diff options
Diffstat (limited to 'dispatcher/dswload.c')
| -rw-r--r-- | dispatcher/dswload.c | 695 |
1 files changed, 1 insertions, 694 deletions
diff --git a/dispatcher/dswload.c b/dispatcher/dswload.c index 9df7dbaaefda8..97c3a9486c7f4 100644 --- a/dispatcher/dswload.c +++ b/dispatcher/dswload.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Module Name: dswload - Dispatcher namespace load callbacks + * Module Name: dswload - Dispatcher first pass namespace load callbacks * *****************************************************************************/ @@ -50,7 +50,6 @@ #include "acdispat.h" #include "acinterp.h" #include "acnamesp.h" -#include "acevents.h" #ifdef ACPI_ASL_COMPILER #include "acdisasm.h" @@ -550,695 +549,3 @@ AcpiDsLoad1EndOp ( return_ACPI_STATUS (Status); } - - -/******************************************************************************* - * - * FUNCTION: AcpiDsLoad2BeginOp - * - * PARAMETERS: WalkState - Current state of the parse tree walk - * OutOp - Wher to return op if a new one is created - * - * RETURN: Status - * - * DESCRIPTION: Descending callback used during the loading of ACPI tables. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsLoad2BeginOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT **OutOp) -{ - ACPI_PARSE_OBJECT *Op; - ACPI_NAMESPACE_NODE *Node; - ACPI_STATUS Status; - ACPI_OBJECT_TYPE ObjectType; - char *BufferPtr; - UINT32 Flags; - - - ACPI_FUNCTION_TRACE (DsLoad2BeginOp); - - - Op = WalkState->Op; - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState)); - - if (Op) - { - if ((WalkState->ControlState) && - (WalkState->ControlState->Common.State == - ACPI_CONTROL_CONDITIONAL_EXECUTING)) - { - /* We are executing a while loop outside of a method */ - - Status = AcpiDsExecBeginOp (WalkState, OutOp); - return_ACPI_STATUS (Status); - } - - /* We only care about Namespace opcodes here */ - - if ((!(WalkState->OpInfo->Flags & AML_NSOPCODE) && - (WalkState->Opcode != AML_INT_NAMEPATH_OP)) || - (!(WalkState->OpInfo->Flags & AML_NAMED))) - { - return_ACPI_STATUS (AE_OK); - } - - /* Get the name we are going to enter or lookup in the namespace */ - - if (WalkState->Opcode == AML_INT_NAMEPATH_OP) - { - /* For Namepath op, get the path string */ - - BufferPtr = Op->Common.Value.String; - if (!BufferPtr) - { - /* No name, just exit */ - - return_ACPI_STATUS (AE_OK); - } - } - else - { - /* Get name from the op */ - - BufferPtr = ACPI_CAST_PTR (char, &Op->Named.Name); - } - } - else - { - /* Get the namestring from the raw AML */ - - BufferPtr = AcpiPsGetNextNamestring (&WalkState->ParserState); - } - - /* Map the opcode into an internal object type */ - - ObjectType = WalkState->OpInfo->ObjectType; - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "State=%p Op=%p Type=%X\n", WalkState, Op, ObjectType)); - - switch (WalkState->Opcode) - { - case AML_FIELD_OP: - case AML_BANK_FIELD_OP: - case AML_INDEX_FIELD_OP: - - Node = NULL; - Status = AE_OK; - break; - - case AML_INT_NAMEPATH_OP: - /* - * The NamePath is an object reference to an existing object. - * Don't enter the name into the namespace, but look it up - * for use later. - */ - Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, - ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, - WalkState, &(Node)); - break; - - case AML_SCOPE_OP: - - /* Special case for Scope(\) -> refers to the Root node */ - - if (Op && (Op->Named.Node == AcpiGbl_RootNode)) - { - Node = Op->Named.Node; - - Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - else - { - /* - * The Path is an object reference to an existing object. - * Don't enter the name into the namespace, but look it up - * for use later. - */ - Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, - ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, - WalkState, &(Node)); - if (ACPI_FAILURE (Status)) - { -#ifdef ACPI_ASL_COMPILER - if (Status == AE_NOT_FOUND) - { - Status = AE_OK; - } - else - { - ACPI_ERROR_NAMESPACE (BufferPtr, Status); - } -#else - ACPI_ERROR_NAMESPACE (BufferPtr, Status); -#endif - return_ACPI_STATUS (Status); - } - } - - /* - * We must check to make sure that the target is - * one of the opcodes that actually opens a scope - */ - switch (Node->Type) - { - case ACPI_TYPE_ANY: - case ACPI_TYPE_LOCAL_SCOPE: /* Scope */ - case ACPI_TYPE_DEVICE: - case ACPI_TYPE_POWER: - case ACPI_TYPE_PROCESSOR: - case ACPI_TYPE_THERMAL: - - /* These are acceptable types */ - break; - - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* - * These types we will allow, but we will change the type. - * This enables some existing code of the form: - * - * Name (DEB, 0) - * Scope (DEB) { ... } - */ - ACPI_WARNING ((AE_INFO, - "Type override - [%4.4s] had invalid type (%s) " - "for Scope operator, changed to type ANY\n", - AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type))); - - Node->Type = ACPI_TYPE_ANY; - WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY; - break; - - default: - - /* All other types are an error */ - - ACPI_ERROR ((AE_INFO, - "Invalid type (%s) for target of " - "Scope operator [%4.4s] (Cannot override)", - AcpiUtGetTypeName (Node->Type), AcpiUtGetNodeName (Node))); - - return (AE_AML_OPERAND_TYPE); - } - break; - - default: - - /* All other opcodes */ - - if (Op && Op->Common.Node) - { - /* This op/node was previously entered into the namespace */ - - Node = Op->Common.Node; - - if (AcpiNsOpensScope (ObjectType)) - { - Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - return_ACPI_STATUS (AE_OK); - } - - /* - * Enter the named type into the internal namespace. We enter the name - * as we go downward in the parse tree. Any necessary subobjects that - * involve arguments to the opcode must be created as we go back up the - * parse tree later. - * - * Note: Name may already exist if we are executing a deferred opcode. - */ - if (WalkState->DeferredNode) - { - /* This name is already in the namespace, get the node */ - - Node = WalkState->DeferredNode; - Status = AE_OK; - break; - } - - Flags = ACPI_NS_NO_UPSEARCH; - if (WalkState->PassNumber == ACPI_IMODE_EXECUTE) - { - /* Execution mode, node cannot already exist, node is temporary */ - - Flags |= ACPI_NS_ERROR_IF_FOUND; - - if (!(WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL)) - { - Flags |= ACPI_NS_TEMPORARY; - } - } - - /* Add new entry or lookup existing entry */ - - Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, - ACPI_IMODE_LOAD_PASS2, Flags, WalkState, &Node); - - if (ACPI_SUCCESS (Status) && (Flags & ACPI_NS_TEMPORARY)) - { - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "***New Node [%4.4s] %p is temporary\n", - AcpiUtGetNodeName (Node), Node)); - } - break; - } - - if (ACPI_FAILURE (Status)) - { - ACPI_ERROR_NAMESPACE (BufferPtr, Status); - return_ACPI_STATUS (Status); - } - - if (!Op) - { - /* Create a new op */ - - Op = AcpiPsAllocOp (WalkState->Opcode); - if (!Op) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Initialize the new op */ - - if (Node) - { - Op->Named.Name = Node->Name.Integer; - } - *OutOp = Op; - } - - /* - * Put the Node in the "op" object that the parser uses, so we - * can get it again quickly when this scope is closed - */ - Op->Common.Node = Node; - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsLoad2EndOp - * - * PARAMETERS: WalkState - Current state of the parse tree walk - * - * RETURN: Status - * - * DESCRIPTION: Ascending callback used during the loading of the namespace, - * both control methods and everything else. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsLoad2EndOp ( - ACPI_WALK_STATE *WalkState) -{ - ACPI_PARSE_OBJECT *Op; - ACPI_STATUS Status = AE_OK; - ACPI_OBJECT_TYPE ObjectType; - ACPI_NAMESPACE_NODE *Node; - ACPI_PARSE_OBJECT *Arg; - ACPI_NAMESPACE_NODE *NewNode; -#ifndef ACPI_NO_METHOD_EXECUTION - UINT32 i; - UINT8 RegionSpace; -#endif - - - ACPI_FUNCTION_TRACE (DsLoad2EndOp); - - Op = WalkState->Op; - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n", - WalkState->OpInfo->Name, Op, WalkState)); - - /* Check if opcode had an associated namespace object */ - - if (!(WalkState->OpInfo->Flags & AML_NSOBJECT)) - { - return_ACPI_STATUS (AE_OK); - } - - if (Op->Common.AmlOpcode == AML_SCOPE_OP) - { - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "Ending scope Op=%p State=%p\n", Op, WalkState)); - } - - ObjectType = WalkState->OpInfo->ObjectType; - - /* - * Get the Node/name from the earlier lookup - * (It was saved in the *op structure) - */ - Node = Op->Common.Node; - - /* - * Put the Node on the object stack (Contains the ACPI Name of - * this object) - */ - WalkState->Operands[0] = (void *) Node; - WalkState->NumOperands = 1; - - /* Pop the scope stack */ - - if (AcpiNsOpensScope (ObjectType) && - (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP)) - { - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", - AcpiUtGetTypeName (ObjectType), Op)); - - Status = AcpiDsScopeStackPop (WalkState); - if (ACPI_FAILURE (Status)) - { - goto Cleanup; - } - } - - /* - * Named operations are as follows: - * - * AML_ALIAS - * AML_BANKFIELD - * AML_CREATEBITFIELD - * AML_CREATEBYTEFIELD - * AML_CREATEDWORDFIELD - * AML_CREATEFIELD - * AML_CREATEQWORDFIELD - * AML_CREATEWORDFIELD - * AML_DATA_REGION - * AML_DEVICE - * AML_EVENT - * AML_FIELD - * AML_INDEXFIELD - * AML_METHOD - * AML_METHODCALL - * AML_MUTEX - * AML_NAME - * AML_NAMEDFIELD - * AML_OPREGION - * AML_POWERRES - * AML_PROCESSOR - * AML_SCOPE - * AML_THERMALZONE - */ - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "Create-Load [%s] State=%p Op=%p NamedObj=%p\n", - AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node)); - - /* Decode the opcode */ - - Arg = Op->Common.Value.Arg; - - switch (WalkState->OpInfo->Type) - { -#ifndef ACPI_NO_METHOD_EXECUTION - - case AML_TYPE_CREATE_FIELD: - /* - * Create the field object, but the field buffer and index must - * be evaluated later during the execution phase - */ - Status = AcpiDsCreateBufferField (Op, WalkState); - break; - - - case AML_TYPE_NAMED_FIELD: - /* - * If we are executing a method, initialize the field - */ - if (WalkState->MethodNode) - { - Status = AcpiDsInitFieldObjects (Op, WalkState); - } - - switch (Op->Common.AmlOpcode) - { - case AML_INDEX_FIELD_OP: - - Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Common.Node, - WalkState); - break; - - case AML_BANK_FIELD_OP: - - Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState); - break; - - case AML_FIELD_OP: - - Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState); - break; - - default: - /* All NAMED_FIELD opcodes must be handled above */ - break; - } - break; - - - case AML_TYPE_NAMED_SIMPLE: - - Status = AcpiDsCreateOperands (WalkState, Arg); - if (ACPI_FAILURE (Status)) - { - goto Cleanup; - } - - switch (Op->Common.AmlOpcode) - { - case AML_PROCESSOR_OP: - - Status = AcpiExCreateProcessor (WalkState); - break; - - case AML_POWER_RES_OP: - - Status = AcpiExCreatePowerResource (WalkState); - break; - - case AML_MUTEX_OP: - - Status = AcpiExCreateMutex (WalkState); - break; - - case AML_EVENT_OP: - - Status = AcpiExCreateEvent (WalkState); - break; - - - case AML_ALIAS_OP: - - Status = AcpiExCreateAlias (WalkState); - break; - - default: - /* Unknown opcode */ - - Status = AE_OK; - goto Cleanup; - } - - /* Delete operands */ - - for (i = 1; i < WalkState->NumOperands; i++) - { - AcpiUtRemoveReference (WalkState->Operands[i]); - WalkState->Operands[i] = NULL; - } - - break; -#endif /* ACPI_NO_METHOD_EXECUTION */ - - case AML_TYPE_NAMED_COMPLEX: - - switch (Op->Common.AmlOpcode) - { -#ifndef ACPI_NO_METHOD_EXECUTION - case AML_REGION_OP: - case AML_DATA_REGION_OP: - - if (Op->Common.AmlOpcode == AML_REGION_OP) - { - RegionSpace = (ACPI_ADR_SPACE_TYPE) - ((Op->Common.Value.Arg)->Common.Value.Integer); - } - else - { - RegionSpace = REGION_DATA_TABLE; - } - - /* - * The OpRegion is not fully parsed at this time. The only valid - * argument is the SpaceId. (We must save the address of the - * AML of the address and length operands) - * - * If we have a valid region, initialize it. The namespace is - * unlocked at this point. - * - * Need to unlock interpreter if it is locked (if we are running - * a control method), in order to allow _REG methods to be run - * during AcpiEvInitializeRegion. - */ - if (WalkState->MethodNode) - { - /* - * Executing a method: initialize the region and unlock - * the interpreter - */ - Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length, - RegionSpace, WalkState); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - AcpiExExitInterpreter (); - } - - Status = AcpiEvInitializeRegion (AcpiNsGetAttachedObject (Node), - FALSE); - if (WalkState->MethodNode) - { - AcpiExEnterInterpreter (); - } - - if (ACPI_FAILURE (Status)) - { - /* - * If AE_NOT_EXIST is returned, it is not fatal - * because many regions get created before a handler - * is installed for said region. - */ - if (AE_NOT_EXIST == Status) - { - Status = AE_OK; - } - } - break; - - - case AML_NAME_OP: - - Status = AcpiDsCreateNode (WalkState, Node, Op); - break; - - - case AML_METHOD_OP: - /* - * MethodOp PkgLength NameString MethodFlags TermList - * - * Note: We must create the method node/object pair as soon as we - * see the method declaration. This allows later pass1 parsing - * of invocations of the method (need to know the number of - * arguments.) - */ - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "LOADING-Method: State=%p Op=%p NamedObj=%p\n", - WalkState, Op, Op->Named.Node)); - - if (!AcpiNsGetAttachedObject (Op->Named.Node)) - { - WalkState->Operands[0] = ACPI_CAST_PTR (void, Op->Named.Node); - WalkState->NumOperands = 1; - - Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg); - if (ACPI_SUCCESS (Status)) - { - Status = AcpiExCreateMethod (Op->Named.Data, - Op->Named.Length, WalkState); - } - WalkState->Operands[0] = NULL; - WalkState->NumOperands = 0; - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - break; - -#endif /* ACPI_NO_METHOD_EXECUTION */ - - default: - /* All NAMED_COMPLEX opcodes must be handled above */ - break; - } - break; - - - case AML_CLASS_INTERNAL: - - /* case AML_INT_NAMEPATH_OP: */ - break; - - - case AML_CLASS_METHOD_CALL: - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n", - WalkState, Op, Node)); - - /* - * Lookup the method name and save the Node - */ - Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String, - ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2, - ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, - WalkState, &(NewNode)); - if (ACPI_SUCCESS (Status)) - { - /* - * Make sure that what we found is indeed a method - * We didn't search for a method on purpose, to see if the name - * would resolve - */ - if (NewNode->Type != ACPI_TYPE_METHOD) - { - Status = AE_AML_OPERAND_TYPE; - } - - /* We could put the returned object (Node) on the object stack for - * later, but for now, we will put it in the "op" object that the - * parser uses, so we can get it again at the end of this scope - */ - Op->Common.Node = NewNode; - } - else - { - ACPI_ERROR_NAMESPACE (Arg->Common.Value.String, Status); - } - break; - - - default: - break; - } - -Cleanup: - - /* Remove the Node pushed at the very beginning */ - - WalkState->Operands[0] = NULL; - WalkState->NumOperands = 0; - return_ACPI_STATUS (Status); -} - - |