include/acpi/acmacros.h

   1 /******************************************************************************
   2  *
   3  * Name: acmacros.h - C macros for the entire subsystem.
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2005, R. Byron Moore
   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 /*
  49  * Data manipulation macros
  50  */
  51 #define ACPI_LOWORD(l)                  ((u16)(u32)(l))
  52 #define ACPI_HIWORD(l)                  ((u16)((((u32)(l)) >> 16) & 0xFFFF))
  53 #define ACPI_LOBYTE(l)                  ((u8)(u16)(l))
  54 #define ACPI_HIBYTE(l)                  ((u8)((((u16)(l)) >> 8) & 0xFF))
  55
  56 #define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
  57 #define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
  58 #define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
  59
  60
  61 #if ACPI_MACHINE_WIDTH == 16
  62
  63 /*
  64  * For 16-bit addresses, we have to assume that the upper 32 bits
  65  * are zero.
  66  */
  67 #define ACPI_LODWORD(l)                 ((u32)(l))
  68 #define ACPI_HIDWORD(l)                 ((u32)(0))
  69
  70 #define ACPI_GET_ADDRESS(a)             ((a).lo)
  71 #define ACPI_STORE_ADDRESS(a,b)         {(a).hi=0;(a).lo=(u32)(b);}
  72 #define ACPI_VALID_ADDRESS(a)           ((a).hi | (a).lo)
  73
  74 #else
  75 #ifdef ACPI_NO_INTEGER64_SUPPORT
  76 /*
  77  * acpi_integer is 32-bits, no 64-bit support on this platform
  78  */
  79 #define ACPI_LODWORD(l)                 ((u32)(l))
  80 #define ACPI_HIDWORD(l)                 ((u32)(0))
  81
  82 #define ACPI_GET_ADDRESS(a)             (a)
  83 #define ACPI_STORE_ADDRESS(a,b)         ((a)=(b))
  84 #define ACPI_VALID_ADDRESS(a)           (a)
  85
  86 #else
  87
  88 /*
  89  * Full 64-bit address/integer on both 32-bit and 64-bit platforms
  90  */
  91 #define ACPI_LODWORD(l)                 ((u32)(u64)(l))
  92 #define ACPI_HIDWORD(l)                 ((u32)(((*(struct uint64_struct *)(void *)(&l))).hi))
  93
  94 #define ACPI_GET_ADDRESS(a)             (a)
  95 #define ACPI_STORE_ADDRESS(a,b)         ((a)=(acpi_physical_address)(b))
  96 #define ACPI_VALID_ADDRESS(a)           (a)
  97 #endif
  98 #endif
  99
 100 /*
 101  * printf() format helpers
 102  */
 103
 104 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
 105
 106 #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i),ACPI_LODWORD(i)
 107
 108 /*
 109  * Extract a byte of data using a pointer.  Any more than a byte and we
 110  * get into potential aligment issues -- see the STORE macros below
 111  */
 112 #define ACPI_GET8(addr)                 (*(u8*)(addr))
 113
 114 /* Pointer arithmetic */
 115
 116 #define ACPI_PTR_ADD(t,a,b)             (t *) (void *)((char *)(a) + (acpi_native_uint)(b))
 117 #define ACPI_PTR_DIFF(a,b)              (acpi_native_uint) ((char *)(a) - (char *)(b))
 118
 119 /* Pointer/Integer type conversions */
 120
 121 #define ACPI_TO_POINTER(i)              ACPI_PTR_ADD (void, (void *) NULL,(acpi_native_uint)i)
 122 #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
 123 #define ACPI_OFFSET(d,f)                (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
 124 #define ACPI_FADT_OFFSET(f)             ACPI_OFFSET (FADT_DESCRIPTOR, f)
 125
 126 #define ACPI_CAST_PTR(t, p)             ((t *)(void *)(p))
 127 #define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **)(void *)(p))
 128
 129 #if ACPI_MACHINE_WIDTH == 16
 130 #define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_32_TO_32(d,s)
 131 #define ACPI_PHYSADDR_TO_PTR(i)         (void *)(i)
 132 #define ACPI_PTR_TO_PHYSADDR(i)         (u32) (char *)(i)
 133 #else
 134 #define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
 135 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
 136 #endif
 137
 138 /*
 139  * Macros for moving data around to/from buffers that are possibly unaligned.
 140  * If the hardware supports the transfer of unaligned data, just do the store.
 141  * Otherwise, we have to move one byte at a time.
 142  */
 143 #ifdef ACPI_BIG_ENDIAN
 144 /*
 145  * Macros for big-endian machines
 146  */
 147
 148 /* This macro sets a buffer index, starting from the end of the buffer */
 149
 150 #define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) ((buf_len) - (((buf_offset)+1) * (byte_gran)))
 151
 152 /* These macros reverse the bytes during the move, converting little-endian to big endian */
 153
 154          /* Big Endian      <==        Little Endian */
 155          /*  Hi...Lo                     Lo...Hi     */
 156 /* 16-bit source, 16/32/64 destination */
 157
 158 #define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
 159                           ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
 160
 161 #define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d))=0;\
 162                                           ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
 163                                           ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
 164
 165 #define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
 166                                                            ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 167                                                            ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 168
 169 /* 32-bit source, 16/32/64 destination */
 170
 171 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
 172
 173 #define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
 174                                                                           ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
 175                                                                           ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
 176                                                                           ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
 177
 178 #define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
 179                                                                                    ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
 180                                                                                    ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
 181                                                                                    ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 182                                                                                    ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 183
 184 /* 64-bit source, 16/32/64 destination */
 185
 186 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
 187
 188 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
 189
 190 #define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
 191                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
 192                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
 193                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
 194                                                                                  ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
 195                                                                                  ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
 196                                                                                  ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 197                                                                                  ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 198 #else
 199 /*
 200  * Macros for little-endian machines
 201  */
 202
 203 /* This macro sets a buffer index, starting from the beginning of the buffer */
 204
 205 #define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) (buf_offset)
 206
 207 #ifdef ACPI_MISALIGNED_TRANSFERS
 208
 209 /* The hardware supports unaligned transfers, just do the little-endian move */
 210
 211 #if ACPI_MACHINE_WIDTH == 16
 212
 213 /* No 64-bit integers */
 214 /* 16-bit source, 16/32/64 destination */
 215
 216 #define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
 217 #define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
 218 #define ACPI_MOVE_16_TO_64(d,s)         ACPI_MOVE_16_TO_32(d,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)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
 224 #define ACPI_MOVE_32_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,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)         ACPI_MOVE_32_TO_32(d,s)
 231
 232 #else
 233 /* 16-bit source, 16/32/64 destination */
 234
 235 #define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
 236 #define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
 237 #define ACPI_MOVE_16_TO_64(d,s)         *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
 238
 239 /* 32-bit source, 16/32/64 destination */
 240
 241 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
 242 #define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
 243 #define ACPI_MOVE_32_TO_64(d,s)         *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
 244
 245 /* 64-bit source, 16/32/64 destination */
 246
 247 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
 248 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
 249 #define ACPI_MOVE_64_TO_64(d,s)         *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
 250 #endif
 251
 252 #else
 253 /*
 254  * The hardware does not support unaligned transfers.  We must move the
 255  * data one byte at a time.  These macros work whether the source or
 256  * the destination (or both) is/are unaligned.  (Little-endian move)
 257  */
 258
 259 /* 16-bit source, 16/32/64 destination */
 260
 261 #define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 262                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
 263
 264 #define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
 265 #define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
 266
 267 /* 32-bit source, 16/32/64 destination */
 268
 269 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
 270
 271 #define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 272                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
 273                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
 274                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
 275
 276 #define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}
 277
 278 /* 64-bit source, 16/32/64 destination */
 279
 280 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
 281 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
 282 #define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 283                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
 284                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
 285                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
 286                                                                                  ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
 287                                                                                  ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
 288                                                                                  ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
 289                                                                                  ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
 290 #endif
 291 #endif
 292
 293 /* Macros based on machine integer width */
 294
 295 #if ACPI_MACHINE_WIDTH == 16
 296 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_16_TO_16(d,s)
 297
 298 #elif ACPI_MACHINE_WIDTH == 32
 299 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_32_TO_16(d,s)
 300
 301 #elif ACPI_MACHINE_WIDTH == 64
 302 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_64_TO_16(d,s)
 303
 304 #else
 305 #error unknown ACPI_MACHINE_WIDTH
 306 #endif
 307
 308
 309 /*
 310  * Fast power-of-two math macros for non-optimized compilers
 311  */
 312 #define _ACPI_DIV(value,power_of2)      ((u32) ((value) >> (power_of2)))
 313 #define _ACPI_MUL(value,power_of2)      ((u32) ((value) << (power_of2)))
 314 #define _ACPI_MOD(value,divisor)        ((u32) ((value) & ((divisor) -1)))
 315
 316 #define ACPI_DIV_2(a)                   _ACPI_DIV(a,1)
 317 #define ACPI_MUL_2(a)                   _ACPI_MUL(a,1)
 318 #define ACPI_MOD_2(a)                   _ACPI_MOD(a,2)
 319
 320 #define ACPI_DIV_4(a)                   _ACPI_DIV(a,2)
 321 #define ACPI_MUL_4(a)                   _ACPI_MUL(a,2)
 322 #define ACPI_MOD_4(a)                   _ACPI_MOD(a,4)
 323
 324 #define ACPI_DIV_8(a)                   _ACPI_DIV(a,3)
 325 #define ACPI_MUL_8(a)                   _ACPI_MUL(a,3)
 326 #define ACPI_MOD_8(a)                   _ACPI_MOD(a,8)
 327
 328 #define ACPI_DIV_16(a)                  _ACPI_DIV(a,4)
 329 #define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
 330 #define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)
 331
 332
 333 /*
 334  * Rounding macros (Power of two boundaries only)
 335  */
 336 #define ACPI_ROUND_DOWN(value,boundary)      (((acpi_native_uint)(value)) & (~(((acpi_native_uint) boundary)-1)))
 337 #define ACPI_ROUND_UP(value,boundary)        ((((acpi_native_uint)(value)) + (((acpi_native_uint) boundary)-1)) & (~(((acpi_native_uint) boundary)-1)))
 338
 339 #define ACPI_ROUND_DOWN_TO_32_BITS(a)        ACPI_ROUND_DOWN(a,4)
 340 #define ACPI_ROUND_DOWN_TO_64_BITS(a)        ACPI_ROUND_DOWN(a,8)
 341 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)    ACPI_ROUND_DOWN(a,ALIGNED_ADDRESS_BOUNDARY)
 342
 343 #define ACPI_ROUND_UP_to_32_bITS(a)          ACPI_ROUND_UP(a,4)
 344 #define ACPI_ROUND_UP_to_64_bITS(a)          ACPI_ROUND_UP(a,8)
 345 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)      ACPI_ROUND_UP(a,ALIGNED_ADDRESS_BOUNDARY)
 346
 347
 348 #define ACPI_ROUND_BITS_UP_TO_BYTES(a)       ACPI_DIV_8((a) + 7)
 349 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)     ACPI_DIV_8((a))
 350
 351 #define ACPI_ROUND_UP_TO_1K(a)               (((a) + 1023) >> 10)
 352
 353 /* Generic (non-power-of-two) rounding */
 354
 355 #define ACPI_ROUND_UP_TO(value,boundary)     (((value) + ((boundary)-1)) / (boundary))
 356
 357 /*
 358  * Bitmask creation
 359  * Bit positions start at zero.
 360  * MASK_BITS_ABOVE creates a mask starting AT the position and above
 361  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
 362  */
 363 #define ACPI_MASK_BITS_ABOVE(position)       (~((ACPI_INTEGER_MAX) << ((u32) (position))))
 364 #define ACPI_MASK_BITS_BELOW(position)       ((ACPI_INTEGER_MAX) << ((u32) (position)))
 365
 366 #define ACPI_IS_OCTAL_DIGIT(d)               (((char)(d) >= '0') && ((char)(d) <= '7'))
 367
 368
 369 /* Bitfields within ACPI registers */
 370
 371 #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask)      ((val << pos) & mask)
 372 #define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val)  reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
 373
 374 /*
 375  * An struct acpi_namespace_node * can appear in some contexts,
 376  * where a pointer to an union acpi_operand_object    can also
 377  * appear.  This macro is used to distinguish them.
 378  *
 379  * The "Descriptor" field is the first field in both structures.
 380  */
 381 #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((union acpi_descriptor *)(void *)(d))->descriptor_id)
 382 #define ACPI_SET_DESCRIPTOR_TYPE(d,t)   (((union acpi_descriptor *)(void *)(d))->descriptor_id = t)
 383
 384
 385 /* Macro to test the object type */
 386
 387 #define ACPI_GET_OBJECT_TYPE(d)         (((union acpi_operand_object *)(void *)(d))->common.type)
 388
 389 /* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */
 390
 391 #define ACPI_IS_SINGLE_TABLE(x)         (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)
 392
 393 /*
 394  * Macros for the master AML opcode table
 395  */
 396 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
 397 #define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {name,(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
 398 #else
 399 #define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
 400 #endif
 401
 402 #ifdef ACPI_DISASSEMBLER
 403 #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
 404 #else
 405 #define ACPI_DISASM_ONLY_MEMBERS(a)
 406 #endif
 407
 408 #define ARG_TYPE_WIDTH                  5
 409 #define ARG_1(x)                        ((u32)(x))
 410 #define ARG_2(x)                        ((u32)(x) << (1 * ARG_TYPE_WIDTH))
 411 #define ARG_3(x)                        ((u32)(x) << (2 * ARG_TYPE_WIDTH))
 412 #define ARG_4(x)                        ((u32)(x) << (3 * ARG_TYPE_WIDTH))
 413 #define ARG_5(x)                        ((u32)(x) << (4 * ARG_TYPE_WIDTH))
 414 #define ARG_6(x)                        ((u32)(x) << (5 * ARG_TYPE_WIDTH))
 415
 416 #define ARGI_LIST1(a)                   (ARG_1(a))
 417 #define ARGI_LIST2(a,b)                 (ARG_1(b)|ARG_2(a))
 418 #define ARGI_LIST3(a,b,c)               (ARG_1(c)|ARG_2(b)|ARG_3(a))
 419 #define ARGI_LIST4(a,b,c,d)             (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
 420 #define ARGI_LIST5(a,b,c,d,e)           (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
 421 #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))
 422
 423 #define ARGP_LIST1(a)                   (ARG_1(a))
 424 #define ARGP_LIST2(a,b)                 (ARG_1(a)|ARG_2(b))
 425 #define ARGP_LIST3(a,b,c)               (ARG_1(a)|ARG_2(b)|ARG_3(c))
 426 #define ARGP_LIST4(a,b,c,d)             (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
 427 #define ARGP_LIST5(a,b,c,d,e)           (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
 428 #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))
 429
 430 #define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
 431 #define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
 432
 433
 434 /*
 435  * Reporting macros that are never compiled out
 436  */
 437 #define ACPI_PARAM_LIST(pl)                 pl
 438
 439 /*
 440  * Error reporting.  These versions add callers module and line#.  Since
 441  * _THIS_MODULE gets compiled out when ACPI_DEBUG_OUTPUT isn't defined, only
 442  * use it in debug mode.
 443  */
 444 #ifdef ACPI_DEBUG_OUTPUT
 445
 446 #define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info(_THIS_MODULE,__LINE__,_COMPONENT); \
 447                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 448 #define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error(_THIS_MODULE,__LINE__,_COMPONENT); \
 449                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 450 #define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning(_THIS_MODULE,__LINE__,_COMPONENT); \
 451                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 452 #define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error(_THIS_MODULE,__LINE__,_COMPONENT, s, e);
 453
 454 #define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error(_THIS_MODULE,__LINE__,_COMPONENT, s, n, p, e);
 455
 456 #else
 457
 458 #define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info("ACPI",__LINE__,_COMPONENT); \
 459                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 460 #define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error("ACPI",__LINE__,_COMPONENT); \
 461                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 462 #define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning("ACPI",__LINE__,_COMPONENT); \
 463                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 464 #define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error("ACPI",__LINE__,_COMPONENT, s, e);
 465
 466 #define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error("ACPI",__LINE__,_COMPONENT, s, n, p, e);
 467
 468 #endif
 469
 470 /* Error reporting.  These versions pass thru the module and line# */
 471
 472 #define _ACPI_REPORT_INFO(a,b,c,fp)         {acpi_ut_report_info(a,b,c); \
 473                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 474 #define _ACPI_REPORT_ERROR(a,b,c,fp)        {acpi_ut_report_error(a,b,c); \
 475                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 476 #define _ACPI_REPORT_WARNING(a,b,c,fp)      {acpi_ut_report_warning(a,b,c); \
 477                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
 478
 479 /*
 480  * Debug macros that are conditionally compiled
 481  */
 482 #ifdef ACPI_DEBUG_OUTPUT
 483
 484 #define ACPI_MODULE_NAME(name)               static char ACPI_UNUSED_VAR *_THIS_MODULE = name;
 485
 486 /*
 487  * Function entry tracing.
 488  * The first parameter should be the procedure name as a quoted string.  This is declared
 489  * as a local string ("_proc_name) so that it can be also used by the function exit macros below.
 490  */
 491 #define ACPI_FUNCTION_NAME(a)               struct acpi_debug_print_info _debug_info; \
 492                                                                                                 _debug_info.component_id = _COMPONENT; \
 493                                                                                                 _debug_info.proc_name  = a; \
 494                                                                                                 _debug_info.module_name = _THIS_MODULE;
 495
 496 #define ACPI_FUNCTION_TRACE(a)              ACPI_FUNCTION_NAME(a) \
 497                                                                                                 acpi_ut_trace(__LINE__,&_debug_info)
 498 #define ACPI_FUNCTION_TRACE_PTR(a,b)        ACPI_FUNCTION_NAME(a) \
 499                                                                                                 acpi_ut_trace_ptr(__LINE__,&_debug_info,(void *)b)
 500 #define ACPI_FUNCTION_TRACE_U32(a,b)        ACPI_FUNCTION_NAME(a) \
 501                                                                                                 acpi_ut_trace_u32(__LINE__,&_debug_info,(u32)b)
 502 #define ACPI_FUNCTION_TRACE_STR(a,b)        ACPI_FUNCTION_NAME(a) \
 503                                                                                                 acpi_ut_trace_str(__LINE__,&_debug_info,(char *)b)
 504
 505 #define ACPI_FUNCTION_ENTRY()               acpi_ut_track_stack_ptr()
 506
 507 /*
 508  * Function exit tracing.
 509  * WARNING: These macros include a return statement.  This is usually considered
 510  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
 511  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
 512  * so that "_proc_name" is defined.
 513  */
 514 #ifdef ACPI_USE_DO_WHILE_0
 515 #define ACPI_DO_WHILE0(a)               do a while(0)
 516 #else
 517 #define ACPI_DO_WHILE0(a)               a
 518 #endif
 519
 520 #define return_VOID                     ACPI_DO_WHILE0 ({acpi_ut_exit(__LINE__,&_debug_info);return;})
 521 #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({acpi_ut_status_exit(__LINE__,&_debug_info,(s));return((s));})
 522 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({acpi_ut_value_exit(__LINE__,&_debug_info,(acpi_integer)(s));return((s));})
 523 #define return_PTR(s)                   ACPI_DO_WHILE0 ({acpi_ut_ptr_exit(__LINE__,&_debug_info,(u8 *)(s));return((s));})
 524
 525 /* Conditional execution */
 526
 527 #define ACPI_DEBUG_EXEC(a)              a
 528 #define ACPI_NORMAL_EXEC(a)
 529
 530 #define ACPI_DEBUG_DEFINE(a)            a;
 531 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
 532 #define _VERBOSE_STRUCTURES
 533
 534
 535 /* Stack and buffer dumping */
 536
 537 #define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a),0)
 538 #define ACPI_DUMP_OPERANDS(a,b,c,d,e)   acpi_ex_dump_operands(a,b,c,d,e,_THIS_MODULE,__LINE__)
 539
 540
 541 #define ACPI_DUMP_ENTRY(a,b)            acpi_ns_dump_entry (a,b)
 542 #define ACPI_DUMP_PATHNAME(a,b,c,d)     acpi_ns_dump_pathname(a,b,c,d)
 543 #define ACPI_DUMP_RESOURCE_LIST(a)      acpi_rs_dump_resource_list(a)
 544 #define ACPI_DUMP_BUFFER(a,b)           acpi_ut_dump_buffer((u8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
 545 #define ACPI_BREAK_MSG(a)               acpi_os_signal (ACPI_SIGNAL_BREAKPOINT,(a))
 546
 547
 548 /*
 549  * Generate INT3 on ACPI_ERROR (Debug only!)
 550  */
 551 #define ACPI_ERROR_BREAK
 552 #ifdef  ACPI_ERROR_BREAK
 553 #define ACPI_BREAK_ON_ERROR(lvl)        if ((lvl)&ACPI_ERROR) \
 554                                                                                         acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,"Fatal error encountered\n")
 555 #else
 556 #define ACPI_BREAK_ON_ERROR(lvl)
 557 #endif
 558
 559 /*
 560  * Master debug print macros
 561  * Print iff:
 562  *    1) Debug print for the current component is enabled
 563  *    2) Debug error level or trace level for the print statement is enabled
 564  */
 565 #define ACPI_DEBUG_PRINT(pl)            acpi_ut_debug_print ACPI_PARAM_LIST(pl)
 566 #define ACPI_DEBUG_PRINT_RAW(pl)        acpi_ut_debug_print_raw ACPI_PARAM_LIST(pl)
 567
 568
 569 #else
 570 /*
 571  * This is the non-debug case -- make everything go away,
 572  * leaving no executable debug code!
 573  */
 574 #define ACPI_MODULE_NAME(name)
 575 #define _THIS_MODULE ""
 576
 577 #define ACPI_DEBUG_EXEC(a)
 578 #define ACPI_NORMAL_EXEC(a)             a;
 579
 580 #define ACPI_DEBUG_DEFINE(a)
 581 #define ACPI_DEBUG_ONLY_MEMBERS(a)
 582 #define ACPI_FUNCTION_NAME(a)
 583 #define ACPI_FUNCTION_TRACE(a)
 584 #define ACPI_FUNCTION_TRACE_PTR(a,b)
 585 #define ACPI_FUNCTION_TRACE_U32(a,b)
 586 #define ACPI_FUNCTION_TRACE_STR(a,b)
 587 #define ACPI_FUNCTION_EXIT
 588 #define ACPI_FUNCTION_STATUS_EXIT(s)
 589 #define ACPI_FUNCTION_VALUE_EXIT(s)
 590 #define ACPI_FUNCTION_ENTRY()
 591 #define ACPI_DUMP_STACK_ENTRY(a)
 592 #define ACPI_DUMP_OPERANDS(a,b,c,d,e)
 593 #define ACPI_DUMP_ENTRY(a,b)
 594 #define ACPI_DUMP_PATHNAME(a,b,c,d)
 595 #define ACPI_DUMP_RESOURCE_LIST(a)
 596 #define ACPI_DUMP_BUFFER(a,b)
 597 #define ACPI_DEBUG_PRINT(pl)
 598 #define ACPI_DEBUG_PRINT_RAW(pl)
 599 #define ACPI_BREAK_MSG(a)
 600
 601 #define return_VOID                     return
 602 #define return_ACPI_STATUS(s)           return(s)
 603 #define return_VALUE(s)                 return(s)
 604 #define return_PTR(s)                   return(s)
 605
 606 #endif
 607
 608 /*
 609  * Some code only gets executed when the debugger is built in.
 610  * Note that this is entirely independent of whether the
 611  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
 612  */
 613 #ifdef ACPI_DEBUGGER
 614 #define ACPI_DEBUGGER_EXEC(a)           a
 615 #else
 616 #define ACPI_DEBUGGER_EXEC(a)
 617 #endif
 618
 619
 620 /*
 621  * For 16-bit code, we want to shrink some things even though
 622  * we are using ACPI_DEBUG_OUTPUT to get the debug output
 623  */
 624 #if ACPI_MACHINE_WIDTH == 16
 625 #undef ACPI_DEBUG_ONLY_MEMBERS
 626 #undef _VERBOSE_STRUCTURES
 627 #define ACPI_DEBUG_ONLY_MEMBERS(a)
 628 #endif
 629
 630
 631 #ifdef ACPI_DEBUG_OUTPUT
 632 /*
 633  * 1) Set name to blanks
 634  * 2) Copy the object name
 635  */
 636 #define ACPI_ADD_OBJECT_NAME(a,b)       ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\
 637                                                                                 ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name))
 638 #else
 639
 640 #define ACPI_ADD_OBJECT_NAME(a,b)
 641 #endif
 642
 643
 644 /*
 645  * Memory allocation tracking (DEBUG ONLY)
 646  */
 647 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
 648
 649 /* Memory allocation */
 650
 651 #define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_THIS_MODULE,__LINE__)
 652 #define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate((acpi_size)(a), _COMPONENT,_THIS_MODULE,__LINE__)
 653 #define ACPI_MEM_FREE(a)                acpi_os_free(a)
 654 #define ACPI_MEM_TRACKING(a)
 655
 656
 657 #else
 658
 659 /* Memory allocation */
 660
 661 #define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_THIS_MODULE,__LINE__)
 662 #define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate_and_track((acpi_size)(a), _COMPONENT,_THIS_MODULE,__LINE__)
 663 #define ACPI_MEM_FREE(a)                acpi_ut_free_and_track(a,_COMPONENT,_THIS_MODULE,__LINE__)
 664 #define ACPI_MEM_TRACKING(a)            a
 665
 666 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
 667
 668 #endif /* ACMACROS_H */