/******************************************************************************
*
* Module Name: aslcache -- Local cache support for iASL
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2022, Intel Corp.
* All rights reserved.
*
* 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.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* 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
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#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;
#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
/* Used for objects other than strings, so keep allocations aligned */
Length = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
#endif
if (Length > CacheSize)
{
CacheSize = Length;
if (AslGbl_StringCacheList)
{
Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize);
/* Link new cache buffer just following head of list */
Cache->Next = AslGbl_StringCacheList->Next;
AslGbl_StringCacheList->Next = Cache;
/* Leave cache management pointers alone as they pertain to head */
AslGbl_StringCount++;
AslGbl_StringSize += Length;
return (Cache->Buffer);
}
}
if ((AslGbl_StringCacheNext + Length) >= AslGbl_StringCacheLast)
{
/* Allocate a new buffer */
Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize);
/* Link new cache buffer to head of list */
Cache->Next = AslGbl_StringCacheList;
AslGbl_StringCacheList = Cache;
/* Setup cache management pointers */
AslGbl_StringCacheNext = Cache->Buffer;
AslGbl_StringCacheLast = AslGbl_StringCacheNext + CacheSize;
}
AslGbl_StringCount++;
AslGbl_StringSize += Length;
Buffer = AslGbl_StringCacheNext;
AslGbl_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 (AslGbl_ParseOpCacheNext >= AslGbl_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 = AslGbl_ParseOpCacheList;
AslGbl_ParseOpCacheList = Cache;
/* Setup cache management pointers */
AslGbl_ParseOpCacheNext = ACPI_CAST_PTR (ACPI_PARSE_OBJECT, Cache->Buffer);
AslGbl_ParseOpCacheLast = AslGbl_ParseOpCacheNext + ASL_PARSEOP_CACHE_SIZE;
}
AslGbl_ParseOpCount++;
return (AslGbl_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 (AslGbl_SubtableCacheNext >= AslGbl_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 = AslGbl_SubtableCacheList;
AslGbl_SubtableCacheList = Cache;
/* Setup cache management pointers */
AslGbl_SubtableCacheNext = ACPI_CAST_PTR (DT_SUBTABLE, Cache->Buffer);
AslGbl_SubtableCacheLast = AslGbl_SubtableCacheNext + ASL_SUBTABLE_CACHE_SIZE;
}
AslGbl_SubtableCount++;
return (AslGbl_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 (AslGbl_FieldCacheNext >= AslGbl_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 = AslGbl_FieldCacheList;
AslGbl_FieldCacheList = Cache;
/* Setup cache management pointers */
AslGbl_FieldCacheNext = ACPI_CAST_PTR (DT_FIELD, Cache->Buffer);
AslGbl_FieldCacheLast =AslGbl_FieldCacheNext + ASL_FIELD_CACHE_SIZE;
}
AslGbl_FieldCount++;
return (AslGbl_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 (AslGbl_StringCacheList)
{
Next = AslGbl_StringCacheList->Next;
ACPI_FREE (AslGbl_StringCacheList);
AslGbl_StringCacheList = Next;
BufferCount++;
}
DbgPrint (ASL_DEBUG_OUTPUT,
"%u Strings (%u bytes), Buffer size: %u bytes, %u Buffers\n",
AslGbl_StringCount, AslGbl_StringSize, ASL_STRING_CACHE_SIZE, BufferCount);
/* Reset cache globals */
AslGbl_StringSize = 0;
AslGbl_StringCount = 0;
AslGbl_StringCacheNext = NULL;
AslGbl_StringCacheLast = NULL;
/*
* Parse Op cache
*/
BufferCount = 0;
while (AslGbl_ParseOpCacheList)
{
Next = AslGbl_ParseOpCacheList->Next;
ACPI_FREE (AslGbl_ParseOpCacheList);
AslGbl_ParseOpCacheList = Next;
BufferCount++;
}
DbgPrint (ASL_DEBUG_OUTPUT,
"%u ParseOps, Buffer size: %u ops (%u bytes), %u Buffers\n",
AslGbl_ParseOpCount, ASL_PARSEOP_CACHE_SIZE,
((UINT32) sizeof (ACPI_PARSE_OBJECT) * ASL_PARSEOP_CACHE_SIZE), BufferCount);
/* Reset cache globals */
AslGbl_ParseOpCount = 0;
AslGbl_ParseOpCacheNext = NULL;
AslGbl_ParseOpCacheLast = NULL;
AslGbl_ParseTreeRoot = NULL;
/*
* Table Compiler - Field cache
*/
BufferCount = 0;
while (AslGbl_FieldCacheList)
{
Next = AslGbl_FieldCacheList->Next;
ACPI_FREE (AslGbl_FieldCacheList);
AslGbl_FieldCacheList = Next;
BufferCount++;
}
DbgPrint (ASL_DEBUG_OUTPUT,
"%u Fields, Buffer size: %u fields (%u bytes), %u Buffers\n",
AslGbl_FieldCount, ASL_FIELD_CACHE_SIZE,
((UINT32) sizeof (DT_FIELD) * ASL_FIELD_CACHE_SIZE), BufferCount);
/* Reset cache globals */
AslGbl_FieldCount = 0;
AslGbl_FieldCacheNext = NULL;
AslGbl_FieldCacheLast = NULL;
/*
* Table Compiler - Subtable cache
*/
BufferCount = 0;
while (AslGbl_SubtableCacheList)
{
Next = AslGbl_SubtableCacheList->Next;
ACPI_FREE (AslGbl_SubtableCacheList);
AslGbl_SubtableCacheList = Next;
BufferCount++;
}
DbgPrint (ASL_DEBUG_OUTPUT,
"%u Subtables, Buffer size: %u subtables (%u bytes), %u Buffers\n",
AslGbl_SubtableCount, ASL_SUBTABLE_CACHE_SIZE,
((UINT32) sizeof (DT_SUBTABLE) * ASL_SUBTABLE_CACHE_SIZE), BufferCount);
/* Reset cache globals */
AslGbl_SubtableCount = 0;
AslGbl_SubtableCacheNext = NULL;
AslGbl_SubtableCacheLast = NULL;
}