diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
new file mode 100644
index 0000000..53f8b50
--- /dev/null
+++ b/include/acpi/acexcep.h
@@ -0,0 +1,308 @@
+/******************************************************************************
+ *
+ * Name: acexcep.h - Exception codes returned by the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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.
+ */
+
+#ifndef __ACEXCEP_H__
+#define __ACEXCEP_H__
+
+
+/*
+ * Exceptions returned by external ACPI interfaces
+ */
+
+#define AE_CODE_ENVIRONMENTAL           0x0000
+#define AE_CODE_PROGRAMMER              0x1000
+#define AE_CODE_ACPI_TABLES             0x2000
+#define AE_CODE_AML                     0x3000
+#define AE_CODE_CONTROL                 0x4000
+#define AE_CODE_MASK                    0xF000
+
+
+#define ACPI_SUCCESS(a)                 (!(a))
+#define ACPI_FAILURE(a)                 (a)
+
+
+#define AE_OK                           (acpi_status) 0x0000
+
+/*
+ * Environmental exceptions
+ */
+#define AE_ERROR                        (acpi_status) (0x0001 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_ACPI_TABLES               (acpi_status) (0x0002 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_NAMESPACE                 (acpi_status) (0x0003 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_MEMORY                    (acpi_status) (0x0004 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_FOUND                    (acpi_status) (0x0005 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_EXIST                    (acpi_status) (0x0006 | AE_CODE_ENVIRONMENTAL)
+#define AE_ALREADY_EXISTS               (acpi_status) (0x0007 | AE_CODE_ENVIRONMENTAL)
+#define AE_TYPE                         (acpi_status) (0x0008 | AE_CODE_ENVIRONMENTAL)
+#define AE_NULL_OBJECT                  (acpi_status) (0x0009 | AE_CODE_ENVIRONMENTAL)
+#define AE_NULL_ENTRY                   (acpi_status) (0x000A | AE_CODE_ENVIRONMENTAL)
+#define AE_BUFFER_OVERFLOW              (acpi_status) (0x000B | AE_CODE_ENVIRONMENTAL)
+#define AE_STACK_OVERFLOW               (acpi_status) (0x000C | AE_CODE_ENVIRONMENTAL)
+#define AE_STACK_UNDERFLOW              (acpi_status) (0x000D | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_IMPLEMENTED              (acpi_status) (0x000E | AE_CODE_ENVIRONMENTAL)
+#define AE_VERSION_MISMATCH             (acpi_status) (0x000F | AE_CODE_ENVIRONMENTAL)
+#define AE_SUPPORT                      (acpi_status) (0x0010 | AE_CODE_ENVIRONMENTAL)
+#define AE_SHARE                        (acpi_status) (0x0011 | AE_CODE_ENVIRONMENTAL)
+#define AE_LIMIT                        (acpi_status) (0x0012 | AE_CODE_ENVIRONMENTAL)
+#define AE_TIME                         (acpi_status) (0x0013 | AE_CODE_ENVIRONMENTAL)
+#define AE_UNKNOWN_STATUS               (acpi_status) (0x0014 | AE_CODE_ENVIRONMENTAL)
+#define AE_ACQUIRE_DEADLOCK             (acpi_status) (0x0015 | AE_CODE_ENVIRONMENTAL)
+#define AE_RELEASE_DEADLOCK             (acpi_status) (0x0016 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_ACQUIRED                 (acpi_status) (0x0017 | AE_CODE_ENVIRONMENTAL)
+#define AE_ALREADY_ACQUIRED             (acpi_status) (0x0018 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_HARDWARE_RESPONSE         (acpi_status) (0x0019 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_GLOBAL_LOCK               (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
+#define AE_LOGICAL_ADDRESS              (acpi_status) (0x001B | AE_CODE_ENVIRONMENTAL)
+#define AE_ABORT_METHOD                 (acpi_status) (0x001C | AE_CODE_ENVIRONMENTAL)
+#define AE_SAME_HANDLER                 (acpi_status) (0x001D | AE_CODE_ENVIRONMENTAL)
+#define AE_WAKE_ONLY_GPE                (acpi_status) (0x001E | AE_CODE_ENVIRONMENTAL)
+
+#define AE_CODE_ENV_MAX                 0x001E
+
+/*
+ * Programmer exceptions
+ */
+#define AE_BAD_PARAMETER                (acpi_status) (0x0001 | AE_CODE_PROGRAMMER)
+#define AE_BAD_CHARACTER                (acpi_status) (0x0002 | AE_CODE_PROGRAMMER)
+#define AE_BAD_PATHNAME                 (acpi_status) (0x0003 | AE_CODE_PROGRAMMER)
+#define AE_BAD_DATA                     (acpi_status) (0x0004 | AE_CODE_PROGRAMMER)
+#define AE_BAD_ADDRESS                  (acpi_status) (0x0005 | AE_CODE_PROGRAMMER)
+#define AE_ALIGNMENT                    (acpi_status) (0x0006 | AE_CODE_PROGRAMMER)
+#define AE_BAD_HEX_CONSTANT             (acpi_status) (0x0007 | AE_CODE_PROGRAMMER)
+#define AE_BAD_OCTAL_CONSTANT           (acpi_status) (0x0008 | AE_CODE_PROGRAMMER)
+#define AE_BAD_DECIMAL_CONSTANT         (acpi_status) (0x0009 | AE_CODE_PROGRAMMER)
+
+#define AE_CODE_PGM_MAX                 0x0009
+
+
+/*
+ * Acpi table exceptions
+ */
+#define AE_BAD_SIGNATURE                (acpi_status) (0x0001 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_HEADER                   (acpi_status) (0x0002 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_CHECKSUM                 (acpi_status) (0x0003 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_VALUE                    (acpi_status) (0x0004 | AE_CODE_ACPI_TABLES)
+#define AE_TABLE_NOT_SUPPORTED          (acpi_status) (0x0005 | AE_CODE_ACPI_TABLES)
+#define AE_INVALID_TABLE_LENGTH         (acpi_status) (0x0006 | AE_CODE_ACPI_TABLES)
+
+#define AE_CODE_TBL_MAX                 0x0006
+
+
+/*
+ * AML exceptions.  These are caused by problems with
+ * the actual AML byte stream
+ */
+#define AE_AML_ERROR                    (acpi_status) (0x0001 | AE_CODE_AML)
+#define AE_AML_PARSE                    (acpi_status) (0x0002 | AE_CODE_AML)
+#define AE_AML_BAD_OPCODE               (acpi_status) (0x0003 | AE_CODE_AML)
+#define AE_AML_NO_OPERAND               (acpi_status) (0x0004 | AE_CODE_AML)
+#define AE_AML_OPERAND_TYPE             (acpi_status) (0x0005 | AE_CODE_AML)
+#define AE_AML_OPERAND_VALUE            (acpi_status) (0x0006 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_LOCAL      (acpi_status) (0x0007 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_ARG        (acpi_status) (0x0008 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_ELEMENT    (acpi_status) (0x0009 | AE_CODE_AML)
+#define AE_AML_NUMERIC_OVERFLOW         (acpi_status) (0x000A | AE_CODE_AML)
+#define AE_AML_REGION_LIMIT             (acpi_status) (0x000B | AE_CODE_AML)
+#define AE_AML_BUFFER_LIMIT             (acpi_status) (0x000C | AE_CODE_AML)
+#define AE_AML_PACKAGE_LIMIT            (acpi_status) (0x000D | AE_CODE_AML)
+#define AE_AML_DIVIDE_BY_ZERO           (acpi_status) (0x000E | AE_CODE_AML)
+#define AE_AML_BAD_NAME                 (acpi_status) (0x000F | AE_CODE_AML)
+#define AE_AML_NAME_NOT_FOUND           (acpi_status) (0x0010 | AE_CODE_AML)
+#define AE_AML_INTERNAL                 (acpi_status) (0x0011 | AE_CODE_AML)
+#define AE_AML_INVALID_SPACE_ID         (acpi_status) (0x0012 | AE_CODE_AML)
+#define AE_AML_STRING_LIMIT             (acpi_status) (0x0013 | AE_CODE_AML)
+#define AE_AML_NO_RETURN_VALUE          (acpi_status) (0x0014 | AE_CODE_AML)
+#define AE_AML_METHOD_LIMIT             (acpi_status) (0x0015 | AE_CODE_AML)
+#define AE_AML_NOT_OWNER                (acpi_status) (0x0016 | AE_CODE_AML)
+#define AE_AML_MUTEX_ORDER              (acpi_status) (0x0017 | AE_CODE_AML)
+#define AE_AML_MUTEX_NOT_ACQUIRED       (acpi_status) (0x0018 | AE_CODE_AML)
+#define AE_AML_INVALID_RESOURCE_TYPE    (acpi_status) (0x0019 | AE_CODE_AML)
+#define AE_AML_INVALID_INDEX            (acpi_status) (0x001A | AE_CODE_AML)
+#define AE_AML_REGISTER_LIMIT           (acpi_status) (0x001B | AE_CODE_AML)
+#define AE_AML_NO_WHILE                 (acpi_status) (0x001C | AE_CODE_AML)
+#define AE_AML_ALIGNMENT                (acpi_status) (0x001D | AE_CODE_AML)
+#define AE_AML_NO_RESOURCE_END_TAG      (acpi_status) (0x001E | AE_CODE_AML)
+#define AE_AML_BAD_RESOURCE_VALUE       (acpi_status) (0x001F | AE_CODE_AML)
+#define AE_AML_CIRCULAR_REFERENCE       (acpi_status) (0x0020 | AE_CODE_AML)
+#define AE_AML_BAD_RESOURCE_LENGTH      (acpi_status) (0x0021 | AE_CODE_AML)
+
+#define AE_CODE_AML_MAX                 0x0021
+
+/*
+ * Internal exceptions used for control
+ */
+#define AE_CTRL_RETURN_VALUE            (acpi_status) (0x0001 | AE_CODE_CONTROL)
+#define AE_CTRL_PENDING                 (acpi_status) (0x0002 | AE_CODE_CONTROL)
+#define AE_CTRL_TERMINATE               (acpi_status) (0x0003 | AE_CODE_CONTROL)
+#define AE_CTRL_TRUE                    (acpi_status) (0x0004 | AE_CODE_CONTROL)
+#define AE_CTRL_FALSE                   (acpi_status) (0x0005 | AE_CODE_CONTROL)
+#define AE_CTRL_DEPTH                   (acpi_status) (0x0006 | AE_CODE_CONTROL)
+#define AE_CTRL_END                     (acpi_status) (0x0007 | AE_CODE_CONTROL)
+#define AE_CTRL_TRANSFER                (acpi_status) (0x0008 | AE_CODE_CONTROL)
+#define AE_CTRL_BREAK                   (acpi_status) (0x0009 | AE_CODE_CONTROL)
+#define AE_CTRL_CONTINUE                (acpi_status) (0x000A | AE_CODE_CONTROL)
+#define AE_CTRL_SKIP                    (acpi_status) (0x000B | AE_CODE_CONTROL)
+
+#define AE_CODE_CTRL_MAX                0x000B
+
+
+#ifdef DEFINE_ACPI_GLOBALS
+
+/*
+ * String versions of the exception codes above
+ * These strings must match the corresponding defines exactly
+ */
+char const   *acpi_gbl_exception_names_env[] =
+{
+	"AE_OK",
+	"AE_ERROR",
+	"AE_NO_ACPI_TABLES",
+	"AE_NO_NAMESPACE",
+	"AE_NO_MEMORY",
+	"AE_NOT_FOUND",
+	"AE_NOT_EXIST",
+	"AE_ALREADY_EXISTS",
+	"AE_TYPE",
+	"AE_NULL_OBJECT",
+	"AE_NULL_ENTRY",
+	"AE_BUFFER_OVERFLOW",
+	"AE_STACK_OVERFLOW",
+	"AE_STACK_UNDERFLOW",
+	"AE_NOT_IMPLEMENTED",
+	"AE_VERSION_MISMATCH",
+	"AE_SUPPORT",
+	"AE_SHARE",
+	"AE_LIMIT",
+	"AE_TIME",
+	"AE_UNKNOWN_STATUS",
+	"AE_ACQUIRE_DEADLOCK",
+	"AE_RELEASE_DEADLOCK",
+	"AE_NOT_ACQUIRED",
+	"AE_ALREADY_ACQUIRED",
+	"AE_NO_HARDWARE_RESPONSE",
+	"AE_NO_GLOBAL_LOCK",
+	"AE_LOGICAL_ADDRESS",
+	"AE_ABORT_METHOD",
+	"AE_SAME_HANDLER",
+	"AE_WAKE_ONLY_GPE"
+};
+
+char const   *acpi_gbl_exception_names_pgm[] =
+{
+	"AE_BAD_PARAMETER",
+	"AE_BAD_CHARACTER",
+	"AE_BAD_PATHNAME",
+	"AE_BAD_DATA",
+	"AE_BAD_ADDRESS",
+	"AE_ALIGNMENT",
+	"AE_BAD_HEX_CONSTANT",
+	"AE_BAD_OCTAL_CONSTANT",
+	"AE_BAD_DECIMAL_CONSTANT"
+};
+
+char const   *acpi_gbl_exception_names_tbl[] =
+{
+	"AE_BAD_SIGNATURE",
+	"AE_BAD_HEADER",
+	"AE_BAD_CHECKSUM",
+	"AE_BAD_VALUE",
+	"AE_TABLE_NOT_SUPPORTED",
+	"AE_INVALID_TABLE_LENGTH"
+};
+
+char const   *acpi_gbl_exception_names_aml[] =
+{
+	"AE_AML_ERROR",
+	"AE_AML_PARSE",
+	"AE_AML_BAD_OPCODE",
+	"AE_AML_NO_OPERAND",
+	"AE_AML_OPERAND_TYPE",
+	"AE_AML_OPERAND_VALUE",
+	"AE_AML_UNINITIALIZED_LOCAL",
+	"AE_AML_UNINITIALIZED_ARG",
+	"AE_AML_UNINITIALIZED_ELEMENT",
+	"AE_AML_NUMERIC_OVERFLOW",
+	"AE_AML_REGION_LIMIT",
+	"AE_AML_BUFFER_LIMIT",
+	"AE_AML_PACKAGE_LIMIT",
+	"AE_AML_DIVIDE_BY_ZERO",
+	"AE_AML_BAD_NAME",
+	"AE_AML_NAME_NOT_FOUND",
+	"AE_AML_INTERNAL",
+	"AE_AML_INVALID_SPACE_ID",
+	"AE_AML_STRING_LIMIT",
+	"AE_AML_NO_RETURN_VALUE",
+	"AE_AML_METHOD_LIMIT",
+	"AE_AML_NOT_OWNER",
+	"AE_AML_MUTEX_ORDER",
+	"AE_AML_MUTEX_NOT_ACQUIRED",
+	"AE_AML_INVALID_RESOURCE_TYPE",
+	"AE_AML_INVALID_INDEX",
+	"AE_AML_REGISTER_LIMIT",
+	"AE_AML_NO_WHILE",
+	"AE_AML_ALIGNMENT",
+	"AE_AML_NO_RESOURCE_END_TAG",
+	"AE_AML_BAD_RESOURCE_VALUE",
+	"AE_AML_CIRCULAR_REFERENCE",
+	"AE_AML_BAD_RESOURCE_LENGTH"
+};
+
+char const   *acpi_gbl_exception_names_ctrl[] =
+{
+	"AE_CTRL_RETURN_VALUE",
+	"AE_CTRL_PENDING",
+	"AE_CTRL_TERMINATE",
+	"AE_CTRL_TRUE",
+	"AE_CTRL_FALSE",
+	"AE_CTRL_DEPTH",
+	"AE_CTRL_END",
+	"AE_CTRL_TRANSFER",
+	"AE_CTRL_BREAK",
+	"AE_CTRL_CONTINUE",
+	"AE_CTRL_SKIP"
+};
+
+#endif /* ACPI GLOBALS */
+
+
+#endif /* __ACEXCEP_H__ */