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acmacros.h revision 1.2
      1 /******************************************************************************
      2  *
      3  * Name: acmacros.h - C macros for the entire subsystem.
      4  *
      5  *****************************************************************************/
      6 
      7 /******************************************************************************
      8  *
      9  * 1. Copyright Notice
     10  *
     11  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
     12  * All rights reserved.
     13  *
     14  * 2. License
     15  *
     16  * 2.1. This is your license from Intel Corp. under its intellectual property
     17  * rights.  You may have additional license terms from the party that provided
     18  * you this software, covering your right to use that party's intellectual
     19  * property rights.
     20  *
     21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
     22  * copy of the source code appearing in this file ("Covered Code") an
     23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
     24  * base code distributed originally by Intel ("Original Intel Code") to copy,
     25  * make derivatives, distribute, use and display any portion of the Covered
     26  * Code in any form, with the right to sublicense such rights; and
     27  *
     28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
     29  * license (with the right to sublicense), under only those claims of Intel
     30  * patents that are infringed by the Original Intel Code, to make, use, sell,
     31  * offer to sell, and import the Covered Code and derivative works thereof
     32  * solely to the minimum extent necessary to exercise the above copyright
     33  * license, and in no event shall the patent license extend to any additions
     34  * to or modifications of the Original Intel Code.  No other license or right
     35  * is granted directly or by implication, estoppel or otherwise;
     36  *
     37  * The above copyright and patent license is granted only if the following
     38  * conditions are met:
     39  *
     40  * 3. Conditions
     41  *
     42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
     43  * Redistribution of source code of any substantial portion of the Covered
     44  * Code or modification with rights to further distribute source must include
     45  * the above Copyright Notice, the above License, this list of Conditions,
     46  * and the following Disclaimer and Export Compliance provision.  In addition,
     47  * Licensee must cause all Covered Code to which Licensee contributes to
     48  * contain a file documenting the changes Licensee made to create that Covered
     49  * Code and the date of any change.  Licensee must include in that file the
     50  * documentation of any changes made by any predecessor Licensee.  Licensee
     51  * must include a prominent statement that the modification is derived,
     52  * directly or indirectly, from Original Intel Code.
     53  *
     54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
     55  * Redistribution of source code of any substantial portion of the Covered
     56  * Code or modification without rights to further distribute source must
     57  * include the following Disclaimer and Export Compliance provision in the
     58  * documentation and/or other materials provided with distribution.  In
     59  * addition, Licensee may not authorize further sublicense of source of any
     60  * portion of the Covered Code, and must include terms to the effect that the
     61  * license from Licensee to its licensee is limited to the intellectual
     62  * property embodied in the software Licensee provides to its licensee, and
     63  * not to intellectual property embodied in modifications its licensee may
     64  * make.
     65  *
     66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
     67  * substantial portion of the Covered Code or modification must reproduce the
     68  * above Copyright Notice, and the following Disclaimer and Export Compliance
     69  * provision in the documentation and/or other materials provided with the
     70  * distribution.
     71  *
     72  * 3.4. Intel retains all right, title, and interest in and to the Original
     73  * Intel Code.
     74  *
     75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
     76  * Intel shall be used in advertising or otherwise to promote the sale, use or
     77  * other dealings in products derived from or relating to the Covered Code
     78  * without prior written authorization from Intel.
     79  *
     80  * 4. Disclaimer and Export Compliance
     81  *
     82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
     83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
     84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
     85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
     86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
     87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
     88  * PARTICULAR PURPOSE.
     89  *
     90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
     91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
     92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
     93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
     94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
     95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
     96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
     97  * LIMITED REMEDY.
     98  *
     99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
    100  * software or system incorporating such software without first obtaining any
    101  * required license or other approval from the U. S. Department of Commerce or
    102  * any other agency or department of the United States Government.  In the
    103  * event Licensee exports any such software from the United States or
    104  * re-exports any such software from a foreign destination, Licensee shall
    105  * ensure that the distribution and export/re-export of the software is in
    106  * compliance with all laws, regulations, orders, or other restrictions of the
    107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
    108  * any of its subsidiaries will export/re-export any technical data, process,
    109  * software, or service, directly or indirectly, to any country for which the
    110  * United States government or any agency thereof requires an export license,
    111  * other governmental approval, or letter of assurance, without first obtaining
    112  * such license, approval or letter.
    113  *
    114  *****************************************************************************/
    115 
    116 #ifndef __ACMACROS_H__
    117 #define __ACMACROS_H__
    118 
    119 
    120 /*
    121  * Extract data using a pointer. Any more than a byte and we
    122  * get into potential aligment issues -- see the STORE macros below.
    123  * Use with care.
    124  */
    125 #define ACPI_GET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
    126 #define ACPI_GET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
    127 #define ACPI_GET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
    128 #define ACPI_GET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
    129 #define ACPI_SET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
    130 #define ACPI_SET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
    131 #define ACPI_SET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
    132 #define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
    133 
    134 /*
    135  * printf() format helpers
    136  */
    137 
    138 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
    139 
    140 #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
    141 
    142 #if ACPI_MACHINE_WIDTH == 64
    143 #define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
    144 #else
    145 #define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
    146 #endif
    147 
    148 
    149 /*
    150  * Macros for moving data around to/from buffers that are possibly unaligned.
    151  * If the hardware supports the transfer of unaligned data, just do the store.
    152  * Otherwise, we have to move one byte at a time.
    153  */
    154 #ifdef ACPI_BIG_ENDIAN
    155 /*
    156  * Macros for big-endian machines
    157  */
    158 
    159 /* These macros reverse the bytes during the move, converting little-endian to big endian */
    160 
    161                                                      /* Big Endian      <==        Little Endian */
    162                                                      /*  Hi...Lo                     Lo...Hi     */
    163 /* 16-bit source, 16/32/64 destination */
    164 
    165 #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((const UINT8 *)(const void *)(s))[1];\
    166                                          ((  UINT8 *)(void *)(d))[1] = ((const UINT8 *)(const void *)(s))[0];}
    167 
    168 #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
    169                                            ((UINT8 *)(void *)(d))[2] = ((const UINT8 *)(const void *)(s))[1];\
    170                                            ((UINT8 *)(void *)(d))[3] = ((const UINT8 *)(const void *)(s))[0];}
    171 
    172 #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
    173                                            ((UINT8 *)(void *)(d))[6] = ((const UINT8 *)(const void *)(s))[1];\
    174                                            ((UINT8 *)(void *)(d))[7] = ((const UINT8 *)(const void *)(s))[0];}
    175 
    176 /* 32-bit source, 16/32/64 destination */
    177 
    178 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    179 
    180 #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((const UINT8 *)(const void *)(s))[3];\
    181                                          ((  UINT8 *)(void *)(d))[1] = ((const UINT8 *)(const void *)(s))[2];\
    182                                          ((  UINT8 *)(void *)(d))[2] = ((const UINT8 *)(const void *)(s))[1];\
    183                                          ((  UINT8 *)(void *)(d))[3] = ((const UINT8 *)(const void *)(s))[0];}
    184 
    185 #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
    186                                            ((UINT8 *)(void *)(d))[4] = ((const UINT8 *)(const void *)(s))[3];\
    187                                            ((UINT8 *)(void *)(d))[5] = ((const UINT8 *)(const void *)(s))[2];\
    188                                            ((UINT8 *)(void *)(d))[6] = ((const UINT8 *)(const void *)(s))[1];\
    189                                            ((UINT8 *)(void *)(d))[7] = ((const UINT8 *)(const void *)(s))[0];}
    190 
    191 /* 64-bit source, 16/32/64 destination */
    192 
    193 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    194 
    195 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
    196 
    197 #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((const UINT8 *)(const void *)(s))[7];\
    198                                          ((  UINT8 *)(void *)(d))[1] = ((const UINT8 *)(const void *)(s))[6];\
    199                                          ((  UINT8 *)(void *)(d))[2] = ((const UINT8 *)(const void *)(s))[5];\
    200                                          ((  UINT8 *)(void *)(d))[3] = ((const UINT8 *)(const void *)(s))[4];\
    201                                          ((  UINT8 *)(void *)(d))[4] = ((const UINT8 *)(const void *)(s))[3];\
    202                                          ((  UINT8 *)(void *)(d))[5] = ((const UINT8 *)(const void *)(s))[2];\
    203                                          ((  UINT8 *)(void *)(d))[6] = ((const UINT8 *)(const void *)(s))[1];\
    204                                          ((  UINT8 *)(void *)(d))[7] = ((const UINT8 *)(const void *)(s))[0];}
    205 #else
    206 /*
    207  * Macros for little-endian machines
    208  */
    209 
    210 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
    211 
    212 /* The hardware supports unaligned transfers, just do the little-endian move */
    213 
    214 /* 16-bit source, 16/32/64 destination */
    215 
    216 #define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(const UINT16 *)(const void *)(s)
    217 #define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(const UINT16 *)(const void *)(s)
    218 #define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(const UINT16 *)(const void *)(s)
    219 
    220 /* 32-bit source, 16/32/64 destination */
    221 
    222 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    223 #define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(const UINT32 *)(const void *)(s)
    224 #define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(const UINT32 *)(const void *)(s)
    225 
    226 /* 64-bit source, 16/32/64 destination */
    227 
    228 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    229 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
    230 #define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(const UINT64 *)(const void *)(s)
    231 
    232 #else
    233 /*
    234  * The hardware does not support unaligned transfers. We must move the
    235  * data one byte at a time. These macros work whether the source or
    236  * the destination (or both) is/are unaligned. (Little-endian move)
    237  */
    238 
    239 /* 16-bit source, 16/32/64 destination */
    240 
    241 #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((const UINT8 *)(const void *)(s))[0];\
    242                                          ((  UINT8 *)(void *)(d))[1] = ((const UINT8 *)(const void *)(s))[1];}
    243 
    244 #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
    245 #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
    246 
    247 /* 32-bit source, 16/32/64 destination */
    248 
    249 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    250 
    251 #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((const UINT8 *)(const void *)(s))[0];\
    252                                          ((  UINT8 *)(void *)(d))[1] = ((const UINT8 *)(const void *)(s))[1];\
    253                                          ((  UINT8 *)(void *)(d))[2] = ((const UINT8 *)(const void *)(s))[2];\
    254                                          ((  UINT8 *)(void *)(d))[3] = ((const UINT8 *)(const void *)(s))[3];}
    255 
    256 #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
    257 
    258 /* 64-bit source, 16/32/64 destination */
    259 
    260 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
    261 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
    262 #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((const UINT8 *)(const void *)(s))[0];\
    263                                          ((  UINT8 *)(void *)(d))[1] = ((const UINT8 *)(const void *)(s))[1];\
    264                                          ((  UINT8 *)(void *)(d))[2] = ((const UINT8 *)(const void *)(s))[2];\
    265                                          ((  UINT8 *)(void *)(d))[3] = ((const UINT8 *)(const void *)(s))[3];\
    266                                          ((  UINT8 *)(void *)(d))[4] = ((const UINT8 *)(const void *)(s))[4];\
    267                                          ((  UINT8 *)(void *)(d))[5] = ((const UINT8 *)(const void *)(s))[5];\
    268                                          ((  UINT8 *)(void *)(d))[6] = ((const UINT8 *)(const void *)(s))[6];\
    269                                          ((  UINT8 *)(void *)(d))[7] = ((const UINT8 *)(const void *)(s))[7];}
    270 #endif
    271 #endif
    272 
    273 
    274 /*
    275  * Fast power-of-two math macros for non-optimized compilers
    276  */
    277 #define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
    278 #define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
    279 #define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
    280 
    281 #define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
    282 #define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
    283 #define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
    284 
    285 #define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
    286 #define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
    287 #define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
    288 
    289 #define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
    290 #define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
    291 #define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
    292 
    293 #define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
    294 #define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
    295 #define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
    296 
    297 #define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
    298 #define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
    299 #define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
    300 
    301 /*
    302  * Rounding macros (Power of two boundaries only)
    303  */
    304 #define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
    305                                                 (~(((ACPI_SIZE) boundary)-1)))
    306 
    307 #define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
    308                                                 (((ACPI_SIZE) boundary)-1)) & \
    309                                                 (~(((ACPI_SIZE) boundary)-1)))
    310 
    311 /* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
    312 
    313 #define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
    314 #define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
    315 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
    316 
    317 #define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
    318 #define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
    319 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
    320 
    321 #define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
    322 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
    323 
    324 #define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
    325 
    326 /* Generic (non-power-of-two) rounding */
    327 
    328 #define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
    329 
    330 #define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
    331 
    332 /*
    333  * Bitmask creation
    334  * Bit positions start at zero.
    335  * MASK_BITS_ABOVE creates a mask starting AT the position and above
    336  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
    337  */
    338 #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((UINT32) (position))))
    339 #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((UINT32) (position)))
    340 
    341 /* Bitfields within ACPI registers */
    342 
    343 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
    344 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
    345 
    346 #define ACPI_INSERT_BITS(Target, Mask, Source)          Target = ((Target & (~(Mask))) | (Source & Mask))
    347 
    348 /*
    349  * An ACPI_NAMESPACE_NODE can appear in some contexts
    350  * where a pointer to an ACPI_OPERAND_OBJECT can also
    351  * appear. This macro is used to distinguish them.
    352  *
    353  * The "Descriptor" field is the first field in both structures.
    354  */
    355 #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
    356 #define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
    357 
    358 /*
    359  * Macros for the master AML opcode table
    360  */
    361 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
    362 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
    363     {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
    364 #else
    365 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
    366     {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
    367 #endif
    368 
    369 #define ARG_TYPE_WIDTH                  5
    370 #define ARG_1(x)                        ((UINT32)(x))
    371 #define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
    372 #define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
    373 #define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
    374 #define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
    375 #define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
    376 
    377 #define ARGI_LIST1(a)                   (ARG_1(a))
    378 #define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
    379 #define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
    380 #define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
    381 #define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
    382 #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))
    383 
    384 #define ARGP_LIST1(a)                   (ARG_1(a))
    385 #define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
    386 #define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
    387 #define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
    388 #define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
    389 #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))
    390 
    391 #define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
    392 #define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
    393 
    394 /*
    395  * Ascii error messages can be configured out
    396  */
    397 #ifndef ACPI_NO_ERROR_MESSAGES
    398 /*
    399  * Error reporting. Callers module and line number are inserted by AE_INFO,
    400  * the plist contains a set of parens to allow variable-length lists.
    401  * These macros are used for both the debug and non-debug versions of the code.
    402  */
    403 #define ACPI_ERROR_NAMESPACE(s, e)      AcpiNsReportError (AE_INFO, s, e);
    404 #define ACPI_ERROR_METHOD(s, n, p, e)   AcpiNsReportMethodError (AE_INFO, s, n, p, e);
    405 #define ACPI_WARN_PREDEFINED(plist)     AcpiUtPredefinedWarning plist
    406 #define ACPI_INFO_PREDEFINED(plist)     AcpiUtPredefinedInfo plist
    407 
    408 #else
    409 
    410 /* No error messages */
    411 
    412 #define ACPI_ERROR_NAMESPACE(s, e)
    413 #define ACPI_ERROR_METHOD(s, n, p, e)
    414 #define ACPI_WARN_PREDEFINED(plist)
    415 #define ACPI_INFO_PREDEFINED(plist)
    416 
    417 #endif /* ACPI_NO_ERROR_MESSAGES */
    418 
    419 /*
    420  * Debug macros that are conditionally compiled
    421  */
    422 #ifdef ACPI_DEBUG_OUTPUT
    423 /*
    424  * Function entry tracing
    425  */
    426 #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
    427                                             AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
    428 #define ACPI_FUNCTION_TRACE_PTR(a, b)   ACPI_FUNCTION_NAME(a) \
    429                                             AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS, (void *)b)
    430 #define ACPI_FUNCTION_TRACE_U32(a, b)   ACPI_FUNCTION_NAME(a) \
    431                                             AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS, (UINT32)b)
    432 #define ACPI_FUNCTION_TRACE_STR(a, b)   ACPI_FUNCTION_NAME(a) \
    433                                             AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS, (char *)b)
    434 
    435 #define ACPI_FUNCTION_ENTRY()           AcpiUtTrackStackPtr()
    436 
    437 /*
    438  * Function exit tracing.
    439  * WARNING: These macros include a return statement. This is usually considered
    440  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
    441  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
    442  * so that "_AcpiFunctionName" is defined.
    443  *
    444  * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
    445  * about these constructs.
    446  */
    447 #ifdef ACPI_USE_DO_WHILE_0
    448 #define ACPI_DO_WHILE0(a)               do a while(0)
    449 #else
    450 #define ACPI_DO_WHILE0(a)               a
    451 #endif
    452 
    453 #define return_VOID                     ACPI_DO_WHILE0 ({ \
    454                                             AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
    455                                             return;})
    456 /*
    457  * There are two versions of most of the return macros. The default version is
    458  * safer, since it avoids side-effects by guaranteeing that the argument will
    459  * not be evaluated twice.
    460  *
    461  * A less-safe version of the macros is provided for optional use if the
    462  * compiler uses excessive CPU stack (for example, this may happen in the
    463  * debug case if code optimzation is disabled.)
    464  */
    465 #ifndef ACPI_SIMPLE_RETURN_MACROS
    466 
    467 #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
    468                                             register ACPI_STATUS _s = (s); \
    469                                             AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
    470                                             return (_s); })
    471 #define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
    472                                             register void *_s = (void *) (s); \
    473                                             AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
    474                                             return (_s); })
    475 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
    476                                             register UINT64 _s = (s); \
    477                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
    478                                             return (_s); })
    479 #define return_UINT8(s)                 ACPI_DO_WHILE0 ({ \
    480                                             register UINT8 _s = (UINT8) (s); \
    481                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
    482                                             return (_s); })
    483 #define return_UINT32(s)                ACPI_DO_WHILE0 ({ \
    484                                             register UINT32 _s = (UINT32) (s); \
    485                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
    486                                             return (_s); })
    487 #else /* Use original less-safe macros */
    488 
    489 #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
    490                                             AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
    491                                             return((s)); })
    492 #define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
    493                                             AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
    494                                             return((s)); })
    495 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
    496                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) (s)); \
    497                                             return((s)); })
    498 #define return_UINT8(s)                 return_VALUE(s)
    499 #define return_UINT32(s)                return_VALUE(s)
    500 
    501 #endif /* ACPI_SIMPLE_RETURN_MACROS */
    502 
    503 
    504 /* Conditional execution */
    505 
    506 #define ACPI_DEBUG_EXEC(a)              a
    507 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
    508 #define _VERBOSE_STRUCTURES
    509 
    510 
    511 /* Various object display routines for debug */
    512 
    513 #define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
    514 #define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
    515 #define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
    516 #define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
    517 #define ACPI_DUMP_BUFFER(a, b)          AcpiUtDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
    518 
    519 #else
    520 /*
    521  * This is the non-debug case -- make everything go away,
    522  * leaving no executable debug code!
    523  */
    524 #define ACPI_DEBUG_EXEC(a)
    525 #define ACPI_DEBUG_ONLY_MEMBERS(a)
    526 #define ACPI_FUNCTION_TRACE(a)
    527 #define ACPI_FUNCTION_TRACE_PTR(a, b)
    528 #define ACPI_FUNCTION_TRACE_U32(a, b)
    529 #define ACPI_FUNCTION_TRACE_STR(a, b)
    530 #define ACPI_FUNCTION_EXIT
    531 #define ACPI_FUNCTION_STATUS_EXIT(s)
    532 #define ACPI_FUNCTION_VALUE_EXIT(s)
    533 #define ACPI_FUNCTION_ENTRY()
    534 #define ACPI_DUMP_STACK_ENTRY(a)
    535 #define ACPI_DUMP_OPERANDS(a, b, c)
    536 #define ACPI_DUMP_ENTRY(a, b)
    537 #define ACPI_DUMP_TABLES(a, b)
    538 #define ACPI_DUMP_PATHNAME(a, b, c, d)
    539 #define ACPI_DUMP_BUFFER(a, b)
    540 #define ACPI_DEBUG_PRINT(pl)
    541 #define ACPI_DEBUG_PRINT_RAW(pl)
    542 
    543 #define return_VOID                     return
    544 #define return_ACPI_STATUS(s)           return(s)
    545 #define return_VALUE(s)                 return(s)
    546 #define return_UINT8(s)                 return(s)
    547 #define return_UINT32(s)                return(s)
    548 #define return_PTR(s)                   return(s)
    549 
    550 #endif /* ACPI_DEBUG_OUTPUT */
    551 
    552 /*
    553  * Some code only gets executed when the debugger is built in.
    554  * Note that this is entirely independent of whether the
    555  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
    556  */
    557 #ifdef ACPI_DEBUGGER
    558 #define ACPI_DEBUGGER_EXEC(a)           a
    559 #else
    560 #define ACPI_DEBUGGER_EXEC(a)
    561 #endif
    562 
    563 
    564 /*
    565  * Memory allocation tracking (DEBUG ONLY)
    566  */
    567 #define ACPI_MEM_PARAMETERS         _COMPONENT, _AcpiModuleName, __LINE__
    568 
    569 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
    570 
    571 /* Memory allocation */
    572 
    573 #define ACPI_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    574 #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    575 #define ACPI_FREE(a)                AcpiOsFree(a)
    576 #define ACPI_MEM_TRACKING(a)
    577 
    578 #else
    579 
    580 /* Memory allocation */
    581 
    582 #define ACPI_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    583 #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
    584 #define ACPI_FREE(a)                AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS)
    585 #define ACPI_MEM_TRACKING(a)        a
    586 
    587 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
    588 
    589 
    590 /*
    591  * Macros used for ACPICA utilities only
    592  */
    593 
    594 /* Generate a UUID */
    595 
    596 #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
    597     (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
    598     (b) & 0xFF, ((b) >> 8) & 0xFF, \
    599     (c) & 0xFF, ((c) >> 8) & 0xFF, \
    600     (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
    601 
    602 #define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
    603 
    604 
    605 #endif /* ACMACROS_H */
    606