler ( void *Context) { return (0); } static UINT32 AeSciHandler ( void *Context) { AcpiOsPrintf ("[AcpiExec] Received an SCI at handler\n"); return (0); } #endif /* !ACPI_REDUCED_HARDWARE */ /******************************************************************************* * * FUNCTION: AeInstallSciHandler * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Install handler for SCIs. Exercise the code by doing an * install/remove/install. * ******************************************************************************/ static ACPI_STATUS AeInstallSciHandler ( void) { ACPI_STATUS Status; Status = AcpiInstallSciHandler (AeSciHandler, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install an SCI handler (1)")); } Status = AcpiRemoveSciHandler (AeSciHandler); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not remove an SCI handler")); } Status = AcpiInstallSciHandler (AeSciHandler, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install an SCI handler (2)")); } return (Status); } /****************************************************************************** * * FUNCTION: AeInstallLateHandlers * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Install handlers for the AcpiExec utility. * *****************************************************************************/ ACPI_STATUS AeInstallLateHandlers ( void) { ACPI_STATUS Status; ACPI_HANDLE Handle; Status = AcpiGetHandle (NULL, "\\_TZ.TZ1", &Handle); if (ACPI_SUCCESS (Status)) { Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1, ACPI_CAST_PTR (void, 0x01234567)); Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler2, ACPI_CAST_PTR (void, 0x89ABCDEF)); Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1); Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler2); Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler2, ACPI_CAST_PTR (void, 0x89ABCDEF)); Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1, ACPI_CAST_PTR (void, 0x01234567)); } Status = AcpiGetHandle (NULL, "\\_PR.CPU0", &Handle); if (ACPI_SUCCESS (Status)) { Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1, ACPI_CAST_PTR (void, 0x01234567)); Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY, AeNotifyHandler2, ACPI_CAST_PTR (void, 0x89ABCDEF)); } #if (!ACPI_REDUCED_HARDWARE) if (!AcpiGbl_ReducedHardware) { /* Install a user SCI handler */ Status = AeInstallSciHandler (); ACPI_CHECK_OK (AeInstallSciHandler, Status); /* Install some fixed event handlers */ Status = AcpiInstallFixedEventHandler ( ACPI_EVENT_GLOBAL, AeEventHandler, NULL); ACPI_CHECK_OK (AcpiInstallFixedEventHandler, Status); Status = AcpiInstallFixedEventHandler ( ACPI_EVENT_RTC, AeEventHandler, NULL); ACPI_CHECK_OK (AcpiInstallFixedEventHandler, Status); } #endif /* !ACPI_REDUCED_HARDWARE */ AeMyContext.Connection = NULL; AeMyContext.AccessLength = 0xA5; /* * We will install a handler for each EC device, directly under the EC * device definition. This is unlike the other handlers which we install * at the root node. Also install memory and I/O handlers at any PCI * devices. */ AeInstallDeviceHandlers (); /* * Install handlers for some of the "device driver" address spaces * such as SMBus, etc. */ AeInstallRegionHandlers (); return (AE_OK); } /****************************************************************************** * * FUNCTION: AeInstallEarlyHandlers * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Install handlers for the AcpiExec utility. * * Notes: Don't install handler for PCI_Config, we want to use the * default handler to exercise that code. * *****************************************************************************/ ACPI_STATUS AeInstallEarlyHandlers ( void) { ACPI_STATUS Status; ACPI_HANDLE Handle; ACPI_FUNCTION_ENTRY (); Status = AcpiInstallInterfaceHandler (AeInterfaceHandler); if (ACPI_FAILURE (Status)) { printf ("Could not install interface handler, %s\n", AcpiFormatException (Status)); } Status = AcpiInstallTableHandler (AeTableHandler, NULL); if (ACPI_FAILURE (Status)) { printf ("Could not install table handler, %s\n", AcpiFormatException (Status)); } Status = AcpiInstallExceptionHandler (AeExceptionHandler); if (ACPI_FAILURE (Status)) { printf ("Could not install exception handler, %s\n", AcpiFormatException (Status)); } /* Install global notify handlers */ Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY, AeSystemNotifyHandler, NULL); if (ACPI_FAILURE (Status)) { printf ("Could not install a global system notify handler, %s\n", AcpiFormatException (Status)); } Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_DEVICE_NOTIFY, AeDeviceNotifyHandler, NULL); if (ACPI_FAILURE (Status)) { printf ("Could not install a global notify handler, %s\n", AcpiFormatException (Status)); } Status = AcpiGetHandle (NULL, "\\_SB", &Handle); if (ACPI_SUCCESS (Status)) { Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY, AeNotifyHandler1, NULL); if (ACPI_FAILURE (Status)) { printf ("Could not install a notify handler, %s\n", AcpiFormatException (Status)); } Status = AcpiRemoveNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY, AeNotifyHandler1); if (ACPI_FAILURE (Status)) { printf ("Could not remove a notify handler, %s\n", AcpiFormatException (Status)); } Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1, NULL); ACPI_CHECK_OK (AcpiInstallNotifyHandler, Status); Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1); ACPI_CHECK_OK (AcpiRemoveNotifyHandler, Status); #if 0 Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1, NULL); if (ACPI_FAILURE (Status)) { printf ("Could not install a notify handler, %s\n", AcpiFormatException (Status)); } #endif /* Install two handlers for _SB_ */ Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY, AeNotifyHandler1, ACPI_CAST_PTR (void, 0x01234567)); Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY, AeNotifyHandler2, ACPI_CAST_PTR (void, 0x89ABCDEF)); /* Attempt duplicate handler installation, should fail */ Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY, AeNotifyHandler1, ACPI_CAST_PTR (void, 0x77777777)); Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle); ACPI_CHECK_OK (AcpiAttachData, Status); Status = AcpiDetachData (Handle, AeAttachedDataHandler); ACPI_CHECK_OK (AcpiDetachData, Status); /* Test attach data at the root object */ Status = AcpiAttachData (ACPI_ROOT_OBJECT, AeAttachedDataHandler, AcpiGbl_RootNode); ACPI_CHECK_OK (AcpiAttachData, Status); Status = AcpiAttachData (ACPI_ROOT_OBJECT, AeAttachedDataHandler2, AcpiGbl_RootNode); ACPI_CHECK_OK (AcpiAttachData, Status); /* Test support for multiple attaches */ Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle); ACPI_CHECK_OK (AcpiAttachData, Status); Status = AcpiAttachData (Handle, AeAttachedDataHandler2, Handle); ACPI_CHECK_OK (AcpiAttachData, Status); } else { printf ("No _SB_ found, %s\n", AcpiFormatException (Status)); } /* * Install handlers that will override the default handlers for some of * the space IDs. */ AeOverrideRegionHandlers (); /* * Initialize the global Region Handler space * MCW 3/23/00 */ AeRegions.NumberOfRegions = 0; AeRegions.RegionList = NULL; return (AE_OK); }