acpica-unix2-20130823
PANKOVs restructure

*** 1,14 ****
- 
  /******************************************************************************
   *
   * Module Name: exutils - interpreter/scanner utilities
   *
   *****************************************************************************/
  
  /*
!  * Copyright (C) 2000 - 2011, 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:
--- 1,13 ----
  /******************************************************************************
   *
   * Module Name: exutils - interpreter/scanner utilities
   *
   *****************************************************************************/
  
  /*
!  * 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:
*** 119,129 ****
   *
   * RETURN:      None
   *
   * DESCRIPTION: Reacquire the interpreter execution region from within the
   *              interpreter code. Failure to enter the interpreter region is a
!  *              fatal system error. Used in  conjuction with
   *              RelinquishInterpreter
   *
   ******************************************************************************/
  
  void
--- 118,128 ----
   *
   * RETURN:      None
   *
   * DESCRIPTION: Reacquire the interpreter execution region from within the
   *              interpreter code. Failure to enter the interpreter region is a
!  *              fatal system error. Used in conjunction with
   *              RelinquishInterpreter
   *
   ******************************************************************************/
  
  void
*** 228,271 ****
   *
   * FUNCTION:    AcpiExTruncateFor32bitTable
   *
   * PARAMETERS:  ObjDesc         - Object to be truncated
   *
!  * RETURN:      none
   *
   * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
   *              32-bit, as determined by the revision of the DSDT.
   *
   ******************************************************************************/
  
! void
  AcpiExTruncateFor32bitTable (
      ACPI_OPERAND_OBJECT     *ObjDesc)
  {
  
      ACPI_FUNCTION_ENTRY ();
  
  
      /*
       * Object must be a valid number and we must be executing
!      * a control method. NS node could be there for AML_INT_NAMEPATH_OP.
       */
      if ((!ObjDesc) ||
          (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND) ||
          (ObjDesc->Common.Type != ACPI_TYPE_INTEGER))
      {
!         return;
      }
  
!     if (AcpiGbl_IntegerByteWidth == 4)
      {
          /*
!          * We are running a method that exists in a 32-bit ACPI table.
           * Truncate the value to 32 bits by zeroing out the upper 32-bit field
           */
          ObjDesc->Integer.Value &= (UINT64) ACPI_UINT32_MAX;
      }
  }
  
  
  /*******************************************************************************
   *
--- 227,274 ----
   *
   * FUNCTION:    AcpiExTruncateFor32bitTable
   *
   * PARAMETERS:  ObjDesc         - Object to be truncated
   *
!  * RETURN:      TRUE if a truncation was performed, FALSE otherwise.
   *
   * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
   *              32-bit, as determined by the revision of the DSDT.
   *
   ******************************************************************************/
  
! BOOLEAN
  AcpiExTruncateFor32bitTable (
      ACPI_OPERAND_OBJECT     *ObjDesc)
  {
  
      ACPI_FUNCTION_ENTRY ();
  
  
      /*
       * Object must be a valid number and we must be executing
!      * a control method. Object could be NS node for AML_INT_NAMEPATH_OP.
       */
      if ((!ObjDesc) ||
          (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND) ||
          (ObjDesc->Common.Type != ACPI_TYPE_INTEGER))
      {
!         return (FALSE);
      }
  
!     if ((AcpiGbl_IntegerByteWidth == 4) &&
!         (ObjDesc->Integer.Value > (UINT64) ACPI_UINT32_MAX))
      {
          /*
!          * We are executing in a 32-bit ACPI table.
           * Truncate the value to 32 bits by zeroing out the upper 32-bit field
           */
          ObjDesc->Integer.Value &= (UINT64) ACPI_UINT32_MAX;
+         return (TRUE);
      }
+ 
+     return (FALSE);
  }
  
  
  /*******************************************************************************
   *
*** 497,502 ****
--- 500,535 ----
          (void) AcpiUtShortDivide (Value, 10, &Value, &Remainder);
          OutString[Count-1] = (char) ('0' + Remainder);\
      }
  }
  
+ 
+ /*******************************************************************************
+  *
+  * FUNCTION:    AcpiIsValidSpaceId
+  *
+  * PARAMETERS:  SpaceId             - ID to be validated
+  *
+  * RETURN:      TRUE if valid/supported ID.
+  *
+  * DESCRIPTION: Validate an operation region SpaceID.
+  *
+  ******************************************************************************/
+ 
+ BOOLEAN
+ AcpiIsValidSpaceId (
+     UINT8                   SpaceId)
+ {
+ 
+     if ((SpaceId >= ACPI_NUM_PREDEFINED_REGIONS) &&
+         (SpaceId < ACPI_USER_REGION_BEGIN) &&
+         (SpaceId != ACPI_ADR_SPACE_DATA_TABLE) &&
+         (SpaceId != ACPI_ADR_SPACE_FIXED_HARDWARE))
+     {
+         return (FALSE);
+     }
+ 
+     return (TRUE);
+ }
+ 
+ 
  #endif