1 files changed, 302 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/executer/exresnte.c b/sys/contrib/dev/acpica/components/executer/exresnte.c
new file mode 100644
index 0000000..3c14eb5
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/executer/exresnte.c
@@ -0,0 +1,302 @@
+
+/******************************************************************************
+ *
+ * Module Name: exresnte - AML Interpreter object resolution
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __EXRESNTE_C__
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acdispat.h>
+#include <contrib/dev/acpica/include/acinterp.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exresnte")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveNodeToValue
+ *
+ * PARAMETERS:  ObjectPtr       - Pointer to a location that contains
+ *                                a pointer to a NS node, and will receive a
+ *                                pointer to the resolved object.
+ *              WalkState       - Current state.  Valid only if executing AML
+ *                                code.  NULL if simply resolving an object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Resolve a Namespace node to a valued object
+ *
+ * Note: for some of the data types, the pointer attached to the Node
+ * can be either a pointer to an actual internal object or a pointer into the
+ * AML stream itself.  These types are currently:
+ *
+ *      ACPI_TYPE_INTEGER
+ *      ACPI_TYPE_STRING
+ *      ACPI_TYPE_BUFFER
+ *      ACPI_TYPE_MUTEX
+ *      ACPI_TYPE_PACKAGE
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveNodeToValue (
+    ACPI_NAMESPACE_NODE     **ObjectPtr,
+    ACPI_WALK_STATE         *WalkState)
+
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *SourceDesc;
+    ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OBJECT_TYPE        EntryType;
+
+
+    ACPI_FUNCTION_TRACE (ExResolveNodeToValue);
+
+
+    /*
+     * The stack pointer points to a ACPI_NAMESPACE_NODE (Node).  Get the
+     * object that is attached to the Node.
+     */
+    Node       = *ObjectPtr;
+    SourceDesc = AcpiNsGetAttachedObject (Node);
+    EntryType  = AcpiNsGetType ((ACPI_HANDLE) Node);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
+         Node, SourceDesc, AcpiUtGetTypeName (EntryType)));
+
+    if ((EntryType == ACPI_TYPE_LOCAL_ALIAS) ||
+        (EntryType == ACPI_TYPE_LOCAL_METHOD_ALIAS))
+    {
+        /* There is always exactly one level of indirection */
+
+        Node       = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Node->Object);
+        SourceDesc = AcpiNsGetAttachedObject (Node);
+        EntryType  = AcpiNsGetType ((ACPI_HANDLE) Node);
+        *ObjectPtr = Node;
+    }
+
+    /*
+     * Several object types require no further processing:
+     * 1) Device/Thermal objects don't have a "real" subobject, return the Node
+     * 2) Method locals and arguments have a pseudo-Node
+     * 3) 10/2007: Added method type to assist with Package construction.
+     */
+    if ((EntryType == ACPI_TYPE_DEVICE)  ||
+        (EntryType == ACPI_TYPE_THERMAL) ||
+        (EntryType == ACPI_TYPE_METHOD)  ||
+        (Node->Flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL)))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    if (!SourceDesc)
+    {
+        ACPI_ERROR ((AE_INFO, "No object attached to node %p",
+            Node));
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /*
+     * Action is based on the type of the Node, which indicates the type
+     * of the attached object or pointer
+     */
+    switch (EntryType)
+    {
+    case ACPI_TYPE_PACKAGE:
+
+        if (SourceDesc->Common.Type != ACPI_TYPE_PACKAGE)
+        {
+            ACPI_ERROR ((AE_INFO, "Object not a Package, type %s",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        Status = AcpiDsGetPackageArguments (SourceDesc);
+        if (ACPI_SUCCESS (Status))
+        {
+            /* Return an additional reference to the object */
+
+            ObjDesc = SourceDesc;
+            AcpiUtAddReference (ObjDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        if (SourceDesc->Common.Type != ACPI_TYPE_BUFFER)
+        {
+            ACPI_ERROR ((AE_INFO, "Object not a Buffer, type %s",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        Status = AcpiDsGetBufferArguments (SourceDesc);
+        if (ACPI_SUCCESS (Status))
+        {
+            /* Return an additional reference to the object */
+
+            ObjDesc = SourceDesc;
+            AcpiUtAddReference (ObjDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        if (SourceDesc->Common.Type != ACPI_TYPE_STRING)
+        {
+            ACPI_ERROR ((AE_INFO, "Object not a String, type %s",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Return an additional reference to the object */
+
+        ObjDesc = SourceDesc;
+        AcpiUtAddReference (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        if (SourceDesc->Common.Type != ACPI_TYPE_INTEGER)
+        {
+            ACPI_ERROR ((AE_INFO, "Object not a Integer, type %s",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Return an additional reference to the object */
+
+        ObjDesc = SourceDesc;
+        AcpiUtAddReference (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "FieldRead Node=%p SourceDesc=%p Type=%X\n",
+            Node, SourceDesc, EntryType));
+
+        Status = AcpiExReadDataFromField (WalkState, SourceDesc, &ObjDesc);
+        break;
+
+    /* For these objects, just return the object attached to the Node */
+
+    case ACPI_TYPE_MUTEX:
+    case ACPI_TYPE_POWER:
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_EVENT:
+    case ACPI_TYPE_REGION:
+
+        /* Return an additional reference to the object */
+
+        ObjDesc = SourceDesc;
+        AcpiUtAddReference (ObjDesc);
+        break;
+
+    /* TYPE_ANY is untyped, and thus there is no object associated with it */
+
+    case ACPI_TYPE_ANY:
+
+        ACPI_ERROR ((AE_INFO,
+            "Untyped entry %p, no attached object!", Node));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);  /* Cannot be AE_TYPE */
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        switch (SourceDesc->Reference.Class)
+        {
+        case ACPI_REFCLASS_TABLE:   /* This is a DdbHandle */
+        case ACPI_REFCLASS_REFOF:
+        case ACPI_REFCLASS_INDEX:
+
+            /* Return an additional reference to the object */
+
+            ObjDesc = SourceDesc;
+            AcpiUtAddReference (ObjDesc);
+            break;
+
+        default:
+            /* No named references are allowed here */
+
+            ACPI_ERROR ((AE_INFO,
+                "Unsupported Reference type 0x%X",
+                SourceDesc->Reference.Class));
+
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+        break;
+
+
+    default:
+
+        /* Default case is for unknown types */
+
+        ACPI_ERROR ((AE_INFO,
+            "Node %p - Unknown object type 0x%X",
+            Node, EntryType));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+
+    } /* switch (EntryType) */
+
+
+    /* Return the object descriptor */
+
+    *ObjectPtr = (void *) ObjDesc;
+    return_ACPI_STATUS (Status);
+}
+
+