blob: 5efad99f21697597f74882a9d773f5057e3a6618 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/******************************************************************************
2 *
3 * Name: acmacros.h - C macros for the entire subsystem.
4 *
5 *****************************************************************************/
6
7/*
Bob Moore77848132012-01-12 13:27:23 +08008 * Copyright (C) 2000 - 2012, Intel Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070047/*
Bob Moorec9bdd802008-08-04 09:54:17 +080048 * Extract data using a pointer. Any more than a byte and we
Bob Mooredefba1d2005-12-16 17:05:00 -050049 * get into potential aligment issues -- see the STORE macros below.
50 * Use with care.
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 */
Bob Moorec51a4de2005-11-17 13:07:00 -050052#define ACPI_GET8(ptr) *ACPI_CAST_PTR (u8, ptr)
53#define ACPI_GET16(ptr) *ACPI_CAST_PTR (u16, ptr)
54#define ACPI_GET32(ptr) *ACPI_CAST_PTR (u32, ptr)
55#define ACPI_GET64(ptr) *ACPI_CAST_PTR (u64, ptr)
56#define ACPI_SET8(ptr) *ACPI_CAST_PTR (u8, ptr)
57#define ACPI_SET16(ptr) *ACPI_CAST_PTR (u16, ptr)
58#define ACPI_SET32(ptr) *ACPI_CAST_PTR (u32, ptr)
59#define ACPI_SET64(ptr) *ACPI_CAST_PTR (u64, ptr)
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
Bob Mooredefba1d2005-12-16 17:05:00 -050061/*
Bob Moore78236652008-04-10 19:06:42 +040062 * printf() format helpers
63 */
64
Bob Mooreba494be2012-07-12 09:40:10 +080065/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
Bob Moore78236652008-04-10 19:06:42 +040066
Bob Moorec9bdd802008-08-04 09:54:17 +080067#define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i)
Bob Moore78236652008-04-10 19:06:42 +040068
69#if ACPI_MACHINE_WIDTH == 64
70#define ACPI_FORMAT_NATIVE_UINT(i) ACPI_FORMAT_UINT64(i)
71#else
72#define ACPI_FORMAT_NATIVE_UINT(i) 0, (i)
73#endif
74
75/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 * Macros for moving data around to/from buffers that are possibly unaligned.
77 * If the hardware supports the transfer of unaligned data, just do the store.
78 * Otherwise, we have to move one byte at a time.
79 */
80#ifdef ACPI_BIG_ENDIAN
81/*
82 * Macros for big-endian machines
83 */
84
Linus Torvalds1da177e2005-04-16 15:20:36 -070085/* These macros reverse the bytes during the move, converting little-endian to big endian */
86
Lv Zheng86ff0e52012-10-31 02:25:52 +000087 /* Big Endian <== Little Endian */
88 /* Hi...Lo Lo...Hi */
Linus Torvalds1da177e2005-04-16 15:20:36 -070089/* 16-bit source, 16/32/64 destination */
90
Bob Moorec9bdd802008-08-04 09:54:17 +080091#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
Lv Zheng86ff0e52012-10-31 02:25:52 +000092 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
Bob Moorec9bdd802008-08-04 09:54:17 +080094#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\
Lv Zheng86ff0e52012-10-31 02:25:52 +000095 ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
96 ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
Linus Torvalds1da177e2005-04-16 15:20:36 -070097
Bob Moorec9bdd802008-08-04 09:54:17 +080098#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\
Lv Zheng86ff0e52012-10-31 02:25:52 +000099 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
100 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101
102/* 32-bit source, 16/32/64 destination */
103
Bob Moorec9bdd802008-08-04 09:54:17 +0800104#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Bob Moorec9bdd802008-08-04 09:54:17 +0800106#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
Lv Zheng86ff0e52012-10-31 02:25:52 +0000107 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
108 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
109 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110
Bob Moorec9bdd802008-08-04 09:54:17 +0800111#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
113 ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
114 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
115 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
116
117/* 64-bit source, 16/32/64 destination */
118
Bob Moorec9bdd802008-08-04 09:54:17 +0800119#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120
Bob Moorec9bdd802008-08-04 09:54:17 +0800121#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
Bob Moorec9bdd802008-08-04 09:54:17 +0800123#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
125 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
126 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
127 (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
128 (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
129 (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
130 (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
131#else
132/*
133 * Macros for little-endian machines
134 */
135
Bob Moore08978312005-10-21 00:00:00 -0400136#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137
138/* The hardware supports unaligned transfers, just do the little-endian move */
139
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140/* 16-bit source, 16/32/64 destination */
141
Bob Moorec9bdd802008-08-04 09:54:17 +0800142#define ACPI_MOVE_16_TO_16(d, s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
143#define ACPI_MOVE_16_TO_32(d, s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
144#define ACPI_MOVE_16_TO_64(d, s) *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
146/* 32-bit source, 16/32/64 destination */
147
Bob Moorec9bdd802008-08-04 09:54:17 +0800148#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
149#define ACPI_MOVE_32_TO_32(d, s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
150#define ACPI_MOVE_32_TO_64(d, s) *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151
152/* 64-bit source, 16/32/64 destination */
153
Bob Moorec9bdd802008-08-04 09:54:17 +0800154#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
155#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */
156#define ACPI_MOVE_64_TO_64(d, s) *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157
158#else
159/*
Bob Moorec9bdd802008-08-04 09:54:17 +0800160 * The hardware does not support unaligned transfers. We must move the
161 * data one byte at a time. These macros work whether the source or
Bob Moore50df4d82008-12-31 03:01:23 +0800162 * the destination (or both) is/are unaligned. (Little-endian move)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163 */
164
165/* 16-bit source, 16/32/64 destination */
166
Bob Moorec9bdd802008-08-04 09:54:17 +0800167#define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
169
Bob Moorec9bdd802008-08-04 09:54:17 +0800170#define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
171#define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172
173/* 32-bit source, 16/32/64 destination */
174
Bob Moorec9bdd802008-08-04 09:54:17 +0800175#define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176
Bob Moorec9bdd802008-08-04 09:54:17 +0800177#define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
179 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
180 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
181
Bob Moorec9bdd802008-08-04 09:54:17 +0800182#define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183
184/* 64-bit source, 16/32/64 destination */
185
Bob Moorec9bdd802008-08-04 09:54:17 +0800186#define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */
187#define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */
188#define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189 (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
190 (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
191 (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
192 (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
193 (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
194 (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
195 (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
196#endif
197#endif
198
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199/*
200 * Fast power-of-two math macros for non-optimized compilers
201 */
Lv Zheng86ff0e52012-10-31 02:25:52 +0000202#define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2)))
203#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2)))
204#define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205
Bob Moorec9bdd802008-08-04 09:54:17 +0800206#define ACPI_DIV_2(a) _ACPI_DIV(a, 1)
207#define ACPI_MUL_2(a) _ACPI_MUL(a, 1)
208#define ACPI_MOD_2(a) _ACPI_MOD(a, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209
Bob Moorec9bdd802008-08-04 09:54:17 +0800210#define ACPI_DIV_4(a) _ACPI_DIV(a, 2)
211#define ACPI_MUL_4(a) _ACPI_MUL(a, 2)
212#define ACPI_MOD_4(a) _ACPI_MOD(a, 4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213
Bob Moorec9bdd802008-08-04 09:54:17 +0800214#define ACPI_DIV_8(a) _ACPI_DIV(a, 3)
215#define ACPI_MUL_8(a) _ACPI_MUL(a, 3)
216#define ACPI_MOD_8(a) _ACPI_MOD(a, 8)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217
Bob Moorec9bdd802008-08-04 09:54:17 +0800218#define ACPI_DIV_16(a) _ACPI_DIV(a, 4)
219#define ACPI_MUL_16(a) _ACPI_MUL(a, 4)
220#define ACPI_MOD_16(a) _ACPI_MOD(a, 16)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221
Bob Moorec9bdd802008-08-04 09:54:17 +0800222#define ACPI_DIV_32(a) _ACPI_DIV(a, 5)
223#define ACPI_MUL_32(a) _ACPI_MUL(a, 5)
224#define ACPI_MOD_32(a) _ACPI_MOD(a, 32)
Bob Moore28f55eb2005-12-02 18:27:00 -0500225
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226/*
227 * Rounding macros (Power of two boundaries only)
228 */
Lv Zheng86ff0e52012-10-31 02:25:52 +0000229#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \
230 (~(((acpi_size) boundary)-1)))
Bob Mooreb8e4d892006-01-27 16:43:00 -0500231
Lv Zheng86ff0e52012-10-31 02:25:52 +0000232#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \
233 (((acpi_size) boundary)-1)) & \
234 (~(((acpi_size) boundary)-1)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235
Bob Moore67a119f2008-06-10 13:42:13 +0800236/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237
Bob Moorec9bdd802008-08-04 09:54:17 +0800238#define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4)
239#define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8)
240#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(acpi_size))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241
Bob Moorec9bdd802008-08-04 09:54:17 +0800242#define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4)
243#define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8)
244#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(acpi_size))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245
Bob Mooreea936b72006-02-17 00:00:00 -0500246#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
247#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
248
249#define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250
251/* Generic (non-power-of-two) rounding */
252
Bob Moorec9bdd802008-08-04 09:54:17 +0800253#define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary))
Bob Mooreea936b72006-02-17 00:00:00 -0500254
Lv Zheng86ff0e52012-10-31 02:25:52 +0000255#define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256
257/*
258 * Bitmask creation
259 * Bit positions start at zero.
260 * MASK_BITS_ABOVE creates a mask starting AT the position and above
261 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
262 */
Bob Moore5df7e6c2010-01-21 10:06:32 +0800263#define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position))))
264#define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700265
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266/* Bitfields within ACPI registers */
267
Bob Moorebe030a52012-08-17 13:07:54 +0800268#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) \
269 ((val << pos) & mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270
Bob Moorebe030a52012-08-17 13:07:54 +0800271#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) \
272 reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
273
274#define ACPI_INSERT_BITS(target, mask, source) \
275 target = ((target & (~(mask))) | (source & mask))
276
277/* Generic bitfield macros and masks */
278
279#define ACPI_GET_BITS(source_ptr, position, mask) \
280 ((*source_ptr >> position) & mask)
281
282#define ACPI_SET_BITS(target_ptr, position, mask, value) \
283 (*target_ptr |= ((value & mask) << position))
284
285#define ACPI_1BIT_MASK 0x00000001
286#define ACPI_2BIT_MASK 0x00000003
287#define ACPI_3BIT_MASK 0x00000007
288#define ACPI_4BIT_MASK 0x0000000F
289#define ACPI_5BIT_MASK 0x0000001F
290#define ACPI_6BIT_MASK 0x0000003F
291#define ACPI_7BIT_MASK 0x0000007F
292#define ACPI_8BIT_MASK 0x000000FF
293#define ACPI_16BIT_MASK 0x0000FFFF
294#define ACPI_24BIT_MASK 0x00FFFFFF
Bob Moore967440e32006-06-23 17:04:00 -0400295
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296/*
Bob Moorecf489582012-07-16 09:52:27 +0800297 * An object of type struct acpi_namespace_node can appear in some contexts
298 * where a pointer to an object of type union acpi_operand_object can also
Bob Moorec9bdd802008-08-04 09:54:17 +0800299 * appear. This macro is used to distinguish them.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300 *
301 * The "Descriptor" field is the first field in both structures.
302 */
Bob Moore616861242006-03-17 16:44:00 -0500303#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
Bob Moorec9bdd802008-08-04 09:54:17 +0800304#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306/*
307 * Macros for the master AML opcode table
308 */
Bob Moorec9bdd802008-08-04 09:54:17 +0800309#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
310#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
311 {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312#else
Bob Moorec9bdd802008-08-04 09:54:17 +0800313#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
314 {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315#endif
316
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317#define ARG_TYPE_WIDTH 5
318#define ARG_1(x) ((u32)(x))
319#define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH))
320#define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH))
321#define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH))
322#define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH))
323#define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH))
324
325#define ARGI_LIST1(a) (ARG_1(a))
Bob Moorec9bdd802008-08-04 09:54:17 +0800326#define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a))
327#define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a))
328#define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
329#define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
330#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))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331
332#define ARGP_LIST1(a) (ARG_1(a))
Bob Moorec9bdd802008-08-04 09:54:17 +0800333#define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b))
334#define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c))
335#define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
336#define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
337#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))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338
339#define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F))
340#define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH))
341
Bob Moore4a90c7e2006-01-13 16:22:00 -0500342/*
343 * Ascii error messages can be configured out
344 */
345#ifndef ACPI_NO_ERROR_MESSAGES
Bob Moore4a90c7e2006-01-13 16:22:00 -0500346/*
Bob Mooreb8e4d892006-01-27 16:43:00 -0500347 * Error reporting. Callers module and line number are inserted by AE_INFO,
348 * the plist contains a set of parens to allow variable-length lists.
349 * These macros are used for both the debug and non-debug versions of the code.
Bob Moore4a90c7e2006-01-13 16:22:00 -0500350 */
Bob Moorecc84e262010-09-15 14:09:14 +0800351#define ACPI_ERROR_NAMESPACE(s, e) acpi_ut_namespace_error (AE_INFO, s, e);
352#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ut_method_error (AE_INFO, s, n, p, e);
Bob Moore0444e8f2009-06-24 13:38:02 +0800353#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist
Bob Moore7df200c2009-11-12 09:18:45 +0800354#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist
Bob Moore4a90c7e2006-01-13 16:22:00 -0500355
Bob Moore4a90c7e2006-01-13 16:22:00 -0500356#else
357
358/* No error messages */
359
Bob Moorec9bdd802008-08-04 09:54:17 +0800360#define ACPI_ERROR_NAMESPACE(s, e)
361#define ACPI_ERROR_METHOD(s, n, p, e)
Bob Moore0444e8f2009-06-24 13:38:02 +0800362#define ACPI_WARN_PREDEFINED(plist)
Bob Moore7df200c2009-11-12 09:18:45 +0800363#define ACPI_INFO_PREDEFINED(plist)
364
Lv Zheng86ff0e52012-10-31 02:25:52 +0000365#endif /* ACPI_NO_ERROR_MESSAGES */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366
367/*
368 * Debug macros that are conditionally compiled
369 */
370#ifdef ACPI_DEBUG_OUTPUT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371/*
Robert Mooref9f46012005-07-08 00:00:00 -0400372 * Function entry tracing
373 */
Robert Mooref9f46012005-07-08 00:00:00 -0400374#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
Bob Moore616861242006-03-17 16:44:00 -0500375 acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
Bob Moorec9bdd802008-08-04 09:54:17 +0800376#define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \
377 acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS, (void *)b)
378#define ACPI_FUNCTION_TRACE_U32(a, b) ACPI_FUNCTION_NAME(a) \
379 acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS, (u32)b)
380#define ACPI_FUNCTION_TRACE_STR(a, b) ACPI_FUNCTION_NAME(a) \
381 acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS, (char *)b)
Robert Mooref9f46012005-07-08 00:00:00 -0400382
383#define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr()
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384
385/*
386 * Function exit tracing.
Bob Moorec9bdd802008-08-04 09:54:17 +0800387 * WARNING: These macros include a return statement. This is usually considered
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388 * bad form, but having a separate exit macro is very ugly and difficult to maintain.
389 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
Bob Mooreb229cf92006-04-21 17:15:00 -0400390 * so that "_AcpiFunctionName" is defined.
Bob Moore50eca3e2005-09-30 19:03:00 -0400391 *
392 * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
393 * about these constructs.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 */
395#ifdef ACPI_USE_DO_WHILE_0
396#define ACPI_DO_WHILE0(a) do a while(0)
397#else
398#define ACPI_DO_WHILE0(a) a
399#endif
400
Bob Moore50eca3e2005-09-30 19:03:00 -0400401#define return_VOID ACPI_DO_WHILE0 ({ \
402 acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
403 return;})
404/*
405 * There are two versions of most of the return macros. The default version is
406 * safer, since it avoids side-effects by guaranteeing that the argument will
407 * not be evaluated twice.
408 *
409 * A less-safe version of the macros is provided for optional use if the
410 * compiler uses excessive CPU stack (for example, this may happen in the
411 * debug case if code optimzation is disabled.)
412 */
413#ifndef ACPI_SIMPLE_RETURN_MACROS
414
415#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
416 register acpi_status _s = (s); \
417 acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, _s); \
418 return (_s); })
419#define return_PTR(s) ACPI_DO_WHILE0 ({ \
420 register void *_s = (void *) (s); \
421 acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \
422 return (_s); })
423#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
Bob Moore5df7e6c2010-01-21 10:06:32 +0800424 register u64 _s = (s); \
Bob Moore50eca3e2005-09-30 19:03:00 -0400425 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \
426 return (_s); })
427#define return_UINT8(s) ACPI_DO_WHILE0 ({ \
428 register u8 _s = (u8) (s); \
Bob Moore5df7e6c2010-01-21 10:06:32 +0800429 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \
Bob Moore50eca3e2005-09-30 19:03:00 -0400430 return (_s); })
431#define return_UINT32(s) ACPI_DO_WHILE0 ({ \
432 register u32 _s = (u32) (s); \
Bob Moore5df7e6c2010-01-21 10:06:32 +0800433 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \
Bob Moore50eca3e2005-09-30 19:03:00 -0400434 return (_s); })
435#else /* Use original less-safe macros */
436
437#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
438 acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, (s)); \
439 return((s)); })
440#define return_PTR(s) ACPI_DO_WHILE0 ({ \
441 acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \
442 return((s)); })
443#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
Bob Moore5df7e6c2010-01-21 10:06:32 +0800444 acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) (s)); \
Bob Moore50eca3e2005-09-30 19:03:00 -0400445 return((s)); })
446#define return_UINT8(s) return_VALUE(s)
447#define return_UINT32(s) return_VALUE(s)
448
449#endif /* ACPI_SIMPLE_RETURN_MACROS */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450
451/* Conditional execution */
452
453#define ACPI_DEBUG_EXEC(a) a
Linus Torvalds1da177e2005-04-16 15:20:36 -0700454#define ACPI_DEBUG_ONLY_MEMBERS(a) a;
455#define _VERBOSE_STRUCTURES
456
Lv Zheng86ff0e52012-10-31 02:25:52 +0000457/* Various object display routines for debug */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458
Bob Moorec9bdd802008-08-04 09:54:17 +0800459#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0)
Lv Zheng86ff0e52012-10-31 02:25:52 +0000460#define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c)
Bob Moorec9bdd802008-08-04 09:54:17 +0800461#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b)
462#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d)
Bob Moore97171c62012-10-31 02:28:11 +0000463#define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465#else
466/*
467 * This is the non-debug case -- make everything go away,
468 * leaving no executable debug code!
469 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470#define ACPI_DEBUG_EXEC(a)
Lv Zheng86ff0e52012-10-31 02:25:52 +0000471#define ACPI_DEBUG_ONLY_MEMBERS(a)
472#define ACPI_FUNCTION_TRACE(a)
473#define ACPI_FUNCTION_TRACE_PTR(a, b)
474#define ACPI_FUNCTION_TRACE_U32(a, b)
475#define ACPI_FUNCTION_TRACE_STR(a, b)
476#define ACPI_FUNCTION_EXIT
477#define ACPI_FUNCTION_STATUS_EXIT(s)
478#define ACPI_FUNCTION_VALUE_EXIT(s)
479#define ACPI_FUNCTION_ENTRY()
480#define ACPI_DUMP_STACK_ENTRY(a)
481#define ACPI_DUMP_OPERANDS(a, b, c)
482#define ACPI_DUMP_ENTRY(a, b)
483#define ACPI_DUMP_TABLES(a, b)
484#define ACPI_DUMP_PATHNAME(a, b, c, d)
485#define ACPI_DUMP_BUFFER(a, b)
486#define ACPI_DEBUG_PRINT(pl)
487#define ACPI_DEBUG_PRINT_RAW(pl)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488
489#define return_VOID return
490#define return_ACPI_STATUS(s) return(s)
491#define return_VALUE(s) return(s)
Bob Moore50eca3e2005-09-30 19:03:00 -0400492#define return_UINT8(s) return(s)
493#define return_UINT32(s) return(s)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494#define return_PTR(s) return(s)
495
Bob Moore50df4d82008-12-31 03:01:23 +0800496#endif /* ACPI_DEBUG_OUTPUT */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
Bob Moore72a88872012-02-14 18:57:13 +0800498#if (!ACPI_REDUCED_HARDWARE)
499#define ACPI_HW_OPTIONAL_FUNCTION(addr) addr
500#else
501#define ACPI_HW_OPTIONAL_FUNCTION(addr) NULL
502#endif
503
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504/*
505 * Some code only gets executed when the debugger is built in.
506 * Note that this is entirely independent of whether the
507 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
508 */
509#ifdef ACPI_DEBUGGER
510#define ACPI_DEBUGGER_EXEC(a) a
511#else
512#define ACPI_DEBUGGER_EXEC(a)
513#endif
514
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515/*
516 * Memory allocation tracking (DEBUG ONLY)
517 */
Bob Moorec9bdd802008-08-04 09:54:17 +0800518#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__
519
Linus Torvalds1da177e2005-04-16 15:20:36 -0700520#ifndef ACPI_DBG_TRACK_ALLOCATIONS
521
522/* Memory allocation */
523
Len Browne21c1ca2006-07-10 01:35:51 -0400524#ifndef ACPI_ALLOCATE
Lv Zheng86ff0e52012-10-31 02:25:52 +0000525#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size) (a), ACPI_MEM_PARAMETERS)
Len Browne21c1ca2006-07-10 01:35:51 -0400526#endif
527#ifndef ACPI_ALLOCATE_ZEROED
Lv Zheng86ff0e52012-10-31 02:25:52 +0000528#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size) (a), ACPI_MEM_PARAMETERS)
Len Browne21c1ca2006-07-10 01:35:51 -0400529#endif
530#ifndef ACPI_FREE
Lv Zheng86ff0e52012-10-31 02:25:52 +0000531#define ACPI_FREE(a) acpi_os_free(a)
Len Browne21c1ca2006-07-10 01:35:51 -0400532#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700533#define ACPI_MEM_TRACKING(a)
534
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535#else
536
537/* Memory allocation */
538
Lv Zheng86ff0e52012-10-31 02:25:52 +0000539#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size) (a), ACPI_MEM_PARAMETERS)
540#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size) (a), ACPI_MEM_PARAMETERS)
Bob Moorec9bdd802008-08-04 09:54:17 +0800541#define ACPI_FREE(a) acpi_ut_free_and_track(a, ACPI_MEM_PARAMETERS)
Bob Moore616861242006-03-17 16:44:00 -0500542#define ACPI_MEM_TRACKING(a) a
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543
Len Brown4be44fc2005-08-05 00:44:28 -0400544#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545
Lv Zheng86ff0e52012-10-31 02:25:52 +0000546/*
547 * Macros used for ACPICA utilities only
548 */
549
550/* Generate a UUID */
551
552#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
553 (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
554 (b) & 0xFF, ((b) >> 8) & 0xFF, \
555 (c) & 0xFF, ((c) >> 8) & 0xFF, \
556 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
557
558#define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7'))
Alexey Starikovskiy8bd108d2008-09-25 21:40:30 +0400559
Len Brown4be44fc2005-08-05 00:44:28 -0400560#endif /* ACMACROS_H */