1 /****************************************************************************** 2 * 3 * Module Name: aslcache -- Local cache support for iASL 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include <contrib/dev/acpica/compiler/aslcompiler.h> 153 154 /* 155 * Local caches. The caches are fully deleted after the compilation/disassembly 156 * of each individual input file. Thus, individual allocations from the cache 157 * memory do not need to be freed or even released back into the cache. 158 * 159 * See aslallocate.c for standard heap allocations. 160 */ 161 162 163 /******************************************************************************* 164 * 165 * FUNCTION: UtLocalCacheCalloc 166 * 167 * PARAMETERS: Length - Size of buffer requested 168 * 169 * RETURN: Pointer to the buffer. Aborts compiler on allocation failure 170 * 171 * DESCRIPTION: Allocate a string buffer. Bypass the local 172 * dynamic memory manager for performance reasons (This has a 173 * major impact on the speed of the compiler.) 174 * 175 ******************************************************************************/ 176 177 char * 178 UtLocalCacheCalloc ( 179 UINT32 Length) 180 { 181 char *Buffer; 182 ASL_CACHE_INFO *Cache; 183 UINT32 CacheSize = ASL_STRING_CACHE_SIZE; 184 185 186 #ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED 187 /* Used for objects other than strings, so keep allocations aligned */ 188 Length = ACPI_ROUND_UP_TO_NATIVE_WORD (Length); 189 #endif 190 191 if (Length > CacheSize) 192 { 193 CacheSize = Length; 194 195 if (AslGbl_StringCacheList) 196 { 197 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); 198 199 /* Link new cache buffer just following head of list */ 200 201 Cache->Next = AslGbl_StringCacheList->Next; 202 AslGbl_StringCacheList->Next = Cache; 203 204 /* Leave cache management pointers alone as they pertain to head */ 205 206 AslGbl_StringCount++; 207 AslGbl_StringSize += Length; 208 209 return (Cache->Buffer); 210 } 211 } 212 213 if ((!AslGbl_StringCacheNext) || 214 ((AslGbl_StringCacheNext + Length) >= AslGbl_StringCacheLast)) 215 { 216 /* Allocate a new buffer */ 217 218 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); 219 220 /* Link new cache buffer to head of list */ 221 222 Cache->Next = AslGbl_StringCacheList; 223 AslGbl_StringCacheList = Cache; 224 225 /* Setup cache management pointers */ 226 227 AslGbl_StringCacheNext = Cache->Buffer; 228 AslGbl_StringCacheLast = AslGbl_StringCacheNext + CacheSize; 229 } 230 231 AslGbl_StringCount++; 232 AslGbl_StringSize += Length; 233 234 Buffer = AslGbl_StringCacheNext; 235 AslGbl_StringCacheNext += Length; 236 return (Buffer); 237 } 238 239 240 /******************************************************************************* 241 * 242 * FUNCTION: UtParseOpCacheCalloc 243 * 244 * PARAMETERS: None 245 * 246 * RETURN: New parse op. Aborts on allocation failure 247 * 248 * DESCRIPTION: Allocate a new parse op for the parse tree. Bypass the local 249 * dynamic memory manager for performance reasons (This has a 250 * major impact on the speed of the compiler.) 251 * 252 ******************************************************************************/ 253 254 ACPI_PARSE_OBJECT * 255 UtParseOpCacheCalloc ( 256 void) 257 { 258 ASL_CACHE_INFO *Cache; 259 260 261 if (AslGbl_ParseOpCacheNext >= AslGbl_ParseOpCacheLast) 262 { 263 /* Allocate a new buffer */ 264 265 Cache = UtLocalCalloc (sizeof (Cache->Next) + 266 (sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE)); 267 268 /* Link new cache buffer to head of list */ 269 270 Cache->Next = AslGbl_ParseOpCacheList; 271 AslGbl_ParseOpCacheList = Cache; 272 273 /* Setup cache management pointers */ 274 275 AslGbl_ParseOpCacheNext = ACPI_CAST_PTR (ACPI_PARSE_OBJECT, Cache->Buffer); 276 AslGbl_ParseOpCacheLast = AslGbl_ParseOpCacheNext + ASL_PARSEOP_CACHE_SIZE; 277 } 278 279 AslGbl_ParseOpCount++; 280 return (AslGbl_ParseOpCacheNext++); 281 } 282 283 284 /******************************************************************************* 285 * 286 * FUNCTION: UtSubtableCacheCalloc - Data Table compiler 287 * 288 * PARAMETERS: None 289 * 290 * RETURN: Pointer to the buffer. Aborts on allocation failure 291 * 292 * DESCRIPTION: Allocate a subtable object buffer. Bypass the local 293 * dynamic memory manager for performance reasons (This has a 294 * major impact on the speed of the compiler.) 295 * 296 ******************************************************************************/ 297 298 DT_SUBTABLE * 299 UtSubtableCacheCalloc ( 300 void) 301 { 302 ASL_CACHE_INFO *Cache; 303 304 305 if (AslGbl_SubtableCacheNext >= AslGbl_SubtableCacheLast) 306 { 307 /* Allocate a new buffer */ 308 309 Cache = UtLocalCalloc (sizeof (Cache->Next) + 310 (sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE)); 311 312 /* Link new cache buffer to head of list */ 313 314 Cache->Next = AslGbl_SubtableCacheList; 315 AslGbl_SubtableCacheList = Cache; 316 317 /* Setup cache management pointers */ 318 319 AslGbl_SubtableCacheNext = ACPI_CAST_PTR (DT_SUBTABLE, Cache->Buffer); 320 AslGbl_SubtableCacheLast = AslGbl_SubtableCacheNext + ASL_SUBTABLE_CACHE_SIZE; 321 } 322 323 AslGbl_SubtableCount++; 324 return (AslGbl_SubtableCacheNext++); 325 } 326 327 328 /******************************************************************************* 329 * 330 * FUNCTION: UtFieldCacheCalloc - Data Table compiler 331 * 332 * PARAMETERS: None 333 * 334 * RETURN: Pointer to the buffer. Aborts on allocation failure 335 * 336 * DESCRIPTION: Allocate a field object buffer. Bypass the local 337 * dynamic memory manager for performance reasons (This has a 338 * major impact on the speed of the compiler.) 339 * 340 ******************************************************************************/ 341 342 DT_FIELD * 343 UtFieldCacheCalloc ( 344 void) 345 { 346 ASL_CACHE_INFO *Cache; 347 348 349 if (AslGbl_FieldCacheNext >= AslGbl_FieldCacheLast) 350 { 351 /* Allocate a new buffer */ 352 353 Cache = UtLocalCalloc (sizeof (Cache->Next) + 354 (sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE)); 355 356 /* Link new cache buffer to head of list */ 357 358 Cache->Next = AslGbl_FieldCacheList; 359 AslGbl_FieldCacheList = Cache; 360 361 /* Setup cache management pointers */ 362 363 AslGbl_FieldCacheNext = ACPI_CAST_PTR (DT_FIELD, Cache->Buffer); 364 AslGbl_FieldCacheLast =AslGbl_FieldCacheNext + ASL_FIELD_CACHE_SIZE; 365 } 366 367 AslGbl_FieldCount++; 368 return (AslGbl_FieldCacheNext++); 369 } 370 371 372 /******************************************************************************* 373 * 374 * FUNCTION: UtDeleteLocalCaches 375 * 376 * PARAMETERS: None 377 * 378 * RETURN: None 379 * 380 * DESCRIPTION: Delete all local cache buffer blocks 381 * 382 ******************************************************************************/ 383 384 void 385 UtDeleteLocalCaches ( 386 void) 387 { 388 UINT32 BufferCount; 389 ASL_CACHE_INFO *Next; 390 391 392 /* 393 * Generic cache, arbitrary size allocations 394 */ 395 BufferCount = 0; 396 while (AslGbl_StringCacheList) 397 { 398 Next = AslGbl_StringCacheList->Next; 399 ACPI_FREE (AslGbl_StringCacheList); 400 AslGbl_StringCacheList = Next; 401 BufferCount++; 402 } 403 404 DbgPrint (ASL_DEBUG_OUTPUT, 405 "%u Strings (%u bytes), Buffer size: %u bytes, %u Buffers\n", 406 AslGbl_StringCount, AslGbl_StringSize, ASL_STRING_CACHE_SIZE, BufferCount); 407 408 /* Reset cache globals */ 409 410 AslGbl_StringSize = 0; 411 AslGbl_StringCount = 0; 412 AslGbl_StringCacheNext = NULL; 413 AslGbl_StringCacheLast = NULL; 414 415 /* 416 * Parse Op cache 417 */ 418 BufferCount = 0; 419 while (AslGbl_ParseOpCacheList) 420 { 421 Next = AslGbl_ParseOpCacheList->Next; 422 ACPI_FREE (AslGbl_ParseOpCacheList); 423 AslGbl_ParseOpCacheList = Next; 424 BufferCount++; 425 } 426 427 DbgPrint (ASL_DEBUG_OUTPUT, 428 "%u ParseOps, Buffer size: %u ops (%u bytes), %u Buffers\n", 429 AslGbl_ParseOpCount, ASL_PARSEOP_CACHE_SIZE, 430 ((UINT32) sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE), BufferCount); 431 432 /* Reset cache globals */ 433 434 AslGbl_ParseOpCount = 0; 435 AslGbl_ParseOpCacheNext = NULL; 436 AslGbl_ParseOpCacheLast = NULL; 437 AslGbl_ParseTreeRoot = NULL; 438 439 /* 440 * Table Compiler - Field cache 441 */ 442 BufferCount = 0; 443 while (AslGbl_FieldCacheList) 444 { 445 Next = AslGbl_FieldCacheList->Next; 446 ACPI_FREE (AslGbl_FieldCacheList); 447 AslGbl_FieldCacheList = Next; 448 BufferCount++; 449 } 450 451 DbgPrint (ASL_DEBUG_OUTPUT, 452 "%u Fields, Buffer size: %u fields (%u bytes), %u Buffers\n", 453 AslGbl_FieldCount, ASL_FIELD_CACHE_SIZE, 454 ((UINT32) sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE), BufferCount); 455 456 /* Reset cache globals */ 457 458 AslGbl_FieldCount = 0; 459 AslGbl_FieldCacheNext = NULL; 460 AslGbl_FieldCacheLast = NULL; 461 462 /* 463 * Table Compiler - Subtable cache 464 */ 465 BufferCount = 0; 466 while (AslGbl_SubtableCacheList) 467 { 468 Next = AslGbl_SubtableCacheList->Next; 469 ACPI_FREE (AslGbl_SubtableCacheList); 470 AslGbl_SubtableCacheList = Next; 471 BufferCount++; 472 } 473 474 DbgPrint (ASL_DEBUG_OUTPUT, 475 "%u Subtables, Buffer size: %u subtables (%u bytes), %u Buffers\n", 476 AslGbl_SubtableCount, ASL_SUBTABLE_CACHE_SIZE, 477 ((UINT32) sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE), BufferCount); 478 479 /* Reset cache globals */ 480 481 AslGbl_SubtableCount = 0; 482 AslGbl_SubtableCacheNext = NULL; 483 AslGbl_SubtableCacheLast = NULL; 484 } 485