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[linux-2.6] / include / acpi / acmacros.h
1 /******************************************************************************
2  *
3  * Name: acmacros.h - C macros for the entire subsystem.
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2005, R. Byron Moore
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  * Data manipulation macros
49  */
50 #define ACPI_LOWORD(l)                  ((u16)(u32)(l))
51 #define ACPI_HIWORD(l)                  ((u16)((((u32)(l)) >> 16) & 0xFFFF))
52 #define ACPI_LOBYTE(l)                  ((u8)(u16)(l))
53 #define ACPI_HIBYTE(l)                  ((u8)((((u16)(l)) >> 8) & 0xFF))
54
55 #define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
56 #define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
57 #define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
58
59 #if ACPI_MACHINE_WIDTH == 16
60
61 /*
62  * For 16-bit addresses, we have to assume that the upper 32 bits
63  * are zero.
64  */
65 #define ACPI_LODWORD(l)                 ((u32)(l))
66 #define ACPI_HIDWORD(l)                 ((u32)(0))
67
68 #define ACPI_GET_ADDRESS(a)             ((a).lo)
69 #define ACPI_STORE_ADDRESS(a,b)         {(a).hi=0;(a).lo=(u32)(b);}
70 #define ACPI_VALID_ADDRESS(a)           ((a).hi | (a).lo)
71
72 #else
73 #ifdef ACPI_NO_INTEGER64_SUPPORT
74 /*
75  * acpi_integer is 32-bits, no 64-bit support on this platform
76  */
77 #define ACPI_LODWORD(l)                 ((u32)(l))
78 #define ACPI_HIDWORD(l)                 ((u32)(0))
79
80 #define ACPI_GET_ADDRESS(a)             (a)
81 #define ACPI_STORE_ADDRESS(a,b)         ((a)=(b))
82 #define ACPI_VALID_ADDRESS(a)           (a)
83
84 #else
85
86 /*
87  * Full 64-bit address/integer on both 32-bit and 64-bit platforms
88  */
89 #define ACPI_LODWORD(l)                 ((u32)(u64)(l))
90 #define ACPI_HIDWORD(l)                 ((u32)(((*(struct uint64_struct *)(void *)(&l))).hi))
91
92 #define ACPI_GET_ADDRESS(a)             (a)
93 #define ACPI_STORE_ADDRESS(a,b)         ((a)=(acpi_physical_address)(b))
94 #define ACPI_VALID_ADDRESS(a)           (a)
95 #endif
96 #endif
97
98 /*
99  * printf() format helpers
100  */
101
102 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
103
104 #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i),ACPI_LODWORD(i)
105
106 /*
107  * Extract a byte of data using a pointer.  Any more than a byte and we
108  * get into potential aligment issues -- see the STORE macros below
109  */
110 #define ACPI_GET8(addr)                 (*(u8*)(addr))
111
112 /* Pointer arithmetic */
113
114 #define ACPI_PTR_ADD(t,a,b)             (t *) (void *)((char *)(a) + (acpi_native_uint)(b))
115 #define ACPI_PTR_DIFF(a,b)              (acpi_native_uint) ((char *)(a) - (char *)(b))
116
117 /* Pointer/Integer type conversions */
118
119 #define ACPI_TO_POINTER(i)              ACPI_PTR_ADD (void, (void *) NULL,(acpi_native_uint)i)
120 #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
121 #define ACPI_OFFSET(d,f)                (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
122 #define ACPI_FADT_OFFSET(f)             ACPI_OFFSET (FADT_DESCRIPTOR, f)
123
124 #define ACPI_CAST_PTR(t, p)             ((t *)(void *)(p))
125 #define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **)(void *)(p))
126
127 #if ACPI_MACHINE_WIDTH == 16
128 #define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_32_TO_32(d,s)
129 #define ACPI_PHYSADDR_TO_PTR(i)         (void *)(i)
130 #define ACPI_PTR_TO_PHYSADDR(i)         (u32) (char *)(i)
131 #else
132 #define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
133 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
134 #endif
135
136 /*
137  * Macros for moving data around to/from buffers that are possibly unaligned.
138  * If the hardware supports the transfer of unaligned data, just do the store.
139  * Otherwise, we have to move one byte at a time.
140  */
141 #ifdef ACPI_BIG_ENDIAN
142 /*
143  * Macros for big-endian machines
144  */
145
146 /* This macro sets a buffer index, starting from the end of the buffer */
147
148 #define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) ((buf_len) - (((buf_offset)+1) * (byte_gran)))
149
150 /* These macros reverse the bytes during the move, converting little-endian to big endian */
151
152          /* Big Endian      <==        Little Endian */
153          /*  Hi...Lo                     Lo...Hi     */
154 /* 16-bit source, 16/32/64 destination */
155
156 #define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
157                           ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
158
159 #define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d))=0;\
160                                           ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
161                                           ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
162
163 #define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
164                                                            ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
165                                                            ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
166
167 /* 32-bit source, 16/32/64 destination */
168
169 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
170
171 #define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
172                                                                           ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
173                                                                           ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
174                                                                           ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
175
176 #define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
177                                                                                    ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
178                                                                                    ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
179                                                                                    ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
180                                                                                    ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
181
182 /* 64-bit source, 16/32/64 destination */
183
184 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
185
186 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
187
188 #define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
189                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
190                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
191                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
192                                                                                  ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
193                                                                                  ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
194                                                                                  ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
195                                                                                  ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
196 #else
197 /*
198  * Macros for little-endian machines
199  */
200
201 /* This macro sets a buffer index, starting from the beginning of the buffer */
202
203 #define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) (buf_offset)
204
205 #ifdef ACPI_MISALIGNED_TRANSFERS
206
207 /* The hardware supports unaligned transfers, just do the little-endian move */
208
209 #if ACPI_MACHINE_WIDTH == 16
210
211 /* No 64-bit integers */
212 /* 16-bit source, 16/32/64 destination */
213
214 #define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
215 #define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
216 #define ACPI_MOVE_16_TO_64(d,s)         ACPI_MOVE_16_TO_32(d,s)
217
218 /* 32-bit source, 16/32/64 destination */
219
220 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
221 #define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
222 #define ACPI_MOVE_32_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,s)
223
224 /* 64-bit source, 16/32/64 destination */
225
226 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
227 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
228 #define ACPI_MOVE_64_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,s)
229
230 #else
231 /* 16-bit source, 16/32/64 destination */
232
233 #define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
234 #define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
235 #define ACPI_MOVE_16_TO_64(d,s)         *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
236
237 /* 32-bit source, 16/32/64 destination */
238
239 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
240 #define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
241 #define ACPI_MOVE_32_TO_64(d,s)         *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
242
243 /* 64-bit source, 16/32/64 destination */
244
245 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
246 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
247 #define ACPI_MOVE_64_TO_64(d,s)         *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
248 #endif
249
250 #else
251 /*
252  * The hardware does not support unaligned transfers.  We must move the
253  * data one byte at a time.  These macros work whether the source or
254  * the destination (or both) is/are unaligned.  (Little-endian move)
255  */
256
257 /* 16-bit source, 16/32/64 destination */
258
259 #define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
260                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
261
262 #define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
263 #define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
264
265 /* 32-bit source, 16/32/64 destination */
266
267 #define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
268
269 #define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
270                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
271                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
272                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
273
274 #define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}
275
276 /* 64-bit source, 16/32/64 destination */
277
278 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
279 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
280 #define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
281                                                                                  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
282                                                                                  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
283                                                                                  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
284                                                                                  ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
285                                                                                  ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
286                                                                                  ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
287                                                                                  ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
288 #endif
289 #endif
290
291 /* Macros based on machine integer width */
292
293 #if ACPI_MACHINE_WIDTH == 16
294 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_16_TO_16(d,s)
295
296 #elif ACPI_MACHINE_WIDTH == 32
297 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_32_TO_16(d,s)
298
299 #elif ACPI_MACHINE_WIDTH == 64
300 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_64_TO_16(d,s)
301
302 #else
303 #error unknown ACPI_MACHINE_WIDTH
304 #endif
305
306 /*
307  * Fast power-of-two math macros for non-optimized compilers
308  */
309 #define _ACPI_DIV(value,power_of2)      ((u32) ((value) >> (power_of2)))
310 #define _ACPI_MUL(value,power_of2)      ((u32) ((value) << (power_of2)))
311 #define _ACPI_MOD(value,divisor)        ((u32) ((value) & ((divisor) -1)))
312
313 #define ACPI_DIV_2(a)                   _ACPI_DIV(a,1)
314 #define ACPI_MUL_2(a)                   _ACPI_MUL(a,1)
315 #define ACPI_MOD_2(a)                   _ACPI_MOD(a,2)
316
317 #define ACPI_DIV_4(a)                   _ACPI_DIV(a,2)
318 #define ACPI_MUL_4(a)                   _ACPI_MUL(a,2)
319 #define ACPI_MOD_4(a)                   _ACPI_MOD(a,4)
320
321 #define ACPI_DIV_8(a)                   _ACPI_DIV(a,3)
322 #define ACPI_MUL_8(a)                   _ACPI_MUL(a,3)
323 #define ACPI_MOD_8(a)                   _ACPI_MOD(a,8)
324
325 #define ACPI_DIV_16(a)                  _ACPI_DIV(a,4)
326 #define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
327 #define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)
328
329 /*
330  * Rounding macros (Power of two boundaries only)
331  */
332 #define ACPI_ROUND_DOWN(value,boundary)      (((acpi_native_uint)(value)) & (~(((acpi_native_uint) boundary)-1)))
333 #define ACPI_ROUND_UP(value,boundary)        ((((acpi_native_uint)(value)) + (((acpi_native_uint) boundary)-1)) & (~(((acpi_native_uint) boundary)-1)))
334
335 #define ACPI_ROUND_DOWN_TO_32_BITS(a)        ACPI_ROUND_DOWN(a,4)
336 #define ACPI_ROUND_DOWN_TO_64_BITS(a)        ACPI_ROUND_DOWN(a,8)
337 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)    ACPI_ROUND_DOWN(a,ALIGNED_ADDRESS_BOUNDARY)
338
339 #define ACPI_ROUND_UP_to_32_bITS(a)          ACPI_ROUND_UP(a,4)
340 #define ACPI_ROUND_UP_to_64_bITS(a)          ACPI_ROUND_UP(a,8)
341 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)      ACPI_ROUND_UP(a,ALIGNED_ADDRESS_BOUNDARY)
342
343 #define ACPI_ROUND_BITS_UP_TO_BYTES(a)       ACPI_DIV_8((a) + 7)
344 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)     ACPI_DIV_8((a))
345
346 #define ACPI_ROUND_UP_TO_1K(a)               (((a) + 1023) >> 10)
347
348 /* Generic (non-power-of-two) rounding */
349
350 #define ACPI_ROUND_UP_TO(value,boundary)     (((value) + ((boundary)-1)) / (boundary))
351
352 /*
353  * Bitmask creation
354  * Bit positions start at zero.
355  * MASK_BITS_ABOVE creates a mask starting AT the position and above
356  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
357  */
358 #define ACPI_MASK_BITS_ABOVE(position)       (~((ACPI_INTEGER_MAX) << ((u32) (position))))
359 #define ACPI_MASK_BITS_BELOW(position)       ((ACPI_INTEGER_MAX) << ((u32) (position)))
360
361 #define ACPI_IS_OCTAL_DIGIT(d)               (((char)(d) >= '0') && ((char)(d) <= '7'))
362
363 /* Bitfields within ACPI registers */
364
365 #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask)      ((val << pos) & mask)
366 #define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val)  reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
367
368 /*
369  * An struct acpi_namespace_node * can appear in some contexts,
370  * where a pointer to an union acpi_operand_object    can also
371  * appear.  This macro is used to distinguish them.
372  *
373  * The "Descriptor" field is the first field in both structures.
374  */
375 #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((union acpi_descriptor *)(void *)(d))->descriptor_id)
376 #define ACPI_SET_DESCRIPTOR_TYPE(d,t)   (((union acpi_descriptor *)(void *)(d))->descriptor_id = t)
377
378 /* Macro to test the object type */
379
380 #define ACPI_GET_OBJECT_TYPE(d)         (((union acpi_operand_object *)(void *)(d))->common.type)
381
382 /* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */
383
384 #define ACPI_IS_SINGLE_TABLE(x)         (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)
385
386 /*
387  * Macros for the master AML opcode table
388  */
389 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
390 #define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {name,(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
391 #else
392 #define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
393 #endif
394
395 #ifdef ACPI_DISASSEMBLER
396 #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
397 #else
398 #define ACPI_DISASM_ONLY_MEMBERS(a)
399 #endif
400
401 #define ARG_TYPE_WIDTH                  5
402 #define ARG_1(x)                        ((u32)(x))
403 #define ARG_2(x)                        ((u32)(x) << (1 * ARG_TYPE_WIDTH))
404 #define ARG_3(x)                        ((u32)(x) << (2 * ARG_TYPE_WIDTH))
405 #define ARG_4(x)                        ((u32)(x) << (3 * ARG_TYPE_WIDTH))
406 #define ARG_5(x)                        ((u32)(x) << (4 * ARG_TYPE_WIDTH))
407 #define ARG_6(x)                        ((u32)(x) << (5 * ARG_TYPE_WIDTH))
408
409 #define ARGI_LIST1(a)                   (ARG_1(a))
410 #define ARGI_LIST2(a,b)                 (ARG_1(b)|ARG_2(a))
411 #define ARGI_LIST3(a,b,c)               (ARG_1(c)|ARG_2(b)|ARG_3(a))
412 #define ARGI_LIST4(a,b,c,d)             (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
413 #define ARGI_LIST5(a,b,c,d,e)           (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
414 #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))
415
416 #define ARGP_LIST1(a)                   (ARG_1(a))
417 #define ARGP_LIST2(a,b)                 (ARG_1(a)|ARG_2(b))
418 #define ARGP_LIST3(a,b,c)               (ARG_1(a)|ARG_2(b)|ARG_3(c))
419 #define ARGP_LIST4(a,b,c,d)             (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
420 #define ARGP_LIST5(a,b,c,d,e)           (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
421 #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))
422
423 #define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
424 #define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
425
426 /*
427  * Reporting macros that are never compiled out
428  */
429 #define ACPI_PARAM_LIST(pl)                 pl
430
431 /*
432  * Error reporting.  These versions add callers module and line#.
433  *
434  * Since _acpi_module_name gets compiled out when ACPI_DEBUG_OUTPUT
435  * isn't defined, only use it in debug mode.
436  */
437 #ifdef ACPI_DEBUG_OUTPUT
438
439 #define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info(_acpi_module_name,__LINE__,_COMPONENT); \
440                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
441 #define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error(_acpi_module_name,__LINE__,_COMPONENT); \
442                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
443 #define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning(_acpi_module_name,__LINE__,_COMPONENT); \
444                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
445 #define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error(_acpi_module_name,__LINE__,_COMPONENT, s, e);
446
447 #define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error(_acpi_module_name,__LINE__,_COMPONENT, s, n, p, e);
448
449 #else
450
451 #define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info("ACPI",__LINE__,_COMPONENT); \
452                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
453 #define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error("ACPI",__LINE__,_COMPONENT); \
454                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
455 #define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning("ACPI",__LINE__,_COMPONENT); \
456                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
457 #define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error("ACPI",__LINE__,_COMPONENT, s, e);
458
459 #define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error("ACPI",__LINE__,_COMPONENT, s, n, p, e);
460
461 #endif
462
463 /* Error reporting.  These versions pass thru the module and line# */
464
465 #define _ACPI_REPORT_INFO(a,b,c,fp)         {acpi_ut_report_info(a,b,c); \
466                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
467 #define _ACPI_REPORT_ERROR(a,b,c,fp)        {acpi_ut_report_error(a,b,c); \
468                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
469 #define _ACPI_REPORT_WARNING(a,b,c,fp)      {acpi_ut_report_warning(a,b,c); \
470                                                                                                 acpi_os_printf ACPI_PARAM_LIST(fp);}
471
472 /*
473  * Debug macros that are conditionally compiled
474  */
475 #ifdef ACPI_DEBUG_OUTPUT
476 #define ACPI_MODULE_NAME(name)          static char ACPI_UNUSED_VAR *_acpi_module_name = name;
477
478 /*
479  * Common parameters used for debug output functions:
480  * line number, function name, module(file) name, component ID
481  */
482 #define ACPI_DEBUG_PARAMETERS           __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
483
484 /*
485  * Function entry tracing
486  */
487
488 /*
489  * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
490  * define it now. This is the case where there the compiler does not support
491  * a __FUNCTION__ macro or equivalent. We save the function name on the
492  * local stack.
493  */
494 #ifndef ACPI_GET_FUNCTION_NAME
495 #define ACPI_GET_FUNCTION_NAME          _acpi_function_name
496 /*
497  * The Name parameter should be the procedure name as a quoted string.
498  * This is declared as a local string ("my_function_name") so that it can
499  * be also used by the function exit macros below.
500  * Note: (const char) is used to be compatible with the debug interfaces
501  * and macros such as __FUNCTION__.
502  */
503 #define ACPI_FUNCTION_NAME(name)        const char *_acpi_function_name = name;
504
505 #else
506 /* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
507
508 #define ACPI_FUNCTION_NAME(name)
509 #endif
510
511 #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
512                                                                                         acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
513 #define ACPI_FUNCTION_TRACE_PTR(a,b)    ACPI_FUNCTION_NAME(a) \
514                                                                                         acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
515 #define ACPI_FUNCTION_TRACE_U32(a,b)    ACPI_FUNCTION_NAME(a) \
516                                                                                         acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b)
517 #define ACPI_FUNCTION_TRACE_STR(a,b)    ACPI_FUNCTION_NAME(a) \
518                                                                                         acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b)
519
520 #define ACPI_FUNCTION_ENTRY()           acpi_ut_track_stack_ptr()
521
522 /*
523  * Function exit tracing.
524  * WARNING: These macros include a return statement.  This is usually considered
525  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
526  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
527  * so that "_acpi_function_name" is defined.
528  */
529 #ifdef ACPI_USE_DO_WHILE_0
530 #define ACPI_DO_WHILE0(a)               do a while(0)
531 #else
532 #define ACPI_DO_WHILE0(a)               a
533 #endif
534
535 #define return_VOID                     ACPI_DO_WHILE0 ({acpi_ut_exit(ACPI_DEBUG_PARAMETERS);return;})
536 #define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({acpi_ut_status_exit(ACPI_DEBUG_PARAMETERS,(s));return((s));})
537 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({acpi_ut_value_exit(ACPI_DEBUG_PARAMETERS,(acpi_integer)(s));return((s));})
538 #define return_PTR(s)                   ACPI_DO_WHILE0 ({acpi_ut_ptr_exit(ACPI_DEBUG_PARAMETERS,(u8 *)(s));return((s));})
539
540 /* Conditional execution */
541
542 #define ACPI_DEBUG_EXEC(a)              a
543 #define ACPI_NORMAL_EXEC(a)
544
545 #define ACPI_DEBUG_DEFINE(a)            a;
546 #define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
547 #define _VERBOSE_STRUCTURES
548
549 /* Stack and buffer dumping */
550
551 #define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a),0)
552 #define ACPI_DUMP_OPERANDS(a,b,c,d,e)   acpi_ex_dump_operands(a,b,c,d,e,_acpi_module_name,__LINE__)
553
554 #define ACPI_DUMP_ENTRY(a,b)            acpi_ns_dump_entry (a,b)
555 #define ACPI_DUMP_PATHNAME(a,b,c,d)     acpi_ns_dump_pathname(a,b,c,d)
556 #define ACPI_DUMP_RESOURCE_LIST(a)      acpi_rs_dump_resource_list(a)
557 #define ACPI_DUMP_BUFFER(a,b)           acpi_ut_dump_buffer((u8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
558 #define ACPI_BREAK_MSG(a)               acpi_os_signal (ACPI_SIGNAL_BREAKPOINT,(a))
559
560 /*
561  * Generate INT3 on ACPI_ERROR (Debug only!)
562  */
563 #define ACPI_ERROR_BREAK
564 #ifdef  ACPI_ERROR_BREAK
565 #define ACPI_BREAK_ON_ERROR(lvl)        if ((lvl)&ACPI_ERROR) \
566                                                                                         acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,"Fatal error encountered\n")
567 #else
568 #define ACPI_BREAK_ON_ERROR(lvl)
569 #endif
570
571 /*
572  * Master debug print macros
573  * Print iff:
574  *    1) Debug print for the current component is enabled
575  *    2) Debug error level or trace level for the print statement is enabled
576  */
577 #define ACPI_DEBUG_PRINT(pl)            acpi_ut_debug_print ACPI_PARAM_LIST(pl)
578 #define ACPI_DEBUG_PRINT_RAW(pl)        acpi_ut_debug_print_raw ACPI_PARAM_LIST(pl)
579
580 #else
581 /*
582  * This is the non-debug case -- make everything go away,
583  * leaving no executable debug code!
584  */
585 #define ACPI_MODULE_NAME(name)
586 #define _acpi_module_name ""
587
588 #define ACPI_DEBUG_EXEC(a)
589 #define ACPI_NORMAL_EXEC(a)             a;
590
591 #define ACPI_DEBUG_DEFINE(a)
592 #define ACPI_DEBUG_ONLY_MEMBERS(a)
593 #define ACPI_FUNCTION_NAME(a)
594 #define ACPI_FUNCTION_TRACE(a)
595 #define ACPI_FUNCTION_TRACE_PTR(a,b)
596 #define ACPI_FUNCTION_TRACE_U32(a,b)
597 #define ACPI_FUNCTION_TRACE_STR(a,b)
598 #define ACPI_FUNCTION_EXIT
599 #define ACPI_FUNCTION_STATUS_EXIT(s)
600 #define ACPI_FUNCTION_VALUE_EXIT(s)
601 #define ACPI_FUNCTION_ENTRY()
602 #define ACPI_DUMP_STACK_ENTRY(a)
603 #define ACPI_DUMP_OPERANDS(a,b,c,d,e)
604 #define ACPI_DUMP_ENTRY(a,b)
605 #define ACPI_DUMP_PATHNAME(a,b,c,d)
606 #define ACPI_DUMP_RESOURCE_LIST(a)
607 #define ACPI_DUMP_BUFFER(a,b)
608 #define ACPI_DEBUG_PRINT(pl)
609 #define ACPI_DEBUG_PRINT_RAW(pl)
610 #define ACPI_BREAK_MSG(a)
611
612 #define return_VOID                     return
613 #define return_ACPI_STATUS(s)           return(s)
614 #define return_VALUE(s)                 return(s)
615 #define return_PTR(s)                   return(s)
616
617 #endif
618
619 /*
620  * Some code only gets executed when the debugger is built in.
621  * Note that this is entirely independent of whether the
622  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
623  */
624 #ifdef ACPI_DEBUGGER
625 #define ACPI_DEBUGGER_EXEC(a)           a
626 #else
627 #define ACPI_DEBUGGER_EXEC(a)
628 #endif
629
630 /*
631  * For 16-bit code, we want to shrink some things even though
632  * we are using ACPI_DEBUG_OUTPUT to get the debug output
633  */
634 #if ACPI_MACHINE_WIDTH == 16
635 #undef ACPI_DEBUG_ONLY_MEMBERS
636 #undef _VERBOSE_STRUCTURES
637 #define ACPI_DEBUG_ONLY_MEMBERS(a)
638 #endif
639
640 #ifdef ACPI_DEBUG_OUTPUT
641 /*
642  * 1) Set name to blanks
643  * 2) Copy the object name
644  */
645 #define ACPI_ADD_OBJECT_NAME(a,b)       ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\
646                                                                                 ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name))
647 #else
648
649 #define ACPI_ADD_OBJECT_NAME(a,b)
650 #endif
651
652 /*
653  * Memory allocation tracking (DEBUG ONLY)
654  */
655 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
656
657 /* Memory allocation */
658
659 #define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
660 #define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
661 #define ACPI_MEM_FREE(a)                acpi_os_free(a)
662 #define ACPI_MEM_TRACKING(a)
663
664 #else
665
666 /* Memory allocation */
667
668 #define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
669 #define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
670 #define ACPI_MEM_FREE(a)                acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__)
671 #define ACPI_MEM_TRACKING(a)            a
672
673 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */
674
675 #endif                          /* ACMACROS_H */