/****************************************************************************** * * Module Name: aehandlers - Various handlers for acpiexec * *****************************************************************************/ /* * Copyright (C) 2000 - 2013, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. */ #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 ACPI_STATUS AeRegionInit ( ACPI_HANDLE RegionHandle, UINT32 Function, void *HandlerContext, void **RegionContext); static void AeAttachedDataHandler ( ACPI_HANDLE Object, void *Data); static void AeAttachedDataHandler2 ( ACPI_HANDLE Object, void *Data); static UINT32 AeInterfaceHandler ( ACPI_STRING InterfaceName, UINT32 Supported); static ACPI_STATUS AeInstallEcHandler ( ACPI_HANDLE ObjHandle, UINT32 Level, void *Context, void **ReturnValue); static ACPI_STATUS AeInstallPciHandler ( ACPI_HANDLE ObjHandle, UINT32 Level, void *Context, void **ReturnValue); static ACPI_STATUS AeInstallDeviceHandlers ( void); #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 UINT32 SigintCount = 0; static AE_DEBUG_REGIONS AeRegions; BOOLEAN AcpiGbl_DisplayRegionAccess = FALSE; /* * We will override some of the default region handlers, especially the * SystemMemory handler, which must be implemented locally. Do not override * the PCI_Config handler since we would like to exercise the default handler * code. These handlers are installed "early" - before any _REG methods * are executed - since they are special in the sense that the ACPI spec * declares that they must "always be available". Cannot override the * DataTable region handler either -- needed for test execution. */ static ACPI_ADR_SPACE_TYPE DefaultSpaceIdList[] = { ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_ADR_SPACE_SYSTEM_IO }; /* * We will install handlers for some of the various address space IDs. * Test one user-defined address space (used by aslts). */ #define ACPI_ADR_SPACE_USER_DEFINED1 0x80 #define ACPI_ADR_SPACE_USER_DEFINED2 0xE4 static ACPI_ADR_SPACE_TYPE SpaceIdList[] = { ACPI_ADR_SPACE_SMBUS, ACPI_ADR_SPACE_CMOS, ACPI_ADR_SPACE_PCI_BAR_TARGET, ACPI_ADR_SPACE_IPMI, ACPI_ADR_SPACE_GPIO, ACPI_ADR_SPACE_GSBUS, ACPI_ADR_SPACE_FIXED_HARDWARE, ACPI_ADR_SPACE_USER_DEFINED1, ACPI_ADR_SPACE_USER_DEFINED2 }; static ACPI_CONNECTION_INFO AeMyContext; /****************************************************************************** * * 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); } /****************************************************************************** * * 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)); 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)); 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)); 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 = ACPI_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", 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 (); AE_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: AeRegionInit * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Opregion init function. * *****************************************************************************/ static ACPI_STATUS AeRegionInit ( ACPI_HANDLE RegionHandle, UINT32 Function, void *HandlerContext, void **RegionContext) { if (Function == ACPI_REGION_DEACTIVATE) { *RegionContext = NULL; } else { *RegionContext = RegionHandle; } return (AE_OK); } /******************************************************************************* * * 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: AeInstallDeviceHandlers, AeInstallEcHandler, * AeInstallPciHandler * * PARAMETERS: ACPI_WALK_NAMESPACE callback * * RETURN: Status * * DESCRIPTION: Walk entire namespace, install a handler for every EC * and PCI device found. * ******************************************************************************/ static ACPI_STATUS AeInstallEcHandler ( ACPI_HANDLE ObjHandle, UINT32 Level, void *Context, void **ReturnValue) { ACPI_STATUS Status; /* Install the handler for this EC device */ Status = AcpiInstallAddressSpaceHandler (ObjHandle, ACPI_ADR_SPACE_EC, AeRegionHandler, AeRegionInit, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install an OpRegion handler for EC device (%p)", ObjHandle)); } return (Status); } static ACPI_STATUS AeInstallPciHandler ( ACPI_HANDLE ObjHandle, UINT32 Level, void *Context, void **ReturnValue) { ACPI_STATUS Status; /* Install memory and I/O handlers for the PCI device */ Status = AcpiInstallAddressSpaceHandler (ObjHandle, ACPI_ADR_SPACE_SYSTEM_IO, AeRegionHandler, AeRegionInit, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install an OpRegion handler for PCI device (%p)", ObjHandle)); } Status = AcpiInstallAddressSpaceHandler (ObjHandle, ACPI_ADR_SPACE_SYSTEM_MEMORY, AeRegionHandler, AeRegionInit, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install an OpRegion handler for PCI device (%p)", ObjHandle)); } return (AE_CTRL_TERMINATE); } static ACPI_STATUS AeInstallDeviceHandlers ( void) { /* Find all Embedded Controller devices */ AcpiGetDevices ("PNP0C09", AeInstallEcHandler, NULL, NULL); /* Install a PCI handler */ AcpiGetDevices ("PNP0A08", AeInstallPciHandler, NULL, NULL); return (AE_OK); } /****************************************************************************** * * FUNCTION: AeInstallLateHandlers * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Install handlers for the AcpiExec utility. * *****************************************************************************/ ACPI_STATUS AeInstallLateHandlers ( void) { ACPI_STATUS Status; UINT32 i; #if (!ACPI_REDUCED_HARDWARE) if (!AcpiGbl_ReducedHardware) { /* Install a user SCI handler */ Status = AeInstallSciHandler (); AE_CHECK_OK (AeInstallSciHandler, Status); /* Install some fixed event handlers */ Status = AcpiInstallFixedEventHandler (ACPI_EVENT_GLOBAL, AeEventHandler, NULL); AE_CHECK_OK (AcpiInstallFixedEventHandler, Status); Status = AcpiInstallFixedEventHandler (ACPI_EVENT_RTC, AeEventHandler, NULL); AE_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. */ for (i = 0; i < ACPI_ARRAY_LENGTH (SpaceIdList); i++) { /* Install handler at the root object */ Status = AcpiInstallAddressSpaceHandler (ACPI_ROOT_OBJECT, SpaceIdList[i], AeRegionHandler, AeRegionInit, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install an OpRegion handler for %s space(%u)", AcpiUtGetRegionName((UINT8) SpaceIdList[i]), SpaceIdList[i])); return (Status); } } 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; UINT32 i; 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); AE_CHECK_OK (AcpiInstallNotifyHandler, Status); Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY, AeNotifyHandler1); AE_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); AE_CHECK_OK (AcpiAttachData, Status); Status = AcpiDetachData (Handle, AeAttachedDataHandler); AE_CHECK_OK (AcpiDetachData, Status); Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle); AE_CHECK_OK (AcpiAttachData, Status); /* Test support for multiple attaches */ Status = AcpiAttachData (Handle, AeAttachedDataHandler2, Handle); AE_CHECK_OK (AcpiAttachData, Status); } else { printf ("No _SB_ found, %s\n", AcpiFormatException (Status)); } 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)); } /* * Install handlers that will override the default handlers for some of * the space IDs. */ for (i = 0; i < ACPI_ARRAY_LENGTH (DefaultSpaceIdList); i++) { /* Install handler at the root object */ Status = AcpiInstallAddressSpaceHandler (ACPI_ROOT_OBJECT, DefaultSpaceIdList[i], AeRegionHandler, AeRegionInit, &AeMyContext); if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, "Could not install a default OpRegion handler for %s space(%u)", AcpiUtGetRegionName ((UINT8) DefaultSpaceIdList[i]), DefaultSpaceIdList[i])); return (Status); } } /* * Initialize the global Region Handler space * MCW 3/23/00 */ AeRegions.NumberOfRegions = 0; AeRegions.RegionList = NULL; return (Status); } /****************************************************************************** * * FUNCTION: AeRegionHandler * * PARAMETERS: Standard region handler parameters * * RETURN: Status * * DESCRIPTION: Test handler - Handles some dummy regions via memory that can * be manipulated in Ring 3. Simulates actual reads and writes. * *****************************************************************************/ ACPI_STATUS AeRegionHandler ( UINT32 Function, ACPI_PHYSICAL_ADDRESS Address, UINT32 BitWidth, UINT64 *Value, void *HandlerContext, void *RegionContext) { ACPI_OPERAND_OBJECT *RegionObject = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, RegionContext); UINT8 *Buffer = ACPI_CAST_PTR (UINT8, Value); ACPI_PHYSICAL_ADDRESS BaseAddress; ACPI_SIZE Length; BOOLEAN BufferExists; AE_REGION *RegionElement; void *BufferValue; ACPI_STATUS Status; UINT32 ByteWidth; UINT32 i; UINT8 SpaceId; ACPI_CONNECTION_INFO *MyContext; UINT32 Value1; UINT32 Value2; ACPI_RESOURCE *Resource; ACPI_FUNCTION_NAME (AeRegionHandler); /* * If the object is not a region, simply return */ if (RegionObject->Region.Type != ACPI_TYPE_REGION) { return (AE_OK); } /* Check that we actually got back our context parameter */ if (HandlerContext != &AeMyContext) { printf ("Region handler received incorrect context %p, should be %p\n", HandlerContext, &AeMyContext); } MyContext = ACPI_CAST_PTR (ACPI_CONNECTION_INFO, HandlerContext); /* * Find the region's address space and length before searching * the linked list. */ BaseAddress = RegionObject->Region.Address; Length = (ACPI_SIZE) RegionObject->Region.Length; SpaceId = RegionObject->Region.SpaceId; ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, "Operation Region request on %s at 0x%X\n", AcpiUtGetRegionName (RegionObject->Region.SpaceId), (UINT32) Address)); /* * Region support can be disabled with the -do option. * We use this to support dynamically loaded tables where we pass a valid * address to the AML. */ if (AcpiGbl_DbOpt_NoRegionSupport) { BufferValue = ACPI_TO_POINTER (Address); ByteWidth = (BitWidth / 8); if (BitWidth % 8) { ByteWidth += 1; } goto DoFunction; } switch (SpaceId) { case ACPI_ADR_SPACE_SYSTEM_IO: /* * For I/O space, exercise the port validation * Note: ReadPort currently always returns all ones, length=BitLength */ switch (Function & ACPI_IO_MASK) { case ACPI_READ: if (BitWidth == 64) { /* Split the 64-bit request into two 32-bit requests */ Status = AcpiHwReadPort (Address, &Value1, 32); AE_CHECK_OK (AcpiHwReadPort, Status); Status = AcpiHwReadPort (Address+4, &Value2, 32); AE_CHECK_OK (AcpiHwReadPort, Status); *Value = Value1 | ((UINT64) Value2 << 32); } else { Status = AcpiHwReadPort (Address, &Value1, BitWidth); AE_CHECK_OK (AcpiHwReadPort, Status); *Value = (UINT64) Value1; } break; case ACPI_WRITE: if (BitWidth == 64) { /* Split the 64-bit request into two 32-bit requests */ Status = AcpiHwWritePort (Address, ACPI_LODWORD (*Value), 32); AE_CHECK_OK (AcpiHwWritePort, Status); Status = AcpiHwWritePort (Address+4, ACPI_HIDWORD (*Value), 32); AE_CHECK_OK (AcpiHwWritePort, Status); } else { Status = AcpiHwWritePort (Address, (UINT32) *Value, BitWidth); AE_CHECK_OK (AcpiHwWritePort, Status); } break; default: Status = AE_BAD_PARAMETER; break; } if (ACPI_FAILURE (Status)) { return (Status); } /* Now go ahead and simulate the hardware */ break; /* * SMBus and GenericSerialBus support the various bidirectional * protocols. */ case ACPI_ADR_SPACE_SMBUS: case ACPI_ADR_SPACE_GSBUS: /* ACPI 5.0 */ Length = 0; switch (Function & ACPI_IO_MASK) { case ACPI_READ: switch (Function >> 16) { case AML_FIELD_ATTRIB_QUICK: case AML_FIELD_ATTRIB_SEND_RCV: case AML_FIELD_ATTRIB_BYTE: Length = 1; break; case AML_FIELD_ATTRIB_WORD: case AML_FIELD_ATTRIB_WORD_CALL: Length = 2; break; case AML_FIELD_ATTRIB_BLOCK: case AML_FIELD_ATTRIB_BLOCK_CALL: Length = 32; break; case AML_FIELD_ATTRIB_MULTIBYTE: case AML_FIELD_ATTRIB_RAW_BYTES: case AML_FIELD_ATTRIB_RAW_PROCESS: /* (-2) for status/length */ Length = MyContext->AccessLength - 2; break; default: break; } break; case ACPI_WRITE: switch (Function >> 16) { case AML_FIELD_ATTRIB_QUICK: case AML_FIELD_ATTRIB_SEND_RCV: case AML_FIELD_ATTRIB_BYTE: case AML_FIELD_ATTRIB_WORD: case AML_FIELD_ATTRIB_BLOCK: Length = 0; break; case AML_FIELD_ATTRIB_WORD_CALL: Length = 2; break; case AML_FIELD_ATTRIB_BLOCK_CALL: Length = 32; break; case AML_FIELD_ATTRIB_MULTIBYTE: case AML_FIELD_ATTRIB_RAW_BYTES: case AML_FIELD_ATTRIB_RAW_PROCESS: /* (-2) for status/length */ Length = MyContext->AccessLength - 2; break; default: break; } break; default: break; } if (AcpiGbl_DisplayRegionAccess) { AcpiOsPrintf ("AcpiExec: %s " "%s: Attr %X Addr %.4X BaseAddr %.4X Len %.2X Width %X BufLen %X", AcpiUtGetRegionName (SpaceId), (Function & ACPI_IO_MASK) ? "Write" : "Read ", (UINT32) (Function >> 16), (UINT32) Address, (UINT32) BaseAddress, Length, BitWidth, Buffer[1]); /* GenericSerialBus has a Connection() parameter */ if (SpaceId == ACPI_ADR_SPACE_GSBUS) { Status = AcpiBufferToResource (MyContext->Connection, MyContext->Length, &Resource); AcpiOsPrintf (" [AccLen %.2X Conn %p]", MyContext->AccessLength, MyContext->Connection); } AcpiOsPrintf ("\n"); } /* Setup the return buffer. Note: ASLTS depends on these fill values */ for (i = 0; i < Length; i++) { Buffer[i+2] = (UINT8) (0xA0 + i); } Buffer[0] = 0x7A; Buffer[1] = (UINT8) Length; return (AE_OK); case ACPI_ADR_SPACE_IPMI: /* ACPI 4.0 */ if (AcpiGbl_DisplayRegionAccess) { AcpiOsPrintf ("AcpiExec: IPMI " "%s: Attr %X Addr %.4X BaseAddr %.4X Len %.2X Width %X BufLen %X\n", (Function & ACPI_IO_MASK) ? "Write" : "Read ", (UINT32) (Function >> 16), (UINT32) Address, (UINT32) BaseAddress, Length, BitWidth, Buffer[1]); } /* * Regardless of a READ or WRITE, this handler is passed a 66-byte * buffer in which to return the IPMI status/length/data. * * Return some example data to show use of the bidirectional buffer */ Buffer[0] = 0; /* Status byte */ Buffer[1] = 64; /* Return buffer data length */ Buffer[2] = 0; /* Completion code */ Buffer[3] = 0; /* Reserved */ /* * Fill the 66-byte buffer with the return data. * Note: ASLTS depends on these fill values. */ for (i = 4; i < 66; i++) { Buffer[i] = (UINT8) (i); } return (AE_OK); default: break; } /* * Search through the linked list for this region's buffer */ BufferExists = FALSE; RegionElement = AeRegions.RegionList; if (AeRegions.NumberOfRegions) { while (!BufferExists && RegionElement) { if (RegionElement->Address == BaseAddress && RegionElement->Length == Length && RegionElement->SpaceId == SpaceId) { BufferExists = TRUE; } else { RegionElement = RegionElement->NextRegion; } } } /* * If the Region buffer does not exist, create it now */ if (!BufferExists) { /* * Do the memory allocations first */ RegionElement = AcpiOsAllocate (sizeof (AE_REGION)); if (!RegionElement) { return (AE_NO_MEMORY); } RegionElement->Buffer = AcpiOsAllocate (Length); if (!RegionElement->Buffer) { AcpiOsFree (RegionElement); return (AE_NO_MEMORY); } /* Initialize the region with the default fill value */ ACPI_MEMSET (RegionElement->Buffer, AcpiGbl_RegionFillValue, Length); RegionElement->Address = BaseAddress; RegionElement->Length = Length; RegionElement->SpaceId = SpaceId; RegionElement->NextRegion = NULL; /* * Increment the number of regions and put this one * at the head of the list as it will probably get accessed * more often anyway. */ AeRegions.NumberOfRegions += 1; if (AeRegions.RegionList) { RegionElement->NextRegion = AeRegions.RegionList; } AeRegions.RegionList = RegionElement; } /* * Calculate the size of the memory copy */ ByteWidth = (BitWidth / 8); if (BitWidth % 8) { ByteWidth += 1; } /* * The buffer exists and is pointed to by RegionElement. * We now need to verify the request is valid and perform the operation. * * NOTE: RegionElement->Length is in bytes, therefore it we compare against * ByteWidth (see above) */ if (((UINT64) Address + ByteWidth) > ((UINT64)(RegionElement->Address) + RegionElement->Length)) { ACPI_WARNING ((AE_INFO, "Request on [%4.4s] is beyond region limit Req-0x%X+0x%X, Base=0x%X, Len-0x%X", (RegionObject->Region.Node)->Name.Ascii, (UINT32) Address, ByteWidth, (UINT32)(RegionElement->Address), RegionElement->Length)); return (AE_AML_REGION_LIMIT); } /* * Get BufferValue to point to the "address" in the buffer */ BufferValue = ((UINT8 *) RegionElement->Buffer + ((UINT64) Address - (UINT64) RegionElement->Address)); DoFunction: /* * Perform a read or write to the buffer space */ switch (Function) { case ACPI_READ: /* * Set the pointer Value to whatever is in the buffer */ ACPI_MEMCPY (Value, BufferValue, ByteWidth); break; case ACPI_WRITE: /* * Write the contents of Value to the buffer */ ACPI_MEMCPY (BufferValue, Value, ByteWidth); break; default: return (AE_BAD_PARAMETER); } if (AcpiGbl_DisplayRegionAccess) { switch (SpaceId) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: AcpiOsPrintf ("AcpiExec: SystemMemory " "%s: Val %.8X Addr %.4X Width %X [REGION: BaseAddr %.4X Len %.2X]\n", (Function & ACPI_IO_MASK) ? "Write" : "Read ", (UINT32) *Value, (UINT32) Address, BitWidth, (UINT32) BaseAddress, Length); break; case ACPI_ADR_SPACE_GPIO: /* ACPI 5.0 */ /* This space is required to always be ByteAcc */ Status = AcpiBufferToResource (MyContext->Connection, MyContext->Length, &Resource); AcpiOsPrintf ("AcpiExec: GeneralPurposeIo " "%s: Val %.8X Addr %.4X BaseAddr %.4X Len %.2X Width %X AccLen %.2X Conn %p\n", (Function & ACPI_IO_MASK) ? "Write" : "Read ", (UINT32) *Value, (UINT32) Address, (UINT32) BaseAddress, Length, BitWidth, MyContext->AccessLength, MyContext->Connection); break; default: break; } } return (AE_OK); }