xref: /illumos-gate/usr/src/uts/intel/sys/acpi/acmacros.h (revision f2ba9e96867935dc624ece52573c174612f72825)
1 /******************************************************************************
2  *
3  * Name: acmacros.h - C macros for the entire subsystem.
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights.  You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code.  No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision.  In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change.  Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee.  Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution.  In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government.  In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************/
115 
116 #ifndef __ACMACROS_H__
117 #define __ACMACROS_H__
118 
119 
120 /*
121  * Extract data using a pointer. Any more than a byte and we
122  * get into potential aligment issues -- see the STORE macros below.
123  * Use with care.
124  */
125 #define ACPI_GET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
126 #define ACPI_GET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
127 #define ACPI_GET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
128 #define ACPI_GET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
129 #define ACPI_SET8(ptr)                  *ACPI_CAST_PTR (UINT8, ptr)
130 #define ACPI_SET16(ptr)                 *ACPI_CAST_PTR (UINT16, ptr)
131 #define ACPI_SET32(ptr)                 *ACPI_CAST_PTR (UINT32, ptr)
132 #define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (UINT64, ptr)
133 
134 /*
135  * printf() format helpers
136  */
137 
138 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
139 
140 #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
141 
142 #if ACPI_MACHINE_WIDTH == 64
143 #define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
144 #else
145 #define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
146 #endif
147 
148 
149 /*
150  * Macros for moving data around to/from buffers that are possibly unaligned.
151  * If the hardware supports the transfer of unaligned data, just do the store.
152  * Otherwise, we have to move one byte at a time.
153  */
154 #ifdef ACPI_BIG_ENDIAN
155 /*
156  * Macros for big-endian machines
157  */
158 
159 /* These macros reverse the bytes during the move, converting little-endian to big endian */
160 
161                                                      /* Big Endian      <==        Little Endian */
162                                                      /*  Hi...Lo                     Lo...Hi     */
163 /* 16-bit source, 16/32/64 destination */
164 
165 #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
166                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
167 
168 #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
169                                            ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
170                                            ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
171 
172 #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
173                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
174                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
175 
176 /* 32-bit source, 16/32/64 destination */
177 
178 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
179 
180 #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
181                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
182                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
183                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
184 
185 #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
186                                            ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
187                                            ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
188                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
189                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
190 
191 /* 64-bit source, 16/32/64 destination */
192 
193 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
194 
195 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
196 
197 #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
198                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
199                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
200                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
201                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
202                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
203                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
204                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
205 #else
206 /*
207  * Macros for little-endian machines
208  */
209 
210 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
211 
212 /* The hardware supports unaligned transfers, just do the little-endian move */
213 
214 /* 16-bit source, 16/32/64 destination */
215 
216 #define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
217 #define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
218 #define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
219 
220 /* 32-bit source, 16/32/64 destination */
221 
222 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
223 #define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
224 #define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
225 
226 /* 64-bit source, 16/32/64 destination */
227 
228 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
229 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
230 #define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
231 
232 #else
233 /*
234  * The hardware does not support unaligned transfers. We must move the
235  * data one byte at a time. These macros work whether the source or
236  * the destination (or both) is/are unaligned. (Little-endian move)
237  */
238 
239 /* 16-bit source, 16/32/64 destination */
240 
241 #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
242                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
243 
244 #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
245 #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
246 
247 /* 32-bit source, 16/32/64 destination */
248 
249 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
250 
251 #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
252                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
253                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
254                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
255 
256 #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
257 
258 /* 64-bit source, 16/32/64 destination */
259 
260 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
261 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
262 #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
263                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
264                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
265                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
266                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
267                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
268                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
269                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
270 #endif
271 #endif
272 
273 
274 /*
275  * Fast power-of-two math macros for non-optimized compilers
276  */
277 #define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
278 #define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
279 #define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
280 
281 #define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
282 #define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
283 #define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
284 
285 #define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
286 #define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
287 #define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
288 
289 #define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
290 #define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
291 #define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
292 
293 #define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
294 #define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
295 #define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
296 
297 #define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
298 #define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
299 #define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
300 
301 /*
302  * Rounding macros (Power of two boundaries only)
303  */
304 #define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
305                                                 (~(((ACPI_SIZE) boundary)-1)))
306 
307 #define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
308                                                 (((ACPI_SIZE) boundary)-1)) & \
309                                                 (~(((ACPI_SIZE) boundary)-1)))
310 
311 /* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
312 
313 #define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
314 #define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
315 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
316 
317 #define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
318 #define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
319 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
320 
321 #define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
322 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
323 
324 #define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
325 
326 /* Generic (non-power-of-two) rounding */
327 
328 #define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
329 
330 #define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
331 
332 /*
333  * Bitmask creation
334  * Bit positions start at zero.
335  * MASK_BITS_ABOVE creates a mask starting AT the position and above
336  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
337  */
338 #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_INTEGER_MAX) << ((UINT32) (position))))
339 #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_INTEGER_MAX) << ((UINT32) (position)))
340 
341 /* Bitfields within ACPI registers */
342 
343 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
344 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
345 
346 #define ACPI_INSERT_BITS(Target, Mask, Source)          Target = ((Target & (~(Mask))) | (Source & Mask))
347 
348 /*
349  * An ACPI_NAMESPACE_NODE can appear in some contexts
350  * where a pointer to an ACPI_OPERAND_OBJECT can also
351  * appear. This macro is used to distinguish them.
352  *
353  * The "Descriptor" field is the first field in both structures.
354  */
355 #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
356 #define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
357 
358 /*
359  * Macros for the master AML opcode table
360  */
361 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
362 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
363     {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
364 #else
365 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
366     {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
367 #endif
368 
369 #define ARG_TYPE_WIDTH                  5
370 #define ARG_1(x)                        ((UINT32)(x))
371 #define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
372 #define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
373 #define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
374 #define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
375 #define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
376 
377 #define ARGI_LIST1(a)                   (ARG_1(a))
378 #define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
379 #define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
380 #define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
381 #define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
382 #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))
383 
384 #define ARGP_LIST1(a)                   (ARG_1(a))
385 #define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
386 #define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
387 #define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
388 #define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
389 #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))
390 
391 #define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
392 #define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
393 
394 /*
395  * Ascii error messages can be configured out
396  */
397 #ifndef ACPI_NO_ERROR_MESSAGES
398 /*
399  * Error reporting. Callers module and line number are inserted by AE_INFO,
400  * the plist contains a set of parens to allow variable-length lists.
401  * These macros are used for both the debug and non-debug versions of the code.
402  */
403 #define ACPI_ERROR_NAMESPACE(s, e)      AcpiNsReportError (AE_INFO, s, e);
404 #define ACPI_ERROR_METHOD(s, n, p, e)   AcpiNsReportMethodError (AE_INFO, s, n, p, e);
405 #define ACPI_WARN_PREDEFINED(plist)     AcpiUtPredefinedWarning plist
406 #define ACPI_INFO_PREDEFINED(plist)     AcpiUtPredefinedInfo plist
407 
408 #else
409 
410 /* No error messages */
411 
412 #define ACPI_ERROR_NAMESPACE(s, e)
413 #define ACPI_ERROR_METHOD(s, n, p, e)
414 #define ACPI_WARN_PREDEFINED(plist)
415 #define ACPI_INFO_PREDEFINED(plist)
416 
417 #endif /* ACPI_NO_ERROR_MESSAGES */
418 
419 /*
420  * Debug macros that are conditionally compiled
421  */
422 #ifdef ACPI_DEBUG_OUTPUT
423 /*
424  * Function entry tracing
425  */
426 #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
427                                             AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
428 #define ACPI_FUNCTION_TRACE_PTR(a, b)   ACPI_FUNCTION_NAME(a) \
429                                             AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS, (void *)b)
430 #define ACPI_FUNCTION_TRACE_U32(a, b)   ACPI_FUNCTION_NAME(a) \
431                                             AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS, (UINT32)b)
432 #define ACPI_FUNCTION_TRACE_STR(a, b)   ACPI_FUNCTION_NAME(a) \
433                                             AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS, (char *)b)
434 
435 #define ACPI_FUNCTION_ENTRY()           AcpiUtTrackStackPtr()
436 
437 /*
438  * Function exit tracing.
439  * WARNING: These macros include a return statement. This is usually considered
440  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
441  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
442  * so that "_AcpiFunctionName" is defined.
443  *
444  * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
445  * about these constructs.
446  */
447 #ifdef ACPI_USE_DO_WHILE_0
448 #define ACPI_DO_WHILE0(a)               do a while(0)
449 #else
450 #define ACPI_DO_WHILE0(a)               a
451 #endif
452 
453 #define return_VOID                     ACPI_DO_WHILE0 ({ \
454                                             AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
455                                             return;})
456 /*
457  * There are two versions of most of the return macros. The default version is
458  * safer, since it avoids side-effects by guaranteeing that the argument will
459  * not be evaluated twice.
460  *
461  * A less-safe version of the macros is provided for optional use if the
462  * compiler uses excessive CPU stack (for example, this may happen in the
463  * debug case if code optimzation is disabled.)
464  */
465 #ifndef ACPI_SIMPLE_RETURN_MACROS
466 
467 #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
468                                             register ACPI_STATUS _s = (s); \
469                                             AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
470                                             return (_s); })
471 #define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
472                                             register void *_s = (void *) (s); \
473                                             AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
474                                             return (_s); })
475 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
476                                             register ACPI_INTEGER _s = (s); \
477                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
478                                             return (_s); })
479 #define return_UINT8(s)                 ACPI_DO_WHILE0 ({ \
480                                             register UINT8 _s = (UINT8) (s); \
481                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \
482                                             return (_s); })
483 #define return_UINT32(s)                ACPI_DO_WHILE0 ({ \
484                                             register UINT32 _s = (UINT32) (s); \
485                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \
486                                             return (_s); })
487 #else /* Use original less-safe macros */
488 
489 #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({ \
490                                             AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
491                                             return((s)); })
492 #define return_PTR(s)                   ACPI_DO_WHILE0 ({ \
493                                             AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
494                                             return((s)); })
495 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
496                                             AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) (s)); \
497                                             return((s)); })
498 #define return_UINT8(s)                 return_VALUE(s)
499 #define return_UINT32(s)                return_VALUE(s)
500 
501 #endif /* ACPI_SIMPLE_RETURN_MACROS */
502 
503 
504 /* Conditional execution */
505 
506 #define ACPI_DEBUG_EXEC(a)              a
507 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
508 #define _VERBOSE_STRUCTURES
509 
510 
511 /* Various object display routines for debug */
512 
513 #define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand((a), 0)
514 #define ACPI_DUMP_OPERANDS(a, b ,c)     AcpiExDumpOperands(a, b, c)
515 #define ACPI_DUMP_ENTRY(a, b)           AcpiNsDumpEntry (a, b)
516 #define ACPI_DUMP_PATHNAME(a, b, c, d)  AcpiNsDumpPathname(a, b, c, d)
517 #define ACPI_DUMP_BUFFER(a, b)          AcpiUtDumpBuffer((UINT8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
518 
519 #else
520 /*
521  * This is the non-debug case -- make everything go away,
522  * leaving no executable debug code!
523  */
524 #define ACPI_DEBUG_EXEC(a)
525 #define ACPI_DEBUG_ONLY_MEMBERS(a)
526 #define ACPI_FUNCTION_TRACE(a)
527 #define ACPI_FUNCTION_TRACE_PTR(a, b)
528 #define ACPI_FUNCTION_TRACE_U32(a, b)
529 #define ACPI_FUNCTION_TRACE_STR(a, b)
530 #define ACPI_FUNCTION_EXIT
531 #define ACPI_FUNCTION_STATUS_EXIT(s)
532 #define ACPI_FUNCTION_VALUE_EXIT(s)
533 #define ACPI_FUNCTION_ENTRY()
534 #define ACPI_DUMP_STACK_ENTRY(a)
535 #define ACPI_DUMP_OPERANDS(a, b, c)
536 #define ACPI_DUMP_ENTRY(a, b)
537 #define ACPI_DUMP_TABLES(a, b)
538 #define ACPI_DUMP_PATHNAME(a, b, c, d)
539 #define ACPI_DUMP_BUFFER(a, b)
540 #define ACPI_DEBUG_PRINT(pl)
541 #define ACPI_DEBUG_PRINT_RAW(pl)
542 
543 #define return_VOID                     return
544 #define return_ACPI_STATUS(s)           return(s)
545 #define return_VALUE(s)                 return(s)
546 #define return_UINT8(s)                 return(s)
547 #define return_UINT32(s)                return(s)
548 #define return_PTR(s)                   return(s)
549 
550 #endif /* ACPI_DEBUG_OUTPUT */
551 
552 /*
553  * Some code only gets executed when the debugger is built in.
554  * Note that this is entirely independent of whether the
555  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
556  */
557 #ifdef ACPI_DEBUGGER
558 #define ACPI_DEBUGGER_EXEC(a)           a
559 #else
560 #define ACPI_DEBUGGER_EXEC(a)
561 #endif
562 
563 
564 /*
565  * Memory allocation tracking (DEBUG ONLY)
566  */
567 #define ACPI_MEM_PARAMETERS         _COMPONENT, _AcpiModuleName, __LINE__
568 
569 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
570 
571 /* Memory allocation */
572 
573 #define ACPI_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
574 #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
575 #define ACPI_FREE(a)                AcpiOsFree(a)
576 #define ACPI_MEM_TRACKING(a)
577 
578 #else
579 
580 /* Memory allocation */
581 
582 #define ACPI_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
583 #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
584 #define ACPI_FREE(a)                AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS)
585 #define ACPI_MEM_TRACKING(a)        a
586 
587 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
588 
589 
590 /*
591  * Macros used for ACPICA utilities only
592  */
593 
594 /* Generate a UUID */
595 
596 #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
597     (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
598     (b) & 0xFF, ((b) >> 8) & 0xFF, \
599     (c) & 0xFF, ((c) >> 8) & 0xFF, \
600     (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
601 
602 #define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
603 
604 
605 #endif /* ACMACROS_H */
606