void
UtAttachNamepathToOwner (
ACPI_PARSE_OBJECT *Op,
ACPI_PARSE_OBJECT *NameOp)
{
ACPI_STATUS Status;
/* Full external path */
Op->Asl.ExternalName = NameOp->Asl.Value.String;
/* Save the NameOp for possible error reporting later */
Op->Asl.ParentMethod = (void *) NameOp;
/* Last nameseg of the path */
UtAttachNameseg (Op, Op->Asl.ExternalName);
/* Create internalized path */
Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
if (ACPI_FAILURE (Status))
{
/* TBD: abort on no memory */
}
}
void
CgGenerateAmlLengths (
ACPI_PARSE_OBJECT *Op)
{
char *Buffer;
ACPI_STATUS Status;
switch (Op->Asl.AmlOpcode)
{
case AML_RAW_DATA_BYTE:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 1;
return;
case AML_RAW_DATA_WORD:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 2;
return;
case AML_RAW_DATA_DWORD:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 4;
return;
case AML_RAW_DATA_QWORD:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 8;
return;
case AML_RAW_DATA_BUFFER:
/* Aml length is/was set by creator */
Op->Asl.AmlOpcodeLength = 0;
return;
case AML_RAW_DATA_CHAIN:
/* Aml length is/was set by creator */
Op->Asl.AmlOpcodeLength = 0;
return;
default:
break;
}
switch (Op->Asl.ParseOpcode)
{
case PARSEOP_DEFINITIONBLOCK:
Gbl_TableLength = sizeof (ACPI_TABLE_HEADER) +
Op->Asl.AmlSubtreeLength;
break;
case PARSEOP_NAMESEG:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 4;
Op->Asl.ExternalName = Op->Asl.Value.String;
break;
case PARSEOP_NAMESTRING:
case PARSEOP_METHODCALL:
if (Op->Asl.CompileFlags & NODE_NAME_INTERNALIZED)
{
break;
}
Op->Asl.AmlOpcodeLength = 0;
Status = UtInternalizeName (Op->Asl.Value.String, &Buffer);
if (ACPI_FAILURE (Status))
{
DbgPrint (ASL_DEBUG_OUTPUT,
"Failure from internalize name %X\n", Status);
break;
}
Op->Asl.ExternalName = Op->Asl.Value.String;
Op->Asl.Value.String = Buffer;
Op->Asl.CompileFlags |= NODE_NAME_INTERNALIZED;
Op->Asl.AmlLength = strlen (Buffer);
/*
* Check for single backslash reference to root,
* make it a null terminated string in the AML
*/
if (Op->Asl.AmlLength == 1)
{
Op->Asl.AmlLength = 2;
}
break;
case PARSEOP_STRING_LITERAL:
Op->Asl.AmlOpcodeLength = 1;
/* Get null terminator */
Op->Asl.AmlLength = strlen (Op->Asl.Value.String) + 1;
break;
case PARSEOP_PACKAGE_LENGTH:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlPkgLenBytes = CgGetPackageLenByteCount (Op,
(UINT32) Op->Asl.Value.Integer);
break;
case PARSEOP_RAW_DATA:
Op->Asl.AmlOpcodeLength = 0;
break;
case PARSEOP_DEFAULT_ARG:
case PARSEOP_EXTERNAL:
case PARSEOP_INCLUDE:
case PARSEOP_INCLUDE_END:
/* Ignore the "default arg" nodes, they are extraneous at this point */
break;
default:
CgGenerateAmlOpcodeLength (Op);
break;
}
}
static ACPI_STATUS
LdNamespace2Begin (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context)
{
ACPI_WALK_STATE *WalkState = (ACPI_WALK_STATE *) Context;
ACPI_STATUS Status;
ACPI_NAMESPACE_NODE *Node;
ACPI_OBJECT_TYPE ObjectType;
BOOLEAN ForceNewScope = FALSE;
ACPI_PARSE_OBJECT *Arg;
char *Path;
ACPI_NAMESPACE_NODE *TargetNode;
ACPI_FUNCTION_NAME (LdNamespace2Begin);
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op %p [%s]\n",
Op, Op->Asl.ParseOpName));
/* Ignore Ops with no namespace node */
Node = Op->Asl.Node;
if (!Node)
{
return (AE_OK);
}
/* Get the type to determine if we should push the scope */
if ((Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) &&
(Op->Asl.CompileFlags == NODE_IS_RESOURCE_DESC))
{
ObjectType = ACPI_TYPE_LOCAL_RESOURCE;
}
else
{
ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
}
/* Push scope for Resource Templates */
if (Op->Asl.ParseOpcode == PARSEOP_NAME)
{
if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DESC)
{
ForceNewScope = TRUE;
}
}
/* Push the scope stack */
if (ForceNewScope || AcpiNsOpensScope (ObjectType))
{
Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
if (Op->Asl.ParseOpcode == PARSEOP_ALIAS)
{
/* Complete the alias node by getting and saving the target node */
/* First child is the alias target */
Arg = Op->Asl.Child;
/* Get the target pathname */
Path = Arg->Asl.Namepath;
if (!Path)
{
Status = UtInternalizeName (Arg->Asl.ExternalName, &Path);
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
/* Get the NS node associated with the target. It must exist. */
Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY,
ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
WalkState, &TargetNode);
if (ACPI_FAILURE (Status))
{
if (Status == AE_NOT_FOUND)
{
AslError (ASL_ERROR, ASL_MSG_NOT_FOUND, Op,
Op->Asl.ExternalName);
/*
* The name was not found, go ahead and create it.
* This prevents more errors later.
*/
Status = AcpiNsLookup (WalkState->ScopeInfo, Path,
ACPI_TYPE_ANY,
ACPI_IMODE_LOAD_PASS1, ACPI_NS_NO_UPSEARCH,
WalkState, &(Node));
return (AE_OK);
}
AslCoreSubsystemError (Op, Status,
"Failure from namespace lookup", FALSE);
return (AE_OK);
}
/* Save the target node within the alias node */
Node->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode);
}
return (AE_OK);
}
static void
ExMoveExternals (
ACPI_PARSE_OBJECT *DefinitionBlockOp)
{
ACPI_PARSE_OBJECT *ParentOp;
ACPI_PARSE_OBJECT *ExternalOp;
ACPI_PARSE_OBJECT *PredicateOp;
ACPI_PARSE_OBJECT *NextOp;
ACPI_PARSE_OBJECT *Prev;
ACPI_PARSE_OBJECT *Next;
char *ExternalName;
ACPI_OBJECT_TYPE ObjType;
ACPI_STATUS Status;
UINT32 i;
if (!AslGbl_ExternalsListHead)
{
return;
}
/* Remove the External nodes from the tree */
NextOp = AslGbl_ExternalsListHead;
while (NextOp)
{
/*
* The External is stored in child pointer of each node in the
* list
*/
ExternalOp = NextOp->Asl.Child;
/* Get/set the fully qualified name */
ExternalName = AcpiNsGetNormalizedPathname (ExternalOp->Asl.Node, TRUE);
ExternalOp->Asl.ExternalName = ExternalName;
ExternalOp->Asl.Namepath = ExternalName;
/* Set line numbers (for listings, etc.) */
ExternalOp->Asl.LineNumber = 0;
ExternalOp->Asl.LogicalLineNumber = 0;
Next = ExternalOp->Asl.Child;
Next->Asl.LineNumber = 0;
Next->Asl.LogicalLineNumber = 0;
if (Next->Asl.ParseOpcode == PARSEOP_NAMESEG)
{
Next->Asl.ParseOpcode = PARSEOP_NAMESTRING;
}
Next->Asl.ExternalName = ExternalName;
Status = UtInternalizeName (ExternalName, &Next->Asl.Value.String);
if (ACPI_FAILURE (Status))
{
AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL,
Next, "Could not internalize namestring");
return;
}
Next->Asl.AmlLength = strlen (Next->Asl.Value.String);
Next = Next->Asl.Next;
Next->Asl.LineNumber = 0;
Next->Asl.LogicalLineNumber = 0;
Next = Next->Asl.Next;
Next->Asl.LineNumber = 0;
Next->Asl.LogicalLineNumber = 0;
Next = Next->Asl.Next;
Next->Asl.LineNumber = 0;
Next->Asl.LogicalLineNumber = 0;
ParentOp = ExternalOp->Asl.Parent;
Prev = Next = ParentOp->Asl.Child;
/* Now find the External node's position in parse tree */
while (Next != ExternalOp)
{
Prev = Next;
Next = Next->Asl.Next;
}
/* Remove the External from the parse tree */
if (Prev == ExternalOp)
{
/* External was the first child node */
ParentOp->Asl.Child = ExternalOp->Asl.Next;
}
Prev->Asl.Next = ExternalOp->Asl.Next;
ExternalOp->Asl.Next = NULL;
ExternalOp->Asl.Parent = AslGbl_ExternalsListHead;
/* Point the External to the next in the list */
if (NextOp->Asl.Next)
{
ExternalOp->Asl.Next = NextOp->Asl.Next->Asl.Child;
}
NextOp = NextOp->Asl.Next;
}
/*
* Loop again to remove MethodObj Externals for which
* a MethodCall was not found (dead external reference)
*/
Prev = AslGbl_ExternalsListHead->Asl.Child;
Next = Prev;
while (Next)
{
ObjType = (ACPI_OBJECT_TYPE)
Next->Asl.Child->Asl.Next->Asl.Value.Integer;
if (ObjType == ACPI_TYPE_METHOD &&
!(Next->Asl.CompileFlags & OP_VISITED))
{
if (Next == Prev)
{
AslGbl_ExternalsListHead->Asl.Child = Next->Asl.Next;
Next->Asl.Next = NULL;
Prev = AslGbl_ExternalsListHead->Asl.Child;
Next = Prev;
continue;
}
else
{
Prev->Asl.Next = Next->Asl.Next;
Next->Asl.Next = NULL;
Next = Prev->Asl.Next;
continue;
}
}
Prev = Next;
Next = Next->Asl.Next;
}
/* If list is now empty, don't bother to make If (0) block */
if (!AslGbl_ExternalsListHead->Asl.Child)
{
return;
}
/* Convert Gbl_ExternalsListHead parent to If(). */
AslGbl_ExternalsListHead->Asl.ParseOpcode = PARSEOP_IF;
AslGbl_ExternalsListHead->Asl.AmlOpcode = AML_IF_OP;
AslGbl_ExternalsListHead->Asl.CompileFlags = OP_AML_PACKAGE;
UtSetParseOpName (AslGbl_ExternalsListHead);
/* Create a Zero op for the If predicate */
PredicateOp = TrAllocateOp (PARSEOP_ZERO);
PredicateOp->Asl.AmlOpcode = AML_ZERO_OP;
PredicateOp->Asl.Parent = AslGbl_ExternalsListHead;
PredicateOp->Asl.Child = NULL;
PredicateOp->Asl.Next = AslGbl_ExternalsListHead->Asl.Child;
AslGbl_ExternalsListHead->Asl.Child = PredicateOp;
/* Set line numbers (for listings, etc.) */
AslGbl_ExternalsListHead->Asl.LineNumber = 0;
AslGbl_ExternalsListHead->Asl.LogicalLineNumber = 0;
PredicateOp->Asl.LineNumber = 0;
PredicateOp->Asl.LogicalLineNumber = 0;
/* Insert block back in the list */
Prev = DefinitionBlockOp->Asl.Child;
Next = Prev;
/* Find last default arg */
for (i = 0; i < 6; i++)
{
Prev = Next;
Next = Prev->Asl.Next;
}
if (Next)
{
/* Definition Block is not empty */
AslGbl_ExternalsListHead->Asl.Next = Next;
}
else
{
/* Definition Block is empty. */
AslGbl_ExternalsListHead->Asl.Next = NULL;
}
Prev->Asl.Next = AslGbl_ExternalsListHead;
AslGbl_ExternalsListHead->Asl.Parent = Prev->Asl.Parent;
}
static void
ExInsertArgCount (
ACPI_PARSE_OBJECT *Op)
{
ACPI_PARSE_OBJECT *Next;
ACPI_PARSE_OBJECT *NameOp;
ACPI_PARSE_OBJECT *Child;
ACPI_PARSE_OBJECT *ArgCountOp;
char * ExternalName;
char * CallName;
UINT16 ArgCount = 0;
ACPI_STATUS Status;
CallName = AcpiNsGetNormalizedPathname (Op->Asl.Node, TRUE);
Next = AslGbl_ExternalsListHead;
while (Next)
{
ArgCount = 0;
/* Skip if External node already handled */
if (Next->Asl.Child->Asl.CompileFlags & OP_VISITED)
{
Next = Next->Asl.Next;
continue;
}
NameOp = Next->Asl.Child->Asl.Child;
ExternalName = AcpiNsGetNormalizedPathname (NameOp->Asl.Node, TRUE);
if (strcmp (CallName, ExternalName))
{
ACPI_FREE (ExternalName);
Next = Next->Asl.Next;
continue;
}
Next->Asl.Child->Asl.CompileFlags |= OP_VISITED;
/*
* Since we will reposition Externals to the Root, set Namepath
* to the fully qualified name and recalculate the aml length
*/
Status = UtInternalizeName (ExternalName,
&NameOp->Asl.Value.String);
ACPI_FREE (ExternalName);
if (ACPI_FAILURE (Status))
{
AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL,
NULL, "- Could not Internalize External");
break;
}
NameOp->Asl.AmlLength = strlen (NameOp->Asl.Value.String);
/* Get argument count */
Child = Op->Asl.Child;
while (Child)
{
ArgCount++;
Child = Child->Asl.Next;
}
/* Setup ArgCount operand */
ArgCountOp = Next->Asl.Child->Asl.Child->Asl.Next->Asl.Next;
ArgCountOp->Asl.Value.Integer = ArgCount;
break;
}
ACPI_FREE (CallName);
}
