1/****************************************************************************** 2 * 3 * Name: acmacros.h - C macros for the entire subsystem. 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2010, 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_GET8(ptr) *ACPI_CAST_PTR (u8, ptr) 53#define ACPI_GET16(ptr) *ACPI_CAST_PTR (u16, ptr) 54#define ACPI_GET32(ptr) *ACPI_CAST_PTR (u32, ptr) 55#define ACPI_GET64(ptr) *ACPI_CAST_PTR (u64, ptr) 56#define ACPI_SET8(ptr) *ACPI_CAST_PTR (u8, ptr) 57#define ACPI_SET16(ptr) *ACPI_CAST_PTR (u16, ptr) 58#define ACPI_SET32(ptr) *ACPI_CAST_PTR (u32, ptr) 59#define ACPI_SET64(ptr) *ACPI_CAST_PTR (u64, ptr) 60 61/* 62 * printf() format helpers 63 */ 64 65/* Split 64-bit integer into two 32-bit values. Use with %8.8_x%8.8_x */ 66 67#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i) 68 69#if ACPI_MACHINE_WIDTH == 64 70#define ACPI_FORMAT_NATIVE_UINT(i) ACPI_FORMAT_UINT64(i) 71#else 72#define ACPI_FORMAT_NATIVE_UINT(i) 0, (i) 73#endif 74 75/* 76 * Macros for moving data around to/from buffers that are possibly unaligned. 77 * If the hardware supports the transfer of unaligned data, just do the store. 78 * Otherwise, we have to move one byte at a time. 79 */ 80#ifdef ACPI_BIG_ENDIAN 81/* 82 * Macros for big-endian machines 83 */ 84 85/* These macros reverse the bytes during the move, converting little-endian to big endian */ 86 87 /* Big Endian <== Little Endian */ 88 /* Hi...Lo Lo...Hi */ 89/* 16-bit source, 16/32/64 destination */ 90 91#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\ 92 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];} 93 94#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\ 95 ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ 96 ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} 97 98#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\ 99 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ 100 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} 101 102/* 32-bit source, 16/32/64 destination */ 103 104#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 105 106#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\ 107 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\ 108 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ 109 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} 110 111#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\ 112 ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ 113 ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\ 114 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ 115 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} 116 117/* 64-bit source, 16/32/64 destination */ 118 119#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 120 121#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 122 123#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\ 124 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\ 125 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\ 126 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\ 127 (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ 128 (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\ 129 (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ 130 (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} 131#else 132/* 133 * Macros for little-endian machines 134 */ 135 136#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED 137 138/* The hardware supports unaligned transfers, just do the little-endian move */ 139 140/* 16-bit source, 16/32/64 destination */ 141 142#define ACPI_MOVE_16_TO_16(d, s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s) 143#define ACPI_MOVE_16_TO_32(d, s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s) 144#define ACPI_MOVE_16_TO_64(d, s) *(u64 *)(void *)(d) = *(u16 *)(void *)(s) 145 146/* 32-bit source, 16/32/64 destination */ 147 148#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 149#define ACPI_MOVE_32_TO_32(d, s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s) 150#define ACPI_MOVE_32_TO_64(d, s) *(u64 *)(void *)(d) = *(u32 *)(void *)(s) 151 152/* 64-bit source, 16/32/64 destination */ 153 154#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ 155#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 156#define ACPI_MOVE_64_TO_64(d, s) *(u64 *)(void *)(d) = *(u64 *)(void *)(s) 157 158#else 159/* 160 * The hardware does not support unaligned transfers. We must move the 161 * data one byte at a time. These macros work whether the source or 162 * the destination (or both) is/are unaligned. (Little-endian move) 163 */ 164 165/* 16-bit source, 16/32/64 destination */ 166 167#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ 168 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];} 169 170#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} 171#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} 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) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ 178 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\ 179 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\ 180 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];} 181 182#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);} 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#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ 188#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ 189 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\ 190 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\ 191 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\ 192 (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\ 193 (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\ 194 (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\ 195 (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];} 196#endif 197#endif 198 199/* Macros based on machine integer width */ 200 201#if ACPI_MACHINE_WIDTH == 32 202#define ACPI_MOVE_SIZE_TO_16(d, s) ACPI_MOVE_32_TO_16(d, s) 203 204#elif ACPI_MACHINE_WIDTH == 64 205#define ACPI_MOVE_SIZE_TO_16(d, s) ACPI_MOVE_64_TO_16(d, s) 206 207#else 208#error unknown ACPI_MACHINE_WIDTH 209#endif 210 211/* 212 * Fast power-of-two math macros for non-optimized compilers 213 */ 214#define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2))) 215#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2))) 216#define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1))) 217 218#define ACPI_DIV_2(a) _ACPI_DIV(a, 1) 219#define ACPI_MUL_2(a) _ACPI_MUL(a, 1) 220#define ACPI_MOD_2(a) _ACPI_MOD(a, 2) 221 222#define ACPI_DIV_4(a) _ACPI_DIV(a, 2) 223#define ACPI_MUL_4(a) _ACPI_MUL(a, 2) 224#define ACPI_MOD_4(a) _ACPI_MOD(a, 4) 225 226#define ACPI_DIV_8(a) _ACPI_DIV(a, 3) 227#define ACPI_MUL_8(a) _ACPI_MUL(a, 3) 228#define ACPI_MOD_8(a) _ACPI_MOD(a, 8) 229 230#define ACPI_DIV_16(a) _ACPI_DIV(a, 4) 231#define ACPI_MUL_16(a) _ACPI_MUL(a, 4) 232#define ACPI_MOD_16(a) _ACPI_MOD(a, 16) 233 234#define ACPI_DIV_32(a) _ACPI_DIV(a, 5) 235#define ACPI_MUL_32(a) _ACPI_MUL(a, 5) 236#define ACPI_MOD_32(a) _ACPI_MOD(a, 32) 237 238/* 239 * Rounding macros (Power of two boundaries only) 240 */ 241#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \ 242 (~(((acpi_size) boundary)-1))) 243 244#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \ 245 (((acpi_size) boundary)-1)) & \ 246 (~(((acpi_size) boundary)-1))) 247 248/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */ 249 250#define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4) 251#define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8) 252#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(acpi_size)) 253 254#define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4) 255#define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8) 256#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(acpi_size)) 257 258#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7) 259#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a)) 260 261#define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10) 262 263/* Generic (non-power-of-two) rounding */ 264 265#define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary)) 266 267#define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1)) 268 269/* 270 * Bitmask creation 271 * Bit positions start at zero. 272 * MASK_BITS_ABOVE creates a mask starting AT the position and above 273 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position 274 */ 275#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position)))) 276#define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position))) 277 278/* Bitfields within ACPI registers */ 279 280#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) ((val << pos) & mask) 281#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask) 282 283#define ACPI_INSERT_BITS(target, mask, source) target = ((target & (~(mask))) | (source & mask)) 284 285/* 286 * A struct acpi_namespace_node can appear in some contexts 287 * where a pointer to a union acpi_operand_object can also 288 * appear. This macro is used to distinguish them. 289 * 290 * The "Descriptor" field is the first field in both structures. 291 */ 292#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type) 293#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t) 294 295/* 296 * Macros for the master AML opcode table 297 */ 298#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) 299#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \ 300 {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type} 301#else 302#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \ 303 {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type} 304#endif 305 306#define ARG_TYPE_WIDTH 5 307#define ARG_1(x) ((u32)(x)) 308#define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH)) 309#define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH)) 310#define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH)) 311#define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH)) 312#define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH)) 313 314#define ARGI_LIST1(a) (ARG_1(a)) 315#define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a)) 316#define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a)) 317#define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a)) 318#define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a)) 319#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)) 320 321#define ARGP_LIST1(a) (ARG_1(a)) 322#define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b)) 323#define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c)) 324#define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)) 325#define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)) 326#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)) 327 328#define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F)) 329#define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH)) 330 331/* 332 * Ascii error messages can be configured out 333 */ 334#ifndef ACPI_NO_ERROR_MESSAGES 335 336/* 337 * Error reporting. Callers module and line number are inserted by AE_INFO, 338 * the plist contains a set of parens to allow variable-length lists. 339 * These macros are used for both the debug and non-debug versions of the code. 340 */ 341#define ACPI_ERROR_NAMESPACE(s, e) acpi_ns_report_error (AE_INFO, s, e); 342#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ns_report_method_error (AE_INFO, s, n, p, e); 343#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist 344#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist 345 346#else 347 348/* No error messages */ 349 350#define ACPI_ERROR_NAMESPACE(s, e) 351#define ACPI_ERROR_METHOD(s, n, p, e) 352#define ACPI_WARN_PREDEFINED(plist) 353#define ACPI_INFO_PREDEFINED(plist) 354 355#endif /* ACPI_NO_ERROR_MESSAGES */ 356 357/* 358 * Debug macros that are conditionally compiled 359 */ 360#ifdef ACPI_DEBUG_OUTPUT 361 362/* 363 * Function entry tracing 364 */ 365#ifdef CONFIG_ACPI_DEBUG_FUNC_TRACE 366 367#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \ 368 acpi_ut_trace(ACPI_DEBUG_PARAMETERS) 369#define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \ 370 acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS, (void *)b) 371#define ACPI_FUNCTION_TRACE_U32(a, b) ACPI_FUNCTION_NAME(a) \ 372 acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS, (u32)b) 373#define ACPI_FUNCTION_TRACE_STR(a, b) ACPI_FUNCTION_NAME(a) \ 374 acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS, (char *)b) 375 376#define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr() 377 378/* 379 * Function exit tracing. 380 * WARNING: These macros include a return statement. This is usually considered 381 * bad form, but having a separate exit macro is very ugly and difficult to maintain. 382 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros 383 * so that "_AcpiFunctionName" is defined. 384 * 385 * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining 386 * about these constructs. 387 */ 388#ifdef ACPI_USE_DO_WHILE_0 389#define ACPI_DO_WHILE0(a) do a while(0) 390#else 391#define ACPI_DO_WHILE0(a) a 392#endif 393 394#define return_VOID ACPI_DO_WHILE0 ({ \ 395 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \ 396 return;}) 397/* 398 * There are two versions of most of the return macros. The default version is 399 * safer, since it avoids side-effects by guaranteeing that the argument will 400 * not be evaluated twice. 401 * 402 * A less-safe version of the macros is provided for optional use if the 403 * compiler uses excessive CPU stack (for example, this may happen in the 404 * debug case if code optimzation is disabled.) 405 */ 406#ifndef ACPI_SIMPLE_RETURN_MACROS 407 408#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \ 409 register acpi_status _s = (s); \ 410 acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, _s); \ 411 return (_s); }) 412#define return_PTR(s) ACPI_DO_WHILE0 ({ \ 413 register void *_s = (void *) (s); \ 414 acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \ 415 return (_s); }) 416#define return_VALUE(s) ACPI_DO_WHILE0 ({ \ 417 register u64 _s = (s); \ 418 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \ 419 return (_s); }) 420#define return_UINT8(s) ACPI_DO_WHILE0 ({ \ 421 register u8 _s = (u8) (s); \ 422 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \ 423 return (_s); }) 424#define return_UINT32(s) ACPI_DO_WHILE0 ({ \ 425 register u32 _s = (u32) (s); \ 426 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \ 427 return (_s); }) 428#else /* Use original less-safe macros */ 429 430#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \ 431 acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, (s)); \ 432 return((s)); }) 433#define return_PTR(s) ACPI_DO_WHILE0 ({ \ 434 acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \ 435 return((s)); }) 436#define return_VALUE(s) ACPI_DO_WHILE0 ({ \ 437 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) (s)); \ 438 return((s)); }) 439#define return_UINT8(s) return_VALUE(s) 440#define return_UINT32(s) return_VALUE(s) 441 442#endif /* ACPI_SIMPLE_RETURN_MACROS */ 443 444#else /* !CONFIG_ACPI_DEBUG_FUNC_TRACE */ 445 446#define ACPI_FUNCTION_TRACE(a) 447#define ACPI_FUNCTION_TRACE_PTR(a,b) 448#define ACPI_FUNCTION_TRACE_U32(a,b) 449#define ACPI_FUNCTION_TRACE_STR(a,b) 450#define ACPI_FUNCTION_EXIT 451#define ACPI_FUNCTION_STATUS_EXIT(s) 452#define ACPI_FUNCTION_VALUE_EXIT(s) 453#define ACPI_FUNCTION_TRACE(a) 454#define ACPI_FUNCTION_ENTRY() 455 456#define return_VOID return 457#define return_ACPI_STATUS(s) return(s) 458#define return_VALUE(s) return(s) 459#define return_UINT8(s) return(s) 460#define return_UINT32(s) return(s) 461#define return_PTR(s) return(s) 462 463#endif /* CONFIG_ACPI_DEBUG_FUNC_TRACE */ 464 465/* Conditional execution */ 466 467#define ACPI_DEBUG_EXEC(a) a 468#define ACPI_NORMAL_EXEC(a) 469 470#define ACPI_DEBUG_DEFINE(a) a; 471#define ACPI_DEBUG_ONLY_MEMBERS(a) a; 472#define _VERBOSE_STRUCTURES 473 474/* Stack and buffer dumping */ 475 476#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0) 477#define ACPI_DUMP_OPERANDS(a, b, c) acpi_ex_dump_operands(a, b, c) 478 479#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b) 480#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d) 481#define ACPI_DUMP_RESOURCE_LIST(a) acpi_rs_dump_resource_list(a) 482#define ACPI_DUMP_BUFFER(a, b) acpi_ut_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) 483 484#else 485/* 486 * This is the non-debug case -- make everything go away, 487 * leaving no executable debug code! 488 */ 489#define ACPI_DEBUG_EXEC(a) 490#define ACPI_NORMAL_EXEC(a) a; 491 492#define ACPI_DEBUG_DEFINE(a) do { } while(0) 493#define ACPI_DEBUG_ONLY_MEMBERS(a) do { } while(0) 494#define ACPI_FUNCTION_TRACE(a) do { } while(0) 495#define ACPI_FUNCTION_TRACE_PTR(a, b) do { } while(0) 496#define ACPI_FUNCTION_TRACE_U32(a, b) do { } while(0) 497#define ACPI_FUNCTION_TRACE_STR(a, b) do { } while(0) 498#define ACPI_FUNCTION_EXIT do { } while(0) 499#define ACPI_FUNCTION_STATUS_EXIT(s) do { } while(0) 500#define ACPI_FUNCTION_VALUE_EXIT(s) do { } while(0) 501#define ACPI_FUNCTION_ENTRY() do { } while(0) 502#define ACPI_DUMP_STACK_ENTRY(a) do { } while(0) 503#define ACPI_DUMP_OPERANDS(a, b, c) do { } while(0) 504#define ACPI_DUMP_ENTRY(a, b) do { } while(0) 505#define ACPI_DUMP_TABLES(a, b) do { } while(0) 506#define ACPI_DUMP_PATHNAME(a, b, c, d) do { } while(0) 507#define ACPI_DUMP_RESOURCE_LIST(a) do { } while(0) 508#define ACPI_DUMP_BUFFER(a, b) do { } while(0) 509 510#define return_VOID return 511#define return_ACPI_STATUS(s) return(s) 512#define return_VALUE(s) return(s) 513#define return_UINT8(s) return(s) 514#define return_UINT32(s) return(s) 515#define return_PTR(s) return(s) 516 517#endif /* ACPI_DEBUG_OUTPUT */ 518 519/* 520 * Some code only gets executed when the debugger is built in. 521 * Note that this is entirely independent of whether the 522 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not. 523 */ 524#ifdef ACPI_DEBUGGER 525#define ACPI_DEBUGGER_EXEC(a) a 526#else 527#define ACPI_DEBUGGER_EXEC(a) 528#endif 529 530#ifdef ACPI_DEBUG_OUTPUT 531/* 532 * 1) Set name to blanks 533 * 2) Copy the object name 534 */ 535#define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\ 536 ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name)) 537#else 538 539#define ACPI_ADD_OBJECT_NAME(a,b) 540#endif 541 542/* 543 * Memory allocation tracking (DEBUG ONLY) 544 */ 545#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__ 546 547#ifndef ACPI_DBG_TRACK_ALLOCATIONS 548 549/* Memory allocation */ 550 551#ifndef ACPI_ALLOCATE 552#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a), ACPI_MEM_PARAMETERS) 553#endif 554#ifndef ACPI_ALLOCATE_ZEROED 555#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size)(a), ACPI_MEM_PARAMETERS) 556#endif 557#ifndef ACPI_FREE 558#define ACPI_FREE(a) acpio_os_free(a) 559#endif 560#define ACPI_MEM_TRACKING(a) 561 562#else 563 564/* Memory allocation */ 565 566#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS) 567#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS) 568#define ACPI_FREE(a) acpi_ut_free_and_track(a, ACPI_MEM_PARAMETERS) 569#define ACPI_MEM_TRACKING(a) a 570 571#endif /* ACPI_DBG_TRACK_ALLOCATIONS */ 572 573/* Preemption point */ 574#ifndef ACPI_PREEMPTION_POINT 575#define ACPI_PREEMPTION_POINT() /* no preemption */ 576#endif 577 578#endif /* ACMACROS_H */ 579