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  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] = ((UINT8 *)(void *)(s))[1];\
  166.                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
  167.  
  168. #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
  169.                                            ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
  170.                                            ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
  171.  
  172. #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
  173.                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
  174.                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(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] = ((UINT8 *)(void *)(s))[3];\
  181.                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
  182.                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
  183.                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
  184.  
  185. #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
  186.                                            ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
  187.                                            ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
  188.                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
  189.                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(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] = ((UINT8 *)(void *)(s))[7];\
  198.                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
  199.                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
  200.                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
  201.                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
  202.                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
  203.                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
  204.                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(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) = *(UINT16 *)(void *)(s)
  217. #define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
  218. #define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(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) = *(UINT32 *)(void *)(s)
  224. #define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(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) = *(UINT64 *)(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] = ((UINT8 *)(void *)(s))[0];\
  242.                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(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] = ((UINT8 *)(void *)(s))[0];\
  252.                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
  253.                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
  254.                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(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] = ((UINT8 *)(void *)(s))[0];\
  263.                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
  264.                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
  265.                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
  266.                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
  267.                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
  268.                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
  269.                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(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.