acoutput.h revision 298720
1/******************************************************************************
2 *
3 * Name: acoutput.h -- debug output
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2016, 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/*
86 * Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros
87 */
88#define ACPI_LV_INIT                0x00000001
89#define ACPI_LV_DEBUG_OBJECT        0x00000002
90#define ACPI_LV_INFO                0x00000004
91#define ACPI_LV_REPAIR              0x00000008
92#define ACPI_LV_TRACE_POINT         0x00000010
93#define ACPI_LV_ALL_EXCEPTIONS      0x0000001F
94
95/* Trace verbosity level 1 [Standard Trace Level] */
96
97#define ACPI_LV_INIT_NAMES          0x00000020
98#define ACPI_LV_PARSE               0x00000040
99#define ACPI_LV_LOAD                0x00000080
100#define ACPI_LV_DISPATCH            0x00000100
101#define ACPI_LV_EXEC                0x00000200
102#define ACPI_LV_NAMES               0x00000400
103#define ACPI_LV_OPREGION            0x00000800
104#define ACPI_LV_BFIELD              0x00001000
105#define ACPI_LV_TABLES              0x00002000
106#define ACPI_LV_VALUES              0x00004000
107#define ACPI_LV_OBJECTS             0x00008000
108#define ACPI_LV_RESOURCES           0x00010000
109#define ACPI_LV_USER_REQUESTS       0x00020000
110#define ACPI_LV_PACKAGE             0x00040000
111#define ACPI_LV_VERBOSITY1          0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS
112
113/* Trace verbosity level 2 [Function tracing and memory allocation] */
114
115#define ACPI_LV_ALLOCATIONS         0x00100000
116#define ACPI_LV_FUNCTIONS           0x00200000
117#define ACPI_LV_OPTIMIZATIONS       0x00400000
118#define ACPI_LV_VERBOSITY2          0x00700000 | ACPI_LV_VERBOSITY1
119#define ACPI_LV_ALL                 ACPI_LV_VERBOSITY2
120
121/* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
122
123#define ACPI_LV_MUTEX               0x01000000
124#define ACPI_LV_THREADS             0x02000000
125#define ACPI_LV_IO                  0x04000000
126#define ACPI_LV_INTERRUPTS          0x08000000
127#define ACPI_LV_VERBOSITY3          0x0F000000 | ACPI_LV_VERBOSITY2
128
129/* Exceptionally verbose output -- also used in the global "DebugLevel"  */
130
131#define ACPI_LV_AML_DISASSEMBLE     0x10000000
132#define ACPI_LV_VERBOSE_INFO        0x20000000
133#define ACPI_LV_FULL_TABLES         0x40000000
134#define ACPI_LV_EVENTS              0x80000000
135#define ACPI_LV_VERBOSE             0xF0000000
136
137
138/*
139 * Debug level macros that are used in the DEBUG_PRINT macros
140 */
141#define ACPI_DEBUG_LEVEL(dl)        (UINT32) dl,ACPI_DEBUG_PARAMETERS
142
143/*
144 * Exception level -- used in the global "DebugLevel"
145 *
146 * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
147 * For warnings, use ACPI_WARNING.
148 */
149#define ACPI_DB_INIT                ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
150#define ACPI_DB_DEBUG_OBJECT        ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
151#define ACPI_DB_INFO                ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
152#define ACPI_DB_REPAIR              ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR)
153#define ACPI_DB_TRACE_POINT         ACPI_DEBUG_LEVEL (ACPI_LV_TRACE_POINT)
154#define ACPI_DB_ALL_EXCEPTIONS      ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
155
156/* Trace level -- also used in the global "DebugLevel" */
157
158#define ACPI_DB_INIT_NAMES          ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
159#define ACPI_DB_THREADS             ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
160#define ACPI_DB_PARSE               ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
161#define ACPI_DB_DISPATCH            ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
162#define ACPI_DB_LOAD                ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
163#define ACPI_DB_EXEC                ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
164#define ACPI_DB_NAMES               ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
165#define ACPI_DB_OPREGION            ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
166#define ACPI_DB_BFIELD              ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
167#define ACPI_DB_TABLES              ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
168#define ACPI_DB_FUNCTIONS           ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
169#define ACPI_DB_OPTIMIZATIONS       ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
170#define ACPI_DB_VALUES              ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
171#define ACPI_DB_OBJECTS             ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
172#define ACPI_DB_ALLOCATIONS         ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
173#define ACPI_DB_RESOURCES           ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
174#define ACPI_DB_IO                  ACPI_DEBUG_LEVEL (ACPI_LV_IO)
175#define ACPI_DB_INTERRUPTS          ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
176#define ACPI_DB_USER_REQUESTS       ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
177#define ACPI_DB_PACKAGE             ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
178#define ACPI_DB_MUTEX               ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
179#define ACPI_DB_EVENTS              ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
180
181#define ACPI_DB_ALL                 ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
182
183/* Defaults for DebugLevel, debug and normal */
184
185#define ACPI_DEBUG_DEFAULT          (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
186#define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
187#define ACPI_DEBUG_ALL              (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
188
189
190/*
191 * Global trace flags
192 */
193#define ACPI_TRACE_ENABLED          ((UINT32) 4)
194#define ACPI_TRACE_ONESHOT          ((UINT32) 2)
195#define ACPI_TRACE_OPCODE           ((UINT32) 1)
196
197/* Defaults for trace debugging level/layer */
198
199#define ACPI_TRACE_LEVEL_ALL        ACPI_LV_ALL
200#define ACPI_TRACE_LAYER_ALL        0x000001FF
201#define ACPI_TRACE_LEVEL_DEFAULT    ACPI_LV_TRACE_POINT
202#define ACPI_TRACE_LAYER_DEFAULT    ACPI_EXECUTER
203
204
205#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
206/*
207 * The module name is used primarily for error and debug messages.
208 * The __FILE__ macro is not very useful for this, because it
209 * usually includes the entire pathname to the module making the
210 * debug output difficult to read.
211 */
212#define ACPI_MODULE_NAME(Name)          static const char ACPI_UNUSED_VAR _AcpiModuleName[] = Name;
213#else
214/*
215 * For the no-debug and no-error-msg cases, we must at least define
216 * a null module name.
217 */
218#define ACPI_MODULE_NAME(Name)
219#define _AcpiModuleName ""
220#endif
221
222/*
223 * Ascii error messages can be configured out
224 */
225#ifndef ACPI_NO_ERROR_MESSAGES
226#define AE_INFO                         _AcpiModuleName, __LINE__
227
228/*
229 * Error reporting. Callers module and line number are inserted by AE_INFO,
230 * the plist contains a set of parens to allow variable-length lists.
231 * These macros are used for both the debug and non-debug versions of the code.
232 */
233#define ACPI_INFO(plist)                AcpiInfo plist
234#define ACPI_WARNING(plist)             AcpiWarning plist
235#define ACPI_EXCEPTION(plist)           AcpiException plist
236#define ACPI_ERROR(plist)               AcpiError plist
237#define ACPI_BIOS_WARNING(plist)        AcpiBiosWarning plist
238#define ACPI_BIOS_ERROR(plist)          AcpiBiosError plist
239#define ACPI_DEBUG_OBJECT(obj,l,i)      AcpiExDoDebugObject(obj,l,i)
240
241#else
242
243/* No error messages */
244
245#define ACPI_INFO(plist)
246#define ACPI_WARNING(plist)
247#define ACPI_EXCEPTION(plist)
248#define ACPI_ERROR(plist)
249#define ACPI_BIOS_WARNING(plist)
250#define ACPI_BIOS_ERROR(plist)
251#define ACPI_DEBUG_OBJECT(obj,l,i)
252
253#endif /* ACPI_NO_ERROR_MESSAGES */
254
255
256/*
257 * Debug macros that are conditionally compiled
258 */
259#ifdef ACPI_DEBUG_OUTPUT
260
261/*
262 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
263 * define it now. This is the case where there the compiler does not support
264 * a __FUNCTION__ macro or equivalent.
265 */
266#ifndef ACPI_GET_FUNCTION_NAME
267#define ACPI_GET_FUNCTION_NAME          _AcpiFunctionName
268
269/*
270 * The Name parameter should be the procedure name as a non-quoted string.
271 * The function name is also used by the function exit macros below.
272 * Note: (const char) is used to be compatible with the debug interfaces
273 * and macros such as __FUNCTION__.
274 */
275#define ACPI_FUNCTION_NAME(Name)        static const char _AcpiFunctionName[] = #Name;
276
277#else
278/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
279
280#define ACPI_FUNCTION_NAME(Name)
281#endif /* ACPI_GET_FUNCTION_NAME */
282
283/*
284 * Common parameters used for debug output functions:
285 * line number, function name, module(file) name, component ID
286 */
287#define ACPI_DEBUG_PARAMETERS \
288    __LINE__, ACPI_GET_FUNCTION_NAME, _AcpiModuleName, _COMPONENT
289
290/* Check if debug output is currently dynamically enabled */
291
292#define ACPI_IS_DEBUG_ENABLED(Level, Component) \
293    ((Level & AcpiDbgLevel) && (Component & AcpiDbgLayer))
294
295/*
296 * Master debug print macros
297 * Print message if and only if:
298 *    1) Debug print for the current component is enabled
299 *    2) Debug error level or trace level for the print statement is enabled
300 *
301 * November 2012: Moved the runtime check for whether to actually emit the
302 * debug message outside of the print function itself. This improves overall
303 * performance at a relatively small code cost. Implementation involves the
304 * use of variadic macros supported by C99.
305 *
306 * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
307 * complaining about these constructs. On other compilers the do...while
308 * adds some extra code, so this feature is optional.
309 */
310#ifdef ACPI_USE_DO_WHILE_0
311#define ACPI_DO_WHILE0(a)               do a while(0)
312#else
313#define ACPI_DO_WHILE0(a)               a
314#endif
315
316/* DEBUG_PRINT functions */
317
318#ifndef COMPILER_VA_MACRO
319
320#define ACPI_DEBUG_PRINT(plist)         AcpiDebugPrint plist
321#define ACPI_DEBUG_PRINT_RAW(plist)     AcpiDebugPrintRaw plist
322
323#else
324
325/* Helper macros for DEBUG_PRINT */
326
327#define ACPI_DO_DEBUG_PRINT(Function, Level, Line, Filename, Modulename, Component, ...) \
328    ACPI_DO_WHILE0 ({ \
329        if (ACPI_IS_DEBUG_ENABLED (Level, Component)) \
330        { \
331            Function (Level, Line, Filename, Modulename, Component, __VA_ARGS__); \
332        } \
333    })
334
335#define ACPI_ACTUAL_DEBUG(Level, Line, Filename, Modulename, Component, ...) \
336    ACPI_DO_DEBUG_PRINT (AcpiDebugPrint, Level, Line, \
337        Filename, Modulename, Component, __VA_ARGS__)
338
339#define ACPI_ACTUAL_DEBUG_RAW(Level, Line, Filename, Modulename, Component, ...) \
340    ACPI_DO_DEBUG_PRINT (AcpiDebugPrintRaw, Level, Line, \
341        Filename, Modulename, Component, __VA_ARGS__)
342
343#define ACPI_DEBUG_PRINT(plist)         ACPI_ACTUAL_DEBUG plist
344#define ACPI_DEBUG_PRINT_RAW(plist)     ACPI_ACTUAL_DEBUG_RAW plist
345
346#endif
347
348
349/*
350 * Function entry tracing
351 *
352 * The name of the function is emitted as a local variable that is
353 * intended to be used by both the entry trace and the exit trace.
354 */
355
356/* Helper macro */
357
358#define ACPI_TRACE_ENTRY(Name, Function, Type, Param) \
359    ACPI_FUNCTION_NAME (Name) \
360    Function (ACPI_DEBUG_PARAMETERS, (Type) (Param))
361
362/* The actual entry trace macros */
363
364#define ACPI_FUNCTION_TRACE(Name) \
365    ACPI_FUNCTION_NAME(Name) \
366    AcpiUtTrace (ACPI_DEBUG_PARAMETERS)
367
368#define ACPI_FUNCTION_TRACE_PTR(Name, Pointer) \
369    ACPI_TRACE_ENTRY (Name, AcpiUtTracePtr, void *, Pointer)
370
371#define ACPI_FUNCTION_TRACE_U32(Name, Value) \
372    ACPI_TRACE_ENTRY (Name, AcpiUtTraceU32, UINT32, Value)
373
374#define ACPI_FUNCTION_TRACE_STR(Name, String) \
375    ACPI_TRACE_ENTRY (Name, AcpiUtTraceStr, const char *, String)
376
377#define ACPI_FUNCTION_ENTRY() \
378    AcpiUtTrackStackPtr()
379
380
381/*
382 * Function exit tracing
383 *
384 * These macros include a return statement. This is usually considered
385 * bad form, but having a separate exit macro before the actual return
386 * is very ugly and difficult to maintain.
387 *
388 * One of the FUNCTION_TRACE macros above must be used in conjunction
389 * with these macros so that "_AcpiFunctionName" is defined.
390 *
391 * There are two versions of most of the return macros. The default version is
392 * safer, since it avoids side-effects by guaranteeing that the argument will
393 * not be evaluated twice.
394 *
395 * A less-safe version of the macros is provided for optional use if the
396 * compiler uses excessive CPU stack (for example, this may happen in the
397 * debug case if code optimzation is disabled.)
398 */
399
400/* Exit trace helper macro */
401
402#ifndef ACPI_SIMPLE_RETURN_MACROS
403
404#define ACPI_TRACE_EXIT(Function, Type, Param) \
405    ACPI_DO_WHILE0 ({ \
406        register Type _Param = (Type) (Param); \
407        Function (ACPI_DEBUG_PARAMETERS, _Param); \
408        return (_Param); \
409    })
410
411#else /* Use original less-safe macros */
412
413#define ACPI_TRACE_EXIT(Function, Type, Param) \
414    ACPI_DO_WHILE0 ({ \
415        Function (ACPI_DEBUG_PARAMETERS, (Type) (Param)); \
416        return (Param); \
417    })
418
419#endif /* ACPI_SIMPLE_RETURN_MACROS */
420
421/* The actual exit macros */
422
423#define return_VOID \
424    ACPI_DO_WHILE0 ({ \
425        AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
426        return; \
427    })
428
429#define return_ACPI_STATUS(Status) \
430    ACPI_TRACE_EXIT (AcpiUtStatusExit, ACPI_STATUS, Status)
431
432#define return_PTR(Pointer) \
433    ACPI_TRACE_EXIT (AcpiUtPtrExit, void *, Pointer)
434
435#define return_STR(String) \
436    ACPI_TRACE_EXIT (AcpiUtStrExit, const char *, String)
437
438#define return_VALUE(Value) \
439    ACPI_TRACE_EXIT (AcpiUtValueExit, UINT64, Value)
440
441#define return_UINT32(Value) \
442    ACPI_TRACE_EXIT (AcpiUtValueExit, UINT32, Value)
443
444#define return_UINT8(Value) \
445    ACPI_TRACE_EXIT (AcpiUtValueExit, UINT8, Value)
446
447/* Conditional execution */
448
449#define ACPI_DEBUG_EXEC(a)              a
450#define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
451#define _VERBOSE_STRUCTURES
452
453
454/* Various object display routines for debug */
455
456#define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
457#define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
458#define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
459#define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
460#define ACPI_DUMP_BUFFER(a, b)          AcpiUtDebugDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
461
462#define ACPI_TRACE_POINT(a, b, c, d)    AcpiTracePoint (a, b, c, d)
463
464#else /* ACPI_DEBUG_OUTPUT */
465/*
466 * This is the non-debug case -- make everything go away,
467 * leaving no executable debug code!
468 */
469#define ACPI_DEBUG_PRINT(pl)
470#define ACPI_DEBUG_PRINT_RAW(pl)
471#define ACPI_DEBUG_EXEC(a)
472#define ACPI_DEBUG_ONLY_MEMBERS(a)
473#define ACPI_FUNCTION_NAME(a)
474#define ACPI_FUNCTION_TRACE(a)
475#define ACPI_FUNCTION_TRACE_PTR(a, b)
476#define ACPI_FUNCTION_TRACE_U32(a, b)
477#define ACPI_FUNCTION_TRACE_STR(a, b)
478#define ACPI_FUNCTION_ENTRY()
479#define ACPI_DUMP_STACK_ENTRY(a)
480#define ACPI_DUMP_OPERANDS(a, b, c)
481#define ACPI_DUMP_ENTRY(a, b)
482#define ACPI_DUMP_PATHNAME(a, b, c, d)
483#define ACPI_DUMP_BUFFER(a, b)
484#define ACPI_IS_DEBUG_ENABLED(Level, Component) 0
485#define ACPI_TRACE_POINT(a, b, c, d)
486
487/* Return macros must have a return statement at the minimum */
488
489#define return_VOID                     return
490#define return_ACPI_STATUS(s)           return(s)
491#define return_PTR(s)                   return(s)
492#define return_STR(s)                   return(s)
493#define return_VALUE(s)                 return(s)
494#define return_UINT8(s)                 return(s)
495#define return_UINT32(s)                return(s)
496
497#endif /* ACPI_DEBUG_OUTPUT */
498
499
500#endif /* __ACOUTPUT_H__ */
501