acmacros.h revision 217365
1/******************************************************************************
2 *
3 * Name: acmacros.h - C macros for the entire subsystem.
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2011, 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/*
49 * Extract data using a pointer. Any more than a byte and we
50 * get into potential aligment issues -- see the STORE macros below.
51 * Use with care.
52 */
53#define ACPI_GET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
54#define ACPI_GET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
55#define ACPI_GET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
56#define ACPI_GET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
57#define ACPI_SET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
58#define ACPI_SET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
59#define ACPI_SET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
60#define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
61
62/*
63 * printf() format helpers
64 */
65
66/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
67
68#define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
69
70#if ACPI_MACHINE_WIDTH == 64
71#define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
72#else
73#define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
74#endif
75
76
77/*
78 * Macros for moving data around to/from buffers that are possibly unaligned.
79 * If the hardware supports the transfer of unaligned data, just do the store.
80 * Otherwise, we have to move one byte at a time.
81 */
82#ifdef ACPI_BIG_ENDIAN
83/*
84 * Macros for big-endian machines
85 */
86
87/* These macros reverse the bytes during the move, converting little-endian to big endian */
88
89                                                     /* Big Endian      <==        Little Endian */
90                                                     /*  Hi...Lo                     Lo...Hi     */
91/* 16-bit source, 16/32/64 destination */
92
93#define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
94                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
95
96#define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
97                                           ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
98                                           ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
99
100#define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
101                                           ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
102                                           ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
103
104/* 32-bit source, 16/32/64 destination */
105
106#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
107
108#define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
109                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
110                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
111                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
112
113#define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
114                                           ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
115                                           ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
116                                           ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
117                                           ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
118
119/* 64-bit source, 16/32/64 destination */
120
121#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
122
123#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
124
125#define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
126                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
127                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
128                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
129                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
130                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
131                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
132                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
133#else
134/*
135 * Macros for little-endian machines
136 */
137
138#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
139
140/* The hardware supports unaligned transfers, just do the little-endian move */
141
142/* 16-bit source, 16/32/64 destination */
143
144#define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
145#define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
146#define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
147
148/* 32-bit source, 16/32/64 destination */
149
150#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
151#define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
152#define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
153
154/* 64-bit source, 16/32/64 destination */
155
156#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
157#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
158#define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
159
160#else
161/*
162 * The hardware does not support unaligned transfers. We must move the
163 * data one byte at a time. These macros work whether the source or
164 * the destination (or both) is/are unaligned. (Little-endian move)
165 */
166
167/* 16-bit source, 16/32/64 destination */
168
169#define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
170                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
171
172#define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
173#define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
174
175/* 32-bit source, 16/32/64 destination */
176
177#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
178
179#define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
180                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
181                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
182                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
183
184#define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
185
186/* 64-bit source, 16/32/64 destination */
187
188#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
189#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
190#define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
191                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
192                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
193                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
194                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
195                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
196                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
197                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
198#endif
199#endif
200
201
202/*
203 * Fast power-of-two math macros for non-optimized compilers
204 */
205#define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
206#define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
207#define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
208
209#define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
210#define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
211#define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
212
213#define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
214#define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
215#define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
216
217#define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
218#define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
219#define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
220
221#define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
222#define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
223#define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
224
225#define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
226#define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
227#define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
228
229/*
230 * Rounding macros (Power of two boundaries only)
231 */
232#define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
233                                                (~(((ACPI_SIZE) boundary)-1)))
234
235#define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
236                                                (((ACPI_SIZE) boundary)-1)) & \
237                                                (~(((ACPI_SIZE) boundary)-1)))
238
239/* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
240
241#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
242#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
243#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
244
245#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
246#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
247#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
248
249#define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
250#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
251
252#define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
253
254/* Generic (non-power-of-two) rounding */
255
256#define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
257
258#define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
259
260/*
261 * Bitmask creation
262 * Bit positions start at zero.
263 * MASK_BITS_ABOVE creates a mask starting AT the position and above
264 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
265 */
266#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((UINT32) (position))))
267#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((UINT32) (position)))
268
269/* Bitfields within ACPI registers */
270
271#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
272#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
273
274#define ACPI_INSERT_BITS(Target, Mask, Source)          Target = ((Target & (~(Mask))) | (Source & Mask))
275
276/*
277 * An ACPI_NAMESPACE_NODE can appear in some contexts
278 * where a pointer to an ACPI_OPERAND_OBJECT can also
279 * appear. This macro is used to distinguish them.
280 *
281 * The "Descriptor" field is the first field in both structures.
282 */
283#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
284#define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
285
286/*
287 * Macros for the master AML opcode table
288 */
289#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
290#define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
291    {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
292#else
293#define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
294    {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
295#endif
296
297#define ARG_TYPE_WIDTH                  5
298#define ARG_1(x)                        ((UINT32)(x))
299#define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
300#define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
301#define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
302#define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
303#define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
304
305#define ARGI_LIST1(a)                   (ARG_1(a))
306#define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
307#define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
308#define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
309#define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
310#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))
311
312#define ARGP_LIST1(a)                   (ARG_1(a))
313#define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
314#define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
315#define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
316#define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
317#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))
318
319#define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
320#define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
321
322/*
323 * Ascii error messages can be configured out
324 */
325#ifndef ACPI_NO_ERROR_MESSAGES
326/*
327 * Error reporting. Callers module and line number are inserted by AE_INFO,
328 * the plist contains a set of parens to allow variable-length lists.
329 * These macros are used for both the debug and non-debug versions of the code.
330 */
331#define ACPI_ERROR_NAMESPACE(s, e)      AcpiUtNamespaceError (AE_INFO, s, e);
332#define ACPI_ERROR_METHOD(s, n, p, e)   AcpiUtMethodError (AE_INFO, s, n, p, e);
333#define ACPI_WARN_PREDEFINED(plist)     AcpiUtPredefinedWarning plist
334#define ACPI_INFO_PREDEFINED(plist)     AcpiUtPredefinedInfo plist
335
336#else
337
338/* No error messages */
339
340#define ACPI_ERROR_NAMESPACE(s, e)
341#define ACPI_ERROR_METHOD(s, n, p, e)
342#define ACPI_WARN_PREDEFINED(plist)
343#define ACPI_INFO_PREDEFINED(plist)
344
345#endif /* ACPI_NO_ERROR_MESSAGES */
346
347/*
348 * Debug macros that are conditionally compiled
349 */
350#ifdef ACPI_DEBUG_OUTPUT
351/*
352 * Function entry tracing
353 */
354#define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
355                                            AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
356#define ACPI_FUNCTION_TRACE_PTR(a, b)   ACPI_FUNCTION_NAME(a) \
357                                            AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS, (void *)b)
358#define ACPI_FUNCTION_TRACE_U32(a, b)   ACPI_FUNCTION_NAME(a) \
359                                            AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS, (UINT32)b)
360#define ACPI_FUNCTION_TRACE_STR(a, b)   ACPI_FUNCTION_NAME(a) \
361                                            AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS, (char *)b)
362
363#define ACPI_FUNCTION_ENTRY()           AcpiUtTrackStackPtr()
364
365/*
366 * Function exit tracing.
367 * WARNING: These macros include a return statement. This is usually considered
368 * bad form, but having a separate exit macro is very ugly and difficult to maintain.
369 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
370 * so that "_AcpiFunctionName" is defined.
371 *
372 * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
373 * about these constructs.
374 */
375#ifdef ACPI_USE_DO_WHILE_0
376#define ACPI_DO_WHILE0(a)               do a while(0)
377#else
378#define ACPI_DO_WHILE0(a)               a
379#endif
380
381#define return_VOID                     ACPI_DO_WHILE0 ({ \
382                                            AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
383                                            return;})
384/*
385 * There are two versions of most of the return macros. The default version is
386 * safer, since it avoids side-effects by guaranteeing that the argument will
387 * not be evaluated twice.
388 *
389 * A less-safe version of the macros is provided for optional use if the
390 * compiler uses excessive CPU stack (for example, this may happen in the
391 * debug case if code optimzation is disabled.)
392 */
393#ifndef ACPI_SIMPLE_RETURN_MACROS
394
395#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
396                                            register ACPI_STATUS _s = (s); \
397                                            AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
398                                            return (_s); })
399#define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
400                                            register void *_s = (void *) (s); \
401                                            AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
402                                            return (_s); })
403#define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
404                                            register UINT64 _s = (s); \
405                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
406                                            return (_s); })
407#define return_UINT8(s)                 ACPI_DO_WHILE0 ({ \
408                                            register UINT8 _s = (UINT8) (s); \
409                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
410                                            return (_s); })
411#define return_UINT32(s)                ACPI_DO_WHILE0 ({ \
412                                            register UINT32 _s = (UINT32) (s); \
413                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) _s); \
414                                            return (_s); })
415#else /* Use original less-safe macros */
416
417#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
418                                            AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
419                                            return((s)); })
420#define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
421                                            AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
422                                            return((s)); })
423#define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
424                                            AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (UINT64) (s)); \
425                                            return((s)); })
426#define return_UINT8(s)                 return_VALUE(s)
427#define return_UINT32(s)                return_VALUE(s)
428
429#endif /* ACPI_SIMPLE_RETURN_MACROS */
430
431
432/* Conditional execution */
433
434#define ACPI_DEBUG_EXEC(a)              a
435#define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
436#define _VERBOSE_STRUCTURES
437
438
439/* Various object display routines for debug */
440
441#define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
442#define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
443#define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
444#define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
445#define ACPI_DUMP_BUFFER(a, b)          AcpiUtDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
446
447#else
448/*
449 * This is the non-debug case -- make everything go away,
450 * leaving no executable debug code!
451 */
452#define ACPI_DEBUG_EXEC(a)
453#define ACPI_DEBUG_ONLY_MEMBERS(a)
454#define ACPI_FUNCTION_TRACE(a)
455#define ACPI_FUNCTION_TRACE_PTR(a, b)
456#define ACPI_FUNCTION_TRACE_U32(a, b)
457#define ACPI_FUNCTION_TRACE_STR(a, b)
458#define ACPI_FUNCTION_EXIT
459#define ACPI_FUNCTION_STATUS_EXIT(s)
460#define ACPI_FUNCTION_VALUE_EXIT(s)
461#define ACPI_FUNCTION_ENTRY()
462#define ACPI_DUMP_STACK_ENTRY(a)
463#define ACPI_DUMP_OPERANDS(a, b, c)
464#define ACPI_DUMP_ENTRY(a, b)
465#define ACPI_DUMP_TABLES(a, b)
466#define ACPI_DUMP_PATHNAME(a, b, c, d)
467#define ACPI_DUMP_BUFFER(a, b)
468#define ACPI_DEBUG_PRINT(pl)
469#define ACPI_DEBUG_PRINT_RAW(pl)
470
471#define return_VOID                     return
472#define return_ACPI_STATUS(s)           return(s)
473#define return_VALUE(s)                 return(s)
474#define return_UINT8(s)                 return(s)
475#define return_UINT32(s)                return(s)
476#define return_PTR(s)                   return(s)
477
478#endif /* ACPI_DEBUG_OUTPUT */
479
480/*
481 * Some code only gets executed when the debugger is built in.
482 * Note that this is entirely independent of whether the
483 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
484 */
485#ifdef ACPI_DEBUGGER
486#define ACPI_DEBUGGER_EXEC(a)           a
487#else
488#define ACPI_DEBUGGER_EXEC(a)
489#endif
490
491
492/*
493 * Memory allocation tracking (DEBUG ONLY)
494 */
495#define ACPI_MEM_PARAMETERS         _COMPONENT, _AcpiModuleName, __LINE__
496
497#ifndef ACPI_DBG_TRACK_ALLOCATIONS
498
499/* Memory allocation */
500
501#define ACPI_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
502#define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
503#define ACPI_FREE(a)                AcpiOsFree(a)
504#define ACPI_MEM_TRACKING(a)
505
506#else
507
508/* Memory allocation */
509
510#define ACPI_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
511#define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
512#define ACPI_FREE(a)                AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS)
513#define ACPI_MEM_TRACKING(a)        a
514
515#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
516
517
518/*
519 * Macros used for ACPICA utilities only
520 */
521
522/* Generate a UUID */
523
524#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
525    (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
526    (b) & 0xFF, ((b) >> 8) & 0xFF, \
527    (c) & 0xFF, ((c) >> 8) & 0xFF, \
528    (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
529
530#define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
531
532
533#endif /* ACMACROS_H */
534