Exemplos de find_leading_zero_and_setbit em C++ (Cpp)

Exemplo n.º 1

Arquivo: wlan_qct_wdi_bd.c Projeto: Abhinav1997/android_kernel_lge_msm8226

void *WDI_DS_MemPoolAlloc(WDI_DS_BdMemPoolType *memPool, void **pPhysAddress,
                               WDI_ResPoolType wdiResPool)
{
  wpt_uint32 index;
  void *pVirtAddress;
  wpt_uint32 maxNumPool;
  switch(wdiResPool)
  {
    case WDI_MGMT_POOL_ID:
      maxNumPool = WDI_DS_HI_PRI_RES_NUM;
      break;
    case WDI_DATA_POOL_ID:
       maxNumPool = WDI_DS_LO_PRI_RES_NUM;
      break;
    default:
      return NULL;
  }

  if(maxNumPool == memPool->numChunks)
  {
     return NULL;
  }
  //Find the leading 0 in the allocation bitmap

  if((index = find_leading_zero_and_setbit(memPool->AllocationBitmap, maxNumPool)) == -EPERM)
  {
     //DbgBreakPoint();
     DTI_TRACE(  DTI_TRACE_LEVEL_INFO, "WDI_DS_MemPoolAlloc: index:%d(NULL), numChunks:%d",
                  index, memPool->numChunks );
     return NULL;
  }
  memPool->numChunks++;
  // The first 8 bytes are reserved for internal use for control bits and hash.
  pVirtAddress  = (wpt_uint8 *)memPool->pVirtBaseAddress + (memPool->chunkSize * index) + 8;
  *pPhysAddress = (wpt_uint8 *)memPool->pPhysBaseAddress + (memPool->chunkSize * index) + 8;

  DTI_TRACE(  DTI_TRACE_LEVEL_INFO, "WDI_DS_MemPoolAlloc: index:%d, numChunks:%d", index, memPool->numChunks );

  return pVirtAddress;

}

Exemplo n.º 2

Arquivo: wlan_qct_wdi_bd.c Projeto: Alex-V2/One_M8_4.4.3_kernel

void *WDI_DS_MemPoolAlloc(WDI_DS_BdMemPoolType *memPool, void **pPhysAddress,
                               WDI_ResPoolType wdiResPool)
{
  wpt_uint32 index;
  void *pVirtAddress;
  wpt_uint32 maxNumPool;
  switch(wdiResPool)
  {
    case WDI_MGMT_POOL_ID:
      maxNumPool = WDI_DS_HI_PRI_RES_NUM;
      break;
    case WDI_DATA_POOL_ID:
       maxNumPool = WDI_DS_LO_PRI_RES_NUM;
      break;
    default:
      return NULL;
  }

  if(maxNumPool == memPool->numChunks)
  {
     return NULL;
  }
  

  if((index = find_leading_zero_and_setbit(memPool->AllocationBitmap, maxNumPool)) == -EPERM)
  {
     
     DTI_TRACE(  DTI_TRACE_LEVEL_INFO, "WDI_DS_MemPoolAlloc: index:%d(NULL), numChunks:%d",
                  index, memPool->numChunks );
     return NULL;
  }
  memPool->numChunks++;
  
  pVirtAddress  = (wpt_uint8 *)memPool->pVirtBaseAddress + (memPool->chunkSize * index) + 8;
  *pPhysAddress = (wpt_uint8 *)memPool->pPhysBaseAddress + (memPool->chunkSize * index) + 8;

  DTI_TRACE(  DTI_TRACE_LEVEL_INFO, "WDI_DS_MemPoolAlloc: index:%d, numChunks:%d", index, memPool->numChunks );

  return pVirtAddress;

}