update to acpica-unix2-20130927
acpica-unix2-20130823
PANKOVs restructure

@@ -3,11 +3,11 @@
  * Module Name: dbxface - AML Debugger external interfaces
  *
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2013, 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:

@@ -230,13 +230,15 @@
 
     switch (OpcodeClass)
     {
     case AML_CLASS_UNKNOWN:
     case AML_CLASS_ARGUMENT:    /* constants, literals, etc.  do nothing */
+
         return (AE_OK);
 
     default:
+
         /* All other opcodes -- continue */
         break;
     }
 
     /*

@@ -406,10 +408,13 @@
     void)
 {
     ACPI_STATUS             Status;
 
 
+    ACPI_FUNCTION_TRACE (DbInitialize);
+
+
     /* Init globals */
 
     AcpiGbl_DbBuffer            = NULL;
     AcpiGbl_DbFilename          = NULL;
     AcpiGbl_DbOutputToFile      = FALSE;

@@ -425,17 +430,17 @@
     AcpiGbl_DbOpt_ini_methods   = TRUE;
 
     AcpiGbl_DbBuffer = AcpiOsAllocate (ACPI_DEBUG_BUFFER_SIZE);
     if (!AcpiGbl_DbBuffer)
     {
-        return (AE_NO_MEMORY);
+        return_ACPI_STATUS (AE_NO_MEMORY);
     }
     ACPI_MEMSET (AcpiGbl_DbBuffer, 0, ACPI_DEBUG_BUFFER_SIZE);
 
     /* Initial scope is the root */
 
-    AcpiGbl_DbScopeBuf [0] = '\\';
+    AcpiGbl_DbScopeBuf [0] = AML_ROOT_PREFIX;
     AcpiGbl_DbScopeBuf [1] =  0;
     AcpiGbl_DbScopeNode = AcpiGbl_RootNode;
 
     /*
      * If configured for multi-thread support, the debug executor runs in

@@ -448,37 +453,37 @@
 
         Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
         if (ACPI_FAILURE (Status))
         {
             AcpiOsPrintf ("Could not get debugger mutex\n");
-            return (Status);
+            return_ACPI_STATUS (Status);
         }
 
         Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
         if (ACPI_FAILURE (Status))
         {
             AcpiOsPrintf ("Could not get debugger mutex\n");
-            return (Status);
+            return_ACPI_STATUS (Status);
         }
 
         /* Create the debug execution thread to execute commands */
 
         Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbExecuteThread, NULL);
         if (ACPI_FAILURE (Status))
         {
-            AcpiOsPrintf ("Could not start debugger thread\n");
-            return (Status);
+            ACPI_EXCEPTION ((AE_INFO, Status, "Could not start debugger thread"));
+            return_ACPI_STATUS (Status);
         }
     }
 
     if (!AcpiGbl_DbOpt_verbose)
     {
         AcpiGbl_DbOpt_disasm = TRUE;
         AcpiGbl_DbOpt_stats = FALSE;
     }
 
-    return (AE_OK);
+    return_ACPI_STATUS (AE_OK);
 }
 
 
 /*******************************************************************************
  *

@@ -498,11 +503,16 @@
 {
 
     if (AcpiGbl_DbBuffer)
     {
         AcpiOsFree (AcpiGbl_DbBuffer);
+        AcpiGbl_DbBuffer = NULL;
     }
+
+    /* Ensure that debug output is now disabled */
+
+    AcpiGbl_DbOutputFlags = ACPI_DB_DISABLE_OUTPUT;
 }
 
 
 #ifdef ACPI_OBSOLETE_FUNCTIONS
 /*******************************************************************************