acoutput.h revision 249663
1/******************************************************************************
2 *
3 * Name: acoutput.h -- debug output
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2013, 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_ALL_EXCEPTIONS      0x0000000F
93
94/* Trace verbosity level 1 [Standard Trace Level] */
95
96#define ACPI_LV_INIT_NAMES          0x00000020
97#define ACPI_LV_PARSE               0x00000040
98#define ACPI_LV_LOAD                0x00000080
99#define ACPI_LV_DISPATCH            0x00000100
100#define ACPI_LV_EXEC                0x00000200
101#define ACPI_LV_NAMES               0x00000400
102#define ACPI_LV_OPREGION            0x00000800
103#define ACPI_LV_BFIELD              0x00001000
104#define ACPI_LV_TABLES              0x00002000
105#define ACPI_LV_VALUES              0x00004000
106#define ACPI_LV_OBJECTS             0x00008000
107#define ACPI_LV_RESOURCES           0x00010000
108#define ACPI_LV_USER_REQUESTS       0x00020000
109#define ACPI_LV_PACKAGE             0x00040000
110#define ACPI_LV_VERBOSITY1          0x0007FF40 | ACPI_LV_ALL_EXCEPTIONS
111
112/* Trace verbosity level 2 [Function tracing and memory allocation] */
113
114#define ACPI_LV_ALLOCATIONS         0x00100000
115#define ACPI_LV_FUNCTIONS           0x00200000
116#define ACPI_LV_OPTIMIZATIONS       0x00400000
117#define ACPI_LV_VERBOSITY2          0x00700000 | ACPI_LV_VERBOSITY1
118#define ACPI_LV_ALL                 ACPI_LV_VERBOSITY2
119
120/* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
121
122#define ACPI_LV_MUTEX               0x01000000
123#define ACPI_LV_THREADS             0x02000000
124#define ACPI_LV_IO                  0x04000000
125#define ACPI_LV_INTERRUPTS          0x08000000
126#define ACPI_LV_VERBOSITY3          0x0F000000 | ACPI_LV_VERBOSITY2
127
128/* Exceptionally verbose output -- also used in the global "DebugLevel"  */
129
130#define ACPI_LV_AML_DISASSEMBLE     0x10000000
131#define ACPI_LV_VERBOSE_INFO        0x20000000
132#define ACPI_LV_FULL_TABLES         0x40000000
133#define ACPI_LV_EVENTS              0x80000000
134#define ACPI_LV_VERBOSE             0xF0000000
135
136
137/*
138 * Debug level macros that are used in the DEBUG_PRINT macros
139 */
140#define ACPI_DEBUG_LEVEL(dl)        (UINT32) dl,ACPI_DEBUG_PARAMETERS
141
142/*
143 * Exception level -- used in the global "DebugLevel"
144 *
145 * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
146 * For warnings, use ACPI_WARNING.
147 */
148#define ACPI_DB_INIT                ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
149#define ACPI_DB_DEBUG_OBJECT        ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
150#define ACPI_DB_INFO                ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
151#define ACPI_DB_REPAIR              ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR)
152#define ACPI_DB_ALL_EXCEPTIONS      ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
153
154/* Trace level -- also used in the global "DebugLevel" */
155
156#define ACPI_DB_INIT_NAMES          ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
157#define ACPI_DB_THREADS             ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
158#define ACPI_DB_PARSE               ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
159#define ACPI_DB_DISPATCH            ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
160#define ACPI_DB_LOAD                ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
161#define ACPI_DB_EXEC                ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
162#define ACPI_DB_NAMES               ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
163#define ACPI_DB_OPREGION            ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
164#define ACPI_DB_BFIELD              ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
165#define ACPI_DB_TABLES              ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
166#define ACPI_DB_FUNCTIONS           ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
167#define ACPI_DB_OPTIMIZATIONS       ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
168#define ACPI_DB_VALUES              ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
169#define ACPI_DB_OBJECTS             ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
170#define ACPI_DB_ALLOCATIONS         ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
171#define ACPI_DB_RESOURCES           ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
172#define ACPI_DB_IO                  ACPI_DEBUG_LEVEL (ACPI_LV_IO)
173#define ACPI_DB_INTERRUPTS          ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
174#define ACPI_DB_USER_REQUESTS       ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
175#define ACPI_DB_PACKAGE             ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
176#define ACPI_DB_MUTEX               ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
177#define ACPI_DB_EVENTS              ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
178
179#define ACPI_DB_ALL                 ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
180
181/* Defaults for DebugLevel, debug and normal */
182
183#define ACPI_DEBUG_DEFAULT          (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
184#define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR)
185#define ACPI_DEBUG_ALL              (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
186
187
188#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
189/*
190 * The module name is used primarily for error and debug messages.
191 * The __FILE__ macro is not very useful for this, because it
192 * usually includes the entire pathname to the module making the
193 * debug output difficult to read.
194 */
195#define ACPI_MODULE_NAME(Name)          static const char ACPI_UNUSED_VAR _AcpiModuleName[] = Name;
196#else
197/*
198 * For the no-debug and no-error-msg cases, we must at least define
199 * a null module name.
200 */
201#define ACPI_MODULE_NAME(Name)
202#define _AcpiModuleName ""
203#endif
204
205/*
206 * Ascii error messages can be configured out
207 */
208#ifndef ACPI_NO_ERROR_MESSAGES
209#define AE_INFO                         _AcpiModuleName, __LINE__
210
211/*
212 * Error reporting. Callers module and line number are inserted by AE_INFO,
213 * the plist contains a set of parens to allow variable-length lists.
214 * These macros are used for both the debug and non-debug versions of the code.
215 */
216#define ACPI_INFO(plist)                AcpiInfo plist
217#define ACPI_WARNING(plist)             AcpiWarning plist
218#define ACPI_EXCEPTION(plist)           AcpiException plist
219#define ACPI_ERROR(plist)               AcpiError plist
220#define ACPI_BIOS_WARNING(plist)        AcpiBiosWarning plist
221#define ACPI_BIOS_ERROR(plist)          AcpiBiosError plist
222#define ACPI_DEBUG_OBJECT(obj,l,i)      AcpiExDoDebugObject(obj,l,i)
223
224#else
225
226/* No error messages */
227
228#define ACPI_INFO(plist)
229#define ACPI_WARNING(plist)
230#define ACPI_EXCEPTION(plist)
231#define ACPI_ERROR(plist)
232#define ACPI_BIOS_WARNING(plist)
233#define ACPI_BIOS_ERROR(plist)
234#define ACPI_DEBUG_OBJECT(obj,l,i)
235
236#endif /* ACPI_NO_ERROR_MESSAGES */
237
238
239/*
240 * Debug macros that are conditionally compiled
241 */
242#ifdef ACPI_DEBUG_OUTPUT
243
244/*
245 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
246 * define it now. This is the case where there the compiler does not support
247 * a __FUNCTION__ macro or equivalent.
248 */
249#ifndef ACPI_GET_FUNCTION_NAME
250#define ACPI_GET_FUNCTION_NAME          _AcpiFunctionName
251
252/*
253 * The Name parameter should be the procedure name as a quoted string.
254 * The function name is also used by the function exit macros below.
255 * Note: (const char) is used to be compatible with the debug interfaces
256 * and macros such as __FUNCTION__.
257 */
258#define ACPI_FUNCTION_NAME(Name)        static const char _AcpiFunctionName[] = #Name;
259
260#else
261/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
262
263#define ACPI_FUNCTION_NAME(Name)
264#endif /* ACPI_GET_FUNCTION_NAME */
265
266/*
267 * Common parameters used for debug output functions:
268 * line number, function name, module(file) name, component ID
269 */
270#define ACPI_DEBUG_PARAMETERS \
271    __LINE__, ACPI_GET_FUNCTION_NAME, _AcpiModuleName, _COMPONENT
272
273/* Check if debug output is currently dynamically enabled */
274
275#define ACPI_IS_DEBUG_ENABLED(Level, Component) \
276    ((Level & AcpiDbgLevel) && (Component & AcpiDbgLayer))
277
278/*
279 * Master debug print macros
280 * Print message if and only if:
281 *    1) Debug print for the current component is enabled
282 *    2) Debug error level or trace level for the print statement is enabled
283 *
284 * November 2012: Moved the runtime check for whether to actually emit the
285 * debug message outside of the print function itself. This improves overall
286 * performance at a relatively small code cost. Implementation involves the
287 * use of variadic macros supported by C99.
288 *
289 * Note: the ACPI_DO_WHILE0 macro is used to prevent some compilers from
290 * complaining about these constructs. On other compilers the do...while
291 * adds some extra code, so this feature is optional.
292 */
293#ifdef ACPI_USE_DO_WHILE_0
294#define ACPI_DO_WHILE0(a)               do a while(0)
295#else
296#define ACPI_DO_WHILE0(a)               a
297#endif
298
299/* DEBUG_PRINT functions */
300
301#define ACPI_DEBUG_PRINT(plist)         ACPI_ACTUAL_DEBUG plist
302#define ACPI_DEBUG_PRINT_RAW(plist)     ACPI_ACTUAL_DEBUG_RAW plist
303
304/* Helper macros for DEBUG_PRINT */
305
306#define ACPI_DO_DEBUG_PRINT(Function, Level, Line, Filename, Modulename, Component, ...) \
307    ACPI_DO_WHILE0 ({ \
308        if (ACPI_IS_DEBUG_ENABLED (Level, Component)) \
309        { \
310            Function (Level, Line, Filename, Modulename, Component, __VA_ARGS__); \
311        } \
312    })
313
314#define ACPI_ACTUAL_DEBUG(Level, Line, Filename, Modulename, Component, ...) \
315    ACPI_DO_DEBUG_PRINT (AcpiDebugPrint, Level, Line, \
316        Filename, Modulename, Component, __VA_ARGS__)
317
318#define ACPI_ACTUAL_DEBUG_RAW(Level, Line, Filename, Modulename, Component, ...) \
319    ACPI_DO_DEBUG_PRINT (AcpiDebugPrintRaw, Level, Line, \
320        Filename, Modulename, Component, __VA_ARGS__)
321
322
323/*
324 * Function entry tracing
325 *
326 * The name of the function is emitted as a local variable that is
327 * intended to be used by both the entry trace and the exit trace.
328 */
329
330/* Helper macro */
331
332#define ACPI_TRACE_ENTRY(Name, Function, Type, Param) \
333    ACPI_FUNCTION_NAME (Name) \
334    Function (ACPI_DEBUG_PARAMETERS, (Type) (Param))
335
336/* The actual entry trace macros */
337
338#define ACPI_FUNCTION_TRACE(Name) \
339    ACPI_FUNCTION_NAME(Name) \
340    AcpiUtTrace (ACPI_DEBUG_PARAMETERS)
341
342#define ACPI_FUNCTION_TRACE_PTR(Name, Pointer) \
343    ACPI_TRACE_ENTRY (Name, AcpiUtTracePtr, void *, Pointer)
344
345#define ACPI_FUNCTION_TRACE_U32(Name, Value) \
346    ACPI_TRACE_ENTRY (Name, AcpiUtTraceU32, UINT32, Value)
347
348#define ACPI_FUNCTION_TRACE_STR(Name, String) \
349    ACPI_TRACE_ENTRY (Name, AcpiUtTraceStr, char *, String)
350
351#define ACPI_FUNCTION_ENTRY() \
352    AcpiUtTrackStackPtr()
353
354
355/*
356 * Function exit tracing
357 *
358 * These macros include a return statement. This is usually considered
359 * bad form, but having a separate exit macro before the actual return
360 * is very ugly and difficult to maintain.
361 *
362 * One of the FUNCTION_TRACE macros above must be used in conjunction
363 * with these macros so that "_AcpiFunctionName" is defined.
364 *
365 * There are two versions of most of the return macros. The default version is
366 * safer, since it avoids side-effects by guaranteeing that the argument will
367 * not be evaluated twice.
368 *
369 * A less-safe version of the macros is provided for optional use if the
370 * compiler uses excessive CPU stack (for example, this may happen in the
371 * debug case if code optimzation is disabled.)
372 */
373
374/* Exit trace helper macro */
375
376#ifndef ACPI_SIMPLE_RETURN_MACROS
377
378#define ACPI_TRACE_EXIT(Function, Type, Param) \
379    ACPI_DO_WHILE0 ({ \
380        register Type _Param = (Type) (Param); \
381        Function (ACPI_DEBUG_PARAMETERS, _Param); \
382        return (_Param); \
383    })
384
385#else /* Use original less-safe macros */
386
387#define ACPI_TRACE_EXIT(Function, Type, Param) \
388    ACPI_DO_WHILE0 ({ \
389        Function (ACPI_DEBUG_PARAMETERS, (Type) (Param)); \
390        return (Param); \
391    })
392
393#endif /* ACPI_SIMPLE_RETURN_MACROS */
394
395/* The actual exit macros */
396
397#define return_VOID \
398    ACPI_DO_WHILE0 ({ \
399        AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
400        return; \
401    })
402
403#define return_ACPI_STATUS(Status) \
404    ACPI_TRACE_EXIT (AcpiUtStatusExit, ACPI_STATUS, Status)
405
406#define return_PTR(Pointer) \
407    ACPI_TRACE_EXIT (AcpiUtPtrExit, void *, Pointer)
408
409#define return_VALUE(Value) \
410    ACPI_TRACE_EXIT (AcpiUtValueExit, UINT64, Value)
411
412#define return_UINT32(Value) \
413    ACPI_TRACE_EXIT (AcpiUtValueExit, UINT32, Value)
414
415#define return_UINT8(Value) \
416    ACPI_TRACE_EXIT (AcpiUtValueExit, UINT8, Value)
417
418/* Conditional execution */
419
420#define ACPI_DEBUG_EXEC(a)              a
421#define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
422#define _VERBOSE_STRUCTURES
423
424
425/* Various object display routines for debug */
426
427#define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
428#define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
429#define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
430#define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
431#define ACPI_DUMP_BUFFER(a, b)          AcpiUtDebugDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
432
433#else /* ACPI_DEBUG_OUTPUT */
434/*
435 * This is the non-debug case -- make everything go away,
436 * leaving no executable debug code!
437 */
438#define ACPI_DEBUG_PRINT(pl)
439#define ACPI_DEBUG_PRINT_RAW(pl)
440#define ACPI_DEBUG_EXEC(a)
441#define ACPI_DEBUG_ONLY_MEMBERS(a)
442#define ACPI_FUNCTION_NAME(a)
443#define ACPI_FUNCTION_TRACE(a)
444#define ACPI_FUNCTION_TRACE_PTR(a, b)
445#define ACPI_FUNCTION_TRACE_U32(a, b)
446#define ACPI_FUNCTION_TRACE_STR(a, b)
447#define ACPI_FUNCTION_ENTRY()
448#define ACPI_DUMP_STACK_ENTRY(a)
449#define ACPI_DUMP_OPERANDS(a, b, c)
450#define ACPI_DUMP_ENTRY(a, b)
451#define ACPI_DUMP_PATHNAME(a, b, c, d)
452#define ACPI_DUMP_BUFFER(a, b)
453#define ACPI_IS_DEBUG_ENABLED(Level, Component) 0
454
455/* Return macros must have a return statement at the minimum */
456
457#define return_VOID                     return
458#define return_ACPI_STATUS(s)           return(s)
459#define return_PTR(s)                   return(s)
460#define return_VALUE(s)                 return(s)
461#define return_UINT8(s)                 return(s)
462#define return_UINT32(s)                return(s)
463
464#endif /* ACPI_DEBUG_OUTPUT */
465
466
467#endif /* __ACOUTPUT_H__ */
468