121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
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/****************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BFLB_MM_MEM_H
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#define __BFLB_MM_MEM_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define MEM_ASSERT(x) \
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{ \
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if (!(x)) { \
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printf("[MEM] !!! assert " #x "\r\n"); \
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while (1) \
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; \
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} \
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}
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#define MEM_LOG(fmt, ...) //printf("[MEM] "fmt, __VA_ARGS__)
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#define MEM_IS_VALID(heap) ((heap) != NULL && (heap)->mem_impl != NULL)
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#define KMEM_HEAP &g_memheap
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct mem_heap_impl_s; /* Forward reference */
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struct mem_heap_s {
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struct mem_heap_impl_s *mem_impl;
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};
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struct meminfo
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{
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int total_size; /* This is the total size of memory allocated
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* for use by malloc in bytes. */
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int free_node; /* This is the number of free (not in use) chunks */
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int used_node; /* This is the number of allocated (in use) chunks */
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int max_free_size; /* Size of the largest free (not in use) chunk */
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int used_size; /* This is the total size of memory occupied by
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* chunks handed out by malloc. */
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int free_size; /* This is the total size of memory occupied
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* by free (not in use) chunks. */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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EXTERN struct mem_heap_s g_memheap;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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void kmem_init(void *heapstart, size_t heapsize);
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void umem_init(struct mem_heap_s *heap, void *heapstart, size_t heapsize);
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/* private api for mm*/
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void bflb_mem_init(struct mem_heap_s *heap, void *heapstart, size_t heapsize);
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void *bflb_malloc(struct mem_heap_s *heap, size_t nbytes);
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void bflb_free(struct mem_heap_s *heap, void *ptr);
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void *bflb_realloc(struct mem_heap_s *heap, void *ptr, size_t nbytes);
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void *bflb_calloc(struct mem_heap_s *heap, size_t count, size_t size);
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void *bflb_malloc_align(struct mem_heap_s *heap, size_t align, size_t size);
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void bflb_mem_usage(struct mem_heap_s *heap, struct meminfo *info);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BFLB_MM_MEM_H */
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