WebSVN – Kolibri OS – Diff – /drivers/devman/acpica/dispatcher/dswload.c

 /******************************************************************************
+ *
- * Module Name: dswload - Dispatcher namespace load callbacks
+ * Module Name: dswload - Dispatcher first pass namespace load callbacks
+ *
  *****************************************************************************/
 /******************************************************************************
+ *
  * 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
+ *
  * 2.1. This is your license from Intel Corp. under its intellectual property
  * rights.  You may have additional license terms from the party that provided
  * you this software, covering your right to use that party's intellectual
  * property rights.
+ *
  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  * copy of the source code appearing in this file ("Covered Code") an
  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  * base code distributed originally by Intel ("Original Intel Code") to copy,
  * make derivatives, distribute, use and display any portion of the Covered
  * Code in any form, with the right to sublicense such rights; and
+ *
  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  * license (with the right to sublicense), under only those claims of Intel
  * patents that are infringed by the Original Intel Code, to make, use, sell,
  * offer to sell, and import the Covered Code and derivative works thereof
  * solely to the minimum extent necessary to exercise the above copyright
  * license, and in no event shall the patent license extend to any additions
  * to or modifications of the Original Intel Code.  No other license or right
  * is granted directly or by implication, estoppel or otherwise;
+ *
  * The above copyright and patent license is granted only if the following
  * conditions are met:
+ *
  * 3. Conditions
+ *
  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  * Redistribution of source code of any substantial portion of the Covered
  * Code or modification with rights to further distribute source must include
  * the above Copyright Notice, the above License, this list of Conditions,
  * and the following Disclaimer and Export Compliance provision.  In addition,
  * Licensee must cause all Covered Code to which Licensee contributes to
  * contain a file documenting the changes Licensee made to create that Covered
  * Code and the date of any change.  Licensee must include in that file the
  * documentation of any changes made by any predecessor Licensee.  Licensee
  * must include a prominent statement that the modification is derived,
  * directly or indirectly, from Original Intel Code.
+ *
  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  * Redistribution of source code of any substantial portion of the Covered
  * Code or modification without rights to further distribute source must
  * include the following Disclaimer and Export Compliance provision in the
  * documentation and/or other materials provided with distribution.  In
  * addition, Licensee may not authorize further sublicense of source of any
  * portion of the Covered Code, and must include terms to the effect that the
  * license from Licensee to its licensee is limited to the intellectual
  * property embodied in the software Licensee provides to its licensee, and
  * not to intellectual property embodied in modifications its licensee may
  * make.
+ *
  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  * substantial portion of the Covered Code or modification must reproduce the
  * above Copyright Notice, and the following Disclaimer and Export Compliance
  * provision in the documentation and/or other materials provided with the
  * distribution.
+ *
  * 3.4. Intel retains all right, title, and interest in and to the Original
  * Intel Code.
+ *
  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  * Intel shall be used in advertising or otherwise to promote the sale, use or
  * other dealings in products derived from or relating to the Covered Code
  * without prior written authorization from Intel.
+ *
  * 4. Disclaimer and Export Compliance
+ *
  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  * PARTICULAR PURPOSE.
+ *
  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  * LIMITED REMEDY.
+ *
  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  * software or system incorporating such software without first obtaining any
  * required license or other approval from the U. S. Department of Commerce or
  * any other agency or department of the United States Government.  In the
  * event Licensee exports any such software from the United States or
  * re-exports any such software from a foreign destination, Licensee shall
  * ensure that the distribution and export/re-export of the software is in
  * compliance with all laws, regulations, orders, or other restrictions of the
  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  * any of its subsidiaries will export/re-export any technical data, process,
  * software, or service, directly or indirectly, to any country for which the
  * United States government or any agency thereof requires an export license,
  * other governmental approval, or letter of assurance, without first obtaining
  * such license, approval or letter.
+ *
  *****************************************************************************/
 #define __DSWLOAD_C__
 #include "acpi.h"
 #include "accommon.h"
 #include "acparser.h"
 #include "amlcode.h"
 #include "acdispat.h"
 #include "acinterp.h"
 #include "acnamesp.h"
-#include "acevents.h"
 #ifdef ACPI_ASL_COMPILER
 #include "acdisasm.h"
 #endif
 #define _COMPONENT          ACPI_DISPATCHER
         ACPI_MODULE_NAME    ("dswload")
 /*******************************************************************************
+ *
  * FUNCTION:    AcpiDsInitCallbacks
+ *
  * PARAMETERS:  WalkState       - Current state of the parse tree walk
  *              PassNumber      - 1, 2, or 3
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: Init walk state callbacks
+ *
  ******************************************************************************/
 ACPI_STATUS
 AcpiDsInitCallbacks (
     ACPI_WALK_STATE         *WalkState,
     UINT32                  PassNumber)
+{
     switch (PassNumber)
+    {
     case 1:
         WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 |
                                         ACPI_PARSE_DELETE_TREE;
         WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
         WalkState->AscendingCallback  = AcpiDsLoad1EndOp;
         break;
     case 2:
         WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 |
                                         ACPI_PARSE_DELETE_TREE;
         WalkState->DescendingCallback = AcpiDsLoad2BeginOp;
         WalkState->AscendingCallback  = AcpiDsLoad2EndOp;
         break;
     case 3:
 #ifndef ACPI_NO_METHOD_EXECUTION
         WalkState->ParseFlags        |= ACPI_PARSE_EXECUTE  |
                                         ACPI_PARSE_DELETE_TREE;
         WalkState->DescendingCallback = AcpiDsExecBeginOp;
         WalkState->AscendingCallback  = AcpiDsExecEndOp;
 #endif
         break;
     default:
         return (AE_BAD_PARAMETER);
+    }
     return (AE_OK);
+}
 /*******************************************************************************
+ *
  * FUNCTION:    AcpiDsLoad1BeginOp
+ *
  * PARAMETERS:  WalkState       - Current state of the parse tree walk
  *              OutOp           - Where to return op if a new one is created
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *
  ******************************************************************************/
 ACPI_STATUS
 AcpiDsLoad1BeginOp (
     ACPI_WALK_STATE         *WalkState,
     ACPI_PARSE_OBJECT       **OutOp)
+{
     ACPI_PARSE_OBJECT       *Op;
     ACPI_NAMESPACE_NODE     *Node;
     ACPI_STATUS             Status;
     ACPI_OBJECT_TYPE        ObjectType;
     char                    *Path;
     UINT32                  Flags;
     ACPI_FUNCTION_TRACE (DsLoad1BeginOp);
     Op = WalkState->Op;
     ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
     /* We are only interested in opcodes that have an associated name */
     if (Op)
+    {
         if (!(WalkState->OpInfo->Flags & AML_NAMED))
+        {
             *OutOp = Op;
             return_ACPI_STATUS (AE_OK);
+        }
         /* Check if this object has already been installed in the namespace */
         if (Op->Common.Node)
+        {
             *OutOp = Op;
             return_ACPI_STATUS (AE_OK);
+        }
+    }
     Path = AcpiPsGetNextNamestring (&WalkState->ParserState);
     /* Map the raw opcode into an internal object type */
     ObjectType = WalkState->OpInfo->ObjectType;
     ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
         "State=%p Op=%p [%s]\n", WalkState, Op, AcpiUtGetTypeName (ObjectType)));
     switch (WalkState->Opcode)
+    {
     case AML_SCOPE_OP:
         /*
          * The target name of the Scope() operator must exist at this point so
          * that we can actually open the scope to enter new names underneath it.
          * Allow search-to-root for single namesegs.
          */
         Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
                         ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
 #ifdef ACPI_ASL_COMPILER
         if (Status == AE_NOT_FOUND)
+        {
             /*
              * Table disassembly:
              * Target of Scope() not found. Generate an External for it, and
              * insert the name into the namespace.
              */
             AcpiDmAddToExternalList (Op, Path, ACPI_TYPE_DEVICE, 0);
             Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
                        ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT,
                        WalkState, &Node);
+        }
 #endif
         if (ACPI_FAILURE (Status))
+        {
             ACPI_ERROR_NAMESPACE (Path, Status);
             return_ACPI_STATUS (Status);
+        }
         /*
          * 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) { ... }
+             *
              * Note: silently change the type here. On the second pass,
              * we will report a warning
              */
             ACPI_DEBUG_PRINT ((ACPI_DB_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_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
         break;
     default:
         /*
          * For all other named opcodes, we will enter the name into
          * the namespace.
+         *
          * Setup the search flags.
          * Since we are entering a name into the namespace, we do not want to
          * enable the search-to-root upsearch.
+         *
          * There are only two conditions where it is acceptable that the name
          * already exists:
          *    1) the Scope() operator can reopen a scoping object that was
          *       previously defined (Scope, Method, Device, etc.)
          *    2) Whenever we are parsing a deferred opcode (OpRegion, Buffer,
          *       BufferField, or Package), the name of the object is already
          *       in the namespace.
          */
         if (WalkState->DeferredNode)
+        {
             /* This name is already in the namespace, get the node */
             Node = WalkState->DeferredNode;
             Status = AE_OK;
             break;
+        }
         /*
          * If we are executing a method, do not create any namespace objects
          * during the load phase, only during execution.
          */
         if (WalkState->MethodNode)
+        {
             Node = NULL;
             Status = AE_OK;
             break;
+        }
         Flags = ACPI_NS_NO_UPSEARCH;
         if ((WalkState->Opcode != AML_SCOPE_OP) &&
             (!(WalkState->ParseFlags & ACPI_PARSE_DEFERRED_OP)))
+        {
             Flags |= ACPI_NS_ERROR_IF_FOUND;
             ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[%s] Cannot already exist\n",
                     AcpiUtGetTypeName (ObjectType)));
+        }
         else
+        {
             ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
                 "[%s] Both Find or Create allowed\n",
                     AcpiUtGetTypeName (ObjectType)));
+        }
         /*
          * 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.
          */
         Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
                         ACPI_IMODE_LOAD_PASS1, Flags, WalkState, &Node);
         if (ACPI_FAILURE (Status))
+        {
             if (Status == AE_ALREADY_EXISTS)
+            {
                 /* The name already exists in this scope */
                 if (Node->Flags & ANOBJ_IS_EXTERNAL)
+                {
                     /*
                      * Allow one create on an object or segment that was
                      * previously declared External
                      */
                     Node->Flags &= ~ANOBJ_IS_EXTERNAL;
                     Node->Type = (UINT8) ObjectType;
                     /* Just retyped a node, probably will need to open a scope */
                     if (AcpiNsOpensScope (ObjectType))
+                    {
                         Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
                         if (ACPI_FAILURE (Status))
+                        {
                             return_ACPI_STATUS (Status);
+                        }
+                    }
                     Status = AE_OK;
+                }
+            }
             if (ACPI_FAILURE (Status))
+            {
                 ACPI_ERROR_NAMESPACE (Path, Status);
                 return_ACPI_STATUS (Status);
+            }
+        }
         break;
+    }
     /* Common exit */
     if (!Op)
+    {
         /* Create a new op */
         Op = AcpiPsAllocOp (WalkState->Opcode);
         if (!Op)
+        {
             return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+    }
     /* Initialize the op */
 #if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
     Op->Named.Path = ACPI_CAST_PTR (UINT8, Path);
 #endif
     if (Node)
+    {
         /*
          * 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;
         Op->Named.Name = Node->Name.Integer;
+    }
     AcpiPsAppendArg (AcpiPsGetParentScope (&WalkState->ParserState), Op);
     *OutOp = Op;
     return_ACPI_STATUS (Status);
+}
 /*******************************************************************************
+ *
  * FUNCTION:    AcpiDsLoad1EndOp
+ *
  * 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
 AcpiDsLoad1EndOp (
     ACPI_WALK_STATE         *WalkState)
+{
     ACPI_PARSE_OBJECT       *Op;
     ACPI_OBJECT_TYPE        ObjectType;
     ACPI_STATUS             Status = AE_OK;
     ACPI_FUNCTION_TRACE (DsLoad1EndOp);
     Op = WalkState->Op;
     ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
     /* We are only interested in opcodes that have an associated name */
     if (!(WalkState->OpInfo->Flags & (AML_NAMED | AML_FIELD)))
+    {
         return_ACPI_STATUS (AE_OK);
+    }
     /* Get the object type to determine if we should pop the scope */
     ObjectType = WalkState->OpInfo->ObjectType;
 #ifndef ACPI_NO_METHOD_EXECUTION
     if (WalkState->OpInfo->Flags & AML_FIELD)
+    {
         /*
          * If we are executing a method, do not create any namespace objects
          * during the load phase, only during execution.
          */
         if (!WalkState->MethodNode)
+        {
             if (WalkState->Opcode == AML_FIELD_OP          ||
                 WalkState->Opcode == AML_BANK_FIELD_OP     ||
                 WalkState->Opcode == AML_INDEX_FIELD_OP)
+            {
                 Status = AcpiDsInitFieldObjects (Op, WalkState);
+            }
+        }
         return_ACPI_STATUS (Status);
+    }
     /*
      * If we are executing a method, do not create any namespace objects
      * during the load phase, only during execution.
      */
     if (!WalkState->MethodNode)
+    {
         if (Op->Common.AmlOpcode == AML_REGION_OP)
+        {
             Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length,
                         (ACPI_ADR_SPACE_TYPE) ((Op->Common.Value.Arg)->Common.Value.Integer),
                         WalkState);
             if (ACPI_FAILURE (Status))
+            {
                 return_ACPI_STATUS (Status);
+            }
+        }
         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);
+            }
+        }
+    }
 #endif
     if (Op->Common.AmlOpcode == AML_NAME_OP)
+    {
         /* For Name opcode, get the object type from the argument */
         if (Op->Common.Value.Arg)
+        {
             ObjectType = (AcpiPsGetOpcodeInfo (
                 (Op->Common.Value.Arg)->Common.AmlOpcode))->ObjectType;
             /* Set node type if we have a namespace node */
             if (Op->Common.Node)
+            {
                 Op->Common.Node->Type = (UINT8) ObjectType;
+            }
+        }
+    }
     /*
      * If we are executing a method, do not create any namespace objects
      * during the load phase, only during execution.
      */
     if (!WalkState->MethodNode)
+    {
         if (Op->Common.AmlOpcode == 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);
+                }
+            }
+        }
+    }
     /* Pop the scope stack (only if loading a table) */
     if (!WalkState->MethodNode &&
         AcpiNsOpensScope (ObjectType))
+    {
         ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s): Popping scope for Op %p\n",
             AcpiUtGetTypeName (ObjectType), Op));
         Status = AcpiDsScopeStackPop (WalkState);
+    }
     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);
-}

Subversion Repositories Kolibri OS

(root)/drivers/devman/acpica/dispatcher/dswload.c – Rev 1498 → 2216