1 /******************************************************************************
2 *
3 * Module Name: aslcache -- Local cache support for iASL
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2022, 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 MERCHANTABILITY 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 #include "aslcompiler.h"
45
46 /*
47 * Local caches. The caches are fully deleted after the compilation/disassembly
48 * of each individual input file. Thus, individual allocations from the cache
49 * memory do not need to be freed or even released back into the cache.
50 *
51 * See aslallocate.c for standard heap allocations.
52 */
53
54
55 /*******************************************************************************
56 *
57 * FUNCTION: UtLocalCacheCalloc
58 *
59 * PARAMETERS: Length - Size of buffer requested
60 *
61 * RETURN: Pointer to the buffer. Aborts compiler on allocation failure
62 *
63 * DESCRIPTION: Allocate a string buffer. Bypass the local
64 * dynamic memory manager for performance reasons (This has a
65 * major impact on the speed of the compiler.)
66 *
67 ******************************************************************************/
68
69 char *
UtLocalCacheCalloc(UINT32 Length)70 UtLocalCacheCalloc (
71 UINT32 Length)
72 {
73 char *Buffer;
74 ASL_CACHE_INFO *Cache;
75 UINT32 CacheSize = ASL_STRING_CACHE_SIZE;
76
77
78 #ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
79 /* Used for objects other than strings, so keep allocations aligned */
80 Length = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
81 #endif
82
83 if (Length > CacheSize)
84 {
85 CacheSize = Length;
86
87 if (AslGbl_StringCacheList)
88 {
89 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize);
90
91 /* Link new cache buffer just following head of list */
92
93 Cache->Next = AslGbl_StringCacheList->Next;
94 AslGbl_StringCacheList->Next = Cache;
95
96 /* Leave cache management pointers alone as they pertain to head */
97
98 AslGbl_StringCount++;
99 AslGbl_StringSize += Length;
100
101 return (Cache->Buffer);
102 }
103 }
104
105 if ((AslGbl_StringCacheNext + Length) >= AslGbl_StringCacheLast)
106 {
107 /* Allocate a new buffer */
108
109 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize);
110
111 /* Link new cache buffer to head of list */
112
113 Cache->Next = AslGbl_StringCacheList;
114 AslGbl_StringCacheList = Cache;
115
116 /* Setup cache management pointers */
117
118 AslGbl_StringCacheNext = Cache->Buffer;
119 AslGbl_StringCacheLast = AslGbl_StringCacheNext + CacheSize;
120 }
121
122 AslGbl_StringCount++;
123 AslGbl_StringSize += Length;
124
125 Buffer = AslGbl_StringCacheNext;
126 AslGbl_StringCacheNext += Length;
127 return (Buffer);
128 }
129
130
131 /*******************************************************************************
132 *
133 * FUNCTION: UtParseOpCacheCalloc
134 *
135 * PARAMETERS: None
136 *
137 * RETURN: New parse op. Aborts on allocation failure
138 *
139 * DESCRIPTION: Allocate a new parse op for the parse tree. Bypass the local
140 * dynamic memory manager for performance reasons (This has a
141 * major impact on the speed of the compiler.)
142 *
143 ******************************************************************************/
144
145 ACPI_PARSE_OBJECT *
UtParseOpCacheCalloc(void)146 UtParseOpCacheCalloc (
147 void)
148 {
149 ASL_CACHE_INFO *Cache;
150
151
152 if (AslGbl_ParseOpCacheNext >= AslGbl_ParseOpCacheLast)
153 {
154 /* Allocate a new buffer */
155
156 Cache = UtLocalCalloc (sizeof (Cache->Next) +
157 (sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE));
158
159 /* Link new cache buffer to head of list */
160
161 Cache->Next = AslGbl_ParseOpCacheList;
162 AslGbl_ParseOpCacheList = Cache;
163
164 /* Setup cache management pointers */
165
166 AslGbl_ParseOpCacheNext = ACPI_CAST_PTR (ACPI_PARSE_OBJECT, Cache->Buffer);
167 AslGbl_ParseOpCacheLast = AslGbl_ParseOpCacheNext + ASL_PARSEOP_CACHE_SIZE;
168 }
169
170 AslGbl_ParseOpCount++;
171 return (AslGbl_ParseOpCacheNext++);
172 }
173
174
175 /*******************************************************************************
176 *
177 * FUNCTION: UtSubtableCacheCalloc - Data Table compiler
178 *
179 * PARAMETERS: None
180 *
181 * RETURN: Pointer to the buffer. Aborts on allocation failure
182 *
183 * DESCRIPTION: Allocate a subtable object buffer. Bypass the local
184 * dynamic memory manager for performance reasons (This has a
185 * major impact on the speed of the compiler.)
186 *
187 ******************************************************************************/
188
189 DT_SUBTABLE *
UtSubtableCacheCalloc(void)190 UtSubtableCacheCalloc (
191 void)
192 {
193 ASL_CACHE_INFO *Cache;
194
195
196 if (AslGbl_SubtableCacheNext >= AslGbl_SubtableCacheLast)
197 {
198 /* Allocate a new buffer */
199
200 Cache = UtLocalCalloc (sizeof (Cache->Next) +
201 (sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE));
202
203 /* Link new cache buffer to head of list */
204
205 Cache->Next = AslGbl_SubtableCacheList;
206 AslGbl_SubtableCacheList = Cache;
207
208 /* Setup cache management pointers */
209
210 AslGbl_SubtableCacheNext = ACPI_CAST_PTR (DT_SUBTABLE, Cache->Buffer);
211 AslGbl_SubtableCacheLast = AslGbl_SubtableCacheNext + ASL_SUBTABLE_CACHE_SIZE;
212 }
213
214 AslGbl_SubtableCount++;
215 return (AslGbl_SubtableCacheNext++);
216 }
217
218
219 /*******************************************************************************
220 *
221 * FUNCTION: UtFieldCacheCalloc - Data Table compiler
222 *
223 * PARAMETERS: None
224 *
225 * RETURN: Pointer to the buffer. Aborts on allocation failure
226 *
227 * DESCRIPTION: Allocate a field object buffer. Bypass the local
228 * dynamic memory manager for performance reasons (This has a
229 * major impact on the speed of the compiler.)
230 *
231 ******************************************************************************/
232
233 DT_FIELD *
UtFieldCacheCalloc(void)234 UtFieldCacheCalloc (
235 void)
236 {
237 ASL_CACHE_INFO *Cache;
238
239
240 if (AslGbl_FieldCacheNext >= AslGbl_FieldCacheLast)
241 {
242 /* Allocate a new buffer */
243
244 Cache = UtLocalCalloc (sizeof (Cache->Next) +
245 (sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE));
246
247 /* Link new cache buffer to head of list */
248
249 Cache->Next = AslGbl_FieldCacheList;
250 AslGbl_FieldCacheList = Cache;
251
252 /* Setup cache management pointers */
253
254 AslGbl_FieldCacheNext = ACPI_CAST_PTR (DT_FIELD, Cache->Buffer);
255 AslGbl_FieldCacheLast =AslGbl_FieldCacheNext + ASL_FIELD_CACHE_SIZE;
256 }
257
258 AslGbl_FieldCount++;
259 return (AslGbl_FieldCacheNext++);
260 }
261
262
263 /*******************************************************************************
264 *
265 * FUNCTION: UtDeleteLocalCaches
266 *
267 * PARAMETERS: None
268 *
269 * RETURN: None
270 *
271 * DESCRIPTION: Delete all local cache buffer blocks
272 *
273 ******************************************************************************/
274
275 void
UtDeleteLocalCaches(void)276 UtDeleteLocalCaches (
277 void)
278 {
279 UINT32 BufferCount;
280 ASL_CACHE_INFO *Next;
281
282
283 /*
284 * Generic cache, arbitrary size allocations
285 */
286 BufferCount = 0;
287 while (AslGbl_StringCacheList)
288 {
289 Next = AslGbl_StringCacheList->Next;
290 ACPI_FREE (AslGbl_StringCacheList);
291 AslGbl_StringCacheList = Next;
292 BufferCount++;
293 }
294
295 DbgPrint (ASL_DEBUG_OUTPUT,
296 "%u Strings (%u bytes), Buffer size: %u bytes, %u Buffers\n",
297 AslGbl_StringCount, AslGbl_StringSize, ASL_STRING_CACHE_SIZE, BufferCount);
298
299 /* Reset cache globals */
300
301 AslGbl_StringSize = 0;
302 AslGbl_StringCount = 0;
303 AslGbl_StringCacheNext = NULL;
304 AslGbl_StringCacheLast = NULL;
305
306 /*
307 * Parse Op cache
308 */
309 BufferCount = 0;
310 while (AslGbl_ParseOpCacheList)
311 {
312 Next = AslGbl_ParseOpCacheList->Next;
313 ACPI_FREE (AslGbl_ParseOpCacheList);
314 AslGbl_ParseOpCacheList = Next;
315 BufferCount++;
316 }
317
318 DbgPrint (ASL_DEBUG_OUTPUT,
319 "%u ParseOps, Buffer size: %u ops (%u bytes), %u Buffers\n",
320 AslGbl_ParseOpCount, ASL_PARSEOP_CACHE_SIZE,
321 ((UINT32) sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE), BufferCount);
322
323 /* Reset cache globals */
324
325 AslGbl_ParseOpCount = 0;
326 AslGbl_ParseOpCacheNext = NULL;
327 AslGbl_ParseOpCacheLast = NULL;
328 AslGbl_ParseTreeRoot = NULL;
329
330 /*
331 * Table Compiler - Field cache
332 */
333 BufferCount = 0;
334 while (AslGbl_FieldCacheList)
335 {
336 Next = AslGbl_FieldCacheList->Next;
337 ACPI_FREE (AslGbl_FieldCacheList);
338 AslGbl_FieldCacheList = Next;
339 BufferCount++;
340 }
341
342 DbgPrint (ASL_DEBUG_OUTPUT,
343 "%u Fields, Buffer size: %u fields (%u bytes), %u Buffers\n",
344 AslGbl_FieldCount, ASL_FIELD_CACHE_SIZE,
345 ((UINT32) sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE), BufferCount);
346
347 /* Reset cache globals */
348
349 AslGbl_FieldCount = 0;
350 AslGbl_FieldCacheNext = NULL;
351 AslGbl_FieldCacheLast = NULL;
352
353 /*
354 * Table Compiler - Subtable cache
355 */
356 BufferCount = 0;
357 while (AslGbl_SubtableCacheList)
358 {
359 Next = AslGbl_SubtableCacheList->Next;
360 ACPI_FREE (AslGbl_SubtableCacheList);
361 AslGbl_SubtableCacheList = Next;
362 BufferCount++;
363 }
364
365 DbgPrint (ASL_DEBUG_OUTPUT,
366 "%u Subtables, Buffer size: %u subtables (%u bytes), %u Buffers\n",
367 AslGbl_SubtableCount, ASL_SUBTABLE_CACHE_SIZE,
368 ((UINT32) sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE), BufferCount);
369
370 /* Reset cache globals */
371
372 AslGbl_SubtableCount = 0;
373 AslGbl_SubtableCacheNext = NULL;
374 AslGbl_SubtableCacheLast = NULL;
375 }
376