diff options
Diffstat (limited to 'sys/contrib/dev/acpica/utmisc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utmisc.c | 325 |
1 files changed, 229 insertions, 96 deletions
diff --git a/sys/contrib/dev/acpica/utmisc.c b/sys/contrib/dev/acpica/utmisc.c index e0e1fa1..18c2901 100644 --- a/sys/contrib/dev/acpica/utmisc.c +++ b/sys/contrib/dev/acpica/utmisc.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Module Name: utmisc - common utility procedures - * $Revision: 56 $ + * $Revision: 67 $ * ******************************************************************************/ @@ -9,7 +9,7 @@ * * 1. Copyright Notice * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. + * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. * All rights reserved. * * 2. License @@ -127,7 +127,53 @@ #define _COMPONENT ACPI_UTILITIES - MODULE_NAME ("utmisc") + ACPI_MODULE_NAME ("utmisc") + + +#ifdef ACPI_DEBUG +/******************************************************************************* + * + * FUNCTION: AcpiUtDisplayInitPathname + * + * PARAMETERS: ObjHandle - Handle whose pathname will be displayed + * Path - Additional path string to be appended + * + * RETURN: ACPI_STATUS + * + * DESCRIPTION: Display full pathnbame of an object, DEBUG ONLY + * + ******************************************************************************/ + +void +AcpiUtDisplayInitPathname ( + ACPI_HANDLE ObjHandle, + char *Path) +{ + ACPI_STATUS Status; + ACPI_BUFFER Buffer; + + + ACPI_FUNCTION_NAME ("UtDisplayInitPathname"); + + + Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; + + Status = AcpiNsHandleToPathname (ObjHandle, &Buffer); + if (ACPI_SUCCESS (Status)) + { + if (Path) + { + ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s.%s\n", (char *) Buffer.Pointer, Path)); + } + else + { + ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s\n", (char *) Buffer.Pointer)); + } + + ACPI_MEM_FREE (Buffer.Pointer); + } +} +#endif /******************************************************************************* @@ -153,7 +199,7 @@ AcpiUtValidAcpiName ( UINT32 i; - FUNCTION_ENTRY (); + ACPI_FUNCTION_ENTRY (); for (i = 0; i < ACPI_NAME_SIZE; i++) @@ -187,7 +233,7 @@ AcpiUtValidAcpiCharacter ( NATIVE_CHAR Character) { - FUNCTION_ENTRY (); + ACPI_FUNCTION_ENTRY (); return ((BOOLEAN) ((Character == '_') || (Character >= 'A' && Character <= 'Z') || @@ -214,14 +260,14 @@ AcpiUtStrupr ( NATIVE_CHAR *String; - FUNCTION_ENTRY (); + ACPI_FUNCTION_ENTRY (); /* Walk entire string, uppercasing the letters */ for (String = SrcString; *String; ) { - *String = (char) TOUPPER (*String); + *String = (char) ACPI_TOUPPER (*String); String++; } @@ -249,7 +295,7 @@ AcpiUtMutexInitialize ( ACPI_STATUS Status; - FUNCTION_TRACE ("UtMutexInitialize"); + ACPI_FUNCTION_TRACE ("UtMutexInitialize"); /* @@ -287,7 +333,7 @@ AcpiUtMutexTerminate ( UINT32 i; - FUNCTION_TRACE ("UtMutexTerminate"); + ACPI_FUNCTION_TRACE ("UtMutexTerminate"); /* @@ -321,7 +367,7 @@ AcpiUtCreateMutex ( ACPI_STATUS Status = AE_OK; - FUNCTION_TRACE_U32 ("UtCreateMutex", MutexId); + ACPI_FUNCTION_TRACE_U32 ("UtCreateMutex", MutexId); if (MutexId > MAX_MTX) @@ -361,7 +407,7 @@ AcpiUtDeleteMutex ( ACPI_STATUS Status; - FUNCTION_TRACE_U32 ("UtDeleteMutex", MutexId); + ACPI_FUNCTION_TRACE_U32 ("UtDeleteMutex", MutexId); if (MutexId > MAX_MTX) @@ -400,7 +446,7 @@ AcpiUtAcquireMutex ( UINT32 ThisThreadId; - PROC_NAME ("UtAcquireMutex"); + ACPI_FUNCTION_NAME ("UtAcquireMutex"); if (MutexId > MAX_MTX) @@ -446,7 +492,6 @@ AcpiUtAcquireMutex ( Status = AcpiOsWaitSemaphore (AcpiGbl_AcpiMutexInfo[MutexId].Mutex, 1, WAIT_FOREVER); - if (ACPI_SUCCESS (Status)) { ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", @@ -488,7 +533,7 @@ AcpiUtReleaseMutex ( UINT32 ThisThreadId; - PROC_NAME ("UtReleaseMutex"); + ACPI_FUNCTION_NAME ("UtReleaseMutex"); ThisThreadId = AcpiOsGetThreadId (); @@ -584,7 +629,7 @@ AcpiUtCreateUpdateStateAndPush ( ACPI_GENERIC_STATE *State; - FUNCTION_ENTRY (); + ACPI_FUNCTION_ENTRY (); /* Ignore null objects; these are expected */ @@ -630,7 +675,7 @@ AcpiUtCreatePkgStateAndPush ( ACPI_GENERIC_STATE *State; - FUNCTION_ENTRY (); + ACPI_FUNCTION_ENTRY (); State = AcpiUtCreatePkgState (InternalObject, ExternalObject, Index); @@ -663,7 +708,7 @@ AcpiUtPushGenericState ( ACPI_GENERIC_STATE **ListHead, ACPI_GENERIC_STATE *State) { - FUNCTION_TRACE ("UtPushGenericState"); + ACPI_FUNCTION_TRACE ("UtPushGenericState"); /* Push the state object onto the front of the list (stack) */ @@ -694,7 +739,7 @@ AcpiUtPopGenericState ( ACPI_GENERIC_STATE *State; - FUNCTION_TRACE ("UtPopGenericState"); + ACPI_FUNCTION_TRACE ("UtPopGenericState"); /* Remove the state object at the head of the list (stack) */ @@ -730,7 +775,7 @@ AcpiUtCreateGenericState (void) ACPI_GENERIC_STATE *State; - FUNCTION_ENTRY (); + ACPI_FUNCTION_ENTRY (); State = AcpiUtAcquireFromCache (ACPI_MEM_LIST_STATE); @@ -766,7 +811,7 @@ AcpiUtCreateThreadState ( ACPI_GENERIC_STATE *State; - FUNCTION_TRACE ("UtCreateThreadState"); + ACPI_FUNCTION_TRACE ("UtCreateThreadState"); /* Create the generic state object */ @@ -810,7 +855,7 @@ AcpiUtCreateUpdateState ( ACPI_GENERIC_STATE *State; - FUNCTION_TRACE_PTR ("UtCreateUpdateState", Object); + ACPI_FUNCTION_TRACE_PTR ("UtCreateUpdateState", Object); /* Create the generic state object */ @@ -854,7 +899,7 @@ AcpiUtCreatePkgState ( ACPI_GENERIC_STATE *State; - FUNCTION_TRACE_PTR ("UtCreatePkgState", InternalObject); + ACPI_FUNCTION_TRACE_PTR ("UtCreatePkgState", InternalObject); /* Create the generic state object */ @@ -897,7 +942,7 @@ AcpiUtCreateControlState ( ACPI_GENERIC_STATE *State; - FUNCTION_TRACE ("UtCreateControlState"); + ACPI_FUNCTION_TRACE ("UtCreateControlState"); /* Create the generic state object */ @@ -912,7 +957,7 @@ AcpiUtCreateControlState ( /* Init fields specific to the control struct */ State->Common.DataType = ACPI_DESC_TYPE_STATE_CONTROL; - State->Common.State = CONTROL_CONDITIONAL_EXECUTING; + State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING; return_PTR (State); } @@ -935,7 +980,7 @@ void AcpiUtDeleteGenericState ( ACPI_GENERIC_STATE *State) { - FUNCTION_TRACE ("UtDeleteGenericState"); + ACPI_FUNCTION_TRACE ("UtDeleteGenericState"); AcpiUtReleaseToCache (ACPI_MEM_LIST_STATE, State); @@ -960,7 +1005,7 @@ void AcpiUtDeleteGenericStateCache ( void) { - FUNCTION_TRACE ("UtDeleteGenericStateCache"); + ACPI_FUNCTION_TRACE ("UtDeleteGenericStateCache"); AcpiUtDeleteGenericCache (ACPI_MEM_LIST_STATE); @@ -970,109 +1015,113 @@ AcpiUtDeleteGenericStateCache ( /******************************************************************************* * - * FUNCTION: AcpiUtResolvePackageReferences + * FUNCTION: AcpiUtResolveReference * - * PARAMETERS: ObjDesc - The Package object on which to resolve refs + * PARAMETERS: ACPI_PKG_CALLBACK * - * RETURN: Status + * RETURN: Status - the status of the call * - * DESCRIPTION: Walk through a package and turn internal references into values + * DESCRIPTION: Resolve a reference object to an actual value * ******************************************************************************/ ACPI_STATUS -AcpiUtResolvePackageReferences ( - ACPI_OPERAND_OBJECT *ObjDesc) +AcpiUtResolveReference ( + UINT8 ObjectType, + ACPI_OPERAND_OBJECT *SourceObject, + ACPI_GENERIC_STATE *State, + void *Context) { - UINT32 Count; - ACPI_OPERAND_OBJECT *SubObject; - + ACPI_PKG_INFO *Info = (ACPI_PKG_INFO *) Context; - FUNCTION_TRACE ("UtResolvePackageReferences"); - - if (ObjDesc->Common.Type != ACPI_TYPE_PACKAGE) + switch (ObjectType) { - /* The object must be a package */ + case ACPI_COPY_TYPE_SIMPLE: - REPORT_ERROR (("Must resolve Package Refs on a Package\n")); - return_ACPI_STATUS(AE_ERROR); - } + /* + * Simple object - check for a reference + */ + if (SourceObject->Common.Type == INTERNAL_TYPE_REFERENCE) + { + switch (SourceObject->Reference.Opcode) + { + case AML_ZERO_OP: - /* - * TBD: what about nested packages? */ + SourceObject->Common.Type = ACPI_TYPE_INTEGER; + SourceObject->Integer.Value = 0; + break; - for (Count = 0; Count < ObjDesc->Package.Count; Count++) - { - SubObject = ObjDesc->Package.Elements[Count]; + case AML_ONE_OP: - if (SubObject->Common.Type == INTERNAL_TYPE_REFERENCE) - { - if (SubObject->Reference.Opcode == AML_ZERO_OP) - { - SubObject->Common.Type = ACPI_TYPE_INTEGER; - SubObject->Integer.Value = 0; - } + SourceObject->Common.Type = ACPI_TYPE_INTEGER; + SourceObject->Integer.Value = 1; + break; - else if (SubObject->Reference.Opcode == AML_ONE_OP) - { - SubObject->Common.Type = ACPI_TYPE_INTEGER; - SubObject->Integer.Value = 1; - } + case AML_ONES_OP: - else if (SubObject->Reference.Opcode == AML_ONES_OP) - { - SubObject->Common.Type = ACPI_TYPE_INTEGER; - SubObject->Integer.Value = ACPI_INTEGER_MAX; + SourceObject->Common.Type = ACPI_TYPE_INTEGER; + SourceObject->Integer.Value = ACPI_INTEGER_MAX; + break; } } + break; + + + case ACPI_COPY_TYPE_PACKAGE: + + /* Package object - nothing much to do here, let the walk handle it */ + + Info->NumPackages++; + State->Pkg.ThisTargetObj = NULL; + break; } - return_ACPI_STATUS(AE_OK); + return (AE_OK); } -#ifdef ACPI_DEBUG /******************************************************************************* * - * FUNCTION: AcpiUtDisplayInitPathname + * FUNCTION: AcpiUtResolvePackageReferences * - * PARAMETERS: ObjHandle - Handle whose pathname will be displayed - * Path - Additional path string to be appended + * PARAMETERS: ObjDesc - The Package object on which to resolve refs * - * RETURN: ACPI_STATUS + * RETURN: Status * - * DESCRIPTION: Display full pathnbame of an object, DEBUG ONLY + * DESCRIPTION: Walk through a package and turn internal references into values * ******************************************************************************/ -void -AcpiUtDisplayInitPathname ( - ACPI_HANDLE ObjHandle, - char *Path) +ACPI_STATUS +AcpiUtResolvePackageReferences ( + ACPI_OPERAND_OBJECT *ObjDesc) { + ACPI_PKG_INFO Info; ACPI_STATUS Status; - UINT32 Length = 128; - char Buffer[128]; - PROC_NAME ("UtDisplayInitPathname"); + ACPI_FUNCTION_TRACE ("UtResolvePackageReferences"); - Status = AcpiNsHandleToPathname (ObjHandle, &Length, Buffer); - if (ACPI_SUCCESS (Status)) + if (ObjDesc->Common.Type != ACPI_TYPE_PACKAGE) { - if (Path) - { - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s.%s\n", Buffer, Path)); - } - else - { - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s\n", Buffer)); - } + /* The object must be a package */ + + ACPI_REPORT_ERROR (("Expecting a Package object\n")); + return_ACPI_STATUS (AE_TYPE); } + + Info.Length = 0; + Info.ObjectSpace = 0; + Info.NumPackages = 1; + + Status = AcpiUtWalkPackageTree (ObjDesc, NULL, + AcpiUtResolveReference, &Info); + + return_ACPI_STATUS (Status); } -#endif + /******************************************************************************* * @@ -1100,7 +1149,7 @@ AcpiUtWalkPackageTree ( ACPI_OPERAND_OBJECT *ThisSourceObj; - FUNCTION_TRACE ("UtWalkPackageTree"); + ACPI_FUNCTION_TRACE ("UtWalkPackageTree"); State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0); @@ -1118,18 +1167,15 @@ AcpiUtWalkPackageTree ( /* * Check for: * 1) An uninitialized package element. It is completely - * legal to declare a package and leave it uninitialized + * legal to declare a package and leave it uninitialized * 2) Not an internal object - can be a namespace node instead * 3) Any type other than a package. Packages are handled in else - * case below. + * case below. */ if ((!ThisSourceObj) || - (!VALID_DESCRIPTOR_TYPE ( - ThisSourceObj, ACPI_DESC_TYPE_INTERNAL)) || - (!IS_THIS_OBJECT_TYPE ( - ThisSourceObj, ACPI_TYPE_PACKAGE))) + (ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) != ACPI_DESC_TYPE_INTERNAL) || + (ThisSourceObj->Common.Type != ACPI_TYPE_PACKAGE)) { - Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj, State, Context); if (ACPI_FAILURE (Status)) @@ -1202,6 +1248,93 @@ AcpiUtWalkPackageTree ( /******************************************************************************* * + * FUNCTION: AcpiUtGenerateChecksum + * + * PARAMETERS: Buffer - Buffer to be scanned + * Length - number of bytes to examine + * + * RETURN: checksum + * + * DESCRIPTION: Generate a checksum on a raw buffer + * + ******************************************************************************/ + +UINT8 +AcpiUtGenerateChecksum ( + UINT8 *Buffer, + UINT32 Length) +{ + UINT32 i; + signed char Sum = 0; + + for (i = 0; i < Length; i++) + { + Sum = (signed char) (Sum + Buffer[i]); + } + + return ((UINT8) (0 - Sum)); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtGetResourceEndTag + * + * PARAMETERS: ObjDesc - The resource template buffer object + * + * RETURN: Pointer to the end tag + * + * DESCRIPTION: Find the END_TAG resource descriptor in a resource template + * + ******************************************************************************/ + + +UINT8 * +AcpiUtGetResourceEndTag ( + ACPI_OPERAND_OBJECT *ObjDesc) +{ + UINT8 BufferByte; + UINT8 *Buffer; + UINT8 *EndBuffer; + + + Buffer = ObjDesc->Buffer.Pointer; + EndBuffer = Buffer + ObjDesc->Buffer.Length; + + while (Buffer < EndBuffer) + { + BufferByte = *Buffer; + if (BufferByte & ACPI_RDESC_TYPE_MASK) + { + /* Large Descriptor - Length is next 2 bytes */ + + Buffer += ((*(Buffer+1) | (*(Buffer+2) << 8)) + 3); + } + else + { + /* Small Descriptor. End Tag will be found here */ + + if ((BufferByte & ACPI_RDESC_SMALL_MASK) == ACPI_RDESC_TYPE_END_TAG) + { + /* Found the end tag descriptor, all done. */ + + return (Buffer); + } + + /* Length is in the header */ + + Buffer += ((BufferByte & 0x07) + 1); + } + } + + /* End tag not found */ + + return (NULL); +} + + +/******************************************************************************* + * * FUNCTION: AcpiUtReportError * * PARAMETERS: ModuleName - Caller's module name (for error output) |
