1 /******************************************************************************
3 * Name: acmacros.h - C macros for the entire subsystem.
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2003, 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))
130 #if ACPI_MACHINE_WIDTH == 16
133 * For 16-bit addresses, we have to assume that the upper 32 bits
136 #define ACPI_LODWORD(l) ((UINT32)(l))
137 #define ACPI_HIDWORD(l) ((UINT32)(0))
139 #define ACPI_GET_ADDRESS(a) ((a).Lo)
140 #define ACPI_STORE_ADDRESS(a,b) {(a).Hi=0;(a).Lo=(UINT32)(b);}
141 #define ACPI_VALID_ADDRESS(a) ((a).Hi | (a).Lo)
144 #ifdef ACPI_NO_INTEGER64_SUPPORT
146 * ACPI_INTEGER is 32-bits, no 64-bit support on this platform
148 #define ACPI_LODWORD(l) ((UINT32)(l))
149 #define ACPI_HIDWORD(l) ((UINT32)(0))
151 #define ACPI_GET_ADDRESS(a) (a)
152 #define ACPI_STORE_ADDRESS(a,b) ((a)=(b))
153 #define ACPI_VALID_ADDRESS(a) (a)
158 * Full 64-bit address/integer on both 32-bit and 64-bit platforms
160 #define ACPI_LODWORD(l) ((UINT32)(UINT64)(l))
161 #define ACPI_HIDWORD(l) ((UINT32)(((*(UINT64_STRUCT *)(void *)(&l))).Hi))
163 #define ACPI_GET_ADDRESS(a) (a)
164 #define ACPI_STORE_ADDRESS(a,b) ((a)=(ACPI_PHYSICAL_ADDRESS)(b))
165 #define ACPI_VALID_ADDRESS(a) (a)
170 * printf() format helpers
173 /* Split 64-bit integer into two 32-bit values. Use with %8,8X%8.8X */
175 #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i),ACPI_LODWORD(i)
178 * Extract a byte of data using a pointer. Any more than a byte and we
179 * get into potential aligment issues -- see the STORE macros below
181 #define ACPI_GET8(addr) (*(UINT8*)(addr))
183 /* Pointer arithmetic */
185 #define ACPI_PTR_ADD(t,a,b) (t *) (void *)((char *)(a) + (ACPI_NATIVE_UINT)(b))
186 #define ACPI_PTR_DIFF(a,b) (ACPI_NATIVE_UINT) ((char *)(a) - (char *)(b))
188 /* Pointer/Integer type conversions */
190 #define ACPI_TO_POINTER(i) ACPI_PTR_ADD (void, (void *) NULL,(ACPI_NATIVE_UINT)i)
191 #define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL)
192 #define ACPI_OFFSET(d,f) (ACPI_SIZE) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
193 #define ACPI_FADT_OFFSET(f) ACPI_OFFSET (FADT_DESCRIPTOR, f)
195 #define ACPI_CAST_PTR(t, p) ((t *)(void *)(p))
196 #define ACPI_CAST_INDIRECT_PTR(t, p) ((t **)(void *)(p))
198 #if ACPI_MACHINE_WIDTH == 16
199 #define ACPI_STORE_POINTER(d,s) ACPI_MOVE_32_TO_32(d,s)
200 #define ACPI_PHYSADDR_TO_PTR(i) (void *)(i)
201 #define ACPI_PTR_TO_PHYSADDR(i) (UINT32) (char *)(i)
203 #define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)
204 #define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i)
208 * Macros for moving data around to/from buffers that are possibly unaligned.
209 * If the hardware supports the transfer of unaligned data, just do the store.
210 * Otherwise, we have to move one byte at a time.
212 #ifdef ACPI_BIG_ENDIAN
214 * Macros for big-endian machines
217 /* This macro sets a buffer index, starting from the end of the buffer */
219 #define ACPI_BUFFER_INDEX(BufLen,BufOffset,ByteGran) ((BufLen) - (((BufOffset)+1) * (ByteGran)))
221 /* These macros reverse the bytes during the move, converting little-endian to big endian */
223 /* Big Endian <== Little Endian */
224 /* Hi...Lo Lo...Hi */
225 /* 16-bit source, 16/32/64 destination */
227 #define ACPI_MOVE_16_TO_16(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
228 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
230 #define ACPI_MOVE_16_TO_32(d,s) {(*(UINT32 *)(void *)(d))=0;\
231 ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
232 ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
234 #define ACPI_MOVE_16_TO_64(d,s) {(*(UINT64 *)(void *)(d))=0;\
235 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
236 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
238 /* 32-bit source, 16/32/64 destination */
240 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
242 #define ACPI_MOVE_32_TO_32(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
243 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
244 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
245 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
247 #define ACPI_MOVE_32_TO_64(d,s) {(*(UINT64 *)(void *)(d))=0;\
248 ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
249 ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
250 ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
251 ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
253 /* 64-bit source, 16/32/64 destination */
255 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
257 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
259 #define ACPI_MOVE_64_TO_64(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
260 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
261 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
262 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
263 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
264 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
265 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
266 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
269 * Macros for little-endian machines
272 /* This macro sets a buffer index, starting from the beginning of the buffer */
274 #define ACPI_BUFFER_INDEX(BufLen,BufOffset,ByteGran) (BufOffset)
276 #ifdef ACPI_MISALIGNED_TRANSFERS
278 /* The hardware supports unaligned transfers, just do the little-endian move */
280 #if ACPI_MACHINE_WIDTH == 16
282 /* No 64-bit integers */
283 /* 16-bit source, 16/32/64 destination */
285 #define ACPI_MOVE_16_TO_16(d,s) *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
286 #define ACPI_MOVE_16_TO_32(d,s) *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
287 #define ACPI_MOVE_16_TO_64(d,s) ACPI_MOVE_16_TO_32(d,s)
289 /* 32-bit source, 16/32/64 destination */
291 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
292 #define ACPI_MOVE_32_TO_32(d,s) *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
293 #define ACPI_MOVE_32_TO_64(d,s) ACPI_MOVE_32_TO_32(d,s)
295 /* 64-bit source, 16/32/64 destination */
297 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
298 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
299 #define ACPI_MOVE_64_TO_64(d,s) ACPI_MOVE_32_TO_32(d,s)
302 /* 16-bit source, 16/32/64 destination */
304 #define ACPI_MOVE_16_TO_16(d,s) *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
305 #define ACPI_MOVE_16_TO_32(d,s) *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
306 #define ACPI_MOVE_16_TO_64(d,s) *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
308 /* 32-bit source, 16/32/64 destination */
310 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
311 #define ACPI_MOVE_32_TO_32(d,s) *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
312 #define ACPI_MOVE_32_TO_64(d,s) *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
314 /* 64-bit source, 16/32/64 destination */
316 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
317 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
318 #define ACPI_MOVE_64_TO_64(d,s) *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
323 * The hardware does not support unaligned transfers. We must move the
324 * data one byte at a time. These macros work whether the source or
325 * the destination (or both) is/are unaligned. (Little-endian move)
328 /* 16-bit source, 16/32/64 destination */
330 #define ACPI_MOVE_16_TO_16(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
331 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
333 #define ACPI_MOVE_16_TO_32(d,s) {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
334 #define ACPI_MOVE_16_TO_64(d,s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
336 /* 32-bit source, 16/32/64 destination */
338 #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
340 #define ACPI_MOVE_32_TO_32(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
341 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
342 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
343 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
345 #define ACPI_MOVE_32_TO_64(d,s) {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}
347 /* 64-bit source, 16/32/64 destination */
349 #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
350 #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
351 #define ACPI_MOVE_64_TO_64(d,s) {(( UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
352 (( UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
353 (( UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
354 (( UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
355 (( UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
356 (( UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
357 (( UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
358 (( UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
362 /* Macros based on machine integer width */
364 #if ACPI_MACHINE_WIDTH == 16
365 #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s)
367 #elif ACPI_MACHINE_WIDTH == 32
368 #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_32_TO_16(d,s)
370 #elif ACPI_MACHINE_WIDTH == 64
371 #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_64_TO_16(d,s)
374 #error unknown ACPI_MACHINE_WIDTH
379 * Fast power-of-two math macros for non-optimized compilers
381 #define _ACPI_DIV(value,PowerOf2) ((UINT32) ((value) >> (PowerOf2)))
382 #define _ACPI_MUL(value,PowerOf2) ((UINT32) ((value) << (PowerOf2)))
383 #define _ACPI_MOD(value,Divisor) ((UINT32) ((value) & ((Divisor) -1)))
385 #define ACPI_DIV_2(a) _ACPI_DIV(a,1)
386 #define ACPI_MUL_2(a) _ACPI_MUL(a,1)
387 #define ACPI_MOD_2(a) _ACPI_MOD(a,2)
389 #define ACPI_DIV_4(a) _ACPI_DIV(a,2)
390 #define ACPI_MUL_4(a) _ACPI_MUL(a,2)
391 #define ACPI_MOD_4(a) _ACPI_MOD(a,4)
393 #define ACPI_DIV_8(a) _ACPI_DIV(a,3)
394 #define ACPI_MUL_8(a) _ACPI_MUL(a,3)
395 #define ACPI_MOD_8(a) _ACPI_MOD(a,8)
397 #define ACPI_DIV_16(a) _ACPI_DIV(a,4)
398 #define ACPI_MUL_16(a) _ACPI_MUL(a,4)
399 #define ACPI_MOD_16(a) _ACPI_MOD(a,16)
403 * Rounding macros (Power of two boundaries only)
405 #define ACPI_ROUND_DOWN(value,boundary) (((ACPI_NATIVE_UINT)(value)) & (~(((ACPI_NATIVE_UINT) boundary)-1)))
406 #define ACPI_ROUND_UP(value,boundary) ((((ACPI_NATIVE_UINT)(value)) + (((ACPI_NATIVE_UINT) boundary)-1)) & (~(((ACPI_NATIVE_UINT) boundary)-1)))
408 #define ACPI_ROUND_DOWN_TO_32_BITS(a) ACPI_ROUND_DOWN(a,4)
409 #define ACPI_ROUND_DOWN_TO_64_BITS(a) ACPI_ROUND_DOWN(a,8)
410 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,ALIGNED_ADDRESS_BOUNDARY)
412 #define ACPI_ROUND_UP_TO_32BITS(a) ACPI_ROUND_UP(a,4)
413 #define ACPI_ROUND_UP_TO_64BITS(a) ACPI_ROUND_UP(a,8)
414 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,ALIGNED_ADDRESS_BOUNDARY)
417 #define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
418 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
420 #define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)
422 /* Generic (non-power-of-two) rounding */
424 #define ACPI_ROUND_UP_TO(value,boundary) (((value) + ((boundary)-1)) / (boundary))
428 * Bit positions start at zero.
429 * MASK_BITS_ABOVE creates a mask starting AT the position and above
430 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
432 #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_INTEGER_MAX) << ((UINT32) (position))))
433 #define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((UINT32) (position)))
435 #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))
437 /* Macros for GAS addressing */
439 #if ACPI_MACHINE_WIDTH != 16
441 #define ACPI_PCI_DEVICE(a) (UINT16) ((ACPI_HIDWORD ((a))) & 0x0000FFFF)
442 #define ACPI_PCI_FUNCTION(a) (UINT16) ((ACPI_LODWORD ((a))) >> 16)
443 #define ACPI_PCI_REGISTER(a) (UINT16) ((ACPI_LODWORD ((a))) & 0x0000FFFF)
447 /* No support for GAS and PCI IDs in 16-bit mode */
449 #define ACPI_PCI_FUNCTION(a) (UINT16) ((a) & 0xFFFF0000)
450 #define ACPI_PCI_DEVICE(a) (UINT16) ((a) & 0x0000FFFF)
451 #define ACPI_PCI_REGISTER(a) (UINT16) ((a) & 0x0000FFFF)
456 /* Bitfields within ACPI registers */
458 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) ((Val << Pos) & Mask)
459 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
462 * An ACPI_NAMESPACE_NODE * can appear in some contexts,
463 * where a pointer to an ACPI_OPERAND_OBJECT can also
464 * appear. This macro is used to distinguish them.
466 * The "Descriptor" field is the first field in both structures.
468 #define ACPI_GET_DESCRIPTOR_TYPE(d) (((ACPI_DESCRIPTOR *)(void *)(d))->DescriptorId)
469 #define ACPI_SET_DESCRIPTOR_TYPE(d,t) (((ACPI_DESCRIPTOR *)(void *)(d))->DescriptorId = t)
472 /* Macro to test the object type */
474 #define ACPI_GET_OBJECT_TYPE(d) (((ACPI_OPERAND_OBJECT *)(void *)(d))->Common.Type)
476 /* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */
478 #define ACPI_IS_SINGLE_TABLE(x) (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)
481 * Macros for the master AML opcode table
483 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
484 #define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags) {Name,(UINT32)(PArgs),(UINT32)(IArgs),(UINT32)(Flags),ObjType,Class,Type}
486 #define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags) {(UINT32)(PArgs),(UINT32)(IArgs),(UINT32)(Flags),ObjType,Class,Type}
489 #ifdef ACPI_DISASSEMBLER
490 #define ACPI_DISASM_ONLY_MEMBERS(a) a;
492 #define ACPI_DISASM_ONLY_MEMBERS(a)
495 #define ARG_TYPE_WIDTH 5
496 #define ARG_1(x) ((UINT32)(x))
497 #define ARG_2(x) ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
498 #define ARG_3(x) ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
499 #define ARG_4(x) ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
500 #define ARG_5(x) ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
501 #define ARG_6(x) ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
503 #define ARGI_LIST1(a) (ARG_1(a))
504 #define ARGI_LIST2(a,b) (ARG_1(b)|ARG_2(a))
505 #define ARGI_LIST3(a,b,c) (ARG_1(c)|ARG_2(b)|ARG_3(a))
506 #define ARGI_LIST4(a,b,c,d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
507 #define ARGI_LIST5(a,b,c,d,e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
508 #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))
510 #define ARGP_LIST1(a) (ARG_1(a))
511 #define ARGP_LIST2(a,b) (ARG_1(a)|ARG_2(b))
512 #define ARGP_LIST3(a,b,c) (ARG_1(a)|ARG_2(b)|ARG_3(c))
513 #define ARGP_LIST4(a,b,c,d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
514 #define ARGP_LIST5(a,b,c,d,e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
515 #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))
517 #define GET_CURRENT_ARG_TYPE(List) (List & ((UINT32) 0x1F))
518 #define INCREMENT_ARG_LIST(List) (List >>= ((UINT32) ARG_TYPE_WIDTH))
522 * Reporting macros that are never compiled out
524 #define ACPI_PARAM_LIST(pl) pl
527 * Error reporting. These versions add callers module and line#. Since
528 * _THIS_MODULE gets compiled out when ACPI_DEBUG_OUTPUT isn't defined, only
529 * use it in debug mode.
531 #ifdef ACPI_DEBUG_OUTPUT
533 #define ACPI_REPORT_INFO(fp) {AcpiUtReportInfo(_THIS_MODULE,__LINE__,_COMPONENT); \
534 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
535 #define ACPI_REPORT_ERROR(fp) {AcpiUtReportError(_THIS_MODULE,__LINE__,_COMPONENT); \
536 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
537 #define ACPI_REPORT_WARNING(fp) {AcpiUtReportWarning(_THIS_MODULE,__LINE__,_COMPONENT); \
538 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
539 #define ACPI_REPORT_NSERROR(s,e) AcpiNsReportError(_THIS_MODULE,__LINE__,_COMPONENT, s, e);
541 #define ACPI_REPORT_METHOD_ERROR(s,n,p,e) AcpiNsReportMethodError(_THIS_MODULE,__LINE__,_COMPONENT, s, n, p, e);
545 #define ACPI_REPORT_INFO(fp) {AcpiUtReportInfo("ACPI",__LINE__,_COMPONENT); \
546 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
547 #define ACPI_REPORT_ERROR(fp) {AcpiUtReportError("ACPI",__LINE__,_COMPONENT); \
548 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
549 #define ACPI_REPORT_WARNING(fp) {AcpiUtReportWarning("ACPI",__LINE__,_COMPONENT); \
550 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
551 #define ACPI_REPORT_NSERROR(s,e) AcpiNsReportError("ACPI",__LINE__,_COMPONENT, s, e);
553 #define ACPI_REPORT_METHOD_ERROR(s,n,p,e) AcpiNsReportMethodError("ACPI",__LINE__,_COMPONENT, s, n, p, e);
557 /* Error reporting. These versions pass thru the module and line# */
559 #define _ACPI_REPORT_INFO(a,b,c,fp) {AcpiUtReportInfo(a,b,c); \
560 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
561 #define _ACPI_REPORT_ERROR(a,b,c,fp) {AcpiUtReportError(a,b,c); \
562 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
563 #define _ACPI_REPORT_WARNING(a,b,c,fp) {AcpiUtReportWarning(a,b,c); \
564 AcpiOsPrintf ACPI_PARAM_LIST(fp);}
567 * Debug macros that are conditionally compiled
569 #ifdef ACPI_DEBUG_OUTPUT
571 #define ACPI_MODULE_NAME(name) static char ACPI_UNUSED_VAR *_THIS_MODULE = name;
574 * Function entry tracing.
575 * The first parameter should be the procedure name as a quoted string. This is declared
576 * as a local string ("_ProcName) so that it can be also used by the function exit macros below.
578 #define ACPI_FUNCTION_NAME(a) ACPI_DEBUG_PRINT_INFO _Dbg; \
579 _Dbg.ComponentId = _COMPONENT; \
581 _Dbg.ModuleName = _THIS_MODULE;
583 #define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
584 AcpiUtTrace(__LINE__,&_Dbg)
585 #define ACPI_FUNCTION_TRACE_PTR(a,b) ACPI_FUNCTION_NAME(a) \
586 AcpiUtTracePtr(__LINE__,&_Dbg,(void *)b)
587 #define ACPI_FUNCTION_TRACE_U32(a,b) ACPI_FUNCTION_NAME(a) \
588 AcpiUtTraceU32(__LINE__,&_Dbg,(UINT32)b)
589 #define ACPI_FUNCTION_TRACE_STR(a,b) ACPI_FUNCTION_NAME(a) \
590 AcpiUtTraceStr(__LINE__,&_Dbg,(char *)b)
592 #define ACPI_FUNCTION_ENTRY() AcpiUtTrackStackPtr()
595 * Function exit tracing.
596 * WARNING: These macros include a return statement. This is usually considered
597 * bad form, but having a separate exit macro is very ugly and difficult to maintain.
598 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
599 * so that "_ProcName" is defined.
601 #ifdef ACPI_USE_DO_WHILE_0
602 #define ACPI_DO_WHILE0(a) do a while(0)
604 #define ACPI_DO_WHILE0(a) a
607 #define return_VOID ACPI_DO_WHILE0 ({AcpiUtExit(__LINE__,&_Dbg);return;})
608 #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({AcpiUtStatusExit(__LINE__,&_Dbg,(s));return((s));})
609 #define return_VALUE(s) ACPI_DO_WHILE0 ({AcpiUtValueExit(__LINE__,&_Dbg,(ACPI_INTEGER)(s));return((s));})
610 #define return_PTR(s) ACPI_DO_WHILE0 ({AcpiUtPtrExit(__LINE__,&_Dbg,(UINT8 *)(s));return((s));})
612 /* Conditional execution */
614 #define ACPI_DEBUG_EXEC(a) a
615 #define ACPI_NORMAL_EXEC(a)
617 #define ACPI_DEBUG_DEFINE(a) a;
618 #define ACPI_DEBUG_ONLY_MEMBERS(a) a;
619 #define _VERBOSE_STRUCTURES
622 /* Stack and buffer dumping */
624 #define ACPI_DUMP_STACK_ENTRY(a) AcpiExDumpOperand(a)
625 #define ACPI_DUMP_OPERANDS(a,b,c,d,e) AcpiExDumpOperands(a,b,c,d,e,_THIS_MODULE,__LINE__)
628 #define ACPI_DUMP_ENTRY(a,b) AcpiNsDumpEntry (a,b)
629 #define ACPI_DUMP_TABLES(a,b) AcpiNsDumpTables(a,b)
630 #define ACPI_DUMP_PATHNAME(a,b,c,d) AcpiNsDumpPathname(a,b,c,d)
631 #define ACPI_DUMP_RESOURCE_LIST(a) AcpiRsDumpResourceList(a)
632 #define ACPI_DUMP_BUFFER(a,b) AcpiUtDumpBuffer((UINT8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
633 #define ACPI_BREAK_MSG(a) AcpiOsSignal (ACPI_SIGNAL_BREAKPOINT,(a))
637 * Generate INT3 on ACPI_ERROR (Debug only!)
639 #define ACPI_ERROR_BREAK
640 #ifdef ACPI_ERROR_BREAK
641 #define ACPI_BREAK_ON_ERROR(lvl) if ((lvl)&ACPI_ERROR) \
642 AcpiOsSignal(ACPI_SIGNAL_BREAKPOINT,"Fatal error encountered\n")
644 #define ACPI_BREAK_ON_ERROR(lvl)
648 * Master debug print macros
650 * 1) Debug print for the current component is enabled
651 * 2) Debug error level or trace level for the print statement is enabled
653 #define ACPI_DEBUG_PRINT(pl) AcpiUtDebugPrint ACPI_PARAM_LIST(pl)
654 #define ACPI_DEBUG_PRINT_RAW(pl) AcpiUtDebugPrintRaw ACPI_PARAM_LIST(pl)
659 * This is the non-debug case -- make everything go away,
660 * leaving no executable debug code!
662 #define ACPI_MODULE_NAME(name)
663 #define _THIS_MODULE ""
665 #define ACPI_DEBUG_EXEC(a)
666 #define ACPI_NORMAL_EXEC(a) a;
668 #define ACPI_DEBUG_DEFINE(a)
669 #define ACPI_DEBUG_ONLY_MEMBERS(a)
670 #define ACPI_FUNCTION_NAME(a)
671 #define ACPI_FUNCTION_TRACE(a)
672 #define ACPI_FUNCTION_TRACE_PTR(a,b)
673 #define ACPI_FUNCTION_TRACE_U32(a,b)
674 #define ACPI_FUNCTION_TRACE_STR(a,b)
675 #define ACPI_FUNCTION_EXIT
676 #define ACPI_FUNCTION_STATUS_EXIT(s)
677 #define ACPI_FUNCTION_VALUE_EXIT(s)
678 #define ACPI_FUNCTION_ENTRY()
679 #define ACPI_DUMP_STACK_ENTRY(a)
680 #define ACPI_DUMP_OPERANDS(a,b,c,d,e)
681 #define ACPI_DUMP_ENTRY(a,b)
682 #define ACPI_DUMP_TABLES(a,b)
683 #define ACPI_DUMP_PATHNAME(a,b,c,d)
684 #define ACPI_DUMP_RESOURCE_LIST(a)
685 #define ACPI_DUMP_BUFFER(a,b)
686 #define ACPI_DEBUG_PRINT(pl)
687 #define ACPI_DEBUG_PRINT_RAW(pl)
688 #define ACPI_BREAK_MSG(a)
690 #define return_VOID return
691 #define return_ACPI_STATUS(s) return(s)
692 #define return_VALUE(s) return(s)
693 #define return_PTR(s) return(s)
698 * Some code only gets executed when the debugger is built in.
699 * Note that this is entirely independent of whether the
700 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
703 #define ACPI_DEBUGGER_EXEC(a) a
705 #define ACPI_DEBUGGER_EXEC(a)
710 * For 16-bit code, we want to shrink some things even though
711 * we are using ACPI_DEBUG_OUTPUT to get the debug output
713 #if ACPI_MACHINE_WIDTH == 16
714 #undef ACPI_DEBUG_ONLY_MEMBERS
715 #undef _VERBOSE_STRUCTURES
716 #define ACPI_DEBUG_ONLY_MEMBERS(a)
720 #ifdef ACPI_DEBUG_OUTPUT
722 * 1) Set name to blanks
723 * 2) Copy the object name
725 #define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->Common.Name, ' ', sizeof (a->Common.Name));\
726 ACPI_STRNCPY (a->Common.Name, AcpiGbl_NsTypeNames[b], sizeof (a->Common.Name))
729 #define ACPI_ADD_OBJECT_NAME(a,b)
734 * Memory allocation tracking (DEBUG ONLY)
736 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
738 /* Memory allocation */
740 #define ACPI_MEM_ALLOCATE(a) AcpiUtAllocate((ACPI_SIZE)(a),_COMPONENT,_THIS_MODULE,__LINE__)
741 #define ACPI_MEM_CALLOCATE(a) AcpiUtCallocate((ACPI_SIZE)(a), _COMPONENT,_THIS_MODULE,__LINE__)
742 #define ACPI_MEM_FREE(a) AcpiOsFree(a)
743 #define ACPI_MEM_TRACKING(a)
748 /* Memory allocation */
750 #define ACPI_MEM_ALLOCATE(a) AcpiUtAllocateAndTrack((ACPI_SIZE)(a),_COMPONENT,_THIS_MODULE,__LINE__)
751 #define ACPI_MEM_CALLOCATE(a) AcpiUtCallocateAndTrack((ACPI_SIZE)(a), _COMPONENT,_THIS_MODULE,__LINE__)
752 #define ACPI_MEM_FREE(a) AcpiUtFreeAndTrack(a,_COMPONENT,_THIS_MODULE,__LINE__)
753 #define ACPI_MEM_TRACKING(a) a
755 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
758 #define ACPI_GET_STACK_POINTER _asm {mov eax, ebx}
760 #endif /* ACMACROS_H */