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  1. /******************************************************************************
  2.  *
  3.  * Name: acmacros.h - C macros for the entire subsystem.
  4.  *
  5.  *****************************************************************************/
  6.  
  7. /*
  8.  * Copyright (C) 2000 - 2015, Intel Corp.
  9.  * All rights reserved.
  10.  *
  11.  * Redistribution and use in source and binary forms, with or without
  12.  * modification, are permitted provided that the following conditions
  13.  * are met:
  14.  * 1. Redistributions of source code must retain the above copyright
  15.  *    notice, this list of conditions, and the following disclaimer,
  16.  *    without modification.
  17.  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18.  *    substantially similar to the "NO WARRANTY" disclaimer below
  19.  *    ("Disclaimer") and any redistribution must be conditioned upon
  20.  *    including a substantially similar Disclaimer requirement for further
  21.  *    binary redistribution.
  22.  * 3. Neither the names of the above-listed copyright holders nor the names
  23.  *    of any contributors may be used to endorse or promote products derived
  24.  *    from this software without specific prior written permission.
  25.  *
  26.  * Alternatively, this software may be distributed under the terms of the
  27.  * GNU General Public License ("GPL") version 2 as published by the Free
  28.  * Software Foundation.
  29.  *
  30.  * NO WARRANTY
  31.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32.  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33.  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34.  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35.  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39.  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40.  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41.  * POSSIBILITY OF SUCH DAMAGES.
  42.  */
  43.  
  44. #ifndef __ACMACROS_H__
  45. #define __ACMACROS_H__
  46.  
  47. /*
  48.  * Extract data using a pointer. Any more than a byte and we
  49.  * get into potential aligment issues -- see the STORE macros below.
  50.  * Use with care.
  51.  */
  52. #define ACPI_CAST8(ptr)                 ACPI_CAST_PTR (u8, (ptr))
  53. #define ACPI_CAST16(ptr)                ACPI_CAST_PTR (u16, (ptr))
  54. #define ACPI_CAST32(ptr)                ACPI_CAST_PTR (u32, (ptr))
  55. #define ACPI_CAST64(ptr)                ACPI_CAST_PTR (u64, (ptr))
  56. #define ACPI_GET8(ptr)                  (*ACPI_CAST8 (ptr))
  57. #define ACPI_GET16(ptr)                 (*ACPI_CAST16 (ptr))
  58. #define ACPI_GET32(ptr)                 (*ACPI_CAST32 (ptr))
  59. #define ACPI_GET64(ptr)                 (*ACPI_CAST64 (ptr))
  60. #define ACPI_SET8(ptr, val)             (*ACPI_CAST8 (ptr) = (u8) (val))
  61. #define ACPI_SET16(ptr, val)            (*ACPI_CAST16 (ptr) = (u16) (val))
  62. #define ACPI_SET32(ptr, val)            (*ACPI_CAST32 (ptr) = (u32) (val))
  63. #define ACPI_SET64(ptr, val)            (*ACPI_CAST64 (ptr) = (u64) (val))
  64.  
  65. /*
  66.  * printf() format helper. This macros is a workaround for the difficulties
  67.  * with emitting 64-bit integers and 64-bit pointers with the same code
  68.  * for both 32-bit and 64-bit hosts.
  69.  */
  70. #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
  71.  
  72. /*
  73.  * Macros for moving data around to/from buffers that are possibly unaligned.
  74.  * If the hardware supports the transfer of unaligned data, just do the store.
  75.  * Otherwise, we have to move one byte at a time.
  76.  */
  77. #ifdef ACPI_BIG_ENDIAN
  78. /*
  79.  * Macros for big-endian machines
  80.  */
  81.  
  82. /* These macros reverse the bytes during the move, converting little-endian to big endian */
  83.  
  84.          /* Big Endian      <==        Little Endian */
  85.          /*  Hi...Lo                     Lo...Hi     */
  86. /* 16-bit source, 16/32/64 destination */
  87.  
  88. #define ACPI_MOVE_16_TO_16(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
  89.                           ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
  90.  
  91. #define ACPI_MOVE_16_TO_32(d, s)        {(*(u32 *)(void *)(d))=0;\
  92.                                           ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
  93.                                           ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
  94.  
  95. #define ACPI_MOVE_16_TO_64(d, s)        {(*(u64 *)(void *)(d))=0;\
  96.                                                            ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
  97.                                                            ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
  98.  
  99. /* 32-bit source, 16/32/64 destination */
  100.  
  101. #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
  102.  
  103. #define ACPI_MOVE_32_TO_32(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
  104.                                                                           ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
  105.                                                                           ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
  106.                                                                           ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
  107.  
  108. #define ACPI_MOVE_32_TO_64(d, s)        {(*(u64 *)(void *)(d))=0;\
  109.                                                                                    ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
  110.                                                                                    ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
  111.                                                                                    ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
  112.                                                                                    ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
  113.  
  114. /* 64-bit source, 16/32/64 destination */
  115.  
  116. #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
  117.  
  118. #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)        /* Truncate to 32 */
  119.  
  120. #define ACPI_MOVE_64_TO_64(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
  121.                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
  122.                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
  123.                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
  124.                                                                                  ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
  125.                                                                                  ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
  126.                                                                                  ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
  127.                                                                                  ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
  128. #else
  129. /*
  130.  * Macros for little-endian machines
  131.  */
  132.  
  133. #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
  134.  
  135. /* The hardware supports unaligned transfers, just do the little-endian move */
  136.  
  137. /* 16-bit source, 16/32/64 destination */
  138.  
  139. #define ACPI_MOVE_16_TO_16(d, s)        *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
  140. #define ACPI_MOVE_16_TO_32(d, s)        *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
  141. #define ACPI_MOVE_16_TO_64(d, s)        *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
  142.  
  143. /* 32-bit source, 16/32/64 destination */
  144.  
  145. #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
  146. #define ACPI_MOVE_32_TO_32(d, s)        *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
  147. #define ACPI_MOVE_32_TO_64(d, s)        *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
  148.  
  149. /* 64-bit source, 16/32/64 destination */
  150.  
  151. #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
  152. #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)        /* Truncate to 32 */
  153. #define ACPI_MOVE_64_TO_64(d, s)        *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
  154.  
  155. #else
  156. /*
  157.  * The hardware does not support unaligned transfers. We must move the
  158.  * data one byte at a time. These macros work whether the source or
  159.  * the destination (or both) is/are unaligned. (Little-endian move)
  160.  */
  161.  
  162. /* 16-bit source, 16/32/64 destination */
  163.  
  164. #define ACPI_MOVE_16_TO_16(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
  165.                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
  166.  
  167. #define ACPI_MOVE_16_TO_32(d, s)        {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
  168. #define ACPI_MOVE_16_TO_64(d, s)        {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
  169.  
  170. /* 32-bit source, 16/32/64 destination */
  171.  
  172. #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
  173.  
  174. #define ACPI_MOVE_32_TO_32(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
  175.                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
  176.                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
  177.                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
  178.  
  179. #define ACPI_MOVE_32_TO_64(d, s)        {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
  180.  
  181. /* 64-bit source, 16/32/64 destination */
  182.  
  183. #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
  184. #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)        /* Truncate to 32 */
  185. #define ACPI_MOVE_64_TO_64(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
  186.                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
  187.                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
  188.                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
  189.                                                                                  ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
  190.                                                                                  ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
  191.                                                                                  ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
  192.                                                                                  ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
  193. #endif
  194. #endif
  195.  
  196. /*
  197.  * Fast power-of-two math macros for non-optimized compilers
  198.  */
  199. #define _ACPI_DIV(value, power_of2)     ((u32) ((value) >> (power_of2)))
  200. #define _ACPI_MUL(value, power_of2)     ((u32) ((value) << (power_of2)))
  201. #define _ACPI_MOD(value, divisor)       ((u32) ((value) & ((divisor) -1)))
  202.  
  203. #define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
  204. #define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
  205. #define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
  206.  
  207. #define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
  208. #define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
  209. #define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
  210.  
  211. #define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
  212. #define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
  213. #define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
  214.  
  215. #define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
  216. #define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
  217. #define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
  218.  
  219. #define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
  220. #define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
  221. #define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
  222.  
  223. /* Test for ASCII character */
  224.  
  225. #define ACPI_IS_ASCII(c)                ((c) < 0x80)
  226.  
  227. /* Signed integers */
  228.  
  229. #define ACPI_SIGN_POSITIVE              0
  230. #define ACPI_SIGN_NEGATIVE              1
  231.  
  232. /*
  233.  * Rounding macros (Power of two boundaries only)
  234.  */
  235. #define ACPI_ROUND_DOWN(value, boundary)    (((acpi_size)(value)) & \
  236.                                                                                                 (~(((acpi_size) boundary)-1)))
  237.  
  238. #define ACPI_ROUND_UP(value, boundary)      ((((acpi_size)(value)) + \
  239.                                                                                                 (((acpi_size) boundary)-1)) & \
  240.                                                                                                 (~(((acpi_size) boundary)-1)))
  241.  
  242. /* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
  243.  
  244. #define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
  245. #define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
  246. #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(acpi_size))
  247.  
  248. #define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
  249. #define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
  250. #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(acpi_size))
  251.  
  252. #define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
  253. #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
  254.  
  255. #define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
  256.  
  257. /* Generic (non-power-of-two) rounding */
  258.  
  259. #define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
  260.  
  261. #define ACPI_IS_MISALIGNED(value)           (((acpi_size) value) & (sizeof(acpi_size)-1))
  262.  
  263. /*
  264.  * Bitmask creation
  265.  * Bit positions start at zero.
  266.  * MASK_BITS_ABOVE creates a mask starting AT the position and above
  267.  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
  268.  */
  269. #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((u32) (position))))
  270. #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((u32) (position)))
  271.  
  272. /* Bitfields within ACPI registers */
  273.  
  274. #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) \
  275.         ((val << pos) & mask)
  276.  
  277. #define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) \
  278.         reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
  279.  
  280. #define ACPI_INSERT_BITS(target, mask, source) \
  281.         target = ((target & (~(mask))) | (source & mask))
  282.  
  283. /* Generic bitfield macros and masks */
  284.  
  285. #define ACPI_GET_BITS(source_ptr, position, mask) \
  286.         ((*source_ptr >> position) & mask)
  287.  
  288. #define ACPI_SET_BITS(target_ptr, position, mask, value) \
  289.         (*target_ptr |= ((value & mask) << position))
  290.  
  291. #define ACPI_1BIT_MASK      0x00000001
  292. #define ACPI_2BIT_MASK      0x00000003
  293. #define ACPI_3BIT_MASK      0x00000007
  294. #define ACPI_4BIT_MASK      0x0000000F
  295. #define ACPI_5BIT_MASK      0x0000001F
  296. #define ACPI_6BIT_MASK      0x0000003F
  297. #define ACPI_7BIT_MASK      0x0000007F
  298. #define ACPI_8BIT_MASK      0x000000FF
  299. #define ACPI_16BIT_MASK     0x0000FFFF
  300. #define ACPI_24BIT_MASK     0x00FFFFFF
  301.  
  302. /* Macros to extract flag bits from position zero */
  303.  
  304. #define ACPI_GET_1BIT_FLAG(value)                   ((value) & ACPI_1BIT_MASK)
  305. #define ACPI_GET_2BIT_FLAG(value)                   ((value) & ACPI_2BIT_MASK)
  306. #define ACPI_GET_3BIT_FLAG(value)                   ((value) & ACPI_3BIT_MASK)
  307. #define ACPI_GET_4BIT_FLAG(value)                   ((value) & ACPI_4BIT_MASK)
  308.  
  309. /* Macros to extract flag bits from position one and above */
  310.  
  311. #define ACPI_EXTRACT_1BIT_FLAG(field, position)     (ACPI_GET_1BIT_FLAG ((field) >> position))
  312. #define ACPI_EXTRACT_2BIT_FLAG(field, position)     (ACPI_GET_2BIT_FLAG ((field) >> position))
  313. #define ACPI_EXTRACT_3BIT_FLAG(field, position)     (ACPI_GET_3BIT_FLAG ((field) >> position))
  314. #define ACPI_EXTRACT_4BIT_FLAG(field, position)     (ACPI_GET_4BIT_FLAG ((field) >> position))
  315.  
  316. /* ACPI Pathname helpers */
  317.  
  318. #define ACPI_IS_ROOT_PREFIX(c)      ((c) == (u8) 0x5C)  /* Backslash */
  319. #define ACPI_IS_PARENT_PREFIX(c)    ((c) == (u8) 0x5E)  /* Carat */
  320. #define ACPI_IS_PATH_SEPARATOR(c)   ((c) == (u8) 0x2E)  /* Period (dot) */
  321.  
  322. /*
  323.  * An object of type struct acpi_namespace_node can appear in some contexts
  324.  * where a pointer to an object of type union acpi_operand_object can also
  325.  * appear. This macro is used to distinguish them.
  326.  *
  327.  * The "DescriptorType" field is the second field in both structures.
  328.  */
  329. #define ACPI_GET_DESCRIPTOR_PTR(d)      (((union acpi_descriptor *)(void *)(d))->common.common_pointer)
  330. #define ACPI_SET_DESCRIPTOR_PTR(d, p)   (((union acpi_descriptor *)(void *)(d))->common.common_pointer = (p))
  331. #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
  332. #define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = (t))
  333.  
  334. /*
  335.  * Macros for the master AML opcode table
  336.  */
  337. #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
  338. #define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
  339.         {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
  340. #else
  341. #define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
  342.         {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
  343. #endif
  344.  
  345. #define ARG_TYPE_WIDTH                  5
  346. #define ARG_1(x)                        ((u32)(x))
  347. #define ARG_2(x)                        ((u32)(x) << (1 * ARG_TYPE_WIDTH))
  348. #define ARG_3(x)                        ((u32)(x) << (2 * ARG_TYPE_WIDTH))
  349. #define ARG_4(x)                        ((u32)(x) << (3 * ARG_TYPE_WIDTH))
  350. #define ARG_5(x)                        ((u32)(x) << (4 * ARG_TYPE_WIDTH))
  351. #define ARG_6(x)                        ((u32)(x) << (5 * ARG_TYPE_WIDTH))
  352.  
  353. #define ARGI_LIST1(a)                   (ARG_1(a))
  354. #define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
  355. #define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
  356. #define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
  357. #define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
  358. #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))
  359.  
  360. #define ARGP_LIST1(a)                   (ARG_1(a))
  361. #define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
  362. #define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
  363. #define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
  364. #define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
  365. #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))
  366.  
  367. #define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
  368. #define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
  369.  
  370. /*
  371.  * Ascii error messages can be configured out
  372.  */
  373. #ifndef ACPI_NO_ERROR_MESSAGES
  374. /*
  375.  * Error reporting. Callers module and line number are inserted by AE_INFO,
  376.  * the plist contains a set of parens to allow variable-length lists.
  377.  * These macros are used for both the debug and non-debug versions of the code.
  378.  */
  379. #define ACPI_ERROR_NAMESPACE(s, e)          acpi_ut_namespace_error (AE_INFO, s, e);
  380. #define ACPI_ERROR_METHOD(s, n, p, e)       acpi_ut_method_error (AE_INFO, s, n, p, e);
  381. #define ACPI_WARN_PREDEFINED(plist)         acpi_ut_predefined_warning plist
  382. #define ACPI_INFO_PREDEFINED(plist)         acpi_ut_predefined_info plist
  383. #define ACPI_BIOS_ERROR_PREDEFINED(plist)   acpi_ut_predefined_bios_error plist
  384.  
  385. #else
  386.  
  387. /* No error messages */
  388.  
  389. #define ACPI_ERROR_NAMESPACE(s, e)
  390. #define ACPI_ERROR_METHOD(s, n, p, e)
  391. #define ACPI_WARN_PREDEFINED(plist)
  392. #define ACPI_INFO_PREDEFINED(plist)
  393. #define ACPI_BIOS_ERROR_PREDEFINED(plist)
  394.  
  395. #endif                          /* ACPI_NO_ERROR_MESSAGES */
  396.  
  397. #if (!ACPI_REDUCED_HARDWARE)
  398. #define ACPI_HW_OPTIONAL_FUNCTION(addr)     addr
  399. #else
  400. #define ACPI_HW_OPTIONAL_FUNCTION(addr)     NULL
  401. #endif
  402.  
  403. /*
  404.  * Some code only gets executed when the debugger is built in.
  405.  * Note that this is entirely independent of whether the
  406.  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
  407.  */
  408. #ifdef ACPI_DEBUGGER
  409. #define ACPI_DEBUGGER_EXEC(a)           a
  410. #else
  411. #define ACPI_DEBUGGER_EXEC(a)
  412. #endif
  413.  
  414. /*
  415.  * Macros used for ACPICA utilities only
  416.  */
  417.  
  418. /* Generate a UUID */
  419.  
  420. #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
  421.         (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
  422.         (b) & 0xFF, ((b) >> 8) & 0xFF, \
  423.         (c) & 0xFF, ((c) >> 8) & 0xFF, \
  424.         (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
  425.  
  426. #define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
  427.  
  428. #endif                          /* ACMACROS_H */
  429.