Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6595 | serge | 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 | * Extract data using a pointer. Any more than a byte and we |
||
| 49 | * get into potential aligment issues -- see the STORE macros below. |
||
| 50 | * Use with care. |
||
| 51 | */ |
||
| 52 | #define ACPI_CAST8(ptr) ACPI_CAST_PTR (u8, (ptr)) |
||
| 53 | #define ACPI_CAST16(ptr) ACPI_CAST_PTR (u16, (ptr)) |
||
| 54 | #define ACPI_CAST32(ptr) ACPI_CAST_PTR (u32, (ptr)) |
||
| 55 | #define ACPI_CAST64(ptr) ACPI_CAST_PTR (u64, (ptr)) |
||
| 56 | #define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr)) |
||
| 57 | #define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr)) |
||
| 58 | #define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr)) |
||
| 59 | #define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr)) |
||
| 60 | #define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (u8) (val)) |
||
| 61 | #define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (u16) (val)) |
||
| 62 | #define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (u32) (val)) |
||
| 63 | #define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (u64) (val)) |
||
| 64 | |||
| 65 | /* |
||
| 66 | * printf() format helper. This macros is a workaround for the difficulties |
||
| 67 | * with emitting 64-bit integers and 64-bit pointers with the same code |
||
| 68 | * for both 32-bit and 64-bit hosts. |
||
| 69 | */ |
||
| 70 | #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i) |
||
| 71 | |||
| 72 | /* |
||
| 73 | * Macros for moving data around to/from buffers that are possibly unaligned. |
||
| 74 | * If the hardware supports the transfer of unaligned data, just do the store. |
||
| 75 | * Otherwise, we have to move one byte at a time. |
||
| 76 | */ |
||
| 77 | #ifdef ACPI_BIG_ENDIAN |
||
| 78 | /* |
||
| 79 | * Macros for big-endian machines |
||
| 80 | */ |
||
| 81 | |||
| 82 | /* These macros reverse the bytes during the move, converting little-endian to big endian */ |
||
| 83 | |||
| 84 | /* Big Endian <== Little Endian */ |
||
| 85 | /* Hi...Lo Lo...Hi */ |
||
| 86 | /* 16-bit source, 16/32/64 destination */ |
||
| 87 | |||
| 88 | #define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\ |
||
| 89 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];} |
||
| 90 | |||
| 91 | #define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\ |
||
| 92 | ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ |
||
| 93 | ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} |
||
| 94 | |||
| 95 | #define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\ |
||
| 96 | ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ |
||
| 97 | ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} |
||
| 98 | |||
| 99 | /* 32-bit source, 16/32/64 destination */ |
||
| 100 | |||
| 101 | #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ |
||
| 102 | |||
| 103 | #define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\ |
||
| 104 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\ |
||
| 105 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ |
||
| 106 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} |
||
| 107 | |||
| 108 | #define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\ |
||
| 109 | ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ |
||
| 110 | ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\ |
||
| 111 | ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ |
||
| 112 | ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} |
||
| 113 | |||
| 114 | /* 64-bit source, 16/32/64 destination */ |
||
| 115 | |||
| 116 | #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ |
||
| 117 | |||
| 118 | #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ |
||
| 119 | |||
| 120 | #define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\ |
||
| 121 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\ |
||
| 122 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\ |
||
| 123 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\ |
||
| 124 | (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ |
||
| 125 | (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\ |
||
| 126 | (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ |
||
| 127 | (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} |
||
| 128 | #else |
||
| 129 | /* |
||
| 130 | * Macros for little-endian machines |
||
| 131 | */ |
||
| 132 | |||
| 133 | #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED |
||
| 134 | |||
| 135 | /* The hardware supports unaligned transfers, just do the little-endian move */ |
||
| 136 | |||
| 137 | /* 16-bit source, 16/32/64 destination */ |
||
| 138 | |||
| 139 | #define ACPI_MOVE_16_TO_16(d, s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s) |
||
| 140 | #define ACPI_MOVE_16_TO_32(d, s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s) |
||
| 141 | #define ACPI_MOVE_16_TO_64(d, s) *(u64 *)(void *)(d) = *(u16 *)(void *)(s) |
||
| 142 | |||
| 143 | /* 32-bit source, 16/32/64 destination */ |
||
| 144 | |||
| 145 | #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ |
||
| 146 | #define ACPI_MOVE_32_TO_32(d, s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s) |
||
| 147 | #define ACPI_MOVE_32_TO_64(d, s) *(u64 *)(void *)(d) = *(u32 *)(void *)(s) |
||
| 148 | |||
| 149 | /* 64-bit source, 16/32/64 destination */ |
||
| 150 | |||
| 151 | #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ |
||
| 152 | #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ |
||
| 153 | #define ACPI_MOVE_64_TO_64(d, s) *(u64 *)(void *)(d) = *(u64 *)(void *)(s) |
||
| 154 | |||
| 155 | #else |
||
| 156 | /* |
||
| 157 | * The hardware does not support unaligned transfers. We must move the |
||
| 158 | * data one byte at a time. These macros work whether the source or |
||
| 159 | * the destination (or both) is/are unaligned. (Little-endian move) |
||
| 160 | */ |
||
| 161 | |||
| 162 | /* 16-bit source, 16/32/64 destination */ |
||
| 163 | |||
| 164 | #define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ |
||
| 165 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];} |
||
| 166 | |||
| 167 | #define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} |
||
| 168 | #define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);} |
||
| 169 | |||
| 170 | /* 32-bit source, 16/32/64 destination */ |
||
| 171 | |||
| 172 | #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ |
||
| 173 | |||
| 174 | #define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ |
||
| 175 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\ |
||
| 176 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\ |
||
| 177 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];} |
||
| 178 | |||
| 179 | #define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);} |
||
| 180 | |||
| 181 | /* 64-bit source, 16/32/64 destination */ |
||
| 182 | |||
| 183 | #define ACPI_MOVE_64_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ |
||
| 184 | #define ACPI_MOVE_64_TO_32(d, s) ACPI_MOVE_32_TO_32(d, s) /* Truncate to 32 */ |
||
| 185 | #define ACPI_MOVE_64_TO_64(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ |
||
| 186 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\ |
||
| 187 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\ |
||
| 188 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\ |
||
| 189 | (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\ |
||
| 190 | (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\ |
||
| 191 | (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\ |
||
| 192 | (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];} |
||
| 193 | #endif |
||
| 194 | #endif |
||
| 195 | |||
| 196 | /* |
||
| 197 | * Fast power-of-two math macros for non-optimized compilers |
||
| 198 | */ |
||
| 199 | #define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2))) |
||
| 200 | #define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2))) |
||
| 201 | #define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1))) |
||
| 202 | |||
| 203 | #define ACPI_DIV_2(a) _ACPI_DIV(a, 1) |
||
| 204 | #define ACPI_MUL_2(a) _ACPI_MUL(a, 1) |
||
| 205 | #define ACPI_MOD_2(a) _ACPI_MOD(a, 2) |
||
| 206 | |||
| 207 | #define ACPI_DIV_4(a) _ACPI_DIV(a, 2) |
||
| 208 | #define ACPI_MUL_4(a) _ACPI_MUL(a, 2) |
||
| 209 | #define ACPI_MOD_4(a) _ACPI_MOD(a, 4) |
||
| 210 | |||
| 211 | #define ACPI_DIV_8(a) _ACPI_DIV(a, 3) |
||
| 212 | #define ACPI_MUL_8(a) _ACPI_MUL(a, 3) |
||
| 213 | #define ACPI_MOD_8(a) _ACPI_MOD(a, 8) |
||
| 214 | |||
| 215 | #define ACPI_DIV_16(a) _ACPI_DIV(a, 4) |
||
| 216 | #define ACPI_MUL_16(a) _ACPI_MUL(a, 4) |
||
| 217 | #define ACPI_MOD_16(a) _ACPI_MOD(a, 16) |
||
| 218 | |||
| 219 | #define ACPI_DIV_32(a) _ACPI_DIV(a, 5) |
||
| 220 | #define ACPI_MUL_32(a) _ACPI_MUL(a, 5) |
||
| 221 | #define ACPI_MOD_32(a) _ACPI_MOD(a, 32) |
||
| 222 | |||
| 223 | /* Test for ASCII character */ |
||
| 224 | |||
| 225 | #define ACPI_IS_ASCII(c) ((c) < 0x80) |
||
| 226 | |||
| 227 | /* Signed integers */ |
||
| 228 | |||
| 229 | #define ACPI_SIGN_POSITIVE 0 |
||
| 230 | #define ACPI_SIGN_NEGATIVE 1 |
||
| 231 | |||
| 232 | /* |
||
| 233 | * Rounding macros (Power of two boundaries only) |
||
| 234 | */ |
||
| 235 | #define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \ |
||
| 236 | (~(((acpi_size) boundary)-1))) |
||
| 237 | |||
| 238 | #define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \ |
||
| 239 | (((acpi_size) boundary)-1)) & \ |
||
| 240 | (~(((acpi_size) boundary)-1))) |
||
| 241 | |||
| 242 | /* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */ |
||
| 243 | |||
| 244 | #define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a, 4) |
||
| 245 | #define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a, 8) |
||
| 246 | #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a, sizeof(acpi_size)) |
||
| 247 | |||
| 248 | #define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a, 4) |
||
| 249 | #define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a, 8) |
||
| 250 | #define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a, sizeof(acpi_size)) |
||
| 251 | |||
| 252 | #define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7) |
||
| 253 | #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a)) |
||
| 254 | |||
| 255 | #define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10) |
||
| 256 | |||
| 257 | /* Generic (non-power-of-two) rounding */ |
||
| 258 | |||
| 259 | #define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary)) |
||
| 260 | |||
| 261 | #define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1)) |
||
| 262 | |||
| 263 | /* |
||
| 264 | * Bitmask creation |
||
| 265 | * Bit positions start at zero. |
||
| 266 | * MASK_BITS_ABOVE creates a mask starting AT the position and above |
||
| 267 | * MASK_BITS_BELOW creates a mask starting one bit BELOW the position |
||
| 268 | */ |
||
| 269 | #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position)))) |
||
| 270 | #define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position))) |
||
| 271 | |||
| 272 | /* Bitfields within ACPI registers */ |
||
| 273 | |||
| 274 | #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) \ |
||
| 275 | ((val << pos) & mask) |
||
| 276 | |||
| 277 | #define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) \ |
||
| 278 | reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask) |
||
| 279 | |||
| 280 | #define ACPI_INSERT_BITS(target, mask, source) \ |
||
| 281 | target = ((target & (~(mask))) | (source & mask)) |
||
| 282 | |||
| 283 | /* Generic bitfield macros and masks */ |
||
| 284 | |||
| 285 | #define ACPI_GET_BITS(source_ptr, position, mask) \ |
||
| 286 | ((*source_ptr >> position) & mask) |
||
| 287 | |||
| 288 | #define ACPI_SET_BITS(target_ptr, position, mask, value) \ |
||
| 289 | (*target_ptr |= ((value & mask) << position)) |
||
| 290 | |||
| 291 | #define ACPI_1BIT_MASK 0x00000001 |
||
| 292 | #define ACPI_2BIT_MASK 0x00000003 |
||
| 293 | #define ACPI_3BIT_MASK 0x00000007 |
||
| 294 | #define ACPI_4BIT_MASK 0x0000000F |
||
| 295 | #define ACPI_5BIT_MASK 0x0000001F |
||
| 296 | #define ACPI_6BIT_MASK 0x0000003F |
||
| 297 | #define ACPI_7BIT_MASK 0x0000007F |
||
| 298 | #define ACPI_8BIT_MASK 0x000000FF |
||
| 299 | #define ACPI_16BIT_MASK 0x0000FFFF |
||
| 300 | #define ACPI_24BIT_MASK 0x00FFFFFF |
||
| 301 | |||
| 302 | /* Macros to extract flag bits from position zero */ |
||
| 303 | |||
| 304 | #define ACPI_GET_1BIT_FLAG(value) ((value) & ACPI_1BIT_MASK) |
||
| 305 | #define ACPI_GET_2BIT_FLAG(value) ((value) & ACPI_2BIT_MASK) |
||
| 306 | #define ACPI_GET_3BIT_FLAG(value) ((value) & ACPI_3BIT_MASK) |
||
| 307 | #define ACPI_GET_4BIT_FLAG(value) ((value) & ACPI_4BIT_MASK) |
||
| 308 | |||
| 309 | /* Macros to extract flag bits from position one and above */ |
||
| 310 | |||
| 311 | #define ACPI_EXTRACT_1BIT_FLAG(field, position) (ACPI_GET_1BIT_FLAG ((field) >> position)) |
||
| 312 | #define ACPI_EXTRACT_2BIT_FLAG(field, position) (ACPI_GET_2BIT_FLAG ((field) >> position)) |
||
| 313 | #define ACPI_EXTRACT_3BIT_FLAG(field, position) (ACPI_GET_3BIT_FLAG ((field) >> position)) |
||
| 314 | #define ACPI_EXTRACT_4BIT_FLAG(field, position) (ACPI_GET_4BIT_FLAG ((field) >> position)) |
||
| 315 | |||
| 316 | /* ACPI Pathname helpers */ |
||
| 317 | |||
| 318 | #define ACPI_IS_ROOT_PREFIX(c) ((c) == (u8) 0x5C) /* Backslash */ |
||
| 319 | #define ACPI_IS_PARENT_PREFIX(c) ((c) == (u8) 0x5E) /* Carat */ |
||
| 320 | #define ACPI_IS_PATH_SEPARATOR(c) ((c) == (u8) 0x2E) /* Period (dot) */ |
||
| 321 | |||
| 322 | /* |
||
| 323 | * An object of type struct acpi_namespace_node can appear in some contexts |
||
| 324 | * where a pointer to an object of type union acpi_operand_object can also |
||
| 325 | * appear. This macro is used to distinguish them. |
||
| 326 | * |
||
| 327 | * The "DescriptorType" field is the second field in both structures. |
||
| 328 | */ |
||
| 329 | #define ACPI_GET_DESCRIPTOR_PTR(d) (((union acpi_descriptor *)(void *)(d))->common.common_pointer) |
||
| 330 | #define ACPI_SET_DESCRIPTOR_PTR(d, p) (((union acpi_descriptor *)(void *)(d))->common.common_pointer = (p)) |
||
| 331 | #define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type) |
||
| 332 | #define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = (t)) |
||
| 333 | |||
| 334 | /* |
||
| 335 | * Macros for the master AML opcode table |
||
| 336 | */ |
||
| 337 | #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) |
||
| 338 | #define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \ |
||
| 339 | {name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type} |
||
| 340 | #else |
||
| 341 | #define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \ |
||
| 342 | {(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type} |
||
| 343 | #endif |
||
| 344 | |||
| 345 | #define ARG_TYPE_WIDTH 5 |
||
| 346 | #define ARG_1(x) ((u32)(x)) |
||
| 347 | #define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH)) |
||
| 348 | #define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH)) |
||
| 349 | #define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH)) |
||
| 350 | #define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH)) |
||
| 351 | #define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH)) |
||
| 352 | |||
| 353 | #define ARGI_LIST1(a) (ARG_1(a)) |
||
| 354 | #define ARGI_LIST2(a, b) (ARG_1(b)|ARG_2(a)) |
||
| 355 | #define ARGI_LIST3(a, b, c) (ARG_1(c)|ARG_2(b)|ARG_3(a)) |
||
| 356 | #define ARGI_LIST4(a, b, c, d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a)) |
||
| 357 | #define ARGI_LIST5(a, b, c, d, e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a)) |
||
| 358 | #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)) |
||
| 359 | |||
| 360 | #define ARGP_LIST1(a) (ARG_1(a)) |
||
| 361 | #define ARGP_LIST2(a, b) (ARG_1(a)|ARG_2(b)) |
||
| 362 | #define ARGP_LIST3(a, b, c) (ARG_1(a)|ARG_2(b)|ARG_3(c)) |
||
| 363 | #define ARGP_LIST4(a, b, c, d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)) |
||
| 364 | #define ARGP_LIST5(a, b, c, d, e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)) |
||
| 365 | #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)) |
||
| 366 | |||
| 367 | #define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F)) |
||
| 368 | #define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH)) |
||
| 369 | |||
| 370 | /* |
||
| 371 | * Ascii error messages can be configured out |
||
| 372 | */ |
||
| 373 | #ifndef ACPI_NO_ERROR_MESSAGES |
||
| 374 | /* |
||
| 375 | * Error reporting. Callers module and line number are inserted by AE_INFO, |
||
| 376 | * the plist contains a set of parens to allow variable-length lists. |
||
| 377 | * These macros are used for both the debug and non-debug versions of the code. |
||
| 378 | */ |
||
| 379 | #define ACPI_ERROR_NAMESPACE(s, e) acpi_ut_namespace_error (AE_INFO, s, e); |
||
| 380 | #define ACPI_ERROR_METHOD(s, n, p, e) acpi_ut_method_error (AE_INFO, s, n, p, e); |
||
| 381 | #define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist |
||
| 382 | #define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist |
||
| 383 | #define ACPI_BIOS_ERROR_PREDEFINED(plist) acpi_ut_predefined_bios_error plist |
||
| 384 | |||
| 385 | #else |
||
| 386 | |||
| 387 | /* No error messages */ |
||
| 388 | |||
| 389 | #define ACPI_ERROR_NAMESPACE(s, e) |
||
| 390 | #define ACPI_ERROR_METHOD(s, n, p, e) |
||
| 391 | #define ACPI_WARN_PREDEFINED(plist) |
||
| 392 | #define ACPI_INFO_PREDEFINED(plist) |
||
| 393 | #define ACPI_BIOS_ERROR_PREDEFINED(plist) |
||
| 394 | |||
| 395 | #endif /* ACPI_NO_ERROR_MESSAGES */ |
||
| 396 | |||
| 397 | #if (!ACPI_REDUCED_HARDWARE) |
||
| 398 | #define ACPI_HW_OPTIONAL_FUNCTION(addr) addr |
||
| 399 | #else |
||
| 400 | #define ACPI_HW_OPTIONAL_FUNCTION(addr) NULL |
||
| 401 | #endif |
||
| 402 | |||
| 403 | /* |
||
| 404 | * Some code only gets executed when the debugger is built in. |
||
| 405 | * Note that this is entirely independent of whether the |
||
| 406 | * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not. |
||
| 407 | */ |
||
| 408 | #ifdef ACPI_DEBUGGER |
||
| 409 | #define ACPI_DEBUGGER_EXEC(a) a |
||
| 410 | #else |
||
| 411 | #define ACPI_DEBUGGER_EXEC(a) |
||
| 412 | #endif |
||
| 413 | |||
| 414 | /* |
||
| 415 | * Macros used for ACPICA utilities only |
||
| 416 | */ |
||
| 417 | |||
| 418 | /* Generate a UUID */ |
||
| 419 | |||
| 420 | #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ |
||
| 421 | (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \ |
||
| 422 | (b) & 0xFF, ((b) >> 8) & 0xFF, \ |
||
| 423 | (c) & 0xFF, ((c) >> 8) & 0xFF, \ |
||
| 424 | (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) |
||
| 425 | |||
| 426 | #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7')) |
||
| 427 | |||
| 428 | #endif /* ACMACROS_H */ |