diff options
Diffstat (limited to 'sys/contrib/dev/acpica/utdelete.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utdelete.c | 171 |
1 files changed, 86 insertions, 85 deletions
diff --git a/sys/contrib/dev/acpica/utdelete.c b/sys/contrib/dev/acpica/utdelete.c index 7714901..95d1feb 100644 --- a/sys/contrib/dev/acpica/utdelete.c +++ b/sys/contrib/dev/acpica/utdelete.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Module Name: utdelete - object deletion and reference count utilities - * $Revision: 100 $ + * $Revision: 1.107 $ * ******************************************************************************/ @@ -9,7 +9,7 @@ * * 1. Copyright Notice * - * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp. + * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp. * All rights reserved. * * 2. License @@ -120,16 +120,28 @@ #include <contrib/dev/acpica/acinterp.h> #include <contrib/dev/acpica/acnamesp.h> #include <contrib/dev/acpica/acevents.h> +#include <contrib/dev/acpica/amlcode.h> #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utdelete") +/* Local prototypes */ + +static void +AcpiUtDeleteInternalObj ( + ACPI_OPERAND_OBJECT *Object); + +static void +AcpiUtUpdateRefCount ( + ACPI_OPERAND_OBJECT *Object, + UINT32 Action); + /******************************************************************************* * * FUNCTION: AcpiUtDeleteInternalObj * - * PARAMETERS: *Object - Pointer to the list to be deleted + * PARAMETERS: Object - Object to be deleted * * RETURN: None * @@ -138,7 +150,7 @@ * ******************************************************************************/ -void +static void AcpiUtDeleteInternalObj ( ACPI_OPERAND_OBJECT *Object) { @@ -231,7 +243,8 @@ AcpiUtDeleteInternalObj ( case ACPI_TYPE_MUTEX: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Mutex %p, Semaphore %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Mutex %p, Semaphore %p\n", Object, Object->Mutex.Semaphore)); AcpiExUnlinkMutex (Object); @@ -241,7 +254,8 @@ AcpiUtDeleteInternalObj ( case ACPI_TYPE_EVENT: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Event %p, Semaphore %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Event %p, Semaphore %p\n", Object, Object->Event.Semaphore)); (void) AcpiOsDeleteSemaphore (Object->Event.Semaphore); @@ -251,7 +265,8 @@ AcpiUtDeleteInternalObj ( case ACPI_TYPE_METHOD: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Method %p\n", Object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Method %p\n", Object)); /* Delete the method semaphore if it exists */ @@ -265,7 +280,8 @@ AcpiUtDeleteInternalObj ( case ACPI_TYPE_REGION: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Region %p\n", Object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Region %p\n", Object)); SecondDesc = AcpiNsGetSecondaryObject (Object); if (SecondDesc) @@ -295,7 +311,8 @@ AcpiUtDeleteInternalObj ( case ACPI_TYPE_BUFFER_FIELD: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Buffer Field %p\n", Object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Buffer Field %p\n", Object)); SecondDesc = AcpiNsGetSecondaryObject (Object); if (SecondDesc) @@ -332,7 +349,7 @@ AcpiUtDeleteInternalObj ( * * FUNCTION: AcpiUtDeleteInternalObjectList * - * PARAMETERS: *ObjList - Pointer to the list to be deleted + * PARAMETERS: ObjList - Pointer to the list to be deleted * * RETURN: None * @@ -369,7 +386,7 @@ AcpiUtDeleteInternalObjectList ( * * FUNCTION: AcpiUtUpdateRefCount * - * PARAMETERS: *Object - Object whose ref count is to be updated + * PARAMETERS: Object - Object whose ref count is to be updated * Action - What to do * * RETURN: New ref count @@ -399,7 +416,8 @@ AcpiUtUpdateRefCount ( NewCount = Count; /* - * Perform the reference count action (increment, decrement, or force delete) + * Perform the reference count action + * (increment, decrement, or force delete) */ switch (Action) { @@ -409,7 +427,8 @@ AcpiUtUpdateRefCount ( NewCount++; Object->Common.ReferenceCount = NewCount; - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Incremented]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, [Incremented]\n", Object, NewCount)); break; @@ -418,7 +437,8 @@ AcpiUtUpdateRefCount ( if (Count < 1) { - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, can't decrement! (Set to 0)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, can't decrement! (Set to 0)\n", Object, NewCount)); NewCount = 0; @@ -427,13 +447,15 @@ AcpiUtUpdateRefCount ( { NewCount--; - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Decremented]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, [Decremented]\n", Object, NewCount)); } if (ACPI_GET_OBJECT_TYPE (Object) == ACPI_TYPE_METHOD) { - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Method Obj %p Refs=%X, [Decremented]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Method Obj %p Refs=%X, [Decremented]\n", Object, NewCount)); } @@ -448,7 +470,8 @@ AcpiUtUpdateRefCount ( case REF_FORCE_DELETE: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, Force delete! (Set to 0)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, Force delete! (Set to 0)\n", Object, Count)); NewCount = 0; @@ -483,7 +506,7 @@ AcpiUtUpdateRefCount ( * * FUNCTION: AcpiUtUpdateObjectReference * - * PARAMETERS: *Object - Increment ref count for this object + * PARAMETERS: Object - Increment ref count for this object * and all sub-objects * Action - Either REF_INCREMENT or REF_DECREMENT or * REF_FORCE_DELETE @@ -506,37 +529,26 @@ AcpiUtUpdateObjectReference ( ACPI_OPERAND_OBJECT *Object, UINT16 Action) { - ACPI_STATUS Status; - UINT32 i; - ACPI_GENERIC_STATE *StateList = NULL; - ACPI_GENERIC_STATE *State; + ACPI_STATUS Status = AE_OK; + ACPI_GENERIC_STATE *StateList = NULL; + ACPI_OPERAND_OBJECT *NextObject = NULL; + ACPI_GENERIC_STATE *State; + ACPI_NATIVE_UINT i; ACPI_FUNCTION_TRACE_PTR ("UtUpdateObjectReference", Object); - /* Ignore a null object ptr */ - - if (!Object) + while (Object) { - return_ACPI_STATUS (AE_OK); - } - - /* Make sure that this isn't a namespace handle */ + /* Make sure that this isn't a namespace handle */ - if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED) - { - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p is NS handle\n", Object)); - return_ACPI_STATUS (AE_OK); - } - - State = AcpiUtCreateUpdateState (Object, Action); - - while (State) - { - Object = State->Update.Object; - Action = State->Update.Value; - AcpiUtDeleteGenericState (State); + if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Object %p is NS handle\n", Object)); + return_ACPI_STATUS (AE_OK); + } /* * All sub-objects must have their reference count incremented also. @@ -550,12 +562,10 @@ AcpiUtUpdateObjectReference ( AcpiUtUpdateRefCount (Object->Device.DeviceNotify, Action); break; - case ACPI_TYPE_PACKAGE: - /* - * We must update all the sub-objects of the package - * (Each of whom may have their own sub-objects, etc. + * We must update all the sub-objects of the package, + * each of whom may have their own sub-objects. */ for (i = 0; i < Object->Package.Count; i++) { @@ -573,38 +583,19 @@ AcpiUtUpdateObjectReference ( } break; - case ACPI_TYPE_BUFFER_FIELD: - Status = AcpiUtCreateUpdateStateAndPush ( - Object->BufferField.BufferObj, Action, &StateList); - if (ACPI_FAILURE (Status)) - { - goto ErrorExit; - } + NextObject = Object->BufferField.BufferObj; break; - case ACPI_TYPE_LOCAL_REGION_FIELD: - Status = AcpiUtCreateUpdateStateAndPush ( - Object->Field.RegionObj, Action, &StateList); - if (ACPI_FAILURE (Status)) - { - goto ErrorExit; - } - break; - + NextObject = Object->Field.RegionObj; + break; case ACPI_TYPE_LOCAL_BANK_FIELD: - Status = AcpiUtCreateUpdateStateAndPush ( - Object->BankField.BankObj, Action, &StateList); - if (ACPI_FAILURE (Status)) - { - goto ErrorExit; - } - + NextObject = Object->BankField.BankObj; Status = AcpiUtCreateUpdateStateAndPush ( Object->BankField.RegionObj, Action, &StateList); if (ACPI_FAILURE (Status)) @@ -613,31 +604,31 @@ AcpiUtUpdateObjectReference ( } break; - case ACPI_TYPE_LOCAL_INDEX_FIELD: + NextObject = Object->IndexField.IndexObj; Status = AcpiUtCreateUpdateStateAndPush ( - Object->IndexField.IndexObj, Action, &StateList); + Object->IndexField.DataObj, Action, &StateList); if (ACPI_FAILURE (Status)) { goto ErrorExit; } + break; - Status = AcpiUtCreateUpdateStateAndPush ( - Object->IndexField.DataObj, Action, &StateList); - if (ACPI_FAILURE (Status)) + case ACPI_TYPE_LOCAL_REFERENCE: + /* + * The target of an Index (a package, string, or buffer) must track + * changes to the ref count of the index. + */ + if (Object->Reference.Opcode == AML_INDEX_OP) { - goto ErrorExit; + NextObject = Object->Reference.Object; } break; - case ACPI_TYPE_REGION: - case ACPI_TYPE_LOCAL_REFERENCE: default: - - /* No subobjects */ - break; + break;/* No subobjects */ } /* @@ -646,15 +637,25 @@ AcpiUtUpdateObjectReference ( * main object to be deleted. */ AcpiUtUpdateRefCount (Object, Action); + Object = NULL; /* Move on to the next object to be updated */ - State = AcpiUtPopGenericState (&StateList); + if (NextObject) + { + Object = NextObject; + NextObject = NULL; + } + else if (StateList) + { + State = AcpiUtPopGenericState (&StateList); + Object = State->Update.Object; + AcpiUtDeleteGenericState (State); + } } return_ACPI_STATUS (AE_OK); - ErrorExit: ACPI_REPORT_ERROR (("Could not update object reference count, %s\n", @@ -668,8 +669,8 @@ ErrorExit: * * FUNCTION: AcpiUtAddReference * - * PARAMETERS: *Object - Object whose reference count is to be - * incremented + * PARAMETERS: Object - Object whose reference count is to be + * incremented * * RETURN: None * @@ -707,7 +708,7 @@ AcpiUtAddReference ( * * FUNCTION: AcpiUtRemoveReference * - * PARAMETERS: *Object - Object whose ref count will be decremented + * PARAMETERS: Object - Object whose ref count will be decremented * * RETURN: None * |
