1,6 → 1,6 |
/****************************************************************************** |
* |
* Module Name: dswload - Dispatcher namespace load callbacks |
* Module Name: dswload - Dispatcher first pass namespace load callbacks |
* |
*****************************************************************************/ |
|
8,7 → 8,7 |
* |
* 1. Copyright Notice |
* |
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. |
* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
* All rights reserved. |
* |
* 2. License |
122,7 → 122,6 |
#include "acdispat.h" |
#include "acinterp.h" |
#include "acnamesp.h" |
#include "acevents.h" |
|
#ifdef ACPI_ASL_COMPILER |
#include "acdisasm.h" |
539,7 → 538,7 |
else if (Op->Common.AmlOpcode == AML_DATA_REGION_OP) |
{ |
Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length, |
REGION_DATA_TABLE, WalkState); |
ACPI_ADR_SPACE_DATA_TABLE, WalkState); |
if (ACPI_FAILURE (Status)) |
{ |
return_ACPI_STATUS (Status); |
622,695 → 621,3 |
|
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); |
} |
|
|