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 - 2009, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 #ifndef __ACMACROS_H__ 117 #define __ACMACROS_H__ 118 119 120 /* 121 * Extract data using a pointer. Any more than a byte and we 122 * get into potential aligment issues -- see the STORE macros below. 123 * Use with care. 124 */ 125 #define ACPI_GET8(ptr) *ACPI_CAST_PTR (UINT8, ptr) 126 #define ACPI_GET16(ptr) *ACPI_CAST_PTR (UINT16, ptr) 127 #define ACPI_GET32(ptr) *ACPI_CAST_PTR (UINT32, ptr) 128 #define ACPI_GET64(ptr) *ACPI_CAST_PTR (UINT64, ptr) 129 #define ACPI_SET8(ptr) *ACPI_CAST_PTR (UINT8, ptr) 130 #define ACPI_SET16(ptr) *ACPI_CAST_PTR (UINT16, ptr) 131 #define ACPI_SET32(ptr) *ACPI_CAST_PTR (UINT32, ptr) 132 #define ACPI_SET64(ptr) *ACPI_CAST_PTR (UINT64, ptr) 133 134 /* 135 * printf() format helpers 136 */ 137 138 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */ 139 140 #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i) 141 142 #if ACPI_MACHINE_WIDTH == 64 143 #define ACPI_FORMAT_NATIVE_UINT(i) ACPI_FORMAT_UINT64(i) 144 #else 145 #define ACPI_FORMAT_NATIVE_UINT(i) 0, (i) 146 #endif 147 148 149 /* 150 * Macros for moving data around to/from buffers that are possibly unaligned. 151 * If the hardware supports the transfer of unaligned data, just do the store. 152 * Otherwise, we have to move one byte at a time. 153 */ 154 #ifdef ACPI_BIG_ENDIAN 155 /* 156 * Macros for big-endian machines 157 */ 158 159 /* These macros reverse the bytes during the move, converting little-endian to big endian */ 160 161 /* Big Endian <== Little Endian */ 162 /* Hi...Lo Lo...Hi */ 163 /* 16-bit source, 16/32/64 destination */ 164 165 #define ACPI_MOVE_16_TO_16(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\ 166 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];} 167 168 #define ACPI_MOVE_16_TO_32(d, s) {(*(UINT32 *)(void *)(d))=0;\ 169 ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\ 170 ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];} 171 172 #define ACPI_MOVE_16_TO_64(d, s) {(*(UINT64 *)(void *)(d))=0;\ 173 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\ 174 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];} 175 176 /* 32-bit source, 16/32/64 destination */ 177 178 #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 179 180 #define ACPI_MOVE_32_TO_32(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\ 181 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\ 182 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\ 183 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];} 184 185 #define ACPI_MOVE_32_TO_64(d, s) {(*(UINT64 *)(void *)(d))=0;\ 186 ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\ 187 ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\ 188 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\ 189 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];} 190 191 /* 64-bit source, 16/32/64 destination */ 192 193 #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 194 195 #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 196 197 #define ACPI_MOVE_64_TO_64(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\ 198 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\ 199 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\ 200 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\ 201 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\ 202 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\ 203 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\ 204 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];} 205 #else 206 /* 207 * Macros for little-endian machines 208 */ 209 210 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED 211 212 /* The hardware supports unaligned transfers, just do the little-endian move */ 213 214 /* 16-bit source, 16/32/64 destination */ 215 216 #define ACPI_MOVE_16_TO_16(d, s) *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s) 217 #define ACPI_MOVE_16_TO_32(d, s) *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s) 218 #define ACPI_MOVE_16_TO_64(d, s) *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s) 219 220 /* 32-bit source, 16/32/64 destination */ 221 222 #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 223 #define ACPI_MOVE_32_TO_32(d, s) *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s) 224 #define ACPI_MOVE_32_TO_64(d, s) *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s) 225 226 /* 64-bit source, 16/32/64 destination */ 227 228 #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 229 #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 230 #define ACPI_MOVE_64_TO_64(d, s) *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s) 231 232 #else 233 /* 234 * The hardware does not support unaligned transfers. We must move the 235 * data one byte at a time. These macros work whether the source or 236 * the destination (or both) is/are unaligned. (Little-endian move) 237 */ 238 239 /* 16-bit source, 16/32/64 destination */ 240 241 #define ACPI_MOVE_16_TO_16(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\ 242 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];} 243 244 #define ACPI_MOVE_16_TO_32(d, s) {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} 245 #define ACPI_MOVE_16_TO_64(d, s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} 246 247 /* 32-bit source, 16/32/64 destination */ 248 249 #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 250 251 #define ACPI_MOVE_32_TO_32(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\ 252 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\ 253 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\ 254 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];} 255 256 #define ACPI_MOVE_32_TO_64(d, s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);} 257 258 /* 64-bit source, 16/32/64 destination */ 259 260 #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 261 #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 262 #define ACPI_MOVE_64_TO_64(d, s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\ 263 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\ 264 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\ 265 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\ 266 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\ 267 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\ 268 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\ 269 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];} 270 #endif 271 #endif 272 273 274 /* 275 * Fast power-of-two math macros for non-optimized compilers 276 */ 277 #define _ACPI_DIV(value, PowerOf2) ((UINT32) ((value) >> (PowerOf2))) 278 #define _ACPI_MUL(value, PowerOf2) ((UINT32) ((value) << (PowerOf2))) 279 #define _ACPI_MOD(value, Divisor) ((UINT32) ((value) & ((Divisor) -1))) 280 281 #define ACPI_DIV_2(a) _ACPI_DIV(a, 1) 282 #define ACPI_MUL_2(a) _ACPI_MUL(a, 1) 283 #define ACPI_MOD_2(a) _ACPI_MOD(a, 2) 284 285 #define ACPI_DIV_4(a) _ACPI_DIV(a, 2) 286 #define ACPI_MUL_4(a) _ACPI_MUL(a, 2) 287 #define ACPI_MOD_4(a) _ACPI_MOD(a, 4) 288 289 #define ACPI_DIV_8(a) _ACPI_DIV(a, 3) 290 #define ACPI_MUL_8(a) _ACPI_MUL(a, 3) 291 #define ACPI_MOD_8(a) _ACPI_MOD(a, 8) 292 293 #define ACPI_DIV_16(a) _ACPI_DIV(a, 4) 294 #define ACPI_MUL_16(a) _ACPI_MUL(a, 4) 295 #define ACPI_MOD_16(a) _ACPI_MOD(a, 16) 296 297 #define ACPI_DIV_32(a) _ACPI_DIV(a, 5) 298 #define ACPI_MUL_32(a) _ACPI_MUL(a, 5) 299 #define ACPI_MOD_32(a) _ACPI_MOD(a, 32) 300 301 /* 302 * Rounding macros (Power of two boundaries only) 303 */ 304 #define ACPI_ROUND_DOWN(value, boundary) (((ACPI_SIZE)(value)) & \ 305 (~(((ACPI_SIZE) boundary)-1))) 306 307 #define ACPI_ROUND_UP(value, boundary) ((((ACPI_SIZE)(value)) + \ 308 (((ACPI_SIZE) boundary)-1)) & \ 309 (~(((ACPI_SIZE) boundary)-1))) 310 311 /* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */ 312 313 #define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4) 314 #define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8) 315 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE)) 316 317 #define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4) 318 #define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8) 319 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(ACPI_SIZE)) 320 321 #define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7) 322 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a)) 323 324 #define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10) 325 326 /* Generic (non-power-of-two) rounding */ 327 328 #define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary)) 329 330 #define ACPI_IS_MISALIGNED(value) (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1)) 331 332 /* 333 * Bitmask creation 334 * Bit positions start at zero. 335 * MASK_BITS_ABOVE creates a mask starting AT the position and above 336 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position 337 */ 338 #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_INTEGER_MAX) << ((UINT32) (position)))) 339 #define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((UINT32) (position))) 340 341 /* Bitfields within ACPI registers */ 342 343 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) ((Val << Pos) & Mask) 344 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) 345 346 #define ACPI_INSERT_BITS(Target, Mask, Source) Target = ((Target & (~(Mask))) | (Source & Mask)) 347 348 /* 349 * An ACPI_NAMESPACE_NODE can appear in some contexts 350 * where a pointer to an ACPI_OPERAND_OBJECT can also 351 * appear. This macro is used to distinguish them. 352 * 353 * The "Descriptor" field is the first field in both structures. 354 */ 355 #define ACPI_GET_DESCRIPTOR_TYPE(d) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType) 356 #define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t) 357 358 /* 359 * Macros for the master AML opcode table 360 */ 361 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) 362 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \ 363 {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type} 364 #else 365 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \ 366 {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type} 367 #endif 368 369 #define ARG_TYPE_WIDTH 5 370 #define ARG_1(x) ((UINT32)(x)) 371 #define ARG_2(x) ((UINT32)(x) << (1 * ARG_TYPE_WIDTH)) 372 #define ARG_3(x) ((UINT32)(x) << (2 * ARG_TYPE_WIDTH)) 373 #define ARG_4(x) ((UINT32)(x) << (3 * ARG_TYPE_WIDTH)) 374 #define ARG_5(x) ((UINT32)(x) << (4 * ARG_TYPE_WIDTH)) 375 #define ARG_6(x) ((UINT32)(x) << (5 * ARG_TYPE_WIDTH)) 376 377 #define ARGI_LIST1(a) (ARG_1(a)) 378 #define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a)) 379 #define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a)) 380 #define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a)) 381 #define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a)) 382 #define ARGI_LIST6(a, b, c, d, e, f) (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a)) 383 384 #define ARGP_LIST1(a) (ARG_1(a)) 385 #define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b)) 386 #define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c)) 387 #define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)) 388 #define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)) 389 #define ARGP_LIST6(a, b, c, d, e, f) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f)) 390 391 #define GET_CURRENT_ARG_TYPE(List) (List & ((UINT32) 0x1F)) 392 #define INCREMENT_ARG_LIST(List) (List >>= ((UINT32) ARG_TYPE_WIDTH)) 393 394 /* 395 * Ascii error messages can be configured out 396 */ 397 #ifndef ACPI_NO_ERROR_MESSAGES 398 /* 399 * Error reporting. Callers module and line number are inserted by AE_INFO, 400 * the plist contains a set of parens to allow variable-length lists. 401 * These macros are used for both the debug and non-debug versions of the code. 402 */ 403 #define ACPI_ERROR_NAMESPACE(s, e) AcpiNsReportError (AE_INFO, s, e); 404 #define ACPI_ERROR_METHOD(s, n, p, e) AcpiNsReportMethodError (AE_INFO, s, n, p, e); 405 406 #else 407 408 /* No error messages */ 409 410 #define ACPI_ERROR_NAMESPACE(s, e) 411 #define ACPI_ERROR_METHOD(s, n, p, e) 412 413 #endif /* ACPI_NO_ERROR_MESSAGES */ 414 415 /* 416 * Debug macros that are conditionally compiled 417 */ 418 #ifdef ACPI_DEBUG_OUTPUT 419 /* 420 * Function entry tracing 421 */ 422 #define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \ 423 AcpiUtTrace(ACPI_DEBUG_PARAMETERS) 424 #define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \ 425 AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS, (void *)b) 426 #define ACPI_FUNCTION_TRACE_U32(a, b) ACPI_FUNCTION_NAME(a) \ 427 AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS, (UINT32)b) 428 #define ACPI_FUNCTION_TRACE_STR(a, b) ACPI_FUNCTION_NAME(a) \ 429 AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS, (char *)b) 430 431 #define ACPI_FUNCTION_ENTRY() AcpiUtTrackStackPtr() 432 433 /* 434 * Function exit tracing. 435 * WARNING: These macros include a return statement. This is usually considered 436 * bad form, but having a separate exit macro is very ugly and difficult to maintain. 437 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros 438 * so that "_AcpiFunctionName" is defined. 439 * 440 * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining 441 * about these constructs. 442 */ 443 #ifdef ACPI_USE_DO_WHILE_0 444 #define ACPI_DO_WHILE0(a) do a while(0) 445 #else 446 #define ACPI_DO_WHILE0(a) a 447 #endif 448 449 #define return_VOID ACPI_DO_WHILE0 ({ \ 450 AcpiUtExit (ACPI_DEBUG_PARAMETERS); \ 451 return;}) 452 /* 453 * There are two versions of most of the return macros. The default version is 454 * safer, since it avoids side-effects by guaranteeing that the argument will 455 * not be evaluated twice. 456 * 457 * A less-safe version of the macros is provided for optional use if the 458 * compiler uses excessive CPU stack (for example, this may happen in the 459 * debug case if code optimzation is disabled.) 460 */ 461 #ifndef ACPI_SIMPLE_RETURN_MACROS 462 463 #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \ 464 register ACPI_STATUS _s = (s); \ 465 AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \ 466 return (_s); }) 467 #define return_PTR(s) ACPI_DO_WHILE0 ({ \ 468 register void *_s = (void *) (s); \ 469 AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \ 470 return (_s); }) 471 #define return_VALUE(s) ACPI_DO_WHILE0 ({ \ 472 register ACPI_INTEGER _s = (s); \ 473 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \ 474 return (_s); }) 475 #define return_UINT8(s) ACPI_DO_WHILE0 ({ \ 476 register UINT8 _s = (UINT8) (s); \ 477 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \ 478 return (_s); }) 479 #define return_UINT32(s) ACPI_DO_WHILE0 ({ \ 480 register UINT32 _s = (UINT32) (s); \ 481 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \ 482 return (_s); }) 483 #else /* Use original less-safe macros */ 484 485 #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \ 486 AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \ 487 return((s)); }) 488 #define return_PTR(s) ACPI_DO_WHILE0 ({ \ 489 AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \ 490 return((s)); }) 491 #define return_VALUE(s) ACPI_DO_WHILE0 ({ \ 492 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) (s)); \ 493 return((s)); }) 494 #define return_UINT8(s) return_VALUE(s) 495 #define return_UINT32(s) return_VALUE(s) 496 497 #endif /* ACPI_SIMPLE_RETURN_MACROS */ 498 499 500 /* Conditional execution */ 501 502 #define ACPI_DEBUG_EXEC(a) a 503 #define ACPI_DEBUG_ONLY_MEMBERS(a) a; 504 #define _VERBOSE_STRUCTURES 505 506 507 /* Various object display routines for debug */ 508 509 #define ACPI_DUMP_STACK_ENTRY(a) AcpiExDumpOperand((a), 0) 510 #define ACPI_DUMP_OPERANDS(a, b ,c) AcpiExDumpOperands(a, b, c) 511 #define ACPI_DUMP_ENTRY(a, b) AcpiNsDumpEntry (a, b) 512 #define ACPI_DUMP_PATHNAME(a, b, c, d) AcpiNsDumpPathname(a, b, c, d) 513 #define ACPI_DUMP_BUFFER(a, b) AcpiUtDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) 514 515 #else 516 /* 517 * This is the non-debug case -- make everything go away, 518 * leaving no executable debug code! 519 */ 520 #define ACPI_DEBUG_EXEC(a) 521 #define ACPI_DEBUG_ONLY_MEMBERS(a) 522 #define ACPI_FUNCTION_TRACE(a) 523 #define ACPI_FUNCTION_TRACE_PTR(a, b) 524 #define ACPI_FUNCTION_TRACE_U32(a, b) 525 #define ACPI_FUNCTION_TRACE_STR(a, b) 526 #define ACPI_FUNCTION_EXIT 527 #define ACPI_FUNCTION_STATUS_EXIT(s) 528 #define ACPI_FUNCTION_VALUE_EXIT(s) 529 #define ACPI_FUNCTION_ENTRY() 530 #define ACPI_DUMP_STACK_ENTRY(a) 531 #define ACPI_DUMP_OPERANDS(a, b, c) 532 #define ACPI_DUMP_ENTRY(a, b) 533 #define ACPI_DUMP_TABLES(a, b) 534 #define ACPI_DUMP_PATHNAME(a, b, c, d) 535 #define ACPI_DUMP_BUFFER(a, b) 536 #define ACPI_DEBUG_PRINT(pl) 537 #define ACPI_DEBUG_PRINT_RAW(pl) 538 539 #define return_VOID return 540 #define return_ACPI_STATUS(s) return(s) 541 #define return_VALUE(s) return(s) 542 #define return_UINT8(s) return(s) 543 #define return_UINT32(s) return(s) 544 #define return_PTR(s) return(s) 545 546 #endif /* ACPI_DEBUG_OUTPUT */ 547 548 /* 549 * Some code only gets executed when the debugger is built in. 550 * Note that this is entirely independent of whether the 551 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not. 552 */ 553 #ifdef ACPI_DEBUGGER 554 #define ACPI_DEBUGGER_EXEC(a) a 555 #else 556 #define ACPI_DEBUGGER_EXEC(a) 557 #endif 558 559 560 /* 561 * Memory allocation tracking (DEBUG ONLY) 562 */ 563 #define ACPI_MEM_PARAMETERS _COMPONENT, _AcpiModuleName, __LINE__ 564 565 #ifndef ACPI_DBG_TRACK_ALLOCATIONS 566 567 /* Memory allocation */ 568 569 #define ACPI_ALLOCATE(a) AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS) 570 #define ACPI_ALLOCATE_ZEROED(a) AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS) 571 #define ACPI_FREE(a) AcpiOsFree(a) 572 #define ACPI_MEM_TRACKING(a) 573 574 #else 575 576 /* Memory allocation */ 577 578 #define ACPI_ALLOCATE(a) AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS) 579 #define ACPI_ALLOCATE_ZEROED(a) AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS) 580 #define ACPI_FREE(a) AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS) 581 #define ACPI_MEM_TRACKING(a) a 582 583 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ 584 585 586 /* 587 * Macros used for ACPICA utilities only 588 */ 589 590 /* Generate a UUID */ 591 592 #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ 593 (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \ 594 (b) & 0xFF, ((b) >> 8) & 0xFF, \ 595 (c) & 0xFF, ((c) >> 8) & 0xFF, \ 596 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) 597 598 #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7')) 599 600 601 #endif /* ACMACROS_H */ 602