C++ (Cpp) NorFlashPlatformGetDevicesの例

コード例 #1

ファイル: NorFlashDxe.c プロジェクト: Cutty/edk2

EFI_STATUS
EFIAPI
NorFlashInitialise (
    IN EFI_HANDLE         ImageHandle,
    IN EFI_SYSTEM_TABLE   *SystemTable
)
{
    EFI_STATUS              Status;
    UINT32                  Index;
    NOR_FLASH_DESCRIPTION*  NorFlashDevices;
    UINT32                  NorFlashDeviceCount;
    BOOLEAN                 ContainVariableStorage;

    Status = NorFlashPlatformInitialization ();
    if (EFI_ERROR(Status)) {
        DEBUG((EFI_D_ERROR,"NorFlashInitialise: Fail to initialize Nor Flash devices\n"));
        return Status;
    }

    Status = NorFlashPlatformGetDevices (&NorFlashDevices,&NorFlashDeviceCount);
    if (EFI_ERROR(Status)) {
        DEBUG((EFI_D_ERROR,"NorFlashInitialise: Fail to get Nor Flash devices\n"));
        return Status;
    }

    mNorFlashInstances = AllocatePool (sizeof(NOR_FLASH_INSTANCE*) * NorFlashDeviceCount);

    for (Index = 0; Index < NorFlashDeviceCount; Index++) {
        // Check if this NOR Flash device contain the variable storage region
        ContainVariableStorage =
            (NorFlashDevices[Index].RegionBaseAddress <= PcdGet32 (PcdFlashNvStorageVariableBase)) &&
            (PcdGet32 (PcdFlashNvStorageVariableBase) + PcdGet32 (PcdFlashNvStorageVariableSize) <= NorFlashDevices[Index].RegionBaseAddress + NorFlashDevices[Index].Size);

        Status = NorFlashCreateInstance (
                     NorFlashDevices[Index].DeviceBaseAddress,
                     NorFlashDevices[Index].RegionBaseAddress,
                     NorFlashDevices[Index].Size,
                     Index,
                     NorFlashDevices[Index].BlockSize,
                     ContainVariableStorage,
                     &NorFlashDevices[Index].Guid,
                     &mNorFlashInstances[Index]
                 );
        if (EFI_ERROR(Status)) {
            DEBUG((EFI_D_ERROR,"NorFlashInitialise: Fail to create instance for NorFlash[%d]\n",Index));
        }
    }

    return Status;
}

コード例 #2

ファイル: NorFlashDxe.c プロジェクト: jian-tian/UEFI

EFI_STATUS
EFIAPI
NorFlashInitialise (
  IN EFI_HANDLE         ImageHandle,
  IN EFI_SYSTEM_TABLE   *SystemTable
  )
{
  EFI_STATUS              Status;
  UINT32                  Index;
  NOR_FLASH_DESCRIPTION*  NorFlashDevices;
  BOOLEAN                 ContainVariableStorage;

  Status = NorFlashPlatformInitialization ();
  if (EFI_ERROR(Status)) {
    DEBUG((EFI_D_ERROR,"NorFlashInitialise: Fail to initialize Nor Flash devices\n"));
    return Status;
  }

  Status = NorFlashPlatformGetDevices (&NorFlashDevices, &mNorFlashDeviceCount);
  if (EFI_ERROR(Status)) {
    DEBUG((EFI_D_ERROR,"NorFlashInitialise: Fail to get Nor Flash devices\n"));
    return Status;
  }

  mNorFlashInstances = AllocateRuntimePool (sizeof(NOR_FLASH_INSTANCE*) * mNorFlashDeviceCount);

  for (Index = 0; Index < mNorFlashDeviceCount; Index++) {
    // Check if this NOR Flash device contain the variable storage region
    ContainVariableStorage =
        (NorFlashDevices[Index].RegionBaseAddress <= PcdGet32 (PcdFlashNvStorageVariableBase)) &&
        (PcdGet32 (PcdFlashNvStorageVariableBase) + PcdGet32 (PcdFlashNvStorageVariableSize) <= NorFlashDevices[Index].RegionBaseAddress + NorFlashDevices[Index].Size);

    Status = NorFlashCreateInstance (
      NorFlashDevices[Index].DeviceBaseAddress,
      NorFlashDevices[Index].RegionBaseAddress,
      NorFlashDevices[Index].Size,
      Index,
      NorFlashDevices[Index].BlockSize,
      ContainVariableStorage,
      &NorFlashDevices[Index].Guid,
      &mNorFlashInstances[Index]
    );
    if (EFI_ERROR(Status)) {
      DEBUG((EFI_D_ERROR,"NorFlashInitialise: Fail to create instance for NorFlash[%d]\n",Index));
    }
  }

  //
  // Register for the virtual address change event
  //
  Status = gBS->CreateEventEx (
                  EVT_NOTIFY_SIGNAL,
                  TPL_NOTIFY,
                  NorFlashVirtualNotifyEvent,
                  NULL,
                  &gEfiEventVirtualAddressChangeGuid,
                  &mNorFlashVirtualAddrChangeEvent
                  );
  ASSERT_EFI_ERROR (Status);

  return Status;
}