Import ACPICA 20120215.

1 files changed, 540 insertions, 0 deletions

diff --git a/source/include/acmacros.h b/source/include/acmacros.h
new file mode 100644
index 0000000..cdb9cb1
--- /dev/null
+++ b/source/include/acmacros.h
@@ -0,0 +1,540 @@
+/******************************************************************************
+ *
+ * Name: acmacros.h - C macros for the entire subsystem.
+ *
+ *****************************************************************************/
+
+/*
+ * 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.
+ */
+
+#ifndef __ACMACROS_H__
+#define __ACMACROS_H__
+
+
+/*
+ * Extract data using a pointer. Any more than a byte and we
+ * get into potential aligment issues -- see the STORE macros below.
+ * Use with care.
+ */
+#define ACPI_GET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
+#define ACPI_GET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
+#define ACPI_GET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
+#define ACPI_GET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
+#define ACPI_SET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
+#define ACPI_SET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
+#define ACPI_SET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
+#define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
+
+/*
+ * printf() format helpers
+ */
+
+/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
+
+#define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
+
+#if ACPI_MACHINE_WIDTH == 64
+#define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
+#else
+#define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
+#endif
+
+
+/*
+ * Macros for moving data around to/from buffers that are possibly unaligned.
+ * If the hardware supports the transfer of unaligned data, just do the store.
+ * Otherwise, we have to move one byte at a time.
+ */
+#ifdef ACPI_BIG_ENDIAN
+/*
+ * Macros for big-endian machines
+ */
+
+/* These macros reverse the bytes during the move, converting little-endian to big endian */
+
+                                                     /* Big Endian      <==        Little Endian */
+                                                     /*  Hi...Lo                     Lo...Hi     */
+/* 16-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
+                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
+
+#define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
+                                           ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
+                                           ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
+
+#define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
+                                           ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
+                                           ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
+
+/* 32-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
+
+#define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
+                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
+                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
+                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
+
+#define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
+                                           ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
+                                           ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
+                                           ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
+                                           ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
+
+/* 64-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
+
+#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
+
+#define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
+                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
+                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
+                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
+                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
+                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
+                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
+                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
+#else
+/*
+ * Macros for little-endian machines
+ */
+
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+
+/* The hardware supports unaligned transfers, just do the little-endian move */
+
+/* 16-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
+
+/* 32-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
+#define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
+#define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
+
+/* 64-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
+#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
+#define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
+
+#else
+/*
+ * The hardware does not support unaligned transfers. We must move the
+ * data one byte at a time. These macros work whether the source or
+ * the destination (or both) is/are unaligned. (Little-endian move)
+ */
+
+/* 16-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
+                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
+
+#define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
+#define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
+
+/* 32-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
+
+#define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
+                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
+                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
+                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
+
+#define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
+
+/* 64-bit source, 16/32/64 destination */
+
+#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
+#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
+#define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
+                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
+                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
+                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
+                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
+                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
+                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
+                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
+#endif
+#endif
+
+
+/*
+ * Fast power-of-two math macros for non-optimized compilers
+ */
+#define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
+#define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
+#define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
+
+#define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
+#define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
+#define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
+
+#define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
+#define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
+#define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
+
+#define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
+#define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
+#define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
+
+#define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
+#define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
+#define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
+
+#define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
+#define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
+#define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
+
+/*
+ * Rounding macros (Power of two boundaries only)
+ */
+#define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
+                                                (~(((ACPI_SIZE) boundary)-1)))
+
+#define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
+                                                (((ACPI_SIZE) boundary)-1)) & \
+                                                (~(((ACPI_SIZE) boundary)-1)))
+
+/* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
+
+#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
+#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
+#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
+
+#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
+#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
+#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
+
+#define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
+#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
+
+#define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
+
+/* Generic (non-power-of-two) rounding */
+
+#define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
+
+#define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
+
+/*
+ * Bitmask creation
+ * Bit positions start at zero.
+ * MASK_BITS_ABOVE creates a mask starting AT the position and above
+ * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
+ */
+#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((UINT32) (position))))
+#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((UINT32) (position)))
+
+/* Bitfields within ACPI registers */
+
+#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
+#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
+
+#define ACPI_INSERT_BITS(Target, Mask, Source)          Target = ((Target & (~(Mask))) | (Source & Mask))
+
+/*
+ * An ACPI_NAMESPACE_NODE can appear in some contexts
+ * where a pointer to an ACPI_OPERAND_OBJECT can also
+ * appear. This macro is used to distinguish them.
+ *
+ * The "Descriptor" field is the first field in both structures.
+ */
+#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
+#define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
+
+/*
+ * Macros for the master AML opcode table
+ */
+#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
+#define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
+    {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
+#else
+#define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
+    {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
+#endif
+
+#define ARG_TYPE_WIDTH                  5
+#define ARG_1(x)                        ((UINT32)(x))
+#define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
+#define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
+#define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
+#define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
+#define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
+
+#define ARGI_LIST1(a)                   (ARG_1(a))
+#define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
+#define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
+#define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
+#define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
+#define ARGI_LIST6(a, b, c, d, e, f)    (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
+
+#define ARGP_LIST1(a)                   (ARG_1(a))
+#define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
+#define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
+#define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
+#define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
+#define ARGP_LIST6(a, b, c, d, e, f)    (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
+
+#define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
+#define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
+
+/*
+ * Ascii error messages can be configured out
+ */
+#ifndef ACPI_NO_ERROR_MESSAGES
+/*
+ * Error reporting. Callers module and line number are inserted by AE_INFO,
+ * the plist contains a set of parens to allow variable-length lists.
+ * These macros are used for both the debug and non-debug versions of the code.
+ */
+#define ACPI_ERROR_NAMESPACE(s, e)      AcpiUtNamespaceError (AE_INFO, s, e);
+#define ACPI_ERROR_METHOD(s, n, p, e)   AcpiUtMethodError (AE_INFO, s, n, p, e);
+#define ACPI_WARN_PREDEFINED(plist)     AcpiUtPredefinedWarning plist
+#define ACPI_INFO_PREDEFINED(plist)     AcpiUtPredefinedInfo plist
+
+#else
+
+/* No error messages */
+
+#define ACPI_ERROR_NAMESPACE(s, e)
+#define ACPI_ERROR_METHOD(s, n, p, e)
+#define ACPI_WARN_PREDEFINED(plist)
+#define ACPI_INFO_PREDEFINED(plist)
+
+#endif /* ACPI_NO_ERROR_MESSAGES */
+
+/*
+ * Debug macros that are conditionally compiled
+ */
+#ifdef ACPI_DEBUG_OUTPUT
+/*
+ * Function entry tracing
+ */
+#define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
+                                            AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
+#define ACPI_FUNCTION_TRACE_PTR(a, b)   ACPI_FUNCTION_NAME(a) \
+                                            AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS, (void *)b)
+#define ACPI_FUNCTION_TRACE_U32(a, b)   ACPI_FUNCTION_NAME(a) \
+                                            AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS, (UINT32)b)
+#define ACPI_FUNCTION_TRACE_STR(a, b)   ACPI_FUNCTION_NAME(a) \
+                                            AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS, (char *)b)
+
+#define ACPI_FUNCTION_ENTRY()           AcpiUtTrackStackPtr()
+
+/*
+ * Function exit tracing.
+ * WARNING: These macros include a return statement. This is usually considered
+ * bad form, but having a separate exit macro is very ugly and difficult to maintain.
+ * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
+ * so that "_AcpiFunctionName" is defined.
+ *
+ * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
+ * about these constructs.
+ */
+#ifdef ACPI_USE_DO_WHILE_0
+#define ACPI_DO_WHILE0(a)               do a while(0)
+#else
+#define ACPI_DO_WHILE0(a)               a
+#endif
+
+#define return_VOID                     ACPI_DO_WHILE0 ({ \
+                                            AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
+                                            return;})
+/*
+ * There are two versions of most of the return macros. The default version is
+ * safer, since it avoids side-effects by guaranteeing that the argument will
+ * not be evaluated twice.
+ *
+ * A less-safe version of the macros is provided for optional use if the
+ * compiler uses excessive CPU stack (for example, this may happen in the
+ * debug case if code optimzation is disabled.)
+ */
+#ifndef ACPI_SIMPLE_RETURN_MACROS
+
+#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
+                                            register ACPI_STATUS _s = (s); \
+                                            AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
+                                            return (_s); })
+#define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
+                                            register void *_s = (void *) (s); \
+                                            AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
+                                            return (_s); })
+#define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
+                                            register UINT64 _s = (s); \
+                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
+                                            return (_s); })
+#define return_UINT8(s)                 ACPI_DO_WHILE0 ({ \
+                                            register UINT8 _s = (UINT8) (s); \
+                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
+                                            return (_s); })
+#define return_UINT32(s)                ACPI_DO_WHILE0 ({ \
+                                            register UINT32 _s = (UINT32) (s); \
+                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
+                                            return (_s); })
+#else /* Use original less-safe macros */
+
+#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
+                                            AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
+                                            return((s)); })
+#define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
+                                            AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
+                                            return((s)); })
+#define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
+                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) (s)); \
+                                            return((s)); })
+#define return_UINT8(s)                 return_VALUE(s)
+#define return_UINT32(s)                return_VALUE(s)
+
+#endif /* ACPI_SIMPLE_RETURN_MACROS */
+
+/* Conditional execution */
+
+#define ACPI_DEBUG_EXEC(a)              a
+#define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
+#define _VERBOSE_STRUCTURES
+
+
+/* Various object display routines for debug */
+
+#define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
+#define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
+#define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
+#define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
+#define ACPI_DUMP_BUFFER(a, b)          AcpiUtDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
+
+#else
+/*
+ * This is the non-debug case -- make everything go away,
+ * leaving no executable debug code!
+ */
+#define ACPI_DEBUG_EXEC(a)
+#define ACPI_DEBUG_ONLY_MEMBERS(a)
+#define ACPI_FUNCTION_TRACE(a)
+#define ACPI_FUNCTION_TRACE_PTR(a, b)
+#define ACPI_FUNCTION_TRACE_U32(a, b)
+#define ACPI_FUNCTION_TRACE_STR(a, b)
+#define ACPI_FUNCTION_EXIT
+#define ACPI_FUNCTION_STATUS_EXIT(s)
+#define ACPI_FUNCTION_VALUE_EXIT(s)
+#define ACPI_FUNCTION_ENTRY()
+#define ACPI_DUMP_STACK_ENTRY(a)
+#define ACPI_DUMP_OPERANDS(a, b, c)
+#define ACPI_DUMP_ENTRY(a, b)
+#define ACPI_DUMP_TABLES(a, b)
+#define ACPI_DUMP_PATHNAME(a, b, c, d)
+#define ACPI_DUMP_BUFFER(a, b)
+#define ACPI_DEBUG_PRINT(pl)
+#define ACPI_DEBUG_PRINT_RAW(pl)
+
+#define return_VOID                     return
+#define return_ACPI_STATUS(s)           return(s)
+#define return_VALUE(s)                 return(s)
+#define return_UINT8(s)                 return(s)
+#define return_UINT32(s)                return(s)
+#define return_PTR(s)                   return(s)
+
+#endif /* ACPI_DEBUG_OUTPUT */
+
+
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_OPTIONAL_FUNCTION(addr)     addr
+#else
+#define ACPI_HW_OPTIONAL_FUNCTION(addr)     NULL
+#endif
+
+
+/*
+ * Some code only gets executed when the debugger is built in.
+ * Note that this is entirely independent of whether the
+ * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
+ */
+#ifdef ACPI_DEBUGGER
+#define ACPI_DEBUGGER_EXEC(a)           a
+#else
+#define ACPI_DEBUGGER_EXEC(a)
+#endif
+
+
+/*
+ * Memory allocation tracking (DEBUG ONLY)
+ */
+#define ACPI_MEM_PARAMETERS         _COMPONENT, _AcpiModuleName, __LINE__
+
+#ifndef ACPI_DBG_TRACK_ALLOCATIONS
+
+/* Memory allocation */
+
+#define ACPI_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
+#define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
+#define ACPI_FREE(a)                AcpiOsFree(a)
+#define ACPI_MEM_TRACKING(a)
+
+#else
+
+/* Memory allocation */
+
+#define ACPI_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
+#define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
+#define ACPI_FREE(a)                AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS)
+#define ACPI_MEM_TRACKING(a)        a
+
+#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
+
+
+/*
+ * Macros used for ACPICA utilities only
+ */
+
+/* Generate a UUID */
+
+#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+    (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
+    (b) & 0xFF, ((b) >> 8) & 0xFF, \
+    (c) & 0xFF, ((c) >> 8) & 0xFF, \
+    (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
+
+#define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
+
+
+#endif /* ACMACROS_H */