1/****************************************************************************** 2 * 3 * Name: acoutput.h -- debug output 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2014, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44#ifndef __ACOUTPUT_H__ 45#define __ACOUTPUT_H__ 46 47/* 48 * Debug levels and component IDs. These are used to control the 49 * granularity of the output of the ACPI_DEBUG_PRINT macro -- on a 50 * per-component basis and a per-exception-type basis. 51 */ 52 53/* Component IDs are used in the global "DebugLayer" */ 54 55#define ACPI_UTILITIES 0x00000001 56#define ACPI_HARDWARE 0x00000002 57#define ACPI_EVENTS 0x00000004 58#define ACPI_TABLES 0x00000008 59#define ACPI_NAMESPACE 0x00000010 60#define ACPI_PARSER 0x00000020 61#define ACPI_DISPATCHER 0x00000040 62#define ACPI_EXECUTER 0x00000080 63#define ACPI_RESOURCES 0x00000100 64#define ACPI_CA_DEBUGGER 0x00000200 65#define ACPI_OS_SERVICES 0x00000400 66#define ACPI_CA_DISASSEMBLER 0x00000800 67 68/* Component IDs for ACPI tools and utilities */ 69 70#define ACPI_COMPILER 0x00001000 71#define ACPI_TOOLS 0x00002000 72#define ACPI_EXAMPLE 0x00004000 73#define ACPI_DRIVER 0x00008000 74#define DT_COMPILER 0x00010000 75#define ASL_PREPROCESSOR 0x00020000 76 77#define ACPI_ALL_COMPONENTS 0x0001FFFF 78#define ACPI_COMPONENT_DEFAULT (ACPI_ALL_COMPONENTS) 79 80/* Component IDs reserved for ACPI drivers */ 81 82#define ACPI_ALL_DRIVERS 0xFFFF0000 83 84/* 85 * Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros 86 */ 87#define ACPI_LV_INIT 0x00000001 88#define ACPI_LV_DEBUG_OBJECT 0x00000002 89#define ACPI_LV_INFO 0x00000004 90#define ACPI_LV_REPAIR 0x00000008 91#define ACPI_LV_ALL_EXCEPTIONS 0x0000000F 92 93/* Trace verbosity level 1 [Standard Trace Level] */ 94 95#define ACPI_LV_INIT_NAMES 0x00000020 96#define ACPI_LV_PARSE 0x00000040 97#define ACPI_LV_LOAD 0x00000080 98#define ACPI_LV_DISPATCH 0x00000100 99#define ACPI_LV_EXEC 0x00000200 100#define ACPI_LV_NAMES 0x00000400 101#define ACPI_LV_OPREGION 0x00000800 102#define ACPI_LV_BFIELD 0x00001000 103#define ACPI_LV_TABLES 0x00002000 104#define ACPI_LV_VALUES 0x00004000 105#define ACPI_LV_OBJECTS 0x00008000 106#define ACPI_LV_RESOURCES 0x00010000 107#define ACPI_LV_USER_REQUESTS 0x00020000 108#define ACPI_LV_PACKAGE 0x00040000 109#define ACPI_LV_VERBOSITY1 0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS 110 111/* Trace verbosity level 2 [Function tracing and memory allocation] */ 112 113#define ACPI_LV_ALLOCATIONS 0x00100000 114#define ACPI_LV_FUNCTIONS 0x00200000 115#define ACPI_LV_OPTIMIZATIONS 0x00400000 116#define ACPI_LV_VERBOSITY2 0x00700000 | ACPI_LV_VERBOSITY1 117#define ACPI_LV_ALL ACPI_LV_VERBOSITY2 118 119/* Trace verbosity level 3 [Threading, I/O, and Interrupts] */ 120 121#define ACPI_LV_MUTEX 0x01000000 122#define ACPI_LV_THREADS 0x02000000 123#define ACPI_LV_IO 0x04000000 124#define ACPI_LV_INTERRUPTS 0x08000000 125#define ACPI_LV_VERBOSITY3 0x0F000000 | ACPI_LV_VERBOSITY2 126 127/* Exceptionally verbose output -- also used in the global "DebugLevel" */ 128 129#define ACPI_LV_AML_DISASSEMBLE 0x10000000 130#define ACPI_LV_VERBOSE_INFO 0x20000000 131#define ACPI_LV_FULL_TABLES 0x40000000 132#define ACPI_LV_EVENTS 0x80000000 133#define ACPI_LV_VERBOSE 0xF0000000 134 135/* 136 * Debug level macros that are used in the DEBUG_PRINT macros 137 */ 138#define ACPI_DEBUG_LEVEL(dl) (u32) dl,ACPI_DEBUG_PARAMETERS 139 140/* 141 * Exception level -- used in the global "DebugLevel" 142 * 143 * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces. 144 * For warnings, use ACPI_WARNING. 145 */ 146#define ACPI_DB_INIT ACPI_DEBUG_LEVEL (ACPI_LV_INIT) 147#define ACPI_DB_DEBUG_OBJECT ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT) 148#define ACPI_DB_INFO ACPI_DEBUG_LEVEL (ACPI_LV_INFO) 149#define ACPI_DB_REPAIR ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR) 150#define ACPI_DB_ALL_EXCEPTIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS) 151 152/* Trace level -- also used in the global "DebugLevel" */ 153 154#define ACPI_DB_INIT_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES) 155#define ACPI_DB_THREADS ACPI_DEBUG_LEVEL (ACPI_LV_THREADS) 156#define ACPI_DB_PARSE ACPI_DEBUG_LEVEL (ACPI_LV_PARSE) 157#define ACPI_DB_DISPATCH ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH) 158#define ACPI_DB_LOAD ACPI_DEBUG_LEVEL (ACPI_LV_LOAD) 159#define ACPI_DB_EXEC ACPI_DEBUG_LEVEL (ACPI_LV_EXEC) 160#define ACPI_DB_NAMES ACPI_DEBUG_LEVEL (ACPI_LV_NAMES) 161#define ACPI_DB_OPREGION ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION) 162#define ACPI_DB_BFIELD ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD) 163#define ACPI_DB_TABLES ACPI_DEBUG_LEVEL (ACPI_LV_TABLES) 164#define ACPI_DB_FUNCTIONS ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS) 165#define ACPI_DB_OPTIMIZATIONS ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS) 166#define ACPI_DB_VALUES ACPI_DEBUG_LEVEL (ACPI_LV_VALUES) 167#define ACPI_DB_OBJECTS ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS) 168#define ACPI_DB_ALLOCATIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS) 169#define ACPI_DB_RESOURCES ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES) 170#define ACPI_DB_IO ACPI_DEBUG_LEVEL (ACPI_LV_IO) 171#define ACPI_DB_INTERRUPTS ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS) 172#define ACPI_DB_USER_REQUESTS ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS) 173#define ACPI_DB_PACKAGE ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE) 174#define ACPI_DB_MUTEX ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX) 175#define ACPI_DB_EVENTS ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS) 176 177#define ACPI_DB_ALL ACPI_DEBUG_LEVEL (ACPI_LV_ALL) 178 179/* Defaults for debug_level, debug and normal */ 180 181#define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR) 182#define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR) 183#define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL) 184 185#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES) 186/* 187 * The module name is used primarily for error and debug messages. 188 * The __FILE__ macro is not very useful for this, because it 189 * usually includes the entire pathname to the module making the 190 * debug output difficult to read. 191 */ 192#define ACPI_MODULE_NAME(name) static const char ACPI_UNUSED_VAR _acpi_module_name[] = name; 193#else 194/* 195 * For the no-debug and no-error-msg cases, we must at least define 196 * a null module name. 197 */ 198#define ACPI_MODULE_NAME(name) 199#define _acpi_module_name "" 200#endif 201 202/* 203 * Ascii error messages can be configured out 204 */ 205#ifndef ACPI_NO_ERROR_MESSAGES 206#define AE_INFO _acpi_module_name, __LINE__ 207 208/* 209 * Error reporting. Callers module and line number are inserted by AE_INFO, 210 * the plist contains a set of parens to allow variable-length lists. 211 * These macros are used for both the debug and non-debug versions of the code. 212 */ 213#define ACPI_INFO(plist) acpi_info plist 214#define ACPI_WARNING(plist) acpi_warning plist 215#define ACPI_EXCEPTION(plist) acpi_exception plist 216#define ACPI_ERROR(plist) acpi_error plist 217#define ACPI_BIOS_WARNING(plist) acpi_bios_warning plist 218#define ACPI_BIOS_ERROR(plist) acpi_bios_error plist 219#define ACPI_DEBUG_OBJECT(obj,l,i) acpi_ex_do_debug_object(obj,l,i) 220 221#else 222 223/* No error messages */ 224 225#define ACPI_INFO(plist) 226#define ACPI_WARNING(plist) 227#define ACPI_EXCEPTION(plist) 228#define ACPI_ERROR(plist) 229#define ACPI_BIOS_WARNING(plist) 230#define ACPI_BIOS_ERROR(plist) 231#define ACPI_DEBUG_OBJECT(obj,l,i) 232 233#endif /* ACPI_NO_ERROR_MESSAGES */ 234 235/* 236 * Debug macros that are conditionally compiled 237 */ 238#ifdef ACPI_DEBUG_OUTPUT 239 240/* 241 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header, 242 * define it now. This is the case where there the compiler does not support 243 * a __FUNCTION__ macro or equivalent. 244 */ 245#ifndef ACPI_GET_FUNCTION_NAME 246#define ACPI_GET_FUNCTION_NAME _acpi_function_name 247 248/* 249 * The Name parameter should be the procedure name as a quoted string. 250 * The function name is also used by the function exit macros below. 251 * Note: (const char) is used to be compatible with the debug interfaces 252 * and macros such as __FUNCTION__. 253 */ 254#define ACPI_FUNCTION_NAME(name) static const char _acpi_function_name[] = #name; 255 256#else 257/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */ 258 259#define ACPI_FUNCTION_NAME(name) 260#endif /* ACPI_GET_FUNCTION_NAME */ 261 262/* 263 * Common parameters used for debug output functions: 264 * line number, function name, module(file) name, component ID 265 */ 266#define ACPI_DEBUG_PARAMETERS \ 267 __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT 268 269/* Check if debug output is currently dynamically enabled */ 270 271#define ACPI_IS_DEBUG_ENABLED(level, component) \ 272 ((level & acpi_dbg_level) && (component & acpi_dbg_layer)) 273 274/* 275 * Master debug print macros 276 * Print message if and only if: 277 * 1) Debug print for the current component is enabled 278 * 2) Debug error level or trace level for the print statement is enabled 279 * 280 * November 2012: Moved the runtime check for whether to actually emit the 281 * debug message outside of the print function itself. This improves overall 282 * performance at a relatively small code cost. Implementation involves the 283 * use of variadic macros supported by C99. 284 * 285 * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from 286 * complaining about these constructs. On other compilers the do...while 287 * adds some extra code, so this feature is optional. 288 */ 289#ifdef ACPI_USE_DO_WHILE_0 290#define ACPI_DO_WHILE0(a) do a while(0) 291#else 292#define ACPI_DO_WHILE0(a) a 293#endif 294 295/* DEBUG_PRINT functions */ 296 297#define ACPI_DEBUG_PRINT(plist) ACPI_ACTUAL_DEBUG plist 298#define ACPI_DEBUG_PRINT_RAW(plist) ACPI_ACTUAL_DEBUG_RAW plist 299 300/* Helper macros for DEBUG_PRINT */ 301 302#define ACPI_DO_DEBUG_PRINT(function, level, line, filename, modulename, component, ...) \ 303 ACPI_DO_WHILE0 ({ \ 304 if (ACPI_IS_DEBUG_ENABLED (level, component)) \ 305 { \ 306 function (level, line, filename, modulename, component, __VA_ARGS__); \ 307 } \ 308 }) 309 310#define ACPI_ACTUAL_DEBUG(level, line, filename, modulename, component, ...) \ 311 ACPI_DO_DEBUG_PRINT (acpi_debug_print, level, line, \ 312 filename, modulename, component, __VA_ARGS__) 313 314#define ACPI_ACTUAL_DEBUG_RAW(level, line, filename, modulename, component, ...) \ 315 ACPI_DO_DEBUG_PRINT (acpi_debug_print_raw, level, line, \ 316 filename, modulename, component, __VA_ARGS__) 317 318/* 319 * Function entry tracing 320 * 321 * The name of the function is emitted as a local variable that is 322 * intended to be used by both the entry trace and the exit trace. 323 */ 324 325/* Helper macro */ 326 327#define ACPI_TRACE_ENTRY(name, function, type, param) \ 328 ACPI_FUNCTION_NAME (name) \ 329 function (ACPI_DEBUG_PARAMETERS, (type) (param)) 330 331/* The actual entry trace macros */ 332 333#define ACPI_FUNCTION_TRACE(name) \ 334 ACPI_FUNCTION_NAME(name) \ 335 acpi_ut_trace (ACPI_DEBUG_PARAMETERS) 336 337#define ACPI_FUNCTION_TRACE_PTR(name, pointer) \ 338 ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer) 339 340#define ACPI_FUNCTION_TRACE_U32(name, value) \ 341 ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value) 342 343#define ACPI_FUNCTION_TRACE_STR(name, string) \ 344 ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, char *, string) 345 346#define ACPI_FUNCTION_ENTRY() \ 347 acpi_ut_track_stack_ptr() 348 349/* 350 * Function exit tracing 351 * 352 * These macros include a return statement. This is usually considered 353 * bad form, but having a separate exit macro before the actual return 354 * is very ugly and difficult to maintain. 355 * 356 * One of the FUNCTION_TRACE macros above must be used in conjunction 357 * with these macros so that "_AcpiFunctionName" is defined. 358 * 359 * There are two versions of most of the return macros. The default version is 360 * safer, since it avoids side-effects by guaranteeing that the argument will 361 * not be evaluated twice. 362 * 363 * A less-safe version of the macros is provided for optional use if the 364 * compiler uses excessive CPU stack (for example, this may happen in the 365 * debug case if code optimzation is disabled.) 366 */ 367 368/* Exit trace helper macro */ 369 370#ifndef ACPI_SIMPLE_RETURN_MACROS 371 372#define ACPI_TRACE_EXIT(function, type, param) \ 373 ACPI_DO_WHILE0 ({ \ 374 register type _param = (type) (param); \ 375 function (ACPI_DEBUG_PARAMETERS, _param); \ 376 return (_param); \ 377 }) 378 379#else /* Use original less-safe macros */ 380 381#define ACPI_TRACE_EXIT(function, type, param) \ 382 ACPI_DO_WHILE0 ({ \ 383 function (ACPI_DEBUG_PARAMETERS, (type) (param)); \ 384 return (param); \ 385 }) 386 387#endif /* ACPI_SIMPLE_RETURN_MACROS */ 388 389/* The actual exit macros */ 390 391#define return_VOID \ 392 ACPI_DO_WHILE0 ({ \ 393 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \ 394 return; \ 395 }) 396 397#define return_ACPI_STATUS(status) \ 398 ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status) 399 400#define return_PTR(pointer) \ 401 ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer) 402 403#define return_VALUE(value) \ 404 ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value) 405 406#define return_UINT32(value) \ 407 ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value) 408 409#define return_UINT8(value) \ 410 ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value) 411 412/* Conditional execution */ 413 414#define ACPI_DEBUG_EXEC(a) a 415#define ACPI_DEBUG_ONLY_MEMBERS(a) a; 416#define _VERBOSE_STRUCTURES 417 418/* Various object display routines for debug */ 419 420#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0) 421#define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c) 422#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b) 423#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d) 424#define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) 425 426#else /* ACPI_DEBUG_OUTPUT */ 427/* 428 * This is the non-debug case -- make everything go away, 429 * leaving no executable debug code! 430 */ 431#define ACPI_DEBUG_PRINT(pl) 432#define ACPI_DEBUG_PRINT_RAW(pl) 433#define ACPI_DEBUG_EXEC(a) 434#define ACPI_DEBUG_ONLY_MEMBERS(a) 435#define ACPI_FUNCTION_NAME(a) 436#define ACPI_FUNCTION_TRACE(a) 437#define ACPI_FUNCTION_TRACE_PTR(a, b) 438#define ACPI_FUNCTION_TRACE_U32(a, b) 439#define ACPI_FUNCTION_TRACE_STR(a, b) 440#define ACPI_FUNCTION_ENTRY() 441#define ACPI_DUMP_STACK_ENTRY(a) 442#define ACPI_DUMP_OPERANDS(a, b, c) 443#define ACPI_DUMP_ENTRY(a, b) 444#define ACPI_DUMP_PATHNAME(a, b, c, d) 445#define ACPI_DUMP_BUFFER(a, b) 446#define ACPI_IS_DEBUG_ENABLED(level, component) 0 447 448/* Return macros must have a return statement at the minimum */ 449 450#define return_VOID return 451#define return_ACPI_STATUS(s) return(s) 452#define return_PTR(s) return(s) 453#define return_VALUE(s) return(s) 454#define return_UINT8(s) return(s) 455#define return_UINT32(s) return(s) 456 457#endif /* ACPI_DEBUG_OUTPUT */ 458 459#endif /* __ACOUTPUT_H__ */ 460