/*
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. 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.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its 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 HOLDER 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.
*/
/**
* @defgroup los_memory Dynamic memory
* @ingroup kernel
*/
#ifndef _LOS_MEMORY_H
#define _LOS_MEMORY_H
#include "los_config.h"
#include "los_base.h"
#include "los_toolchain.h"
#include "los_membox.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifdef LOSCFG_MEM_LEAKCHECK
/**
* @ingroup los_memory
* The omit layers of function call from call kernel memory interfaces
* such as LOS_MemAlloc/LOS_MemAllocAlign/LOS_MemRealloc/LOS_MemFree.
*/
#define LOS_OMIT_LR_CNT 2
/**
* @ingroup los_memory
* The recored layes of function call.
*/
#define LOS_RECORD_LR_CNT 3
#endif
/**
* @ingroup los_memory
* The start address of exc interaction dynamic memory pool address, when the exc
* interaction feature not support, m_aucSysMem0 equals to m_aucSysMem1.
*/
extern UINT8 *m_aucSysMem0; //异常接管动态内存池的起始地址,异常接管一般用于调试,当不支持异常接管功能时,m_aucSysMem0 = m_aucSysMem1
/**
* @ingroup los_memory
* The start address of system dynamic memory pool address.
*/
extern UINT8 *m_aucSysMem1; //系统动态内存池的起始地址
/**
* @ingroup los_memory
* The memory Maximum memory usage statistics.
* @attention
* - If running as debug mode, it will affect the performance of memory malloc and free.
* - OS_MEM_WATERLINE=YES: open the function for Maximum memory usage statistics
* - OS_MEM_WATERLINE=NO: close the function for Maximum memory usage statistics, it set to NO as usual
*
*/
#ifdef LOSCFG_MEM_WATERLINE //水位线,用于统计内存使用上线
#define OS_MEM_WATERLINE NO
#endif
#ifdef LOSCFG_MEM_MUL_MODULE
/**
* @ingroup los_memory
* The memory usage statistics depend on module, this is the max module no.
*/
#define MEM_MODULE_MAX 0x20
/**
* @ingroup los_memory
* @brief Allocate dynamic memory.
*
* @par Description:
*
* - This API is used to allocate a memory block of which the size is specified and update module mem used.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The size of the input parameter size can not be greater than the memory pool size that specified at the second
* input parameter of LOS_MemInit.
* - The size of the input parameter size must be four byte-aligned.
*
*
* @param pool [IN] Pointer to the memory pool that contains the memory block to be allocated.
* @param size [IN] Size of the memory block to be allocated (unit: byte).
* @param moduleID [IN] module ID (0~MODULE_MAX).
*
* @retval #NULL The memory fails to be allocated.
* @retval #VOID* The memory is successfully allocated with the starting address of the allocated memory block
* returned.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemRealloc | LOS_MemAllocAlign | LOS_MemFree
*/
extern VOID *LOS_MemMalloc(VOID *pool, UINT32 size, UINT32 moduleID);
/**
* @ingroup los_memory
* @brief Allocate aligned memory.
*
* @par Description:
*
* - This API is used to allocate memory blocks of specified size and of which the starting addresses are aligned on
* a specified boundary and update module mem used.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The size of the input parameter size can not be greater than the memory pool size that specified at the second
* input parameter of LOS_MemInit.
* - The alignment parameter value must be a power of 2 with the minimum value being 4.
*
*
* @param pool [IN] Pointer to the memory pool that contains the memory blocks to be allocated.
* @param size [IN] Size of the memory to be allocated.
* @param boundary [IN] Boundary on which the memory is aligned.
* @param moduleID [IN] module ID (0~MODULE_MAX).
*
* @retval #NULL The memory fails to be allocated.
* @retval #VOID* The memory is successfully allocated with the starting address of the allocated
* memory returned.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemAlloc | LOS_MemRealloc | LOS_MemFree
*/
extern VOID *LOS_MemMallocAlign(VOID *pool, UINT32 size, UINT32 boundary, UINT32 moduleID);
/**
* @ingroup los_memory
* @brief Free dynamic memory.
*
* @par Description:
* This API is used to free specified dynamic memory that has been allocated and update module mem used.
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The input ptr parameter must be allocated by LOS_MemAlloc or LOS_MemAllocAlign or LOS_MemRealloc.
*
*
* @param pool [IN] Pointer to the memory pool that contains the dynamic memory block to be freed.
* @param ptr [IN] Starting address of the memory block to be freed.
* @param moduleID [IN] module ID (0~MODULE_MAX).
*
* @retval #LOS_NOK The memory block fails to be freed because the starting address of the memory block is
* invalid, or the memory overwriting occurs.
* @retval #LOS_OK The memory block is successfully freed.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemAlloc | LOS_MemRealloc | LOS_MemAllocAlign
*/
extern UINT32 LOS_MemMfree(VOID *pool, VOID *ptr, UINT32 moduleID);
/**
* @ingroup los_memory
* @brief Re-allocate a memory block.
*
* @par Description:
*
* - This API is used to allocate a new memory block of which the size is specified by size if the original memory
* block size is insufficient. The new memory block will copy the data in the original memory block of which the
* address is specified by ptr.The size of the new memory block determines the maximum size of data to be copied.
* After the new memory block is created, the original one is freed. And update module mem used
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The input ptr parameter must be allocated by LOS_MemAlloc or LOS_MemAllocAlign.
* - The size of the input parameter size can not be greater than the memory pool size that specified at the second
* input parameter of LOS_MemInit.
* - The size of the input parameter size must be aligned as follows: 1) if the ptr is allocated by LOS_MemAlloc,
* it must be four byte-aligned; 2) if the ptr is allocated by LOS_MemAllocAlign, it must be aligned with the size of
* the input parameter boundary of LOS_MemAllocAlign.
*
*
* @param pool [IN] Pointer to the memory pool that contains the original and new memory blocks.
* @param ptr [IN] Address of the original memory block.
* @param size [IN] Size of the new memory block.
* @param moduleID [IN] module ID (0~MODULE_MAX).
*
* @retval #NULL The memory fails to be re-allocated.
* @retval #VOID* The memory is successfully re-allocated with the starting address of the new memory block
* returned.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemAlloc | LOS_MemAllocAlign | LOS_MemFree
*/
extern VOID *LOS_MemMrealloc(VOID *pool, VOID *ptr, UINT32 size, UINT32 moduleID);
/**
* @ingroup los_memory
* @brief get special module's mem consume size.
*
* @par Description:
* This API is used to get special module's mem consume size.
* @param moduleID [IN] module ID (0~MODULE_MAX).
*
* @retval #UINT32 The size of the special module's memory consumed.
* @retval #OS_NULL_INT The illegal module.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
*/
extern UINT32 LOS_MemMusedGet(UINT32 moduleID);
#endif
#ifdef LOSCFG_MEM_MUL_POOL
/**
* @ingroup los_memory
* @brief Deinitialize dynamic memory.
*
* @par Description:
*
* - This API is used to deinitialize the dynamic memory of a doubly linked list.
*
*
* @param pool [IN] Starting address of memory.
*
* @retval #OS_ERROR The dynamic memory fails to be deinitialized.
* @retval #LOS_OK The dynamic memory is successfully deinitialized.
* @par Dependency:
*
* - los_memory.h: the header file that contains the API declaration.
*
* @see None.
*/
extern UINT32 LOS_MemDeInit(VOID *pool);
/**
* @ingroup los_memory
* @brief Print infomation about all pools.
*
* @par Description:
*
* - This API is used to print infomation about all pools.
*
*
* @retval #UINT32 The pool number.
* @par Dependency:
*
* - los_memory.h: the header file that contains the API declaration.
*
* @see None.
*/
extern UINT32 LOS_MemPoolList(VOID);
#endif
/**
* @ingroup los_memory
* Memory pool extern information structure
*/
typedef struct { //内存池外部信息结构体
UINT32 uwTotalUsedSize; //总使用大小
UINT32 uwTotalFreeSize; //总剩余大小
UINT32 uwMaxFreeNodeSize; //最大剩余节点大小
UINT32 uwUsedNodeNum; //已使用的节点大小
UINT32 uwFreeNodeNum; //空闲节点大小
#if defined(OS_MEM_WATERLINE) && (OS_MEM_WATERLINE == YES)//水位线
UINT32 uwUsageWaterLine;
#endif
} LOS_MEM_POOL_STATUS;
/**
* @ingroup los_memory
* @brief Initialize dynamic memory.
*
* @par Description:
*
* - This API is used to initialize the dynamic memory of a doubly linked list.
*
* @attention
*
* - The size parameter value should match the following two conditions :
* 1) Be less than or equal to the Memory pool size;
* 2) Be greater than the size of OS_MEM_MIN_POOL_SIZE.
* - Call this API when dynamic memory needs to be initialized during the startup of Huawei LiteOS.
* - The parameter input must be four byte-aligned.
* - The init area [pool, pool + size] should not conflict with other pools.
*
*
* @param pool [IN] Starting address of memory.
* @param size [IN] Memory size.
*
* @retval #OS_ERROR The dynamic memory fails to be initialized.
* @retval #LOS_OK The dynamic memory is successfully initialized.
* @par Dependency:
*
* - los_memory.h: the header file that contains the API declaration.
*
* @see None.
*/
extern UINT32 LOS_MemInit(VOID *pool, UINT32 size);
/**
* @ingroup los_memory
* @brief Enable memory pool to support dynamic expansion.
*
* @par Description:
*
* - This API is used to enable the dynamic memory to expand size dynamically.
*
* @attention
*
* - The memory pool is default diabled dynamic expansion.
*
*
* @param pool [IN] Starting address of memory.
*
* @retval node.
* @par Dependency:
*
* - los_memory.h: the header file that contains the API declaration.
*
* @see None.
*/
extern VOID LOS_MemExpandEnable(VOID *pool);
/**
* @ingroup los_memory
* @brief Allocate dynamic memory.
*
* @par Description:
*
* - This API is used to allocate a memory block of which the size is specified.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The size of the input parameter size can not be greater than the memory pool size that specified at the second
* input parameter of LOS_MemInit.
* - The size of the input parameter size must be four byte-aligned.
*
*
* @param pool [IN] Pointer to the memory pool that contains the memory block to be allocated.
* @param size [IN] Size of the memory block to be allocated (unit: byte).
*
* @retval #NULL The memory fails to be allocated.
* @retval #VOID* The memory is successfully allocated with the starting address of the allocated memory block
* returned.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemRealloc | LOS_MemAllocAlign | LOS_MemFree
*/
extern VOID *LOS_MemAlloc(VOID *pool, UINT32 size);
/**
* @ingroup los_memory
* @brief Free dynamic memory.
*
* @par Description:
* This API is used to free specified dynamic memory that has been allocated.
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The input ptr parameter must be allocated by LOS_MemAlloc or LOS_MemAllocAlign or LOS_MemRealloc.
*
*
* @param pool [IN] Pointer to the memory pool that contains the dynamic memory block to be freed.
* @param ptr [IN] Starting address of the memory block to be freed.
*
* @retval #LOS_NOK The memory block fails to be freed because the starting address of the memory block is
* invalid, or the memory overwriting occurs.
* @retval #LOS_OK The memory block is successfully freed.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemAlloc | LOS_MemRealloc | LOS_MemAllocAlign
*/
extern UINT32 LOS_MemFree(VOID *pool, VOID *ptr);
/**
* @ingroup los_memory
* @brief Re-allocate a memory block.
*
* @par Description:
*
* - This API is used to allocate a new memory block of which the size is specified by size if the original memory
* block size is insufficient. The new memory block will copy the data in the original memory block of which the
* address is specified by ptr. The size of the new memory block determines the maximum size of data to be copied.
* After the new memory block is created, the original one is freed.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The input ptr parameter must be allocated by LOS_MemAlloc or LOS_MemAllocAlign.
* - The size of the input parameter size can not be greater than the memory pool size that specified at the second
* input parameter of LOS_MemInit.
* - The size of the input parameter size must be aligned as follows: 1) if the ptr is allocated by LOS_MemAlloc,
* it must be four byte-aligned; 2) if the ptr is allocated by LOS_MemAllocAlign, it must be aligned with the size of
* the input parameter boundary of LOS_MemAllocAlign.
*
*
* @param pool [IN] Pointer to the memory pool that contains the original and new memory blocks.
* @param ptr [IN] Address of the original memory block.
* @param size [IN] Size of the new memory block.
*
* @retval #NULL The memory fails to be re-allocated.
* @retval #VOID* The memory is successfully re-allocated with the starting address of the new memory block returned.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemAlloc | LOS_MemAllocAlign | LOS_MemFree
*/
extern VOID *LOS_MemRealloc(VOID *pool, VOID *ptr, UINT32 size);
/**
* @ingroup los_memory
* @brief Allocate aligned memory.
*
* @par Description:
*
* - This API is used to allocate memory blocks of specified size and of which the starting addresses are aligned on
* a specified boundary.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The size of the input parameter size can not be greater than the memory pool size that specified at the second
* input parameter of LOS_MemInit.
* - The alignment parameter value must be a power of 2 with the minimum value being 4.
*
*
* @param pool [IN] Pointer to the memory pool that contains the memory blocks to be allocated.
* @param size [IN] Size of the memory to be allocated.
* @param boundary [IN] Boundary on which the memory is aligned.
*
* @retval #NULL The memory fails to be allocated.
* @retval #VOID* The memory is successfully allocated with the starting address of the allocated memory returned.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemAlloc | LOS_MemRealloc | LOS_MemFree
*/
extern VOID *LOS_MemAllocAlign(VOID *pool, UINT32 size, UINT32 boundary);
/**
* @ingroup los_memory
* @brief Get the size of memory pool's size.
*
* @par Description:
*
* - This API is used to get the size of memory pool' total size.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The incoming parameter pool is NULL.
* @retval #UINT32 The size of the memory pool.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemPoolSizeGet(const VOID *pool);
/**
* @ingroup los_memory
* @brief Get the size of memory totally used.
*
* @par Description:
*
* - This API is used to get the size of memory totally used in memory pool.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The incoming parameter pool is NULL.
* @retval #UINT32 The size of the memory pool used.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemTotalUsedGet(VOID *pool);
/**
* @ingroup los_memory
* @brief Get the number of free memory nodes.
*
* @par Description:
*
* - This API is used to get the number of free memory nodes in memory pool.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The incoming parameter pool is NULL.
* @retval #UINT32 The number of free memory nodes.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemFreeBlksGet(VOID *pool);
/**
* @ingroup los_memory
* @brief Get the number of used memory nodes.
*
* @par Description:
*
* - This API is used to get the number of used memory nodes in memory pool.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The incoming parameter pool is NULL.
* @retval #UINT32 The number of used memory nodes.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemUsedBlksGet(VOID *pool);
/**
* @ingroup los_memory
* @brief Get the task ID of a used memory node.
*
* @par Description:
*
* - This API is used to get the task ID of a used memory node.
*
* @attention
*
* - The input ptr parameter must be allocated by LOS_MemAlloc or LOS_MemAllocAlign.
* - This interface only support obtain the task ID of a used memory node which is allocated from the system memory
* pool (OS_SYS_MEM_ADDR) at present.
*
*
* @param ptr [IN] A used memory node.
*
* @retval #OS_INVALID The incoming parameter ptr is illegal.
* @retval #UINT32 The task ID of used memory node ptr.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemTaskIdGet(VOID *ptr);
/**
* @ingroup los_memory
* @brief Get the address of last node.
*
* @par Description:
*
* - This API is used to get the address of last node.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The last node of memory pool is not the end node.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The incoming parameter pool is NULL.
* @retval #UINTPTR The address of the last used node that casts to UINTPTR.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINTPTR LOS_MemLastUsedGet(VOID *pool);
/**
* @ingroup los_memory
* @brief Get the infomation of memory pool.
*
* @par Description:
*
* - This API is used to get the infomation of memory pool.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
* @param poolStatus [IN] A pointer for storage the pool status
*
* @retval #LOS_NOK The incoming parameter pool is NULL or invalid.
* @retval #LOS_OK Success to get memory infomation.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemInfoGet(VOID *pool, LOS_MEM_POOL_STATUS *poolStatus);
/**
* @ingroup los_memory
* @brief Get the number of free node in every size.
*
* @par Description:
*
* - This API is used to get the number of free node in every size.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The incoming parameter pool is NULL.
* @retval #UINT32 The address of the last used node that casts to UINT32.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemFreeNodeShow(VOID *pool);
/**
* @ingroup los_memory
* @brief Check the memory pool integrity.
*
* @par Description:
*
* - This API is used to check the memory pool integrity.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - LOS_MemIntegrityCheck will be called by malloc function when the macro of LOSCFG_BASE_MEM_NODE_INTEGRITY_CHECK
* is defined in LiteOS.
* - LOS_MemIntegrityCheck function can be called by user anytime.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
*
* @retval #LOS_NOK The memory pool (pool) is impaired.
* @retval #LOS_OK The memory pool (pool) is integrated.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see None.
*/
extern UINT32 LOS_MemIntegrityCheck(const VOID *pool);
/**
* @ingroup los_memory
* @brief Check the size of memory node specified.
*
* @par Description:
*
* - This API is used to check the size of memory node.
*
* @attention
*
* - The input pool parameter must be initialized via func LOS_MemInit.
* - The input ptr parameter must be allocated by LOS_MemAlloc or LOS_MemAllocAlign.
* - The function will be called by function specified, such as memset or memcpy.
* - The feature can be enabled when you set the macro value of LOSCFG_BASE_MEM_NODE_SIZE_CHECK as YES.
* - You had better set memory check level as LOS_MEM_CHECK_LEVEL_DISABLE when copy bin file.
*
*
* @param pool [IN] A pointer pointed to the memory pool.
* @param ptr [IN] A pointer pointed to the source node.
* @param totalSize [OUT] A pointer to save total size, must point to valid memory.
* @param availSize [OUT] A pointer to save available size, must point to valid memory.
*
* @retval #LOS_ERRNO_MEMCHECK_DISABLED Memcheck function does not open.
* @retval #LOS_ERRNO_MEMCHECK_PARA_NULL The pool or ptr is NULL.
* @retval #LOS_ERRNO_MEMCHECK_OUTSIDE The ptr address is not in the reasonable range.
* @retval #LOS_ERRNO_MEMCHECK_NO_HEAD Can't find the control head node from ptr.
* @retval #LOS_ERRNO_MEMCHECK_WRONG_LEVEL The memory check level is illegal.
* @retval #LOS_OK Success to get total size and available size of the memory node (ptr).
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemCheckLevelSet | LOS_MemCheckLevelGet
*/
extern UINT32 LOS_MemNodeSizeCheck(VOID *pool, VOID *ptr, UINT32 *totalSize, UINT32 *availSize);
/**
* @ingroup los_memory
* @brief Set the memory check level.
*
* @par Description:
*
* - This API is used to set the memory check level.
*
* @attention
*
* - There are three level you can set.
* - The legal level are LOS_MEM_CHECK_LEVEL_LOW, LOS_MEM_CHECK_LEVEL_HIGH, LOS_MEM_CHECK_LEVEL_DISABLE.
*
*
* @param checkLevel [IN] The level what you want to set.
*
* @retval #LOS_ERRNO_MEMCHECK_WRONG_LEVEL The memory check level what you want to set is illegal.
* @retval #LOS_OK Success to set the memory check level.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemNodeSizeCheck | LOS_MemCheckLevelGet
*/
extern UINT32 LOS_MemCheckLevelSet(UINT8 checkLevel);
extern void *boot_alloc_mem(size_t len);
/**
* @ingroup los_memory
* @brief Get the memory check level.
*
* @par Description:
*
* - This API is used to get the current memory check level.
*
* @attention
*
*
* @param None
*
* @retval #UINT8 The current memory check level.
* @par Dependency:
* - los_memory.h: the header file that contains the API declaration.
* @see LOS_MemNodeSizeCheck | LOS_MemCheckLevelSet
*/
extern UINT8 LOS_MemCheckLevelGet(VOID);
/**
* @ingroup los_memory
* Define a mem size check intensity
*
* Lowest mem check.
*/
#define LOS_MEM_CHECK_LEVEL_LOW 0
/**
* @ingroup los_memory
* Define a mem size check intensity
*
* Highest mem check.
*/
#define LOS_MEM_CHECK_LEVEL_HIGH 1
/**
* @ingroup los_memory
* Define a mem size check intensity
*
* disable mem check.
*/
#define LOS_MEM_CHECK_LEVEL_DISABLE 0xff
/**
* @ingroup los_memory
* Define a mem size check intensity
*
* default intensity set mem check.
*/
#define LOS_MEM_CHECK_LEVEL_DEFAULT LOS_MEM_CHECK_LEVEL_DISABLE
/**
* @ingroup los_memory
* memcheck error code: the ptr or pool is NULL
* Value: 0x02000101
* Solution: don't give a NULL parameter
*/
#define LOS_ERRNO_MEMCHECK_PARA_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x1)
/**
* @ingroup los_memory
* memcheck error code: the ptr addr not in the suit range
* Value: 0x02000102
* Solution: check ptr and comfirm it included by stack
*/
#define LOS_ERRNO_MEMCHECK_OUTSIDE LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x2)
/**
* @ingroup los_memory
* memcheck error code: can't find the ctrl node
* Value: 0x02000103
* Solution: confirm the ptr if this node has been freed or has not been alloced
*/
#define LOS_ERRNO_MEMCHECK_NO_HEAD LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x3)
/**
* @ingroup los_memory
* memcheck error code: the para level is wrong
* Value: 0x02000104
* Solution: checkout the memcheck level by the func "OS_GetMemCheck_Level"
*/
#define LOS_ERRNO_MEMCHECK_WRONG_LEVEL LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x4)
/**
* @ingroup los_memory
* memcheck error code: memcheck func not open
* Value: 0x02000105
* Solution: enable memcheck by the func "OS_SetMemCheck_Level"
*/
#define LOS_ERRNO_MEMCHECK_DISABLED LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x5)
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_MEMORY_H */