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diff --git a/usr/src/uts/intel/io/acpica/utilities/utexcep.c b/usr/src/uts/intel/io/acpica/utilities/utexcep.c
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index 5be8efd5f2..0000000000
--- a/usr/src/uts/intel/io/acpica/utilities/utexcep.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: utexcep - Exception code support
- *
- ******************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2016, 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 EXPORT_ACPI_INTERFACES
-
-#define ACPI_DEFINE_EXCEPTION_TABLE
-#include "acpi.h"
-#include "accommon.h"
-
-
-#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("utexcep")
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiFormatException
- *
- * PARAMETERS: Status - The ACPI_STATUS code to be formatted
- *
- * RETURN: A string containing the exception text. A valid pointer is
- * always returned.
- *
- * DESCRIPTION: This function translates an ACPI exception into an ASCII
- * string. Returns "unknown status" string for invalid codes.
- *
- ******************************************************************************/
-
-const char *
-AcpiFormatException (
- ACPI_STATUS Status)
-{
- const ACPI_EXCEPTION_INFO *Exception;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- Exception = AcpiUtValidateException (Status);
- if (!Exception)
- {
- /* Exception code was not recognized */
-
- ACPI_ERROR ((AE_INFO,
- "Unknown exception code: 0x%8.8X", Status));
-
- return ("UNKNOWN_STATUS_CODE");
- }
-
- return (Exception->Name);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiFormatException)
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtValidateException
- *
- * PARAMETERS: Status - The ACPI_STATUS code to be formatted
- *
- * RETURN: A string containing the exception text. NULL if exception is
- * not valid.
- *
- * DESCRIPTION: This function validates and translates an ACPI exception into
- * an ASCII string.
- *
- ******************************************************************************/
-
-const ACPI_EXCEPTION_INFO *
-AcpiUtValidateException (
- ACPI_STATUS Status)
-{
- UINT32 SubStatus;
- const ACPI_EXCEPTION_INFO *Exception = NULL;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- /*
- * Status is composed of two parts, a "type" and an actual code
- */
- SubStatus = (Status & ~AE_CODE_MASK);
-
- switch (Status & AE_CODE_MASK)
- {
- case AE_CODE_ENVIRONMENTAL:
-
- if (SubStatus <= AE_CODE_ENV_MAX)
- {
- Exception = &AcpiGbl_ExceptionNames_Env [SubStatus];
- }
- break;
-
- case AE_CODE_PROGRAMMER:
-
- if (SubStatus <= AE_CODE_PGM_MAX)
- {
- Exception = &AcpiGbl_ExceptionNames_Pgm [SubStatus];
- }
- break;
-
- case AE_CODE_ACPI_TABLES:
-
- if (SubStatus <= AE_CODE_TBL_MAX)
- {
- Exception = &AcpiGbl_ExceptionNames_Tbl [SubStatus];
- }
- break;
-
- case AE_CODE_AML:
-
- if (SubStatus <= AE_CODE_AML_MAX)
- {
- Exception = &AcpiGbl_ExceptionNames_Aml [SubStatus];
- }
- break;
-
- case AE_CODE_CONTROL:
-
- if (SubStatus <= AE_CODE_CTRL_MAX)
- {
- Exception = &AcpiGbl_ExceptionNames_Ctrl [SubStatus];
- }
- break;
-
- default:
-
- break;
- }
-
- if (!Exception || !Exception->Name)
- {
- return (NULL);
- }
-
- return (Exception);
-}