91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
#ifndef _TOS_MMBLK_H_
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#define _TOS_MMBLK_H_
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#if TOS_CFG_MMBLK_EN > 0u
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#define K_MMBLK_NEXT_BLK(blk_curr, blk_size) ((void *)((cpu_addr_t)blk_curr + blk_size))
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#define K_MMBLK_ALIGN_MASK (sizeof(void *) - 1u)
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typedef struct k_mmblk_pool_st {
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#if TOS_CFG_OBJECT_VERIFY_EN > 0u
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knl_obj_t knl_obj;
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#endif
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void *pool_start;
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void *free_list;
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size_t blk_size;
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size_t blk_max;
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size_t blk_free;
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} k_mmblk_pool_t;
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/**
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* @brief Create a memory manage block pool.
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* Create a memory manage block pool.
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*
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* @attention None
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*
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* @param[in] mbp pointer to the memory block pool handler.
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* @param[in] pool_start start address of the pool.
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* @param[in] blk_num number of the blocks in the pool.
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* @param[in] blk_size size of each block in the pool.
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*
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* @return errcode
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* @retval #K_ERR_MMBLK_INVALID_POOL_ADDR start address of the pool is invalid.
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* @retval #K_ERR_MMBLK_INVALID_BLK_SIZE size of the block is invalid.
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* @retval #K_ERR_NONE return successfully.
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*/
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__API__ k_err_t tos_mmblk_pool_create(k_mmblk_pool_t *mbp, void *pool_start, size_t blk_num, size_t blk_size);
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/**
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* @brief Destroy a memory manage block pool.
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* Destroy a memory manage block pool.
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*
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* @attention None
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*
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* @param[in] mbp pointer to the memory block pool handler.
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*
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* @return errcode
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* @retval #K_ERR_OBJ_INVALID mbp is not a valid memory block pool handler.
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* @retval #K_ERR_NONE return successfully.
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*/
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__API__ k_err_t tos_mmblk_pool_destroy(k_mmblk_pool_t *mbp);
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/**
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* @brief Create a memory manage block pool.
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* Create a memory manage block pool.
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*
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* @attention None
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*
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* @param[in] mbp pointer to the memory block pool handler.
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* @param[in] pool_start start address of the pool.
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* @param[in] blk_num number of the blocks in the pool.
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* @param[in] blk_size size of each block in the pool.
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*
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* @return errcode
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* @retval #K_ERR_MMBLK_POOL_EMPTY the pool is empty.
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* @retval #K_ERR_NONE return successfully.
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*/
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__API__ k_err_t tos_mmblk_alloc(k_mmblk_pool_t *mbp, void **blk);
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/**
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* @brief Create a memory manage block pool.
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* Create a memory manage block pool.
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*
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* @attention None
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*
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* @param[in] mbp pointer to the memory block pool handler.
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* @param[in] pool_start start address of the pool.
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* @param[in] blk_num number of the blocks in the pool.
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* @param[in] blk_size size of each block in the pool.
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*
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* @return errcode
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* @retval #K_ERR_MMBLK_POOL_FULL the pool is full.
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* @retval #K_ERR_NONE return successfully.
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*/
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__API__ k_err_t tos_mmblk_free(k_mmblk_pool_t *mbp, void *blk);
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#endif
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#endif /* _TOS_MMBLK_H_ */
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