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Diffstat (limited to 'source/compiler/aslcache.c')
| -rw-r--r-- | source/compiler/aslcache.c | 481 |
1 files changed, 481 insertions, 0 deletions
diff --git a/source/compiler/aslcache.c b/source/compiler/aslcache.c new file mode 100644 index 000000000000..4154395030df --- /dev/null +++ b/source/compiler/aslcache.c @@ -0,0 +1,481 @@ +/****************************************************************************** + * + * Module Name: aslcache -- Local cache support for iASL + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ + +#include "aslcompiler.h" + +/* + * Local caches. The caches are fully deleted after the compilation/disassembly + * of each individual input file. Thus, individual allocations from the cache + * memory do not need to be freed or even released back into the cache. + * + * See aslallocate.c for standard heap allocations. + */ + + +/******************************************************************************* + * + * FUNCTION: UtLocalCacheCalloc + * + * PARAMETERS: Length - Size of buffer requested + * + * RETURN: Pointer to the buffer. Aborts compiler on allocation failure + * + * DESCRIPTION: Allocate a string buffer. Bypass the local + * dynamic memory manager for performance reasons (This has a + * major impact on the speed of the compiler.) + * + ******************************************************************************/ + +char * +UtLocalCacheCalloc ( + UINT32 Length) +{ + char *Buffer; + ASL_CACHE_INFO *Cache; + UINT32 CacheSize = ASL_STRING_CACHE_SIZE; + + + if (Length > CacheSize) + { + CacheSize = Length; + + if (Gbl_StringCacheList) + { + Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); + + /* Link new cache buffer just following head of list */ + + Cache->Next = Gbl_StringCacheList->Next; + Gbl_StringCacheList->Next = Cache; + + /* Leave cache management pointers alone as they pertain to head */ + + Gbl_StringCount++; + Gbl_StringSize += Length; + + return (Cache->Buffer); + } + } + + if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast) + { + /* Allocate a new buffer */ + + Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); + + /* Link new cache buffer to head of list */ + + Cache->Next = Gbl_StringCacheList; + Gbl_StringCacheList = Cache; + + /* Setup cache management pointers */ + + Gbl_StringCacheNext = Cache->Buffer; + Gbl_StringCacheLast = Gbl_StringCacheNext + CacheSize; + } + + Gbl_StringCount++; + Gbl_StringSize += Length; + + Buffer = Gbl_StringCacheNext; + Gbl_StringCacheNext += Length; + return (Buffer); +} + + +/******************************************************************************* + * + * FUNCTION: UtParseOpCacheCalloc + * + * PARAMETERS: None + * + * RETURN: New parse op. Aborts on allocation failure + * + * DESCRIPTION: Allocate a new parse op for the parse tree. Bypass the local + * dynamic memory manager for performance reasons (This has a + * major impact on the speed of the compiler.) + * + ******************************************************************************/ + +ACPI_PARSE_OBJECT * +UtParseOpCacheCalloc ( + void) +{ + ASL_CACHE_INFO *Cache; + + + if (Gbl_ParseOpCacheNext >= Gbl_ParseOpCacheLast) + { + /* Allocate a new buffer */ + + Cache = UtLocalCalloc (sizeof (Cache->Next) + + (sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE)); + + /* Link new cache buffer to head of list */ + + Cache->Next = Gbl_ParseOpCacheList; + Gbl_ParseOpCacheList = Cache; + + /* Setup cache management pointers */ + + Gbl_ParseOpCacheNext = ACPI_CAST_PTR (ACPI_PARSE_OBJECT, Cache->Buffer); + Gbl_ParseOpCacheLast = Gbl_ParseOpCacheNext + ASL_PARSEOP_CACHE_SIZE; + } + + Gbl_ParseOpCount++; + return (Gbl_ParseOpCacheNext++); +} + + +/******************************************************************************* + * + * FUNCTION: UtSubtableCacheCalloc - Data Table compiler + * + * PARAMETERS: None + * + * RETURN: Pointer to the buffer. Aborts on allocation failure + * + * DESCRIPTION: Allocate a subtable object buffer. Bypass the local + * dynamic memory manager for performance reasons (This has a + * major impact on the speed of the compiler.) + * + ******************************************************************************/ + +DT_SUBTABLE * +UtSubtableCacheCalloc ( + void) +{ + ASL_CACHE_INFO *Cache; + + + if (Gbl_SubtableCacheNext >= Gbl_SubtableCacheLast) + { + /* Allocate a new buffer */ + + Cache = UtLocalCalloc (sizeof (Cache->Next) + + (sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE)); + + /* Link new cache buffer to head of list */ + + Cache->Next = Gbl_SubtableCacheList; + Gbl_SubtableCacheList = Cache; + + /* Setup cache management pointers */ + + Gbl_SubtableCacheNext = ACPI_CAST_PTR (DT_SUBTABLE, Cache->Buffer); + Gbl_SubtableCacheLast = Gbl_SubtableCacheNext + ASL_SUBTABLE_CACHE_SIZE; + } + + Gbl_SubtableCount++; + return (Gbl_SubtableCacheNext++); +} + + +/******************************************************************************* + * + * FUNCTION: UtFieldCacheCalloc - Data Table compiler + * + * PARAMETERS: None + * + * RETURN: Pointer to the buffer. Aborts on allocation failure + * + * DESCRIPTION: Allocate a field object buffer. Bypass the local + * dynamic memory manager for performance reasons (This has a + * major impact on the speed of the compiler.) + * + ******************************************************************************/ + +DT_FIELD * +UtFieldCacheCalloc ( + void) +{ + ASL_CACHE_INFO *Cache; + + + if (Gbl_FieldCacheNext >= Gbl_FieldCacheLast) + { + /* Allocate a new buffer */ + + Cache = UtLocalCalloc (sizeof (Cache->Next) + + (sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE)); + + /* Link new cache buffer to head of list */ + + Cache->Next = Gbl_FieldCacheList; + Gbl_FieldCacheList = Cache; + + /* Setup cache management pointers */ + + Gbl_FieldCacheNext = ACPI_CAST_PTR (DT_FIELD, Cache->Buffer); + Gbl_FieldCacheLast = Gbl_FieldCacheNext + ASL_FIELD_CACHE_SIZE; + } + + Gbl_FieldCount++; + return (Gbl_FieldCacheNext++); +} + + +/******************************************************************************* + * + * FUNCTION: UtDeleteLocalCaches + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Delete all local cache buffer blocks + * + ******************************************************************************/ + +void +UtDeleteLocalCaches ( + void) +{ + UINT32 BufferCount; + ASL_CACHE_INFO *Next; + + + /* + * Generic cache, arbitrary size allocations + */ + BufferCount = 0; + while (Gbl_StringCacheList) + { + Next = Gbl_StringCacheList->Next; + ACPI_FREE (Gbl_StringCacheList); + Gbl_StringCacheList = Next; + BufferCount++; + } + + DbgPrint (ASL_DEBUG_OUTPUT, + "%u Strings (%u bytes), Buffer size: %u bytes, %u Buffers\n", + Gbl_StringCount, Gbl_StringSize, ASL_STRING_CACHE_SIZE, BufferCount); + + /* Reset cache globals */ + + Gbl_StringSize = 0; + Gbl_StringCount = 0; + Gbl_StringCacheNext = NULL; + Gbl_StringCacheLast = NULL; + + + /* + * Parse Op cache + */ + BufferCount = 0; + while (Gbl_ParseOpCacheList) + { + Next = Gbl_ParseOpCacheList->Next; + ACPI_FREE (Gbl_ParseOpCacheList); + Gbl_ParseOpCacheList = Next; + BufferCount++; + } + + DbgPrint (ASL_DEBUG_OUTPUT, + "%u ParseOps, Buffer size: %u ops (%u bytes), %u Buffers\n", + Gbl_ParseOpCount, ASL_PARSEOP_CACHE_SIZE, + (sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE), BufferCount); + + /* Reset cache globals */ + + Gbl_ParseOpCount = 0; + Gbl_ParseOpCacheNext = NULL; + Gbl_ParseOpCacheLast = NULL; + Gbl_ParseTreeRoot = NULL; + + + /* + * Table Compiler - Field cache + */ + BufferCount = 0; + while (Gbl_FieldCacheList) + { + Next = Gbl_FieldCacheList->Next; + ACPI_FREE (Gbl_FieldCacheList); + Gbl_FieldCacheList = Next; + BufferCount++; + } + + DbgPrint (ASL_DEBUG_OUTPUT, + "%u Fields, Buffer size: %u fields (%u bytes), %u Buffers\n", + Gbl_FieldCount, ASL_FIELD_CACHE_SIZE, + (sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE), BufferCount); + + /* Reset cache globals */ + + Gbl_FieldCount = 0; + Gbl_FieldCacheNext = NULL; + Gbl_FieldCacheLast = NULL; + + + /* + * Table Compiler - Subtable cache + */ + BufferCount = 0; + while (Gbl_SubtableCacheList) + { + Next = Gbl_SubtableCacheList->Next; + ACPI_FREE (Gbl_SubtableCacheList); + Gbl_SubtableCacheList = Next; + BufferCount++; + } + + DbgPrint (ASL_DEBUG_OUTPUT, + "%u Subtables, Buffer size: %u subtables (%u bytes), %u Buffers\n", + Gbl_SubtableCount, ASL_SUBTABLE_CACHE_SIZE, + (sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE), BufferCount); + + /* Reset cache globals */ + + Gbl_SubtableCount = 0; + Gbl_SubtableCacheNext = NULL; + Gbl_SubtableCacheLast = NULL; +} |