1 /******************************************************************************
3 * Module Name: aslcache -- Local cache support for iASL
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12 * All rights reserved.
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
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
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;
37 * The above copyright and patent license is granted only if the following
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.
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
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
72 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
80 * 4. Disclaimer and Export Compliance
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
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
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.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
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.
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.
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.
150 *****************************************************************************/
152 #include <contrib/dev/acpica/compiler/aslcompiler.h>
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.
159 * See aslallocate.c for standard heap allocations.
163 /*******************************************************************************
165 * FUNCTION: UtLocalCacheCalloc
167 * PARAMETERS: Length - Size of buffer requested
169 * RETURN: Pointer to the buffer. Aborts compiler on allocation failure
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.)
175 ******************************************************************************/
182 ASL_CACHE_INFO *Cache;
183 UINT32 CacheSize = ASL_STRING_CACHE_SIZE;
186 if (Length > CacheSize)
190 if (Gbl_StringCacheList)
192 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize);
194 /* Link new cache buffer just following head of list */
196 Cache->Next = Gbl_StringCacheList->Next;
197 Gbl_StringCacheList->Next = Cache;
199 /* Leave cache management pointers alone as they pertain to head */
202 Gbl_StringSize += Length;
204 return (Cache->Buffer);
208 if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast)
210 /* Allocate a new buffer */
212 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize);
214 /* Link new cache buffer to head of list */
216 Cache->Next = Gbl_StringCacheList;
217 Gbl_StringCacheList = Cache;
219 /* Setup cache management pointers */
221 Gbl_StringCacheNext = Cache->Buffer;
222 Gbl_StringCacheLast = Gbl_StringCacheNext + CacheSize;
226 Gbl_StringSize += Length;
228 Buffer = Gbl_StringCacheNext;
229 Gbl_StringCacheNext += Length;
234 /*******************************************************************************
236 * FUNCTION: UtParseOpCacheCalloc
240 * RETURN: New parse op. Aborts on allocation failure
242 * DESCRIPTION: Allocate a new parse op for the parse tree. Bypass the local
243 * dynamic memory manager for performance reasons (This has a
244 * major impact on the speed of the compiler.)
246 ******************************************************************************/
249 UtParseOpCacheCalloc (
252 ASL_CACHE_INFO *Cache;
255 if (Gbl_ParseOpCacheNext >= Gbl_ParseOpCacheLast)
257 /* Allocate a new buffer */
259 Cache = UtLocalCalloc (sizeof (Cache->Next) +
260 (sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE));
262 /* Link new cache buffer to head of list */
264 Cache->Next = Gbl_ParseOpCacheList;
265 Gbl_ParseOpCacheList = Cache;
267 /* Setup cache management pointers */
269 Gbl_ParseOpCacheNext = ACPI_CAST_PTR (ACPI_PARSE_OBJECT, Cache->Buffer);
270 Gbl_ParseOpCacheLast = Gbl_ParseOpCacheNext + ASL_PARSEOP_CACHE_SIZE;
274 return (Gbl_ParseOpCacheNext++);
278 /*******************************************************************************
280 * FUNCTION: UtSubtableCacheCalloc - Data Table compiler
284 * RETURN: Pointer to the buffer. Aborts on allocation failure
286 * DESCRIPTION: Allocate a subtable object buffer. Bypass the local
287 * dynamic memory manager for performance reasons (This has a
288 * major impact on the speed of the compiler.)
290 ******************************************************************************/
293 UtSubtableCacheCalloc (
296 ASL_CACHE_INFO *Cache;
299 if (Gbl_SubtableCacheNext >= Gbl_SubtableCacheLast)
301 /* Allocate a new buffer */
303 Cache = UtLocalCalloc (sizeof (Cache->Next) +
304 (sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE));
306 /* Link new cache buffer to head of list */
308 Cache->Next = Gbl_SubtableCacheList;
309 Gbl_SubtableCacheList = Cache;
311 /* Setup cache management pointers */
313 Gbl_SubtableCacheNext = ACPI_CAST_PTR (DT_SUBTABLE, Cache->Buffer);
314 Gbl_SubtableCacheLast = Gbl_SubtableCacheNext + ASL_SUBTABLE_CACHE_SIZE;
318 return (Gbl_SubtableCacheNext++);
322 /*******************************************************************************
324 * FUNCTION: UtFieldCacheCalloc - Data Table compiler
328 * RETURN: Pointer to the buffer. Aborts on allocation failure
330 * DESCRIPTION: Allocate a field object buffer. Bypass the local
331 * dynamic memory manager for performance reasons (This has a
332 * major impact on the speed of the compiler.)
334 ******************************************************************************/
340 ASL_CACHE_INFO *Cache;
343 if (Gbl_FieldCacheNext >= Gbl_FieldCacheLast)
345 /* Allocate a new buffer */
347 Cache = UtLocalCalloc (sizeof (Cache->Next) +
348 (sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE));
350 /* Link new cache buffer to head of list */
352 Cache->Next = Gbl_FieldCacheList;
353 Gbl_FieldCacheList = Cache;
355 /* Setup cache management pointers */
357 Gbl_FieldCacheNext = ACPI_CAST_PTR (DT_FIELD, Cache->Buffer);
358 Gbl_FieldCacheLast = Gbl_FieldCacheNext + ASL_FIELD_CACHE_SIZE;
362 return (Gbl_FieldCacheNext++);
366 /*******************************************************************************
368 * FUNCTION: UtDeleteLocalCaches
374 * DESCRIPTION: Delete all local cache buffer blocks
376 ******************************************************************************/
379 UtDeleteLocalCaches (
383 ASL_CACHE_INFO *Next;
387 * Generic cache, arbitrary size allocations
390 while (Gbl_StringCacheList)
392 Next = Gbl_StringCacheList->Next;
393 ACPI_FREE (Gbl_StringCacheList);
394 Gbl_StringCacheList = Next;
398 DbgPrint (ASL_DEBUG_OUTPUT,
399 "%u Strings (%u bytes), Buffer size: %u bytes, %u Buffers\n",
400 Gbl_StringCount, Gbl_StringSize, ASL_STRING_CACHE_SIZE, BufferCount);
402 /* Reset cache globals */
406 Gbl_StringCacheNext = NULL;
407 Gbl_StringCacheLast = NULL;
414 while (Gbl_ParseOpCacheList)
416 Next = Gbl_ParseOpCacheList->Next;
417 ACPI_FREE (Gbl_ParseOpCacheList);
418 Gbl_ParseOpCacheList = Next;
422 DbgPrint (ASL_DEBUG_OUTPUT,
423 "%u ParseOps, Buffer size: %u ops (%u bytes), %u Buffers\n",
424 Gbl_ParseOpCount, ASL_PARSEOP_CACHE_SIZE,
425 (sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE), BufferCount);
427 /* Reset cache globals */
429 Gbl_ParseOpCount = 0;
430 Gbl_ParseOpCacheNext = NULL;
431 Gbl_ParseOpCacheLast = NULL;
432 Gbl_ParseTreeRoot = NULL;
436 * Table Compiler - Field cache
439 while (Gbl_FieldCacheList)
441 Next = Gbl_FieldCacheList->Next;
442 ACPI_FREE (Gbl_FieldCacheList);
443 Gbl_FieldCacheList = Next;
447 DbgPrint (ASL_DEBUG_OUTPUT,
448 "%u Fields, Buffer size: %u fields (%u bytes), %u Buffers\n",
449 Gbl_FieldCount, ASL_FIELD_CACHE_SIZE,
450 (sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE), BufferCount);
452 /* Reset cache globals */
455 Gbl_FieldCacheNext = NULL;
456 Gbl_FieldCacheLast = NULL;
460 * Table Compiler - Subtable cache
463 while (Gbl_SubtableCacheList)
465 Next = Gbl_SubtableCacheList->Next;
466 ACPI_FREE (Gbl_SubtableCacheList);
467 Gbl_SubtableCacheList = Next;
471 DbgPrint (ASL_DEBUG_OUTPUT,
472 "%u Subtables, Buffer size: %u subtables (%u bytes), %u Buffers\n",
473 Gbl_SubtableCount, ASL_SUBTABLE_CACHE_SIZE,
474 (sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE), BufferCount);
476 /* Reset cache globals */
478 Gbl_SubtableCount = 0;
479 Gbl_SubtableCacheNext = NULL;
480 Gbl_SubtableCacheLast = NULL;