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 - 2016, 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_CAST8(ptr) ACPI_CAST_PTR (UINT8, (ptr)) 126 #define ACPI_CAST16(ptr) ACPI_CAST_PTR (UINT16, (ptr)) 127 #define ACPI_CAST32(ptr) ACPI_CAST_PTR (UINT32, (ptr)) 128 #define ACPI_CAST64(ptr) ACPI_CAST_PTR (UINT64, (ptr)) 129 #define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr)) 130 #define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr)) 131 #define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr)) 132 #define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr)) 133 #define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (UINT8) (val)) 134 #define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (UINT16) (val)) 135 #define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (UINT32) (val)) 136 #define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (UINT64) (val)) 137 138 /* 139 * printf() format helper. This macros is a workaround for the difficulties 140 * with emitting 64-bit integers and 64-bit pointers with the same code 141 * for both 32-bit and 64-bit hosts. 142 */ 143 #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i) 144 145 146 /* 147 * Macros for moving data around to/from buffers that are possibly unaligned. 148 * If the hardware supports the transfer of unaligned data, just do the store. 149 * Otherwise, we have to move one byte at a time. 150 */ 151 #ifdef ACPI_BIG_ENDIAN 152 /* 153 * Macros for big-endian machines 154 */ 155 156 /* These macros reverse the bytes during the move, converting little-endian to big endian */ 157 158 /* Big Endian <== Little Endian */ 159 /* Hi...Lo Lo...Hi */ 160 /* 16-bit source, 16/32/64 destination */ 161 162 #define ACPI_MOVE_16_TO_16(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\ 163 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];} 164 165 #define ACPI_MOVE_16_TO_32(d, s) {(*(UINT32 *)(void *)(d))=0;\ 166 ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\ 167 ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];} 168 169 #define ACPI_MOVE_16_TO_64(d, s) {(*(UINT64 *)(void *)(d))=0;\ 170 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\ 171 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];} 172 173 /* 32-bit source, 16/32/64 destination */ 174 175 #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 176 177 #define ACPI_MOVE_32_TO_32(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\ 178 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\ 179 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\ 180 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];} 181 182 #define ACPI_MOVE_32_TO_64(d, s) {(*(UINT64 *)(void *)(d))=0;\ 183 ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\ 184 ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\ 185 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\ 186 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];} 187 188 /* 64-bit source, 16/32/64 destination */ 189 190 #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 191 192 #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 193 194 #define ACPI_MOVE_64_TO_64(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\ 195 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\ 196 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\ 197 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\ 198 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\ 199 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\ 200 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\ 201 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];} 202 #else 203 /* 204 * Macros for little-endian machines 205 */ 206 207 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED 208 209 /* The hardware supports unaligned transfers, just do the little-endian move */ 210 211 /* 16-bit source, 16/32/64 destination */ 212 213 #define ACPI_MOVE_16_TO_16(d, s) *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s) 214 #define ACPI_MOVE_16_TO_32(d, s) *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s) 215 #define ACPI_MOVE_16_TO_64(d, s) *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s) 216 217 /* 32-bit source, 16/32/64 destination */ 218 219 #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 220 #define ACPI_MOVE_32_TO_32(d, s) *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s) 221 #define ACPI_MOVE_32_TO_64(d, s) *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s) 222 223 /* 64-bit source, 16/32/64 destination */ 224 225 #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 226 #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 227 #define ACPI_MOVE_64_TO_64(d, s) *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s) 228 229 #else 230 /* 231 * The hardware does not support unaligned transfers. We must move the 232 * data one byte at a time. These macros work whether the source or 233 * the destination (or both) is/are unaligned. (Little-endian move) 234 */ 235 236 /* 16-bit source, 16/32/64 destination */ 237 238 #define ACPI_MOVE_16_TO_16(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\ 239 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];} 240 241 #define ACPI_MOVE_16_TO_32(d, s) {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} 242 #define ACPI_MOVE_16_TO_64(d, s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} 243 244 /* 32-bit source, 16/32/64 destination */ 245 246 #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 247 248 #define ACPI_MOVE_32_TO_32(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\ 249 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\ 250 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\ 251 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];} 252 253 #define ACPI_MOVE_32_TO_64(d, s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);} 254 255 /* 64-bit source, 16/32/64 destination */ 256 257 #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 258 #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 259 #define ACPI_MOVE_64_TO_64(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\ 260 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\ 261 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\ 262 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\ 263 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\ 264 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\ 265 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\ 266 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];} 267 #endif 268 #endif 269 270 271 /* 272 * Fast power-of-two math macros for non-optimized compilers 273 */ 274 #define _ACPI_DIV(value, PowerOf2) ((UINT32) ((value) >> (PowerOf2))) 275 #define _ACPI_MUL(value, PowerOf2) ((UINT32) ((value) << (PowerOf2))) 276 #define _ACPI_MOD(value, Divisor) ((UINT32) ((value) & ((Divisor) -1))) 277 278 #define ACPI_DIV_2(a) _ACPI_DIV(a, 1) 279 #define ACPI_MUL_2(a) _ACPI_MUL(a, 1) 280 #define ACPI_MOD_2(a) _ACPI_MOD(a, 2) 281 282 #define ACPI_DIV_4(a) _ACPI_DIV(a, 2) 283 #define ACPI_MUL_4(a) _ACPI_MUL(a, 2) 284 #define ACPI_MOD_4(a) _ACPI_MOD(a, 4) 285 286 #define ACPI_DIV_8(a) _ACPI_DIV(a, 3) 287 #define ACPI_MUL_8(a) _ACPI_MUL(a, 3) 288 #define ACPI_MOD_8(a) _ACPI_MOD(a, 8) 289 290 #define ACPI_DIV_16(a) _ACPI_DIV(a, 4) 291 #define ACPI_MUL_16(a) _ACPI_MUL(a, 4) 292 #define ACPI_MOD_16(a) _ACPI_MOD(a, 16) 293 294 #define ACPI_DIV_32(a) _ACPI_DIV(a, 5) 295 #define ACPI_MUL_32(a) _ACPI_MUL(a, 5) 296 #define ACPI_MOD_32(a) _ACPI_MOD(a, 32) 297 298 /* Test for ASCII character */ 299 300 #define ACPI_IS_ASCII(c) ((c) < 0x80) 301 302 /* Signed integers */ 303 304 #define ACPI_SIGN_POSITIVE 0 305 #define ACPI_SIGN_NEGATIVE 1 306 307 308 /* 309 * Rounding macros (Power of two boundaries only) 310 */ 311 #define ACPI_ROUND_DOWN(value, boundary) (((ACPI_SIZE)(value)) & \ 312 (~(((ACPI_SIZE) boundary)-1))) 313 314 #define ACPI_ROUND_UP(value, boundary) ((((ACPI_SIZE)(value)) + \ 315 (((ACPI_SIZE) boundary)-1)) & \ 316 (~(((ACPI_SIZE) boundary)-1))) 317 318 /* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */ 319 320 #define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4) 321 #define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8) 322 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE)) 323 324 #define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4) 325 #define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8) 326 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(ACPI_SIZE)) 327 328 #define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7) 329 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a)) 330 331 #define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10) 332 333 /* Generic (non-power-of-two) rounding */ 334 335 #define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary)) 336 337 #define ACPI_IS_MISALIGNED(value) (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1)) 338 339 /* 340 * Bitmask creation 341 * Bit positions start at zero. 342 * MASK_BITS_ABOVE creates a mask starting AT the position and above 343 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position 344 */ 345 #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((UINT32) (position)))) 346 #define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((UINT32) (position))) 347 348 /* Bitfields within ACPI registers */ 349 350 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) \ 351 ((Val << Pos) & Mask) 352 353 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) \ 354 Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) 355 356 #define ACPI_INSERT_BITS(Target, Mask, Source) \ 357 Target = ((Target & (~(Mask))) | (Source & Mask)) 358 359 /* Generic bitfield macros and masks */ 360 361 #define ACPI_GET_BITS(SourcePtr, Position, Mask) \ 362 ((*SourcePtr >> Position) & Mask) 363 364 #define ACPI_SET_BITS(TargetPtr, Position, Mask, Value) \ 365 (*TargetPtr |= ((Value & Mask) << Position)) 366 367 #define ACPI_1BIT_MASK 0x00000001 368 #define ACPI_2BIT_MASK 0x00000003 369 #define ACPI_3BIT_MASK 0x00000007 370 #define ACPI_4BIT_MASK 0x0000000F 371 #define ACPI_5BIT_MASK 0x0000001F 372 #define ACPI_6BIT_MASK 0x0000003F 373 #define ACPI_7BIT_MASK 0x0000007F 374 #define ACPI_8BIT_MASK 0x000000FF 375 #define ACPI_16BIT_MASK 0x0000FFFF 376 #define ACPI_24BIT_MASK 0x00FFFFFF 377 378 /* Macros to extract flag bits from position zero */ 379 380 #define ACPI_GET_1BIT_FLAG(Value) ((Value) & ACPI_1BIT_MASK) 381 #define ACPI_GET_2BIT_FLAG(Value) ((Value) & ACPI_2BIT_MASK) 382 #define ACPI_GET_3BIT_FLAG(Value) ((Value) & ACPI_3BIT_MASK) 383 #define ACPI_GET_4BIT_FLAG(Value) ((Value) & ACPI_4BIT_MASK) 384 385 /* Macros to extract flag bits from position one and above */ 386 387 #define ACPI_EXTRACT_1BIT_FLAG(Field, Position) (ACPI_GET_1BIT_FLAG ((Field) >> Position)) 388 #define ACPI_EXTRACT_2BIT_FLAG(Field, Position) (ACPI_GET_2BIT_FLAG ((Field) >> Position)) 389 #define ACPI_EXTRACT_3BIT_FLAG(Field, Position) (ACPI_GET_3BIT_FLAG ((Field) >> Position)) 390 #define ACPI_EXTRACT_4BIT_FLAG(Field, Position) (ACPI_GET_4BIT_FLAG ((Field) >> Position)) 391 392 /* ACPI Pathname helpers */ 393 394 #define ACPI_IS_ROOT_PREFIX(c) ((c) == (UINT8) 0x5C) /* Backslash */ 395 #define ACPI_IS_PARENT_PREFIX(c) ((c) == (UINT8) 0x5E) /* Carat */ 396 #define ACPI_IS_PATH_SEPARATOR(c) ((c) == (UINT8) 0x2E) /* Period (dot) */ 397 398 /* 399 * An object of type ACPI_NAMESPACE_NODE can appear in some contexts 400 * where a pointer to an object of type ACPI_OPERAND_OBJECT can also 401 * appear. This macro is used to distinguish them. 402 * 403 * The "DescriptorType" field is the second field in both structures. 404 */ 405 #define ACPI_GET_DESCRIPTOR_PTR(d) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.CommonPointer) 406 #define ACPI_SET_DESCRIPTOR_PTR(d, p) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.CommonPointer = (p)) 407 #define ACPI_GET_DESCRIPTOR_TYPE(d) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType) 408 #define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = (t)) 409 410 /* 411 * Macros for the master AML opcode table 412 */ 413 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) 414 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \ 415 {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type} 416 #else 417 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \ 418 {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type} 419 #endif 420 421 #define ARG_TYPE_WIDTH 5 422 #define ARG_1(x) ((UINT32)(x)) 423 #define ARG_2(x) ((UINT32)(x) << (1 * ARG_TYPE_WIDTH)) 424 #define ARG_3(x) ((UINT32)(x) << (2 * ARG_TYPE_WIDTH)) 425 #define ARG_4(x) ((UINT32)(x) << (3 * ARG_TYPE_WIDTH)) 426 #define ARG_5(x) ((UINT32)(x) << (4 * ARG_TYPE_WIDTH)) 427 #define ARG_6(x) ((UINT32)(x) << (5 * ARG_TYPE_WIDTH)) 428 429 #define ARGI_LIST1(a) (ARG_1(a)) 430 #define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a)) 431 #define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a)) 432 #define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a)) 433 #define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a)) 434 #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)) 435 436 #define ARGP_LIST1(a) (ARG_1(a)) 437 #define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b)) 438 #define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c)) 439 #define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)) 440 #define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)) 441 #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)) 442 443 #define GET_CURRENT_ARG_TYPE(List) (List & ((UINT32) 0x1F)) 444 #define INCREMENT_ARG_LIST(List) (List >>= ((UINT32) ARG_TYPE_WIDTH)) 445 446 /* 447 * Ascii error messages can be configured out 448 */ 449 #ifndef ACPI_NO_ERROR_MESSAGES 450 /* 451 * Error reporting. Callers module and line number are inserted by AE_INFO, 452 * the plist contains a set of parens to allow variable-length lists. 453 * These macros are used for both the debug and non-debug versions of the code. 454 */ 455 #define ACPI_ERROR_NAMESPACE(s, e) AcpiUtNamespaceError (AE_INFO, s, e); 456 #define ACPI_ERROR_METHOD(s, n, p, e) AcpiUtMethodError (AE_INFO, s, n, p, e); 457 #define ACPI_WARN_PREDEFINED(plist) AcpiUtPredefinedWarning plist 458 #define ACPI_INFO_PREDEFINED(plist) AcpiUtPredefinedInfo plist 459 #define ACPI_BIOS_ERROR_PREDEFINED(plist) AcpiUtPredefinedBiosError plist 460 461 #else 462 463 /* No error messages */ 464 465 #define ACPI_ERROR_NAMESPACE(s, e) 466 #define ACPI_ERROR_METHOD(s, n, p, e) 467 #define ACPI_WARN_PREDEFINED(plist) 468 #define ACPI_INFO_PREDEFINED(plist) 469 #define ACPI_BIOS_ERROR_PREDEFINED(plist) 470 471 #endif /* ACPI_NO_ERROR_MESSAGES */ 472 473 #if (!ACPI_REDUCED_HARDWARE) 474 #define ACPI_HW_OPTIONAL_FUNCTION(addr) addr 475 #else 476 #define ACPI_HW_OPTIONAL_FUNCTION(addr) NULL 477 #endif 478 479 480 /* 481 * Macros used for ACPICA utilities only 482 */ 483 484 /* Generate a UUID */ 485 486 #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ 487 (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \ 488 (b) & 0xFF, ((b) >> 8) & 0xFF, \ 489 (c) & 0xFF, ((c) >> 8) & 0xFF, \ 490 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) 491 492 #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7')) 493 494 495 #endif /* ACMACROS_H */ 496