dynamic control block per heap

This commit is contained in:
Philippe
2021-11-04 15:07:49 -07:00
committed by BOT
parent ea8de4ddca
commit e45d350b97
5 changed files with 124 additions and 134 deletions

View File

@@ -37,23 +37,13 @@
#pragma once
#ifdef ESP_PLATFORM
#include "soc/soc.h"
#if !CONFIG_SPIRAM
#define TLSF_MAX_POOL_SIZE (SOC_DIRAM_DRAM_HIGH - SOC_DIRAM_DRAM_LOW)
#else
#define TLSF_MAX_POOL_SIZE SOC_EXTRAM_DATA_SIZE
#endif
enum tlsf_config
{
/* log2 of number of linear subdivisions of block sizes. Larger
** values require more memory in the control structure. Values of
** 4 or 5 are typical.
** 4 or 5 are typical, 3 is for very small pools.
*/
SL_INDEX_COUNT_LOG2 = 5,
SL_INDEX_COUNT_LOG2_MIN = 3,
/* All allocation sizes and addresses are aligned to 4 bytes. */
ALIGN_SIZE_LOG2 = 2,
@@ -68,59 +58,9 @@ enum tlsf_config
** trying to split size ranges into more slots than we have available.
** Instead, we calculate the minimum threshold size, and place all
** blocks below that size into the 0th first-level list.
** Values below are the absolute minimum to accept a pool addition
*/
/* Tunning the first level, we can reduce TLSF pool overhead
* in exchange of manage a pool smaller than 4GB
*/
#if (TLSF_MAX_POOL_SIZE <= (256 * 1024))
FL_INDEX_MAX = 18, //Each pool can have up 256KB
#elif (TLSF_MAX_POOL_SIZE <= (512 * 1024))
FL_INDEX_MAX = 19, //Each pool can have up 512KB
#elif (TLSF_MAX_POOL_SIZE <= (1 * 1024 * 1024))
FL_INDEX_MAX = 20, //Each pool can have up 1MB
#elif (TLSF_MAX_POOL_SIZE <= (2 * 1024 * 1024))
FL_INDEX_MAX = 21, //Each pool can have up 2MB
#elif (TLSF_MAX_POOL_SIZE <= (4 * 1024 * 1024))
FL_INDEX_MAX = 22, //Each pool can have up 4MB
#elif (TLSF_MAX_POOL_SIZE <= (8 * 1024 * 1024))
FL_INDEX_MAX = 23, //Each pool can have up 8MB
#elif (TLSF_MAX_POOL_SIZE <= (16 * 1024 * 1024))
FL_INDEX_MAX = 24, //Each pool can have up 16MB
#else
#error "Higher TLSF pool sizes should be added for this new config"
#endif
SL_INDEX_COUNT = (1 << SL_INDEX_COUNT_LOG2),
FL_INDEX_SHIFT = (SL_INDEX_COUNT_LOG2 + ALIGN_SIZE_LOG2),
FL_INDEX_COUNT = (FL_INDEX_MAX - FL_INDEX_SHIFT + 1),
SMALL_BLOCK_SIZE = (1 << FL_INDEX_SHIFT),
FL_INDEX_MAX_MIN = 14, // For a less than 16kB pool
SL_INDEX_COUNT_MIN = (1 << SL_INDEX_COUNT_LOG2_MIN),
FL_INDEX_COUNT_MIN = (FL_INDEX_MAX_MIN - (SL_INDEX_COUNT_LOG2_MIN + ALIGN_SIZE_LOG2) + 1),
};
#else
enum tlsf_config
{
//Specific configuration for host test.
/* log2 of number of linear subdivisions of block sizes. Larger
** values require more memory in the control structure. Values of
** 4 or 5 are typical.
*/
SL_INDEX_COUNT_LOG2 = 5,
/* All allocation sizes and addresses are aligned to 4 bytes. */
ALIGN_SIZE_LOG2 = 2,
ALIGN_SIZE = (1 << ALIGN_SIZE_LOG2),
/* Tunning the first level, we can reduce TLSF pool overhead
* in exchange of manage a pool smaller than 4GB
*/
FL_INDEX_MAX = 30,
SL_INDEX_COUNT = (1 << SL_INDEX_COUNT_LOG2),
FL_INDEX_SHIFT = (SL_INDEX_COUNT_LOG2 + ALIGN_SIZE_LOG2),
FL_INDEX_COUNT = (FL_INDEX_MAX - FL_INDEX_SHIFT + 1),
SMALL_BLOCK_SIZE = (1 << FL_INDEX_SHIFT),
};
#endif