1 /******************************************************************************
3 * Name: acmacros.h - C macros for the entire subsystem.
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
13 * All rights reserved.
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
38 * The above copyright and patent license is granted only if the following
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
73 * 3.4. Intel retains all right, title, and interest in and to the Original
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
81 * 4. Disclaimer and Export Compliance
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
115 *****************************************************************************/
117 #ifndef __ACMACROS_H__
118 #define __ACMACROS_H__
122 * Data manipulation macros
124 #define ACPI_LOWORD(l) ((UINT16)(UINT32)(l))
125 #define ACPI_HIWORD(l) ((UINT16)((((UINT32)(l)) >> 16) & 0xFFFF))
126 #define ACPI_LOBYTE(l) ((UINT8)(UINT16)(l))
127 #define ACPI_HIBYTE(l) ((UINT8)((((UINT16)(l)) >> 8) & 0xFF))
129 #define ACPI_SET_BIT(target,bit) ((target) |= (bit))
130 #define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit))
131 #define ACPI_MIN(a,b) (((a)<(b))?(a):(b))
132 #define ACPI_MAX(a,b) (((a)>(b))?(a):(b))
134 /* Size calculation */
136 #define ACPI_ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0]))
140 * Full 64-bit integer must be available on both 32-bit and 64-bit platforms
142 #define ACPI_LODWORD(l) ((UINT32)(UINT64)(l))
143 #define ACPI_HIDWORD(l) ((UINT32)(((*(UINT64_STRUCT *)(void *)(&l))).Hi))
147 * printf() format helpers
150 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
152 #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i),ACPI_LODWORD(i)
155 * Extract data using a pointer. Any more than a byte and we
156 * get into potential aligment issues -- see the STORE macros below.
159 #define ACPI_GET8(ptr) *ACPI_CAST_PTR (UINT8, ptr)
160 #define ACPI_GET16(ptr) *ACPI_CAST_PTR (UINT16, ptr)
161 #define ACPI_GET32(ptr) *ACPI_CAST_PTR (UINT32, ptr)
162 #define ACPI_GET64(ptr) *ACPI_CAST_PTR (UINT64, ptr)
163 #define ACPI_SET8(ptr) *ACPI_CAST_PTR (UINT8, ptr)
164 #define ACPI_SET16(ptr) *ACPI_CAST_PTR (UINT16, ptr)
165 #define ACPI_SET32(ptr) *ACPI_CAST_PTR (UINT32, ptr)
166 #define ACPI_SET64(ptr) *ACPI_CAST_PTR (UINT64, ptr)
169 * Pointer manipulation
171 #define ACPI_CAST_PTR(t, p) ((t *) (ACPI_UINTPTR_T) (p))
172 #define ACPI_CAST_INDIRECT_PTR(t, p) ((t **) (ACPI_UINTPTR_T) (p))
173 #define ACPI_ADD_PTR(t,a,b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (UINT8,(a)) + (ACPI_NATIVE_UINT)(b)))
174 #define ACPI_PTR_DIFF(a,b) (ACPI_NATIVE_UINT) (ACPI_CAST_PTR (UINT8,(a)) - ACPI_CAST_PTR (UINT8,(b)))
176 /* Pointer/Integer type conversions */
178 #define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void,(void *) NULL,(ACPI_NATIVE_UINT) i)
179 #define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL)
180 #define ACPI_OFFSET(d,f) (ACPI_SIZE) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
181 #define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)
182 #define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i)
184 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
185 #define ACPI_COMPARE_NAME(a,b) (*ACPI_CAST_PTR (UINT32,(a)) == *ACPI_CAST_PTR (UINT32,(b)))
187 #define ACPI_COMPARE_NAME(a,b) (!ACPI_STRNCMP (ACPI_CAST_PTR (char,(a)), ACPI_CAST_PTR (char,(b)), ACPI_NAME_SIZE))
191 * Macros for moving data around to/from buffers that are possibly unaligned.
192 * If the hardware supports the transfer of unaligned data, just do the store.
193 * Otherwise, we have to move one byte at a time.
195 #ifdef ACPI_BIG_ENDIAN
197 * Macros for big-endian machines
200 /* This macro sets a buffer index, starting from the end of the buffer */
202 #define ACPI_BUFFER_INDEX(BufLen,BufOffset,ByteGran) ((BufLen) - (((BufOffset)+1) * (ByteGran)))
204 /* These macros reverse the bytes during the move, converting little-endian to big endian */
206 /* Big Endian <== Little Endian */
207 /* Hi...Lo Lo...Hi */
208 /* 16-bit source, 16/32/64 destination */
210 #define ACPI_MOVE_16_TO_16(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
211 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
213 #define ACPI_MOVE_16_TO_32(d,s) {(*(UINT32 *)(void *)(d))=0;\
214 ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
215 ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
217 #define ACPI_MOVE_16_TO_64(d,s) {(*(UINT64 *)(void *)(d))=0;\
218 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
219 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
221 /* 32-bit source, 16/32/64 destination */
223 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
225 #define ACPI_MOVE_32_TO_32(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
226 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
227 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
228 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
230 #define ACPI_MOVE_32_TO_64(d,s) {(*(UINT64 *)(void *)(d))=0;\
231 ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
232 ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
233 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
234 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
236 /* 64-bit source, 16/32/64 destination */
238 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
240 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
242 #define ACPI_MOVE_64_TO_64(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
243 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
244 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
245 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
246 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
247 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
248 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
249 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
252 * Macros for little-endian machines
255 /* This macro sets a buffer index, starting from the beginning of the buffer */
257 #define ACPI_BUFFER_INDEX(BufLen,BufOffset,ByteGran) (BufOffset)
259 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
261 /* The hardware supports unaligned transfers, just do the little-endian move */
263 /* 16-bit source, 16/32/64 destination */
265 #define ACPI_MOVE_16_TO_16(d,s) *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
266 #define ACPI_MOVE_16_TO_32(d,s) *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
267 #define ACPI_MOVE_16_TO_64(d,s) *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
269 /* 32-bit source, 16/32/64 destination */
271 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
272 #define ACPI_MOVE_32_TO_32(d,s) *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
273 #define ACPI_MOVE_32_TO_64(d,s) *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
275 /* 64-bit source, 16/32/64 destination */
277 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
278 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
279 #define ACPI_MOVE_64_TO_64(d,s) *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
283 * The hardware does not support unaligned transfers. We must move the
284 * data one byte at a time. These macros work whether the source or
285 * the destination (or both) is/are unaligned. (Little-endian move)
288 /* 16-bit source, 16/32/64 destination */
290 #define ACPI_MOVE_16_TO_16(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
291 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
293 #define ACPI_MOVE_16_TO_32(d,s) {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
294 #define ACPI_MOVE_16_TO_64(d,s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
296 /* 32-bit source, 16/32/64 destination */
298 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
300 #define ACPI_MOVE_32_TO_32(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
301 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
302 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
303 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
305 #define ACPI_MOVE_32_TO_64(d,s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}
307 /* 64-bit source, 16/32/64 destination */
309 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
310 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
311 #define ACPI_MOVE_64_TO_64(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
312 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
313 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
314 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
315 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
316 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
317 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
318 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
322 /* Macros based on machine integer width */
324 #if ACPI_MACHINE_WIDTH == 32
325 #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_32_TO_16(d,s)
327 #elif ACPI_MACHINE_WIDTH == 64
328 #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_64_TO_16(d,s)
331 #error unknown ACPI_MACHINE_WIDTH
336 * Fast power-of-two math macros for non-optimized compilers
338 #define _ACPI_DIV(value,PowerOf2) ((UINT32) ((value) >> (PowerOf2)))
339 #define _ACPI_MUL(value,PowerOf2) ((UINT32) ((value) << (PowerOf2)))
340 #define _ACPI_MOD(value,Divisor) ((UINT32) ((value) & ((Divisor) -1)))
342 #define ACPI_DIV_2(a) _ACPI_DIV(a,1)
343 #define ACPI_MUL_2(a) _ACPI_MUL(a,1)
344 #define ACPI_MOD_2(a) _ACPI_MOD(a,2)
346 #define ACPI_DIV_4(a) _ACPI_DIV(a,2)
347 #define ACPI_MUL_4(a) _ACPI_MUL(a,2)
348 #define ACPI_MOD_4(a) _ACPI_MOD(a,4)
350 #define ACPI_DIV_8(a) _ACPI_DIV(a,3)
351 #define ACPI_MUL_8(a) _ACPI_MUL(a,3)
352 #define ACPI_MOD_8(a) _ACPI_MOD(a,8)
354 #define ACPI_DIV_16(a) _ACPI_DIV(a,4)
355 #define ACPI_MUL_16(a) _ACPI_MUL(a,4)
356 #define ACPI_MOD_16(a) _ACPI_MOD(a,16)
358 #define ACPI_DIV_32(a) _ACPI_DIV(a,5)
359 #define ACPI_MUL_32(a) _ACPI_MUL(a,5)
360 #define ACPI_MOD_32(a) _ACPI_MOD(a,32)
363 * Rounding macros (Power of two boundaries only)
365 #define ACPI_ROUND_DOWN(value,boundary) (((ACPI_NATIVE_UINT)(value)) & \
366 (~(((ACPI_NATIVE_UINT) boundary)-1)))
368 #define ACPI_ROUND_UP(value,boundary) ((((ACPI_NATIVE_UINT)(value)) + \
369 (((ACPI_NATIVE_UINT) boundary)-1)) & \
370 (~(((ACPI_NATIVE_UINT) boundary)-1)))
372 /* Note: sizeof(ACPI_NATIVE_UINT) evaluates to either 2, 4, or 8 */
374 #define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a,4)
375 #define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a,8)
376 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,sizeof(ACPI_NATIVE_UINT))
378 #define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a,4)
379 #define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a,8)
380 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,sizeof(ACPI_NATIVE_UINT))
382 #define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
383 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
385 #define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)
387 /* Generic (non-power-of-two) rounding */
389 #define ACPI_ROUND_UP_TO(value,boundary) (((value) + ((boundary)-1)) / (boundary))
391 #define ACPI_IS_MISALIGNED(value) (((ACPI_NATIVE_UINT)value) & (sizeof(ACPI_NATIVE_UINT)-1))
395 * Bit positions start at zero.
396 * MASK_BITS_ABOVE creates a mask starting AT the position and above
397 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
399 #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_INTEGER_MAX) << ((UINT32) (position))))
400 #define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((UINT32) (position)))
402 #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))
405 /* Bitfields within ACPI registers */
407 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) ((Val << Pos) & Mask)
408 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
410 #define ACPI_INSERT_BITS(Target, Mask, Source) Target = ((Target & (~(Mask))) | (Source & Mask))
412 /* Generate a UUID */
414 #define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
415 (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
416 (b) & 0xFF, ((b) >> 8) & 0xFF, \
417 (c) & 0xFF, ((c) >> 8) & 0xFF, \
418 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
421 * An ACPI_NAMESPACE_NODE * can appear in some contexts,
422 * where a pointer to an ACPI_OPERAND_OBJECT can also
423 * appear. This macro is used to distinguish them.
425 * The "Descriptor" field is the first field in both structures.
427 #define ACPI_GET_DESCRIPTOR_TYPE(d) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
428 #define ACPI_SET_DESCRIPTOR_TYPE(d,t) (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = t)
431 /* Macro to test the object type */
433 #define ACPI_GET_OBJECT_TYPE(d) (((ACPI_OPERAND_OBJECT *)(void *)(d))->Common.Type)
435 /* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */
437 #define ACPI_IS_SINGLE_TABLE(x) (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)
440 * Macros for the master AML opcode table
442 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
443 #define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags) {Name,(UINT32)(PArgs),(UINT32)(IArgs),(UINT32)(Flags),ObjType,Class,Type}
445 #define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags) {(UINT32)(PArgs),(UINT32)(IArgs),(UINT32)(Flags),ObjType,Class,Type}
448 #ifdef ACPI_DISASSEMBLER
449 #define ACPI_DISASM_ONLY_MEMBERS(a) a;
451 #define ACPI_DISASM_ONLY_MEMBERS(a)
454 #define ARG_TYPE_WIDTH 5
455 #define ARG_1(x) ((UINT32)(x))
456 #define ARG_2(x) ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
457 #define ARG_3(x) ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
458 #define ARG_4(x) ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
459 #define ARG_5(x) ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
460 #define ARG_6(x) ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
462 #define ARGI_LIST1(a) (ARG_1(a))
463 #define ARGI_LIST2(a,b) (ARG_1(b)|ARG_2(a))
464 #define ARGI_LIST3(a,b,c) (ARG_1(c)|ARG_2(b)|ARG_3(a))
465 #define ARGI_LIST4(a,b,c,d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
466 #define ARGI_LIST5(a,b,c,d,e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
467 #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))
469 #define ARGP_LIST1(a) (ARG_1(a))
470 #define ARGP_LIST2(a,b) (ARG_1(a)|ARG_2(b))
471 #define ARGP_LIST3(a,b,c) (ARG_1(a)|ARG_2(b)|ARG_3(c))
472 #define ARGP_LIST4(a,b,c,d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
473 #define ARGP_LIST5(a,b,c,d,e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
474 #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))
476 #define GET_CURRENT_ARG_TYPE(List) (List & ((UINT32) 0x1F))
477 #define INCREMENT_ARG_LIST(List) (List >>= ((UINT32) ARG_TYPE_WIDTH))
480 #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
482 * Module name is include in both debug and non-debug versions primarily for
483 * error messages. The __FILE__ macro is not very useful for this, because it
484 * often includes the entire pathname to the module
486 #define ACPI_MODULE_NAME(Name) static char ACPI_UNUSED_VAR *_AcpiModuleName = Name;
488 #define ACPI_MODULE_NAME(Name)
492 * Ascii error messages can be configured out
494 #ifndef ACPI_NO_ERROR_MESSAGES
495 #define AE_INFO _AcpiModuleName, __LINE__
498 * Error reporting. Callers module and line number are inserted by AE_INFO,
499 * the plist contains a set of parens to allow variable-length lists.
500 * These macros are used for both the debug and non-debug versions of the code.
502 #define ACPI_INFO(plist) AcpiUtInfo plist
503 #define ACPI_WARNING(plist) AcpiUtWarning plist
504 #define ACPI_EXCEPTION(plist) AcpiUtException plist
505 #define ACPI_ERROR(plist) AcpiUtError plist
506 #define ACPI_ERROR_NAMESPACE(s,e) AcpiNsReportError (AE_INFO, s, e);
507 #define ACPI_ERROR_METHOD(s,n,p,e) AcpiNsReportMethodError (AE_INFO, s, n, p, e);
511 /* No error messages */
513 #define ACPI_INFO(plist)
514 #define ACPI_WARNING(plist)
515 #define ACPI_EXCEPTION(plist)
516 #define ACPI_ERROR(plist)
517 #define ACPI_ERROR_NAMESPACE(s,e)
518 #define ACPI_ERROR_METHOD(s,n,p,e)
522 * Debug macros that are conditionally compiled
524 #ifdef ACPI_DEBUG_OUTPUT
527 * Common parameters used for debug output functions:
528 * line number, function name, module(file) name, component ID
530 #define ACPI_DEBUG_PARAMETERS __LINE__, ACPI_GET_FUNCTION_NAME, _AcpiModuleName, _COMPONENT
533 * Function entry tracing
537 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
538 * define it now. This is the case where there the compiler does not support
539 * a __FUNCTION__ macro or equivalent. We save the function name on the
542 #ifndef ACPI_GET_FUNCTION_NAME
543 #define ACPI_GET_FUNCTION_NAME _AcpiFunctionName
545 * The Name parameter should be the procedure name as a quoted string.
546 * This is declared as a local string ("MyFunctionName") so that it can
547 * be also used by the function exit macros below.
548 * Note: (const char) is used to be compatible with the debug interfaces
549 * and macros such as __FUNCTION__.
551 #define ACPI_FUNCTION_NAME(Name) const char *_AcpiFunctionName = #Name;
554 /* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
556 #define ACPI_FUNCTION_NAME(Name)
559 #define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
560 AcpiUtTrace(ACPI_DEBUG_PARAMETERS)
561 #define ACPI_FUNCTION_TRACE_PTR(a,b) ACPI_FUNCTION_NAME(a) \
562 AcpiUtTracePtr(ACPI_DEBUG_PARAMETERS,(void *)b)
563 #define ACPI_FUNCTION_TRACE_U32(a,b) ACPI_FUNCTION_NAME(a) \
564 AcpiUtTraceU32(ACPI_DEBUG_PARAMETERS,(UINT32)b)
565 #define ACPI_FUNCTION_TRACE_STR(a,b) ACPI_FUNCTION_NAME(a) \
566 AcpiUtTraceStr(ACPI_DEBUG_PARAMETERS,(char *)b)
568 #define ACPI_FUNCTION_ENTRY() AcpiUtTrackStackPtr()
571 * Function exit tracing.
572 * WARNING: These macros include a return statement. This is usually considered
573 * bad form, but having a separate exit macro is very ugly and difficult to maintain.
574 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
575 * so that "_AcpiFunctionName" is defined.
577 * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
578 * about these constructs.
580 #ifdef ACPI_USE_DO_WHILE_0
581 #define ACPI_DO_WHILE0(a) do a while(0)
583 #define ACPI_DO_WHILE0(a) a
586 #define return_VOID ACPI_DO_WHILE0 ({ \
587 AcpiUtExit (ACPI_DEBUG_PARAMETERS); \
590 * There are two versions of most of the return macros. The default version is
591 * safer, since it avoids side-effects by guaranteeing that the argument will
592 * not be evaluated twice.
594 * A less-safe version of the macros is provided for optional use if the
595 * compiler uses excessive CPU stack (for example, this may happen in the
596 * debug case if code optimzation is disabled.)
598 #ifndef ACPI_SIMPLE_RETURN_MACROS
600 #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
601 register ACPI_STATUS _s = (s); \
602 AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, _s); \
604 #define return_PTR(s) ACPI_DO_WHILE0 ({ \
605 register void *_s = (void *) (s); \
606 AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) _s); \
608 #define return_VALUE(s) ACPI_DO_WHILE0 ({ \
609 register ACPI_INTEGER _s = (s); \
610 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, _s); \
612 #define return_UINT8(s) ACPI_DO_WHILE0 ({ \
613 register UINT8 _s = (UINT8) (s); \
614 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \
616 #define return_UINT32(s) ACPI_DO_WHILE0 ({ \
617 register UINT32 _s = (UINT32) (s); \
618 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) _s); \
620 #else /* Use original less-safe macros */
622 #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
623 AcpiUtStatusExit (ACPI_DEBUG_PARAMETERS, (s)); \
625 #define return_PTR(s) ACPI_DO_WHILE0 ({ \
626 AcpiUtPtrExit (ACPI_DEBUG_PARAMETERS, (UINT8 *) (s)); \
628 #define return_VALUE(s) ACPI_DO_WHILE0 ({ \
629 AcpiUtValueExit (ACPI_DEBUG_PARAMETERS, (ACPI_INTEGER) (s)); \
631 #define return_UINT8(s) return_VALUE(s)
632 #define return_UINT32(s) return_VALUE(s)
634 #endif /* ACPI_SIMPLE_RETURN_MACROS */
637 /* Conditional execution */
639 #define ACPI_DEBUG_EXEC(a) a
640 #define ACPI_NORMAL_EXEC(a)
642 #define ACPI_DEBUG_DEFINE(a) a;
643 #define ACPI_DEBUG_ONLY_MEMBERS(a) a;
644 #define _VERBOSE_STRUCTURES
647 /* Stack and buffer dumping */
649 #define ACPI_DUMP_STACK_ENTRY(a) AcpiExDumpOperand((a),0)
650 #define ACPI_DUMP_OPERANDS(a,b,c,d,e) AcpiExDumpOperands(a,b,c,d,e,_AcpiModuleName,__LINE__)
653 #define ACPI_DUMP_ENTRY(a,b) AcpiNsDumpEntry (a,b)
654 #define ACPI_DUMP_PATHNAME(a,b,c,d) AcpiNsDumpPathname(a,b,c,d)
655 #define ACPI_DUMP_RESOURCE_LIST(a) AcpiRsDumpResourceList(a)
656 #define ACPI_DUMP_BUFFER(a,b) AcpiUtDumpBuffer((UINT8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
659 * Master debug print macros
661 * 1) Debug print for the current component is enabled
662 * 2) Debug error level or trace level for the print statement is enabled
664 #define ACPI_DEBUG_PRINT(plist) AcpiUtDebugPrint plist
665 #define ACPI_DEBUG_PRINT_RAW(plist) AcpiUtDebugPrintRaw plist
670 * This is the non-debug case -- make everything go away,
671 * leaving no executable debug code!
673 #define ACPI_DEBUG_EXEC(a)
674 #define ACPI_NORMAL_EXEC(a) a;
676 #define ACPI_DEBUG_DEFINE(a)
677 #define ACPI_DEBUG_ONLY_MEMBERS(a)
678 #define ACPI_FUNCTION_NAME(a)
679 #define ACPI_FUNCTION_TRACE(a)
680 #define ACPI_FUNCTION_TRACE_PTR(a,b)
681 #define ACPI_FUNCTION_TRACE_U32(a,b)
682 #define ACPI_FUNCTION_TRACE_STR(a,b)
683 #define ACPI_FUNCTION_EXIT
684 #define ACPI_FUNCTION_STATUS_EXIT(s)
685 #define ACPI_FUNCTION_VALUE_EXIT(s)
686 #define ACPI_FUNCTION_ENTRY()
687 #define ACPI_DUMP_STACK_ENTRY(a)
688 #define ACPI_DUMP_OPERANDS(a,b,c,d,e)
689 #define ACPI_DUMP_ENTRY(a,b)
690 #define ACPI_DUMP_TABLES(a,b)
691 #define ACPI_DUMP_PATHNAME(a,b,c,d)
692 #define ACPI_DUMP_RESOURCE_LIST(a)
693 #define ACPI_DUMP_BUFFER(a,b)
694 #define ACPI_DEBUG_PRINT(pl)
695 #define ACPI_DEBUG_PRINT_RAW(pl)
697 #define return_VOID return
698 #define return_ACPI_STATUS(s) return(s)
699 #define return_VALUE(s) return(s)
700 #define return_UINT8(s) return(s)
701 #define return_UINT32(s) return(s)
702 #define return_PTR(s) return(s)
707 * Some code only gets executed when the debugger is built in.
708 * Note that this is entirely independent of whether the
709 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
712 #define ACPI_DEBUGGER_EXEC(a) a
714 #define ACPI_DEBUGGER_EXEC(a)
718 #ifdef ACPI_DEBUG_OUTPUT
720 * 1) Set name to blanks
721 * 2) Copy the object name
723 #define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->Common.Name, ' ', sizeof (a->Common.Name));\
724 ACPI_STRNCPY (a->Common.Name, AcpiGbl_NsTypeNames[b], sizeof (a->Common.Name))
727 #define ACPI_ADD_OBJECT_NAME(a,b)
732 * Memory allocation tracking (DEBUG ONLY)
734 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
736 /* Memory allocation */
738 #define ACPI_ALLOCATE(a) AcpiUtAllocate((ACPI_SIZE)(a),_COMPONENT,_AcpiModuleName,__LINE__)
739 #define ACPI_ALLOCATE_ZEROED(a) AcpiUtAllocateZeroed((ACPI_SIZE)(a), _COMPONENT,_AcpiModuleName,__LINE__)
740 #define ACPI_FREE(a) AcpiOsFree(a)
741 #define ACPI_MEM_TRACKING(a)
745 /* Memory allocation */
747 #define ACPI_ALLOCATE(a) AcpiUtAllocateAndTrack((ACPI_SIZE)(a),_COMPONENT,_AcpiModuleName,__LINE__)
748 #define ACPI_ALLOCATE_ZEROED(a) AcpiUtAllocateZeroedAndTrack((ACPI_SIZE)(a), _COMPONENT,_AcpiModuleName,__LINE__)
749 #define ACPI_FREE(a) AcpiUtFreeAndTrack(a,_COMPONENT,_AcpiModuleName,__LINE__)
750 #define ACPI_MEM_TRACKING(a) a
752 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
754 #endif /* ACMACROS_H */