acmacros.h revision 278970
1/******************************************************************************
2 *
3 * Name: acmacros.h - C macros for the entire subsystem.
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2015, 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_CAST8(ptr)                 ACPI_CAST_PTR (UINT8, (ptr))
54#define ACPI_CAST16(ptr)                ACPI_CAST_PTR (UINT16, (ptr))
55#define ACPI_CAST32(ptr)                ACPI_CAST_PTR (UINT32, (ptr))
56#define ACPI_CAST64(ptr)                ACPI_CAST_PTR (UINT64, (ptr))
57#define ACPI_GET8(ptr)                  (*ACPI_CAST8 (ptr))
58#define ACPI_GET16(ptr)                 (*ACPI_CAST16 (ptr))
59#define ACPI_GET32(ptr)                 (*ACPI_CAST32 (ptr))
60#define ACPI_GET64(ptr)                 (*ACPI_CAST64 (ptr))
61#define ACPI_SET8(ptr, val)             (*ACPI_CAST8 (ptr) = (UINT8) (val))
62#define ACPI_SET16(ptr, val)            (*ACPI_CAST16 (ptr) = (UINT16) (val))
63#define ACPI_SET32(ptr, val)            (*ACPI_CAST32 (ptr) = (UINT32) (val))
64#define ACPI_SET64(ptr, val)            (*ACPI_CAST64 (ptr) = (UINT64) (val))
65
66/*
67 * printf() format helpers. These macros are workarounds for the difficulties
68 * with emitting 64-bit integers and 64-bit pointers with the same code
69 * for both 32-bit and 64-bit hosts.
70 */
71#define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
72
73#if ACPI_MACHINE_WIDTH == 64
74#define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
75#define ACPI_FORMAT_TO_UINT(i)          ACPI_FORMAT_UINT64(i)
76#define ACPI_PRINTF_UINT                 "0x%8.8X%8.8X"
77
78#else
79#define ACPI_FORMAT_NATIVE_UINT(i)      0, (UINT32) (i)
80#define ACPI_FORMAT_TO_UINT(i)          (UINT32) (i)
81#define ACPI_PRINTF_UINT                 "0x%8.8X"
82#endif
83
84
85/*
86 * Macros for moving data around to/from buffers that are possibly unaligned.
87 * If the hardware supports the transfer of unaligned data, just do the store.
88 * Otherwise, we have to move one byte at a time.
89 */
90#ifdef ACPI_BIG_ENDIAN
91/*
92 * Macros for big-endian machines
93 */
94
95/* These macros reverse the bytes during the move, converting little-endian to big endian */
96
97                                                     /* Big Endian      <==        Little Endian */
98                                                     /*  Hi...Lo                     Lo...Hi     */
99/* 16-bit source, 16/32/64 destination */
100
101#define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
102                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
103
104#define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
105                                           ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
106                                           ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
107
108#define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
109                                           ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
110                                           ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
111
112/* 32-bit source, 16/32/64 destination */
113
114#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
115
116#define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
117                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
118                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
119                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
120
121#define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
122                                           ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
123                                           ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
124                                           ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
125                                           ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
126
127/* 64-bit source, 16/32/64 destination */
128
129#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
130
131#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
132
133#define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
134                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
135                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
136                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
137                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
138                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
139                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
140                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
141#else
142/*
143 * Macros for little-endian machines
144 */
145
146#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
147
148/* The hardware supports unaligned transfers, just do the little-endian move */
149
150/* 16-bit source, 16/32/64 destination */
151
152#define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
153#define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
154#define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
155
156/* 32-bit source, 16/32/64 destination */
157
158#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
159#define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
160#define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
161
162/* 64-bit source, 16/32/64 destination */
163
164#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
165#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
166#define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
167
168#else
169/*
170 * The hardware does not support unaligned transfers. We must move the
171 * data one byte at a time. These macros work whether the source or
172 * the destination (or both) is/are unaligned. (Little-endian move)
173 */
174
175/* 16-bit source, 16/32/64 destination */
176
177#define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
178                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
179
180#define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
181#define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
182
183/* 32-bit source, 16/32/64 destination */
184
185#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
186
187#define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
188                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
189                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
190                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
191
192#define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
193
194/* 64-bit source, 16/32/64 destination */
195
196#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
197#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
198#define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
199                                         ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
200                                         ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
201                                         ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
202                                         ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
203                                         ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
204                                         ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
205                                         ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
206#endif
207#endif
208
209
210/*
211 * Fast power-of-two math macros for non-optimized compilers
212 */
213#define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
214#define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
215#define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
216
217#define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
218#define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
219#define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
220
221#define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
222#define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
223#define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
224
225#define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
226#define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
227#define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
228
229#define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
230#define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
231#define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
232
233#define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
234#define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
235#define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
236
237/*
238 * Rounding macros (Power of two boundaries only)
239 */
240#define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
241                                                (~(((ACPI_SIZE) boundary)-1)))
242
243#define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
244                                                (((ACPI_SIZE) boundary)-1)) & \
245                                                (~(((ACPI_SIZE) boundary)-1)))
246
247/* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
248
249#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
250#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
251#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
252
253#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
254#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
255#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
256
257#define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
258#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
259
260#define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
261
262/* Generic (non-power-of-two) rounding */
263
264#define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
265
266#define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
267
268/*
269 * Bitmask creation
270 * Bit positions start at zero.
271 * MASK_BITS_ABOVE creates a mask starting AT the position and above
272 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
273 */
274#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((UINT32) (position))))
275#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((UINT32) (position)))
276
277/* Bitfields within ACPI registers */
278
279#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) \
280    ((Val << Pos) & Mask)
281
282#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) \
283    Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
284
285#define ACPI_INSERT_BITS(Target, Mask, Source) \
286    Target = ((Target & (~(Mask))) | (Source & Mask))
287
288/* Generic bitfield macros and masks */
289
290#define ACPI_GET_BITS(SourcePtr, Position, Mask) \
291    ((*SourcePtr >> Position) & Mask)
292
293#define ACPI_SET_BITS(TargetPtr, Position, Mask, Value) \
294    (*TargetPtr |= ((Value & Mask) << Position))
295
296#define ACPI_1BIT_MASK      0x00000001
297#define ACPI_2BIT_MASK      0x00000003
298#define ACPI_3BIT_MASK      0x00000007
299#define ACPI_4BIT_MASK      0x0000000F
300#define ACPI_5BIT_MASK      0x0000001F
301#define ACPI_6BIT_MASK      0x0000003F
302#define ACPI_7BIT_MASK      0x0000007F
303#define ACPI_8BIT_MASK      0x000000FF
304#define ACPI_16BIT_MASK     0x0000FFFF
305#define ACPI_24BIT_MASK     0x00FFFFFF
306
307/* Macros to extract flag bits from position zero */
308
309#define ACPI_GET_1BIT_FLAG(Value)                   ((Value) & ACPI_1BIT_MASK)
310#define ACPI_GET_2BIT_FLAG(Value)                   ((Value) & ACPI_2BIT_MASK)
311#define ACPI_GET_3BIT_FLAG(Value)                   ((Value) & ACPI_3BIT_MASK)
312#define ACPI_GET_4BIT_FLAG(Value)                   ((Value) & ACPI_4BIT_MASK)
313
314/* Macros to extract flag bits from position one and above */
315
316#define ACPI_EXTRACT_1BIT_FLAG(Field, Position)     (ACPI_GET_1BIT_FLAG ((Field) >> Position))
317#define ACPI_EXTRACT_2BIT_FLAG(Field, Position)     (ACPI_GET_2BIT_FLAG ((Field) >> Position))
318#define ACPI_EXTRACT_3BIT_FLAG(Field, Position)     (ACPI_GET_3BIT_FLAG ((Field) >> Position))
319#define ACPI_EXTRACT_4BIT_FLAG(Field, Position)     (ACPI_GET_4BIT_FLAG ((Field) >> Position))
320
321/* ACPI Pathname helpers */
322
323#define ACPI_IS_ROOT_PREFIX(c)      ((c) == (UINT8) 0x5C) /* Backslash */
324#define ACPI_IS_PARENT_PREFIX(c)    ((c) == (UINT8) 0x5E) /* Carat */
325#define ACPI_IS_PATH_SEPARATOR(c)   ((c) == (UINT8) 0x2E) /* Period (dot) */
326
327/*
328 * An object of type ACPI_NAMESPACE_NODE can appear in some contexts
329 * where a pointer to an object of type ACPI_OPERAND_OBJECT can also
330 * appear. This macro is used to distinguish them.
331 *
332 * The "DescriptorType" field is the second field in both structures.
333 */
334#define ACPI_GET_DESCRIPTOR_PTR(d)      (((ACPI_DESCRIPTOR *)(void *)(d))->Common.CommonPointer)
335#define ACPI_SET_DESCRIPTOR_PTR(d, p)   (((ACPI_DESCRIPTOR *)(void *)(d))->Common.CommonPointer = (p))
336#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
337#define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = (t))
338
339/*
340 * Macros for the master AML opcode table
341 */
342#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
343#define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
344    {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
345#else
346#define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
347    {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
348#endif
349
350#define ARG_TYPE_WIDTH                  5
351#define ARG_1(x)                        ((UINT32)(x))
352#define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
353#define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
354#define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
355#define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
356#define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
357
358#define ARGI_LIST1(a)                   (ARG_1(a))
359#define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
360#define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
361#define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
362#define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
363#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))
364
365#define ARGP_LIST1(a)                   (ARG_1(a))
366#define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
367#define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
368#define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
369#define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
370#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))
371
372#define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
373#define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
374
375/*
376 * Ascii error messages can be configured out
377 */
378#ifndef ACPI_NO_ERROR_MESSAGES
379/*
380 * Error reporting. Callers module and line number are inserted by AE_INFO,
381 * the plist contains a set of parens to allow variable-length lists.
382 * These macros are used for both the debug and non-debug versions of the code.
383 */
384#define ACPI_ERROR_NAMESPACE(s, e)          AcpiUtNamespaceError (AE_INFO, s, e);
385#define ACPI_ERROR_METHOD(s, n, p, e)       AcpiUtMethodError (AE_INFO, s, n, p, e);
386#define ACPI_WARN_PREDEFINED(plist)         AcpiUtPredefinedWarning plist
387#define ACPI_INFO_PREDEFINED(plist)         AcpiUtPredefinedInfo plist
388#define ACPI_BIOS_ERROR_PREDEFINED(plist)   AcpiUtPredefinedBiosError plist
389
390#else
391
392/* No error messages */
393
394#define ACPI_ERROR_NAMESPACE(s, e)
395#define ACPI_ERROR_METHOD(s, n, p, e)
396#define ACPI_WARN_PREDEFINED(plist)
397#define ACPI_INFO_PREDEFINED(plist)
398#define ACPI_BIOS_ERROR_PREDEFINED(plist)
399
400#endif /* ACPI_NO_ERROR_MESSAGES */
401
402#if (!ACPI_REDUCED_HARDWARE)
403#define ACPI_HW_OPTIONAL_FUNCTION(addr)     addr
404#else
405#define ACPI_HW_OPTIONAL_FUNCTION(addr)     NULL
406#endif
407
408
409/*
410 * Some code only gets executed when the debugger is built in.
411 * Note that this is entirely independent of whether the
412 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
413 */
414#ifdef ACPI_DEBUGGER
415#define ACPI_DEBUGGER_EXEC(a)           a
416#else
417#define ACPI_DEBUGGER_EXEC(a)
418#endif
419
420
421/*
422 * Macros used for ACPICA utilities only
423 */
424
425/* Generate a UUID */
426
427#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
428    (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
429    (b) & 0xFF, ((b) >> 8) & 0xFF, \
430    (c) & 0xFF, ((c) >> 8) & 0xFF, \
431    (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
432
433#define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
434
435
436#endif /* ACMACROS_H */
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