Ejemplo n.º 1
0
u8* bsp_memory_alloc(u32 u32PoolType, u32 u32Size)
{
    u32 cnt;
    void *pItem;
    MEM_ALLOC_INFO* pAllocInfo = MEM_GET_ALLOC_INFO(u32PoolType);
    u32 u32MostUsedItem = pAllocInfo->mostUsedItem;

    /* 先查找AllocList中是否有可用的内存节点 */
    MEM_FIND_RIGHT_ITEM(cnt, u32Size, u32MostUsedItem);

    /* 如果没有找到则直接返回失败 */
    if (cnt >= MEM_ALLOC_LIST_NUM)
    {
        printk(
                  "Invalid malloc size:%d, line:%d\n", u32Size, __LINE__);
        return NULL;
    }


    /* 更新size为列表中的size */
    u32Size = MEM_GET_ALLOC_SIZE(cnt);
    /*lint -save -e718 -e746*/
    MEM_LOCK_BY_TYPE(u32PoolType);
    /*lint -restore*/
    pItem = bsp_get_item(pAllocInfo, cnt, u32PoolType, u32Size);

    if (NULL != pItem)
    {
#ifdef __BSP_MEM_DEBUG__
        pAllocInfo->allocUsedInfoList[cnt].u32CurNum++;
        pAllocInfo->allocUsedInfoList[cnt].u32TotalMallocNum++;

        if (pAllocInfo->allocUsedInfoList[cnt].u32CurNum >
            pAllocInfo->allocUsedInfoList[cnt].u32MaxNum)
        {
            pAllocInfo->allocUsedInfoList[cnt].u32MaxNum =
                pAllocInfo->allocUsedInfoList[cnt].u32CurNum;
        }
        MEM_ITEM_STATUS(pItem) = MEM_ALLOC;
#endif
        /* 多核要 Flush Cache, 确保管理信息写入 */
        MEM_FLUSH_CACHE_BY_TYPE(MEM_GET_ALLOC_ADDR(pItem), MEM_MGR_SIZE_FOR_CACHE, u32PoolType);
    }

    MEM_UNLOCK_BY_TYPE(u32PoolType);

    return pItem;
}
Ejemplo n.º 2
0
void bsp_memory_free(u32 u32PoolType, void* pMem, u32 u32Size)
{

    u32 cnt;
    u32 u32MostUsedItem;

    MEM_ALLOC_INFO* pAllocInfo = MEM_GET_ALLOC_INFO(u32PoolType);

    u32MostUsedItem = pAllocInfo->mostUsedItem;
    /* 先查找AllocList中是否有可用的内存节点 */
    MEM_FIND_RIGHT_ITEM(cnt, u32Size, u32MostUsedItem);
#ifdef __BSP_MEM_DEBUG__
    /* 判断该节点是否有效 */
    if (cnt >= MEM_ALLOC_LIST_NUM)
    {
        printk("bsp_pool_alloc Fail, size:%d, line:%d\n", u32Size, __LINE__);
        return;
    }
#endif

    MEM_LOCK_BY_TYPE(u32PoolType);

    /* 将item挂回到链表 */
    if (MEM_ICC_AXI_POOL == u32PoolType)
    {
        MEM_ITEM_NEXT(pMem) = (u32)(pAllocInfo->allocList[cnt]);
        pAllocInfo->allocList[cnt] = (void*)(DRV_AXI_VIRT_TO_PHY((u32)pMem));
    }
    else if (MEM_ICC_DDR_POOL == u32PoolType)
    {
        MEM_ITEM_NEXT(pMem) = (u32)(pAllocInfo->allocList[cnt]);
        pAllocInfo->allocList[cnt] = (void *)SHD_DDR_V2P((u32)pMem);
    }

#ifdef __BSP_MEM_DEBUG__
    pAllocInfo->allocUsedInfoList[cnt].u32CurNum--;
    pAllocInfo->allocUsedInfoList[cnt].u32TotalFreeNum++;
    MEM_ITEM_STATUS(pMem) = MEM_FREE;
#endif
    /* Flush Cache */
    MEM_FLUSH_CACHE_BY_TYPE(MEM_GET_ALLOC_ADDR(pMem), MEM_MGR_SIZE_FOR_CACHE, u32PoolType);

    MEM_UNLOCK_BY_TYPE(u32PoolType);
    return;
}
STATIC void bsp_memory_free(u32 u32PoolType, void* pMem, u32 u32Size)
{
    u32 cnt;
    u32 u32MostUsedItem;
    MEM_ALLOC_INFO* pAllocInfo = MEM_GET_ALLOC_INFO(u32PoolType);

    u32MostUsedItem = pAllocInfo->mostUsedItem;
    /* 先查找AllocList中是否有可用的内存节点 */
    MEM_FIND_RIGHT_ITEM(cnt, u32Size, u32MostUsedItem);
#ifdef __BSP_MEM_DEBUG__
    /* 判断该节点是否有效 */
    if (cnt >= MEM_ALLOC_LIST_NUM)
    {
        bsp_trace(BSP_LOG_LEVEL_ERROR, BSP_MODU_MEM,
                  "memPoolAlloc Fail, size:%d, line:%d\n", u32Size, __LINE__);
        return;
    }
#endif

    MEM_LOCK_BY_TYPE(u32PoolType);/*lint !e713*/

    /* 将item挂回到链表 */
    MEM_ITEM_NEXT(pMem) = (u32)pAllocInfo->allocList[cnt];
    pAllocInfo->allocList[cnt] = pMem;

#ifdef __BSP_MEM_DEBUG__
    pAllocInfo->allocUsedInfoList[cnt].u32CurNum--;
    pAllocInfo->allocUsedInfoList[cnt].u32TotalFreeNum++;
    MEM_ITEM_STATUS(pMem) = MEM_FREE;
#endif
    /* Flush Cache */
    MEM_FLUSH_CACHE_BY_TYPE(MEM_GET_ALLOC_ADDR(pMem), MEM_MGR_SIZE_FOR_CACHE, u32PoolType);

    MEM_UNLOCK_BY_TYPE(u32PoolType);
    return;
}