Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Name: acmacros.h - C macros for the entire subsystem. |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 8 | * Copyright (C) 2000 - 2006, R. Byron Moore |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | /* |
| 48 | * Data manipulation macros |
| 49 | */ |
| 50 | #define ACPI_LOWORD(l) ((u16)(u32)(l)) |
| 51 | #define ACPI_HIWORD(l) ((u16)((((u32)(l)) >> 16) & 0xFFFF)) |
| 52 | #define ACPI_LOBYTE(l) ((u8)(u16)(l)) |
| 53 | #define ACPI_HIBYTE(l) ((u8)((((u16)(l)) >> 8) & 0xFF)) |
| 54 | |
| 55 | #define ACPI_SET_BIT(target,bit) ((target) |= (bit)) |
| 56 | #define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit)) |
| 57 | #define ACPI_MIN(a,b) (((a)<(b))?(a):(b)) |
| 58 | |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 59 | /* Size calculation */ |
| 60 | |
| 61 | #define ACPI_ARRAY_LENGTH(x) (sizeof(x) / sizeof((x)[0])) |
| 62 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | #if ACPI_MACHINE_WIDTH == 16 |
| 64 | |
| 65 | /* |
| 66 | * For 16-bit addresses, we have to assume that the upper 32 bits |
Bob Moore | defba1d | 2005-12-16 17:05:00 -0500 | [diff] [blame] | 67 | * (out of 64) are zero. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | */ |
| 69 | #define ACPI_LODWORD(l) ((u32)(l)) |
| 70 | #define ACPI_HIDWORD(l) ((u32)(0)) |
| 71 | |
| 72 | #define ACPI_GET_ADDRESS(a) ((a).lo) |
| 73 | #define ACPI_STORE_ADDRESS(a,b) {(a).hi=0;(a).lo=(u32)(b);} |
| 74 | #define ACPI_VALID_ADDRESS(a) ((a).hi | (a).lo) |
| 75 | |
| 76 | #else |
| 77 | #ifdef ACPI_NO_INTEGER64_SUPPORT |
| 78 | /* |
| 79 | * acpi_integer is 32-bits, no 64-bit support on this platform |
| 80 | */ |
| 81 | #define ACPI_LODWORD(l) ((u32)(l)) |
| 82 | #define ACPI_HIDWORD(l) ((u32)(0)) |
| 83 | |
| 84 | #define ACPI_GET_ADDRESS(a) (a) |
| 85 | #define ACPI_STORE_ADDRESS(a,b) ((a)=(b)) |
| 86 | #define ACPI_VALID_ADDRESS(a) (a) |
| 87 | |
| 88 | #else |
| 89 | |
| 90 | /* |
| 91 | * Full 64-bit address/integer on both 32-bit and 64-bit platforms |
| 92 | */ |
| 93 | #define ACPI_LODWORD(l) ((u32)(u64)(l)) |
| 94 | #define ACPI_HIDWORD(l) ((u32)(((*(struct uint64_struct *)(void *)(&l))).hi)) |
| 95 | |
| 96 | #define ACPI_GET_ADDRESS(a) (a) |
| 97 | #define ACPI_STORE_ADDRESS(a,b) ((a)=(acpi_physical_address)(b)) |
| 98 | #define ACPI_VALID_ADDRESS(a) (a) |
| 99 | #endif |
| 100 | #endif |
| 101 | |
| 102 | /* |
| 103 | * printf() format helpers |
| 104 | */ |
| 105 | |
Bob Moore | 958dd24 | 2006-05-12 17:12:00 -0400 | [diff] [blame^] | 106 | /* Split 64-bit integer into two 32-bit values. Use with %8.8_x%8.8_x */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | |
| 108 | #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i),ACPI_LODWORD(i) |
| 109 | |
| 110 | /* |
Bob Moore | defba1d | 2005-12-16 17:05:00 -0500 | [diff] [blame] | 111 | * Extract data using a pointer. Any more than a byte and we |
| 112 | * get into potential aligment issues -- see the STORE macros below. |
| 113 | * Use with care. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | */ |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 115 | #define ACPI_GET8(ptr) *ACPI_CAST_PTR (u8, ptr) |
| 116 | #define ACPI_GET16(ptr) *ACPI_CAST_PTR (u16, ptr) |
| 117 | #define ACPI_GET32(ptr) *ACPI_CAST_PTR (u32, ptr) |
| 118 | #define ACPI_GET64(ptr) *ACPI_CAST_PTR (u64, ptr) |
| 119 | #define ACPI_SET8(ptr) *ACPI_CAST_PTR (u8, ptr) |
| 120 | #define ACPI_SET16(ptr) *ACPI_CAST_PTR (u16, ptr) |
| 121 | #define ACPI_SET32(ptr) *ACPI_CAST_PTR (u32, ptr) |
| 122 | #define ACPI_SET64(ptr) *ACPI_CAST_PTR (u64, ptr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
Bob Moore | defba1d | 2005-12-16 17:05:00 -0500 | [diff] [blame] | 124 | /* |
| 125 | * Pointer manipulation |
| 126 | */ |
| 127 | #define ACPI_CAST_PTR(t, p) ((t *) (acpi_uintptr_t) (p)) |
| 128 | #define ACPI_CAST_INDIRECT_PTR(t, p) ((t **) (acpi_uintptr_t) (p)) |
| 129 | #define ACPI_ADD_PTR(t,a,b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8,(a)) + (acpi_native_uint)(b))) |
| 130 | #define ACPI_PTR_DIFF(a,b) (acpi_native_uint) (ACPI_CAST_PTR (u8,(a)) - ACPI_CAST_PTR (u8,(b))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
| 132 | /* Pointer/Integer type conversions */ |
| 133 | |
Bob Moore | defba1d | 2005-12-16 17:05:00 -0500 | [diff] [blame] | 134 | #define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void,(void *) NULL,(acpi_native_uint) i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | #define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL) |
| 136 | #define ACPI_OFFSET(d,f) (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | #if ACPI_MACHINE_WIDTH == 16 |
| 139 | #define ACPI_STORE_POINTER(d,s) ACPI_MOVE_32_TO_32(d,s) |
| 140 | #define ACPI_PHYSADDR_TO_PTR(i) (void *)(i) |
Bob Moore | defba1d | 2005-12-16 17:05:00 -0500 | [diff] [blame] | 141 | #define ACPI_PTR_TO_PHYSADDR(i) (u32) ACPI_CAST_PTR (u8,(i)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | #else |
| 143 | #define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i) |
| 144 | #define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i) |
| 145 | #endif |
| 146 | |
Bob Moore | 793c238 | 2006-03-31 00:00:00 -0500 | [diff] [blame] | 147 | #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED |
| 148 | #define ACPI_COMPARE_NAME(a,b) (*ACPI_CAST_PTR (u32,(a)) == *ACPI_CAST_PTR (u32,(b))) |
| 149 | #else |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 150 | #define ACPI_COMPARE_NAME(a,b) (!ACPI_STRNCMP (ACPI_CAST_PTR (char,(a)), ACPI_CAST_PTR (char,(b)), ACPI_NAME_SIZE)) |
Bob Moore | 793c238 | 2006-03-31 00:00:00 -0500 | [diff] [blame] | 151 | #endif |
| 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | /* |
| 154 | * Macros for moving data around to/from buffers that are possibly unaligned. |
| 155 | * If the hardware supports the transfer of unaligned data, just do the store. |
| 156 | * Otherwise, we have to move one byte at a time. |
| 157 | */ |
| 158 | #ifdef ACPI_BIG_ENDIAN |
| 159 | /* |
| 160 | * Macros for big-endian machines |
| 161 | */ |
| 162 | |
| 163 | /* This macro sets a buffer index, starting from the end of the buffer */ |
| 164 | |
| 165 | #define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) ((buf_len) - (((buf_offset)+1) * (byte_gran))) |
| 166 | |
| 167 | /* These macros reverse the bytes during the move, converting little-endian to big endian */ |
| 168 | |
| 169 | /* Big Endian <== Little Endian */ |
| 170 | /* Hi...Lo Lo...Hi */ |
| 171 | /* 16-bit source, 16/32/64 destination */ |
| 172 | |
| 173 | #define ACPI_MOVE_16_TO_16(d,s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\ |
| 174 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];} |
| 175 | |
| 176 | #define ACPI_MOVE_16_TO_32(d,s) {(*(u32 *)(void *)(d))=0;\ |
| 177 | ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ |
| 178 | ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} |
| 179 | |
| 180 | #define ACPI_MOVE_16_TO_64(d,s) {(*(u64 *)(void *)(d))=0;\ |
| 181 | ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ |
| 182 | ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} |
| 183 | |
| 184 | /* 32-bit source, 16/32/64 destination */ |
| 185 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 186 | #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | #define ACPI_MOVE_32_TO_32(d,s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\ |
| 189 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\ |
| 190 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ |
| 191 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} |
| 192 | |
| 193 | #define ACPI_MOVE_32_TO_64(d,s) {(*(u64 *)(void *)(d))=0;\ |
| 194 | ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ |
| 195 | ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\ |
| 196 | ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ |
| 197 | ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} |
| 198 | |
| 199 | /* 64-bit source, 16/32/64 destination */ |
| 200 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 201 | #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 203 | #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | |
| 205 | #define ACPI_MOVE_64_TO_64(d,s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\ |
| 206 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\ |
| 207 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\ |
| 208 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\ |
| 209 | (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ |
| 210 | (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\ |
| 211 | (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ |
| 212 | (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} |
| 213 | #else |
| 214 | /* |
| 215 | * Macros for little-endian machines |
| 216 | */ |
| 217 | |
| 218 | /* This macro sets a buffer index, starting from the beginning of the buffer */ |
| 219 | |
| 220 | #define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) (buf_offset) |
| 221 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 222 | #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | |
| 224 | /* The hardware supports unaligned transfers, just do the little-endian move */ |
| 225 | |
| 226 | #if ACPI_MACHINE_WIDTH == 16 |
| 227 | |
| 228 | /* No 64-bit integers */ |
| 229 | /* 16-bit source, 16/32/64 destination */ |
| 230 | |
| 231 | #define ACPI_MOVE_16_TO_16(d,s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s) |
| 232 | #define ACPI_MOVE_16_TO_32(d,s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s) |
| 233 | #define ACPI_MOVE_16_TO_64(d,s) ACPI_MOVE_16_TO_32(d,s) |
| 234 | |
| 235 | /* 32-bit source, 16/32/64 destination */ |
| 236 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 237 | #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | #define ACPI_MOVE_32_TO_32(d,s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s) |
| 239 | #define ACPI_MOVE_32_TO_64(d,s) ACPI_MOVE_32_TO_32(d,s) |
| 240 | |
| 241 | /* 64-bit source, 16/32/64 destination */ |
| 242 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 243 | #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
| 244 | #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | #define ACPI_MOVE_64_TO_64(d,s) ACPI_MOVE_32_TO_32(d,s) |
| 246 | |
| 247 | #else |
| 248 | /* 16-bit source, 16/32/64 destination */ |
| 249 | |
| 250 | #define ACPI_MOVE_16_TO_16(d,s) *(u16 *)(void *)(d) = *(u16 *)(void *)(s) |
| 251 | #define ACPI_MOVE_16_TO_32(d,s) *(u32 *)(void *)(d) = *(u16 *)(void *)(s) |
| 252 | #define ACPI_MOVE_16_TO_64(d,s) *(u64 *)(void *)(d) = *(u16 *)(void *)(s) |
| 253 | |
| 254 | /* 32-bit source, 16/32/64 destination */ |
| 255 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 256 | #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | #define ACPI_MOVE_32_TO_32(d,s) *(u32 *)(void *)(d) = *(u32 *)(void *)(s) |
| 258 | #define ACPI_MOVE_32_TO_64(d,s) *(u64 *)(void *)(d) = *(u32 *)(void *)(s) |
| 259 | |
| 260 | /* 64-bit source, 16/32/64 destination */ |
| 261 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 262 | #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
| 263 | #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | #define ACPI_MOVE_64_TO_64(d,s) *(u64 *)(void *)(d) = *(u64 *)(void *)(s) |
| 265 | #endif |
| 266 | |
| 267 | #else |
| 268 | /* |
| 269 | * The hardware does not support unaligned transfers. We must move the |
| 270 | * data one byte at a time. These macros work whether the source or |
| 271 | * the destination (or both) is/are unaligned. (Little-endian move) |
| 272 | */ |
| 273 | |
| 274 | /* 16-bit source, 16/32/64 destination */ |
| 275 | |
| 276 | #define ACPI_MOVE_16_TO_16(d,s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ |
| 277 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];} |
| 278 | |
| 279 | #define ACPI_MOVE_16_TO_32(d,s) {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);} |
| 280 | #define ACPI_MOVE_16_TO_64(d,s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);} |
| 281 | |
| 282 | /* 32-bit source, 16/32/64 destination */ |
| 283 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 284 | #define ACPI_MOVE_32_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | |
| 286 | #define ACPI_MOVE_32_TO_32(d,s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ |
| 287 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\ |
| 288 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\ |
| 289 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];} |
| 290 | |
| 291 | #define ACPI_MOVE_32_TO_64(d,s) {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);} |
| 292 | |
| 293 | /* 64-bit source, 16/32/64 destination */ |
| 294 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 295 | #define ACPI_MOVE_64_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */ |
| 296 | #define ACPI_MOVE_64_TO_32(d,s) ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | #define ACPI_MOVE_64_TO_64(d,s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\ |
| 298 | (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\ |
| 299 | (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\ |
| 300 | (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\ |
| 301 | (( u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\ |
| 302 | (( u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\ |
| 303 | (( u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\ |
| 304 | (( u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];} |
| 305 | #endif |
| 306 | #endif |
| 307 | |
| 308 | /* Macros based on machine integer width */ |
| 309 | |
| 310 | #if ACPI_MACHINE_WIDTH == 16 |
| 311 | #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_16_TO_16(d,s) |
| 312 | |
| 313 | #elif ACPI_MACHINE_WIDTH == 32 |
| 314 | #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_32_TO_16(d,s) |
| 315 | |
| 316 | #elif ACPI_MACHINE_WIDTH == 64 |
| 317 | #define ACPI_MOVE_SIZE_TO_16(d,s) ACPI_MOVE_64_TO_16(d,s) |
| 318 | |
| 319 | #else |
| 320 | #error unknown ACPI_MACHINE_WIDTH |
| 321 | #endif |
| 322 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | /* |
| 324 | * Fast power-of-two math macros for non-optimized compilers |
| 325 | */ |
| 326 | #define _ACPI_DIV(value,power_of2) ((u32) ((value) >> (power_of2))) |
| 327 | #define _ACPI_MUL(value,power_of2) ((u32) ((value) << (power_of2))) |
| 328 | #define _ACPI_MOD(value,divisor) ((u32) ((value) & ((divisor) -1))) |
| 329 | |
| 330 | #define ACPI_DIV_2(a) _ACPI_DIV(a,1) |
| 331 | #define ACPI_MUL_2(a) _ACPI_MUL(a,1) |
| 332 | #define ACPI_MOD_2(a) _ACPI_MOD(a,2) |
| 333 | |
| 334 | #define ACPI_DIV_4(a) _ACPI_DIV(a,2) |
| 335 | #define ACPI_MUL_4(a) _ACPI_MUL(a,2) |
| 336 | #define ACPI_MOD_4(a) _ACPI_MOD(a,4) |
| 337 | |
| 338 | #define ACPI_DIV_8(a) _ACPI_DIV(a,3) |
| 339 | #define ACPI_MUL_8(a) _ACPI_MUL(a,3) |
| 340 | #define ACPI_MOD_8(a) _ACPI_MOD(a,8) |
| 341 | |
| 342 | #define ACPI_DIV_16(a) _ACPI_DIV(a,4) |
| 343 | #define ACPI_MUL_16(a) _ACPI_MUL(a,4) |
| 344 | #define ACPI_MOD_16(a) _ACPI_MOD(a,16) |
| 345 | |
Bob Moore | 28f55eb | 2005-12-02 18:27:00 -0500 | [diff] [blame] | 346 | #define ACPI_DIV_32(a) _ACPI_DIV(a,5) |
| 347 | #define ACPI_MUL_32(a) _ACPI_MUL(a,5) |
| 348 | #define ACPI_MOD_32(a) _ACPI_MOD(a,32) |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | /* |
| 351 | * Rounding macros (Power of two boundaries only) |
| 352 | */ |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 353 | #define ACPI_ROUND_DOWN(value,boundary) (((acpi_native_uint)(value)) & \ |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 354 | (~(((acpi_native_uint) boundary)-1))) |
| 355 | |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 356 | #define ACPI_ROUND_UP(value,boundary) ((((acpi_native_uint)(value)) + \ |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 357 | (((acpi_native_uint) boundary)-1)) & \ |
| 358 | (~(((acpi_native_uint) boundary)-1))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 360 | /* Note: sizeof(acpi_native_uint) evaluates to either 2, 4, or 8 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
Bob Moore | 958dd24 | 2006-05-12 17:12:00 -0400 | [diff] [blame^] | 362 | #define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a,4) |
| 363 | #define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a,8) |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 364 | #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,sizeof(acpi_native_uint)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | |
Bob Moore | 958dd24 | 2006-05-12 17:12:00 -0400 | [diff] [blame^] | 366 | #define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a,4) |
| 367 | #define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a,8) |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 368 | #define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,sizeof(acpi_native_uint)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 370 | #define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7) |
| 371 | #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a)) |
| 372 | |
| 373 | #define ACPI_ROUND_UP_TO_1K(a) (((a) + 1023) >> 10) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | |
| 375 | /* Generic (non-power-of-two) rounding */ |
| 376 | |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 377 | #define ACPI_ROUND_UP_TO(value,boundary) (((value) + ((boundary)-1)) / (boundary)) |
| 378 | |
| 379 | #define ACPI_IS_MISALIGNED(value) (((acpi_native_uint)value) & (sizeof(acpi_native_uint)-1)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | |
| 381 | /* |
| 382 | * Bitmask creation |
| 383 | * Bit positions start at zero. |
| 384 | * MASK_BITS_ABOVE creates a mask starting AT the position and above |
| 385 | * MASK_BITS_BELOW creates a mask starting one bit BELOW the position |
| 386 | */ |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 387 | #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_INTEGER_MAX) << ((u32) (position)))) |
| 388 | #define ACPI_MASK_BITS_BELOW(position) ((ACPI_INTEGER_MAX) << ((u32) (position))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 390 | #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7')) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | /* Bitfields within ACPI registers */ |
| 393 | |
| 394 | #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) ((val << pos) & mask) |
| 395 | #define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask) |
| 396 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 397 | /* Generate a UUID */ |
| 398 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 399 | #define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ |
| 400 | (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \ |
| 401 | (b) & 0xFF, ((b) >> 8) & 0xFF, \ |
| 402 | (c) & 0xFF, ((c) >> 8) & 0xFF, \ |
| 403 | (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 404 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | /* |
| 406 | * An struct acpi_namespace_node * can appear in some contexts, |
| 407 | * where a pointer to an union acpi_operand_object can also |
| 408 | * appear. This macro is used to distinguish them. |
| 409 | * |
| 410 | * The "Descriptor" field is the first field in both structures. |
| 411 | */ |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 412 | #define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type) |
| 413 | #define ACPI_SET_DESCRIPTOR_TYPE(d,t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | /* Macro to test the object type */ |
| 416 | |
| 417 | #define ACPI_GET_OBJECT_TYPE(d) (((union acpi_operand_object *)(void *)(d))->common.type) |
| 418 | |
| 419 | /* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */ |
| 420 | |
| 421 | #define ACPI_IS_SINGLE_TABLE(x) (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0) |
| 422 | |
| 423 | /* |
| 424 | * Macros for the master AML opcode table |
| 425 | */ |
| 426 | #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) |
| 427 | #define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags) {name,(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type} |
| 428 | #else |
| 429 | #define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags) {(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type} |
| 430 | #endif |
| 431 | |
| 432 | #ifdef ACPI_DISASSEMBLER |
| 433 | #define ACPI_DISASM_ONLY_MEMBERS(a) a; |
| 434 | #else |
| 435 | #define ACPI_DISASM_ONLY_MEMBERS(a) |
| 436 | #endif |
| 437 | |
| 438 | #define ARG_TYPE_WIDTH 5 |
| 439 | #define ARG_1(x) ((u32)(x)) |
| 440 | #define ARG_2(x) ((u32)(x) << (1 * ARG_TYPE_WIDTH)) |
| 441 | #define ARG_3(x) ((u32)(x) << (2 * ARG_TYPE_WIDTH)) |
| 442 | #define ARG_4(x) ((u32)(x) << (3 * ARG_TYPE_WIDTH)) |
| 443 | #define ARG_5(x) ((u32)(x) << (4 * ARG_TYPE_WIDTH)) |
| 444 | #define ARG_6(x) ((u32)(x) << (5 * ARG_TYPE_WIDTH)) |
| 445 | |
| 446 | #define ARGI_LIST1(a) (ARG_1(a)) |
| 447 | #define ARGI_LIST2(a,b) (ARG_1(b)|ARG_2(a)) |
| 448 | #define ARGI_LIST3(a,b,c) (ARG_1(c)|ARG_2(b)|ARG_3(a)) |
| 449 | #define ARGI_LIST4(a,b,c,d) (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a)) |
| 450 | #define ARGI_LIST5(a,b,c,d,e) (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a)) |
| 451 | #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)) |
| 452 | |
| 453 | #define ARGP_LIST1(a) (ARG_1(a)) |
| 454 | #define ARGP_LIST2(a,b) (ARG_1(a)|ARG_2(b)) |
| 455 | #define ARGP_LIST3(a,b,c) (ARG_1(a)|ARG_2(b)|ARG_3(c)) |
| 456 | #define ARGP_LIST4(a,b,c,d) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)) |
| 457 | #define ARGP_LIST5(a,b,c,d,e) (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)) |
| 458 | #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)) |
| 459 | |
| 460 | #define GET_CURRENT_ARG_TYPE(list) (list & ((u32) 0x1F)) |
| 461 | #define INCREMENT_ARG_LIST(list) (list >>= ((u32) ARG_TYPE_WIDTH)) |
| 462 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 463 | #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | /* |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 465 | * Module name is include in both debug and non-debug versions primarily for |
| 466 | * error messages. The __FILE__ macro is not very useful for this, because it |
| 467 | * often includes the entire pathname to the module |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | */ |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 469 | #define ACPI_MODULE_NAME(name) static char ACPI_UNUSED_VAR *_acpi_module_name = name; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | #else |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 471 | #define ACPI_MODULE_NAME(name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | #endif |
| 473 | |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 474 | /* |
| 475 | * Ascii error messages can be configured out |
| 476 | */ |
| 477 | #ifndef ACPI_NO_ERROR_MESSAGES |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 478 | #define AE_INFO _acpi_module_name, __LINE__ |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 479 | |
| 480 | /* |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 481 | * Error reporting. Callers module and line number are inserted by AE_INFO, |
| 482 | * the plist contains a set of parens to allow variable-length lists. |
| 483 | * These macros are used for both the debug and non-debug versions of the code. |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 484 | */ |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 485 | #define ACPI_INFO(plist) acpi_ut_info plist |
| 486 | #define ACPI_WARNING(plist) acpi_ut_warning plist |
| 487 | #define ACPI_EXCEPTION(plist) acpi_ut_exception plist |
| 488 | #define ACPI_ERROR(plist) acpi_ut_error plist |
| 489 | #define ACPI_ERROR_NAMESPACE(s,e) acpi_ns_report_error (AE_INFO, s, e); |
| 490 | #define ACPI_ERROR_METHOD(s,n,p,e) acpi_ns_report_method_error (AE_INFO, s, n, p, e); |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 491 | |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 492 | #else |
| 493 | |
| 494 | /* No error messages */ |
| 495 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 496 | #define ACPI_INFO(plist) |
| 497 | #define ACPI_WARNING(plist) |
| 498 | #define ACPI_EXCEPTION(plist) |
| 499 | #define ACPI_ERROR(plist) |
| 500 | #define ACPI_ERROR_NAMESPACE(s,e) |
| 501 | #define ACPI_ERROR_METHOD(s,n,p,e) |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 502 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | |
| 504 | /* |
| 505 | * Debug macros that are conditionally compiled |
| 506 | */ |
| 507 | #ifdef ACPI_DEBUG_OUTPUT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | |
| 509 | /* |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 510 | * Common parameters used for debug output functions: |
| 511 | * line number, function name, module(file) name, component ID |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | */ |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 513 | #define ACPI_DEBUG_PARAMETERS __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 515 | /* |
| 516 | * Function entry tracing |
| 517 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 519 | /* |
| 520 | * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header, |
| 521 | * define it now. This is the case where there the compiler does not support |
| 522 | * a __FUNCTION__ macro or equivalent. We save the function name on the |
| 523 | * local stack. |
| 524 | */ |
| 525 | #ifndef ACPI_GET_FUNCTION_NAME |
| 526 | #define ACPI_GET_FUNCTION_NAME _acpi_function_name |
| 527 | /* |
| 528 | * The Name parameter should be the procedure name as a quoted string. |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 529 | * This is declared as a local string ("MyFunctionName") so that it can |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 530 | * be also used by the function exit macros below. |
Robert Moore | 0c9938c | 2005-07-29 15:15:00 -0700 | [diff] [blame] | 531 | * Note: (const char) is used to be compatible with the debug interfaces |
| 532 | * and macros such as __FUNCTION__. |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 533 | */ |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 534 | #define ACPI_FUNCTION_NAME(name) const char *_acpi_function_name = #name; |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 535 | |
| 536 | #else |
| 537 | /* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */ |
| 538 | |
| 539 | #define ACPI_FUNCTION_NAME(name) |
| 540 | #endif |
| 541 | |
| 542 | #define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \ |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 543 | acpi_ut_trace(ACPI_DEBUG_PARAMETERS) |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 544 | #define ACPI_FUNCTION_TRACE_PTR(a,b) ACPI_FUNCTION_NAME(a) \ |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 545 | acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b) |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 546 | #define ACPI_FUNCTION_TRACE_U32(a,b) ACPI_FUNCTION_NAME(a) \ |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 547 | acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b) |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 548 | #define ACPI_FUNCTION_TRACE_STR(a,b) ACPI_FUNCTION_NAME(a) \ |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 549 | acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b) |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 550 | |
| 551 | #define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr() |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | |
| 553 | /* |
| 554 | * Function exit tracing. |
| 555 | * WARNING: These macros include a return statement. This is usually considered |
| 556 | * bad form, but having a separate exit macro is very ugly and difficult to maintain. |
| 557 | * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 558 | * so that "_AcpiFunctionName" is defined. |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 559 | * |
| 560 | * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining |
| 561 | * about these constructs. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | */ |
| 563 | #ifdef ACPI_USE_DO_WHILE_0 |
| 564 | #define ACPI_DO_WHILE0(a) do a while(0) |
| 565 | #else |
| 566 | #define ACPI_DO_WHILE0(a) a |
| 567 | #endif |
| 568 | |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 569 | #define return_VOID ACPI_DO_WHILE0 ({ \ |
| 570 | acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \ |
| 571 | return;}) |
| 572 | /* |
| 573 | * There are two versions of most of the return macros. The default version is |
| 574 | * safer, since it avoids side-effects by guaranteeing that the argument will |
| 575 | * not be evaluated twice. |
| 576 | * |
| 577 | * A less-safe version of the macros is provided for optional use if the |
| 578 | * compiler uses excessive CPU stack (for example, this may happen in the |
| 579 | * debug case if code optimzation is disabled.) |
| 580 | */ |
| 581 | #ifndef ACPI_SIMPLE_RETURN_MACROS |
| 582 | |
| 583 | #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \ |
| 584 | register acpi_status _s = (s); \ |
| 585 | acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, _s); \ |
| 586 | return (_s); }) |
| 587 | #define return_PTR(s) ACPI_DO_WHILE0 ({ \ |
| 588 | register void *_s = (void *) (s); \ |
| 589 | acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \ |
| 590 | return (_s); }) |
| 591 | #define return_VALUE(s) ACPI_DO_WHILE0 ({ \ |
| 592 | register acpi_integer _s = (s); \ |
| 593 | acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \ |
| 594 | return (_s); }) |
| 595 | #define return_UINT8(s) ACPI_DO_WHILE0 ({ \ |
| 596 | register u8 _s = (u8) (s); \ |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 597 | acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \ |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 598 | return (_s); }) |
| 599 | #define return_UINT32(s) ACPI_DO_WHILE0 ({ \ |
| 600 | register u32 _s = (u32) (s); \ |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 601 | acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \ |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 602 | return (_s); }) |
| 603 | #else /* Use original less-safe macros */ |
| 604 | |
| 605 | #define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \ |
| 606 | acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, (s)); \ |
| 607 | return((s)); }) |
| 608 | #define return_PTR(s) ACPI_DO_WHILE0 ({ \ |
| 609 | acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \ |
| 610 | return((s)); }) |
| 611 | #define return_VALUE(s) ACPI_DO_WHILE0 ({ \ |
| 612 | acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) (s)); \ |
| 613 | return((s)); }) |
| 614 | #define return_UINT8(s) return_VALUE(s) |
| 615 | #define return_UINT32(s) return_VALUE(s) |
| 616 | |
| 617 | #endif /* ACPI_SIMPLE_RETURN_MACROS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
| 619 | /* Conditional execution */ |
| 620 | |
| 621 | #define ACPI_DEBUG_EXEC(a) a |
| 622 | #define ACPI_NORMAL_EXEC(a) |
| 623 | |
| 624 | #define ACPI_DEBUG_DEFINE(a) a; |
| 625 | #define ACPI_DEBUG_ONLY_MEMBERS(a) a; |
| 626 | #define _VERBOSE_STRUCTURES |
| 627 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | /* Stack and buffer dumping */ |
| 629 | |
| 630 | #define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a),0) |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 631 | #define ACPI_DUMP_OPERANDS(a,b,c,d,e) acpi_ex_dump_operands(a,b,c,d,e,_acpi_module_name,__LINE__) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | #define ACPI_DUMP_ENTRY(a,b) acpi_ns_dump_entry (a,b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | #define ACPI_DUMP_PATHNAME(a,b,c,d) acpi_ns_dump_pathname(a,b,c,d) |
| 635 | #define ACPI_DUMP_RESOURCE_LIST(a) acpi_rs_dump_resource_list(a) |
| 636 | #define ACPI_DUMP_BUFFER(a,b) acpi_ut_dump_buffer((u8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | |
| 638 | /* |
| 639 | * Master debug print macros |
| 640 | * Print iff: |
| 641 | * 1) Debug print for the current component is enabled |
| 642 | * 2) Debug error level or trace level for the print statement is enabled |
| 643 | */ |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 644 | #define ACPI_DEBUG_PRINT(plist) acpi_ut_debug_print plist |
| 645 | #define ACPI_DEBUG_PRINT_RAW(plist) acpi_ut_debug_print_raw plist |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | #else |
| 648 | /* |
| 649 | * This is the non-debug case -- make everything go away, |
| 650 | * leaving no executable debug code! |
| 651 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | #define ACPI_DEBUG_EXEC(a) |
| 653 | #define ACPI_NORMAL_EXEC(a) a; |
| 654 | |
| 655 | #define ACPI_DEBUG_DEFINE(a) |
| 656 | #define ACPI_DEBUG_ONLY_MEMBERS(a) |
| 657 | #define ACPI_FUNCTION_NAME(a) |
| 658 | #define ACPI_FUNCTION_TRACE(a) |
| 659 | #define ACPI_FUNCTION_TRACE_PTR(a,b) |
| 660 | #define ACPI_FUNCTION_TRACE_U32(a,b) |
| 661 | #define ACPI_FUNCTION_TRACE_STR(a,b) |
| 662 | #define ACPI_FUNCTION_EXIT |
| 663 | #define ACPI_FUNCTION_STATUS_EXIT(s) |
| 664 | #define ACPI_FUNCTION_VALUE_EXIT(s) |
| 665 | #define ACPI_FUNCTION_ENTRY() |
| 666 | #define ACPI_DUMP_STACK_ENTRY(a) |
| 667 | #define ACPI_DUMP_OPERANDS(a,b,c,d,e) |
| 668 | #define ACPI_DUMP_ENTRY(a,b) |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 669 | #define ACPI_DUMP_TABLES(a,b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 670 | #define ACPI_DUMP_PATHNAME(a,b,c,d) |
| 671 | #define ACPI_DUMP_RESOURCE_LIST(a) |
| 672 | #define ACPI_DUMP_BUFFER(a,b) |
| 673 | #define ACPI_DEBUG_PRINT(pl) |
| 674 | #define ACPI_DEBUG_PRINT_RAW(pl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | |
| 676 | #define return_VOID return |
| 677 | #define return_ACPI_STATUS(s) return(s) |
| 678 | #define return_VALUE(s) return(s) |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 679 | #define return_UINT8(s) return(s) |
| 680 | #define return_UINT32(s) return(s) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | #define return_PTR(s) return(s) |
| 682 | |
| 683 | #endif |
| 684 | |
| 685 | /* |
| 686 | * Some code only gets executed when the debugger is built in. |
| 687 | * Note that this is entirely independent of whether the |
| 688 | * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not. |
| 689 | */ |
| 690 | #ifdef ACPI_DEBUGGER |
| 691 | #define ACPI_DEBUGGER_EXEC(a) a |
| 692 | #else |
| 693 | #define ACPI_DEBUGGER_EXEC(a) |
| 694 | #endif |
| 695 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | /* |
| 697 | * For 16-bit code, we want to shrink some things even though |
| 698 | * we are using ACPI_DEBUG_OUTPUT to get the debug output |
| 699 | */ |
| 700 | #if ACPI_MACHINE_WIDTH == 16 |
| 701 | #undef ACPI_DEBUG_ONLY_MEMBERS |
| 702 | #undef _VERBOSE_STRUCTURES |
| 703 | #define ACPI_DEBUG_ONLY_MEMBERS(a) |
| 704 | #endif |
| 705 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | #ifdef ACPI_DEBUG_OUTPUT |
| 707 | /* |
| 708 | * 1) Set name to blanks |
| 709 | * 2) Copy the object name |
| 710 | */ |
| 711 | #define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\ |
| 712 | ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name)) |
| 713 | #else |
| 714 | |
| 715 | #define ACPI_ADD_OBJECT_NAME(a,b) |
| 716 | #endif |
| 717 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | /* |
| 719 | * Memory allocation tracking (DEBUG ONLY) |
| 720 | */ |
| 721 | #ifndef ACPI_DBG_TRACK_ALLOCATIONS |
| 722 | |
| 723 | /* Memory allocation */ |
| 724 | |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 725 | #define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__) |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 726 | #define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__) |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 727 | #define ACPI_FREE(a) acpi_os_free(a) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | #define ACPI_MEM_TRACKING(a) |
| 729 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | #else |
| 731 | |
| 732 | /* Memory allocation */ |
| 733 | |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 734 | #define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__) |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 735 | #define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__) |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 736 | #define ACPI_FREE(a) acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__) |
Bob Moore | 61686124 | 2006-03-17 16:44:00 -0500 | [diff] [blame] | 737 | #define ACPI_MEM_TRACKING(a) a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 739 | #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 741 | #endif /* ACMACROS_H */ |