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1/******************************************************************************
2 *
3 * Name: acmacros.h - C macros for the entire subsystem.
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, 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_INTEGER_MAX) << ((u32) (position))))
276#define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_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 * An struct acpi_namespace_node can appear in some contexts
287 * where a pointer to an 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/* Macro to test the object type */
296
297#define ACPI_GET_OBJECT_TYPE(d) (((union acpi_operand_object *)(void *)(d))->common.type)
298
299/*
300 * Macros for the master AML opcode table
301 */
302#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
303#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
304 {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
305#else
306#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
307 {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
308#endif
309
310#define ARG_TYPE_WIDTH 5
311#define ARG_1(x) ((u32)(x))
312#define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH))
313#define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH))
314#define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH))
315#define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH))
316#define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH))
317
318#define ARGI_LIST1(a) (ARG_1(a))
319#define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a))
320#define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a))
321#define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
322#define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
323#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))
324
325#define ARGP_LIST1(a) (ARG_1(a))
326#define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b))
327#define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c))
328#define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
329#define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
330#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))
331
332#define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F))
333#define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH))
334
335/*
336 * Ascii error messages can be configured out
337 */
338#ifndef ACPI_NO_ERROR_MESSAGES
339
340/*
341 * Error reporting. Callers module and line number are inserted by AE_INFO,
342 * the plist contains a set of parens to allow variable-length lists.
343 * These macros are used for both the debug and non-debug versions of the code.
344 */
345#define ACPI_ERROR_NAMESPACE(s, e) acpi_ns_report_error (AE_INFO, s, e);
346#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ns_report_method_error (AE_INFO, s, n, p, e);
347
348#else
349
350/* No error messages */
351
352#define ACPI_ERROR_NAMESPACE(s, e)
353#define ACPI_ERROR_METHOD(s, n, p, e)
354#endif /* ACPI_NO_ERROR_MESSAGES */
355
356/*
357 * Debug macros that are conditionally compiled
358 */
359#ifdef ACPI_DEBUG_OUTPUT
360
361/*
362 * Function entry tracing
363 */
364#ifdef CONFIG_ACPI_DEBUG_FUNC_TRACE
365
366#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
367 acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
368#define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \
369 acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS, (void *)b)
370#define ACPI_FUNCTION_TRACE_U32(a, b) ACPI_FUNCTION_NAME(a) \
371 acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS, (u32)b)
372#define ACPI_FUNCTION_TRACE_STR(a, b) ACPI_FUNCTION_NAME(a) \
373 acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS, (char *)b)
374
375#define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr()
376
377/*
378 * Function exit tracing.
379 * WARNING: These macros include a return statement. This is usually considered
380 * bad form, but having a separate exit macro is very ugly and difficult to maintain.
381 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
382 * so that "_AcpiFunctionName" is defined.
383 *
384 * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
385 * about these constructs.
386 */
387#ifdef ACPI_USE_DO_WHILE_0
388#define ACPI_DO_WHILE0(a) do a while(0)
389#else
390#define ACPI_DO_WHILE0(a) a
391#endif
392
393#define return_VOID ACPI_DO_WHILE0 ({ \
394 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
395 return;})
396/*
397 * There are two versions of most of the return macros. The default version is
398 * safer, since it avoids side-effects by guaranteeing that the argument will
399 * not be evaluated twice.
400 *
401 * A less-safe version of the macros is provided for optional use if the
402 * compiler uses excessive CPU stack (for example, this may happen in the
403 * debug case if code optimzation is disabled.)
404 */
405#ifndef ACPI_SIMPLE_RETURN_MACROS
406
407#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
408 register acpi_status _s = (s); \
409 acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, _s); \
410 return (_s); })
411#define return_PTR(s) ACPI_DO_WHILE0 ({ \
412 register void *_s = (void *) (s); \
413 acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \
414 return (_s); })
415#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
416 register acpi_integer _s = (s); \
417 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \
418 return (_s); })
419#define return_UINT8(s) ACPI_DO_WHILE0 ({ \
420 register u8 _s = (u8) (s); \
421 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \
422 return (_s); })
423#define return_UINT32(s) ACPI_DO_WHILE0 ({ \
424 register u32 _s = (u32) (s); \
425 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \
426 return (_s); })
427#else /* Use original less-safe macros */
428
429#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
430 acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, (s)); \
431 return((s)); })
432#define return_PTR(s) ACPI_DO_WHILE0 ({ \
433 acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \
434 return((s)); })
435#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
436 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) (s)); \
437 return((s)); })
438#define return_UINT8(s) return_VALUE(s)
439#define return_UINT32(s) return_VALUE(s)
440
441#endif /* ACPI_SIMPLE_RETURN_MACROS */
442
443#else /* !CONFIG_ACPI_DEBUG_FUNC_TRACE */
444
445#define ACPI_FUNCTION_TRACE(a)
446#define ACPI_FUNCTION_TRACE_PTR(a,b)
447#define ACPI_FUNCTION_TRACE_U32(a,b)
448#define ACPI_FUNCTION_TRACE_STR(a,b)
449#define ACPI_FUNCTION_EXIT
450#define ACPI_FUNCTION_STATUS_EXIT(s)
451#define ACPI_FUNCTION_VALUE_EXIT(s)
452#define ACPI_FUNCTION_TRACE(a)
453#define ACPI_FUNCTION_ENTRY()
454
455#define return_VOID return
456#define return_ACPI_STATUS(s) return(s)
457#define return_VALUE(s) return(s)
458#define return_UINT8(s) return(s)
459#define return_UINT32(s) return(s)
460#define return_PTR(s) return(s)
461
462#endif /* CONFIG_ACPI_DEBUG_FUNC_TRACE */
463
464/* Conditional execution */
465
466#define ACPI_DEBUG_EXEC(a) a
467#define ACPI_NORMAL_EXEC(a)
468
469#define ACPI_DEBUG_DEFINE(a) a;
470#define ACPI_DEBUG_ONLY_MEMBERS(a) a;
471#define _VERBOSE_STRUCTURES
472
473/* Stack and buffer dumping */
474
475#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0)
476#define ACPI_DUMP_OPERANDS(a, b, c) acpi_ex_dump_operands(a, b, c)
477
478#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b)
479#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d)
480#define ACPI_DUMP_RESOURCE_LIST(a) acpi_rs_dump_resource_list(a)
481#define ACPI_DUMP_BUFFER(a, b) acpi_ut_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
482
483#else
484/*
485 * This is the non-debug case -- make everything go away,
486 * leaving no executable debug code!
487 */
488#define ACPI_DEBUG_EXEC(a)
489#define ACPI_NORMAL_EXEC(a) a;
490
491#define ACPI_DEBUG_DEFINE(a) do { } while(0)
492#define ACPI_DEBUG_ONLY_MEMBERS(a) do { } while(0)
493#define ACPI_FUNCTION_TRACE(a) do { } while(0)
494#define ACPI_FUNCTION_TRACE_PTR(a, b) do { } while(0)
495#define ACPI_FUNCTION_TRACE_U32(a, b) do { } while(0)
496#define ACPI_FUNCTION_TRACE_STR(a, b) do { } while(0)
497#define ACPI_FUNCTION_EXIT do { } while(0)
498#define ACPI_FUNCTION_STATUS_EXIT(s) do { } while(0)
499#define ACPI_FUNCTION_VALUE_EXIT(s) do { } while(0)
500#define ACPI_FUNCTION_ENTRY() do { } while(0)
501#define ACPI_DUMP_STACK_ENTRY(a) do { } while(0)
502#define ACPI_DUMP_OPERANDS(a, b, c) do { } while(0)
503#define ACPI_DUMP_ENTRY(a, b) do { } while(0)
504#define ACPI_DUMP_TABLES(a, b) do { } while(0)
505#define ACPI_DUMP_PATHNAME(a, b, c, d) do { } while(0)
506#define ACPI_DUMP_RESOURCE_LIST(a) do { } while(0)
507#define ACPI_DUMP_BUFFER(a, b) do { } while(0)
508
509#define return_VOID return
510#define return_ACPI_STATUS(s) return(s)
511#define return_VALUE(s) return(s)
512#define return_UINT8(s) return(s)
513#define return_UINT32(s) return(s)
514#define return_PTR(s) return(s)
515
516#endif /* ACPI_DEBUG_OUTPUT */
517
518/*
519 * Some code only gets executed when the debugger is built in.
520 * Note that this is entirely independent of whether the
521 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
522 */
523#ifdef ACPI_DEBUGGER
524#define ACPI_DEBUGGER_EXEC(a) a
525#else
526#define ACPI_DEBUGGER_EXEC(a)
527#endif
528
529#ifdef ACPI_DEBUG_OUTPUT
530/*
531 * 1) Set name to blanks
532 * 2) Copy the object name
533 */
534#define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\
535 ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name))
536#else
537
538#define ACPI_ADD_OBJECT_NAME(a,b)
539#endif
540
541/*
542 * Memory allocation tracking (DEBUG ONLY)
543 */
544#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__
545
546#ifndef ACPI_DBG_TRACK_ALLOCATIONS
547
548/* Memory allocation */
549
550#ifndef ACPI_ALLOCATE
551#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a), ACPI_MEM_PARAMETERS)
552#endif
553#ifndef ACPI_ALLOCATE_ZEROED
554#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size)(a), ACPI_MEM_PARAMETERS)
555#endif
556#ifndef ACPI_FREE
557#define ACPI_FREE(a) acpio_os_free(a)
558#endif
559#define ACPI_MEM_TRACKING(a)
560
561#else
562
563/* Memory allocation */
564
565#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS)
566#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS)
567#define ACPI_FREE(a) acpi_ut_free_and_track(a, ACPI_MEM_PARAMETERS)
568#define ACPI_MEM_TRACKING(a) a
569
570#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
571
572/* Preemption point */
573#ifndef ACPI_PREEMPTION_POINT
574#define ACPI_PREEMPTION_POINT() /* no preemption */
575#endif
576
577#endif /* ACMACROS_H */
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