LXR linux/drivers/acpi/acpica/acmacros.h

   1/******************************************************************************
   2 *
   3 * Name: acmacros.h - C macros for the entire subsystem.
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2014, 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 helpers. These macros are workarounds 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#if ACPI_MACHINE_WIDTH == 64
  73#define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
  74#define ACPI_FORMAT_TO_UINT(i)          ACPI_FORMAT_UINT64(i)
  75#define ACPI_PRINTF_UINT                 "0x%8.8X%8.8X"
  76
  77#else
  78#define ACPI_FORMAT_NATIVE_UINT(i)      0, (u32) (i)
  79#define ACPI_FORMAT_TO_UINT(i)          (u32) (i)
  80#define ACPI_PRINTF_UINT                 "0x%8.8X"
  81#endif
  82
  83/*
  84 * Macros for moving data around to/from buffers that are possibly unaligned.
  85 * If the hardware supports the transfer of unaligned data, just do the store.
  86 * Otherwise, we have to move one byte at a time.
  87 */
  88#ifdef ACPI_BIG_ENDIAN
  89/*
  90 * Macros for big-endian machines
  91 */
  92
  93/* These macros reverse the bytes during the move, converting little-endian to big endian */
  94
  95         /* Big Endian      <==        Little Endian */
  96         /*  Hi...Lo                     Lo...Hi     */
  97/* 16-bit source, 16/32/64 destination */
  98
  99#define ACPI_MOVE_16_TO_16(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
 100                          ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
 101
 102#define ACPI_MOVE_16_TO_32(d, s)        {(*(u32 *)(void *)(d))=0;\
 103                                          ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
 104                                          ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
 105
 106#define ACPI_MOVE_16_TO_64(d, s)        {(*(u64 *)(void *)(d))=0;\
 107                                                           ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 108                                                           ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 109
 110/* 32-bit source, 16/32/64 destination */
 111
 112#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
 113
 114#define ACPI_MOVE_32_TO_32(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
 115                                                                          ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
 116                                                                          ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
 117                                                                          ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
 118
 119#define ACPI_MOVE_32_TO_64(d, s)        {(*(u64 *)(void *)(d))=0;\
 120                                                                                   ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
 121                                                                                   ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
 122                                                                                   ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 123                                                                                   ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 124
 125/* 64-bit source, 16/32/64 destination */
 126
 127#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
 128
 129#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)        /* Truncate to 32 */
 130
 131#define ACPI_MOVE_64_TO_64(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
 132                                                                                 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
 133                                                                                 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
 134                                                                                 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
 135                                                                                 ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
 136                                                                                 ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
 137                                                                                 ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 138                                                                                 ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 139#else
 140/*
 141 * Macros for little-endian machines
 142 */
 143
 144#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
 145
 146/* The hardware supports unaligned transfers, just do the little-endian move */
 147
 148/* 16-bit source, 16/32/64 destination */
 149
 150#define ACPI_MOVE_16_TO_16(d, s)        *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
 151#define ACPI_MOVE_16_TO_32(d, s)        *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
 152#define ACPI_MOVE_16_TO_64(d, s)        *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
 153
 154/* 32-bit source, 16/32/64 destination */
 155
 156#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
 157#define ACPI_MOVE_32_TO_32(d, s)        *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
 158#define ACPI_MOVE_32_TO_64(d, s)        *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
 159
 160/* 64-bit source, 16/32/64 destination */
 161
 162#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
 163#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)        /* Truncate to 32 */
 164#define ACPI_MOVE_64_TO_64(d, s)        *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
 165
 166#else
 167/*
 168 * The hardware does not support unaligned transfers. We must move the
 169 * data one byte at a time. These macros work whether the source or
 170 * the destination (or both) is/are unaligned. (Little-endian move)
 171 */
 172
 173/* 16-bit source, 16/32/64 destination */
 174
 175#define ACPI_MOVE_16_TO_16(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 176                                                                                 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
 177
 178#define ACPI_MOVE_16_TO_32(d, s)        {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
 179#define ACPI_MOVE_16_TO_64(d, s)        {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
 180
 181/* 32-bit source, 16/32/64 destination */
 182
 183#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
 184
 185#define ACPI_MOVE_32_TO_32(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
 190#define ACPI_MOVE_32_TO_64(d, s)        {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
 191
 192/* 64-bit source, 16/32/64 destination */
 193
 194#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)        /* Truncate to 16 */
 195#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)        /* Truncate to 32 */
 196#define ACPI_MOVE_64_TO_64(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 197                                                                                 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
 198                                                                                 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
 199                                                                                 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
 200                                                                                 ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
 201                                                                                 ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
 202                                                                                 ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
 203                                                                                 ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
 204#endif
 205#endif
 206
 207/*
 208 * Fast power-of-two math macros for non-optimized compilers
 209 */
 210#define _ACPI_DIV(value, power_of2)     ((u32) ((value) >> (power_of2)))
 211#define _ACPI_MUL(value, power_of2)     ((u32) ((value) << (power_of2)))
 212#define _ACPI_MOD(value, divisor)       ((u32) ((value) & ((divisor) -1)))
 213
 214#define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
 215#define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
 216#define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
 217
 218#define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
 219#define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
 220#define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
 221
 222#define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
 223#define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
 224#define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
 225
 226#define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
 227#define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
 228#define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
 229
 230#define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
 231#define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
 232#define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
 233
 234/*
 235 * Rounding macros (Power of two boundaries only)
 236 */
 237#define ACPI_ROUND_DOWN(value, boundary)    (((acpi_size)(value)) & \
 238                                                                                                (~(((acpi_size) boundary)-1)))
 239
 240#define ACPI_ROUND_UP(value, boundary)      ((((acpi_size)(value)) + \
 241                                                                                                (((acpi_size) boundary)-1)) & \
 242                                                                                                (~(((acpi_size) boundary)-1)))
 243
 244/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
 245
 246#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
 247#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
 248#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(acpi_size))
 249
 250#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
 251#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
 252#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(acpi_size))
 253
 254#define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
 255#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
 256
 257#define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
 258
 259/* Generic (non-power-of-two) rounding */
 260
 261#define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
 262
 263#define ACPI_IS_MISALIGNED(value)           (((acpi_size) value) & (sizeof(acpi_size)-1))
 264
 265/*
 266 * Bitmask creation
 267 * Bit positions start at zero.
 268 * MASK_BITS_ABOVE creates a mask starting AT the position and above
 269 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
 270 */
 271#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((u32) (position))))
 272#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((u32) (position)))
 273
 274/* Bitfields within ACPI registers */
 275
 276#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) \
 277        ((val << pos) & mask)
 278
 279#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) \
 280        reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
 281
 282#define ACPI_INSERT_BITS(target, mask, source) \
 283        target = ((target & (~(mask))) | (source & mask))
 284
 285/* Generic bitfield macros and masks */
 286
 287#define ACPI_GET_BITS(source_ptr, position, mask) \
 288        ((*source_ptr >> position) & mask)
 289
 290#define ACPI_SET_BITS(target_ptr, position, mask, value) \
 291        (*target_ptr |= ((value & mask) << position))
 292
 293#define ACPI_1BIT_MASK      0x00000001
 294#define ACPI_2BIT_MASK      0x00000003
 295#define ACPI_3BIT_MASK      0x00000007
 296#define ACPI_4BIT_MASK      0x0000000F
 297#define ACPI_5BIT_MASK      0x0000001F
 298#define ACPI_6BIT_MASK      0x0000003F
 299#define ACPI_7BIT_MASK      0x0000007F
 300#define ACPI_8BIT_MASK      0x000000FF
 301#define ACPI_16BIT_MASK     0x0000FFFF
 302#define ACPI_24BIT_MASK     0x00FFFFFF
 303
 304/* Macros to extract flag bits from position zero */
 305
 306#define ACPI_GET_1BIT_FLAG(value)                   ((value) & ACPI_1BIT_MASK)
 307#define ACPI_GET_2BIT_FLAG(value)                   ((value) & ACPI_2BIT_MASK)
 308#define ACPI_GET_3BIT_FLAG(value)                   ((value) & ACPI_3BIT_MASK)
 309#define ACPI_GET_4BIT_FLAG(value)                   ((value) & ACPI_4BIT_MASK)
 310
 311/* Macros to extract flag bits from position one and above */
 312
 313#define ACPI_EXTRACT_1BIT_FLAG(field, position)     (ACPI_GET_1BIT_FLAG ((field) >> position))
 314#define ACPI_EXTRACT_2BIT_FLAG(field, position)     (ACPI_GET_2BIT_FLAG ((field) >> position))
 315#define ACPI_EXTRACT_3BIT_FLAG(field, position)     (ACPI_GET_3BIT_FLAG ((field) >> position))
 316#define ACPI_EXTRACT_4BIT_FLAG(field, position)     (ACPI_GET_4BIT_FLAG ((field) >> position))
 317
 318/* ACPI Pathname helpers */
 319
 320#define ACPI_IS_ROOT_PREFIX(c)      ((c) == (u8) 0x5C)  /* Backslash */
 321#define ACPI_IS_PARENT_PREFIX(c)    ((c) == (u8) 0x5E)  /* Carat */
 322#define ACPI_IS_PATH_SEPARATOR(c)   ((c) == (u8) 0x2E)  /* Period (dot) */
 323
 324/*
 325 * An object of type struct acpi_namespace_node can appear in some contexts
 326 * where a pointer to an object of type union acpi_operand_object can also
 327 * appear. This macro is used to distinguish them.
 328 *
 329 * The "DescriptorType" field is the second field in both structures.
 330 */
 331#define ACPI_GET_DESCRIPTOR_PTR(d)      (((union acpi_descriptor *)(void *)(d))->common.common_pointer)
 332#define ACPI_SET_DESCRIPTOR_PTR(d, p)   (((union acpi_descriptor *)(void *)(d))->common.common_pointer = (p))
 333#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
 334#define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = (t))
 335
 336/*
 337 * Macros for the master AML opcode table
 338 */
 339#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
 340#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
 341        {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
 342#else
 343#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
 344        {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
 345#endif
 346
 347#define ARG_TYPE_WIDTH                  5
 348#define ARG_1(x)                        ((u32)(x))
 349#define ARG_2(x)                        ((u32)(x) << (1 * ARG_TYPE_WIDTH))
 350#define ARG_3(x)                        ((u32)(x) << (2 * ARG_TYPE_WIDTH))
 351#define ARG_4(x)                        ((u32)(x) << (3 * ARG_TYPE_WIDTH))
 352#define ARG_5(x)                        ((u32)(x) << (4 * ARG_TYPE_WIDTH))
 353#define ARG_6(x)                        ((u32)(x) << (5 * ARG_TYPE_WIDTH))
 354
 355#define ARGI_LIST1(a)                   (ARG_1(a))
 356#define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
 357#define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
 358#define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
 359#define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
 360#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))
 361
 362#define ARGP_LIST1(a)                   (ARG_1(a))
 363#define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
 364#define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
 365#define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
 366#define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
 367#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))
 368
 369#define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
 370#define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
 371
 372/*
 373 * Ascii error messages can be configured out
 374 */
 375#ifndef ACPI_NO_ERROR_MESSAGES
 376/*
 377 * Error reporting. Callers module and line number are inserted by AE_INFO,
 378 * the plist contains a set of parens to allow variable-length lists.
 379 * These macros are used for both the debug and non-debug versions of the code.
 380 */
 381#define ACPI_ERROR_NAMESPACE(s, e)          acpi_ut_namespace_error (AE_INFO, s, e);
 382#define ACPI_ERROR_METHOD(s, n, p, e)       acpi_ut_method_error (AE_INFO, s, n, p, e);
 383#define ACPI_WARN_PREDEFINED(plist)         acpi_ut_predefined_warning plist
 384#define ACPI_INFO_PREDEFINED(plist)         acpi_ut_predefined_info plist
 385#define ACPI_BIOS_ERROR_PREDEFINED(plist)   acpi_ut_predefined_bios_error plist
 386
 387#else
 388
 389/* No error messages */
 390
 391#define ACPI_ERROR_NAMESPACE(s, e)
 392#define ACPI_ERROR_METHOD(s, n, p, e)
 393#define ACPI_WARN_PREDEFINED(plist)
 394#define ACPI_INFO_PREDEFINED(plist)
 395#define ACPI_BIOS_ERROR_PREDEFINED(plist)
 396
 397#endif                          /* ACPI_NO_ERROR_MESSAGES */
 398
 399#if (!ACPI_REDUCED_HARDWARE)
 400#define ACPI_HW_OPTIONAL_FUNCTION(addr)     addr
 401#else
 402#define ACPI_HW_OPTIONAL_FUNCTION(addr)     NULL
 403#endif
 404
 405/*
 406 * Some code only gets executed when the debugger is built in.
 407 * Note that this is entirely independent of whether the
 408 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
 409 */
 410#ifdef ACPI_DEBUGGER
 411#define ACPI_DEBUGGER_EXEC(a)           a
 412#else
 413#define ACPI_DEBUGGER_EXEC(a)
 414#endif
 415
 416/*
 417 * Macros used for ACPICA utilities only
 418 */
 419
 420/* Generate a UUID */
 421
 422#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
 423        (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
 424        (b) & 0xFF, ((b) >> 8) & 0xFF, \
 425        (c) & 0xFF, ((c) >> 8) & 0xFF, \
 426        (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
 427
 428#define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
 429
 430#endif                          /* ACMACROS_H */
 431