14  * 2013-07-11     Grissiom     fix the memory block splitting issue.
35  * The initialized memory pool will be:
37  * | whole freed memory block          | Used Memory Block Tailer |
40  * block_list --> whole freed memory block
42  * The length of Used Memory Block Tailer is 0,
72     /* initialize the first big memory block */  in rt_lwp_memheap_init()
88     /* place the big memory block to free list */  in rt_lwp_memheap_init()
94     /* move to the end of memory pool to build a small tailer block,  in rt_lwp_memheap_init()
98     /* it's a used memory block */  in rt_lwp_memheap_init()
110                  ("memory heap: start addr 0x%08x, size %d, free list header 0x%08x\n",  in rt_lwp_memheap_init()
146         /* get the first free memory block */  in rt_lwp_memheap_alloc()
150             /* get current freed memory block size */  in rt_lwp_memheap_alloc()
154                 /* move to next free memory block */  in rt_lwp_memheap_alloc()
159         /* determine if the memory is available. */  in rt_lwp_memheap_alloc()
180                 /* mark the new block as a memory block and freed. */  in rt_lwp_memheap_alloc()
240             /* Return a memory address to the caller.  */  in rt_lwp_memheap_alloc()
242                          ("alloc mem: memory[0x%08x], heap[0x%08x], size: %d\n",  in rt_lwp_memheap_alloc()
254     RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("allocate memory: failed\n"));  in rt_lwp_memheap_alloc()
283     /* get memory block header and get the size of memory block */  in rt_lwp_memheap_realloc()
287     /* re-allocate memory */  in rt_lwp_memheap_realloc()
351                 /* mark the new block as a memory block and freed. */  in rt_lwp_memheap_realloc()
381         /* re-allocate a memory block */  in rt_lwp_memheap_realloc()
416     /* mark the new block as a memory block and freed. */  in rt_lwp_memheap_realloc()
463     /* return the old memory block */  in rt_lwp_memheap_realloc()
483     RT_DEBUG_LOG(RT_DEBUG_MEMHEAP, ("free memory: memory[0x%08x], block[0x%08x]\n",  in rt_lwp_memheap_free()
489     /* check whether this block of memory has been over-written. */  in rt_lwp_memheap_free()
504     /* Mark the memory as available. */  in rt_lwp_memheap_free()