On 04/26/19 19:02, Laszlo Ersek wrote:
> On 04/25/19 13:04, Ard Biesheuvel wrote:
>> On Thu, 25 Apr 2019 at 11:18, Marcin Wojtas <m...@semihalf.com> wrote:
>>>
>>> Some modules (such as FaultTolerantWriteDxe) use the FlashNvStorage
>>> PCDs (PcdFlashNvStorageFtw*). In case the flash contents are not
>>> mapped in memory, the module loading order of the FVB driver
>>> may become important.
>>>
>>> To handle above, this patch allows to hook the dependency of
>>> desired DXE_DRIVER type module in the .DSC file via
>>> NvVarStoreFormattedLib NULL resolution.
>>>
>>> Contributed-under: TianoCore Contribution Agreement 1.1
>>
>> This line is no longer required, so you can drop it in the future.
>>
>> Note that the licensing terms have changed accordingly: by
>> contributing patches under the new license terms, you are basically
>> granting the same IP rights you were granting before by adhering to
>> the TianoCore Contribution Agreement, so nothing has really changed.
>> However, it is your *own* responsibility to confirm that I am not
>> misrepresenting anything here, so please check the repository for the
>> license changes.
>>
>>> Signed-off-by: Marcin Wojtas <m...@semihalf.com>
>>
>> Reviewed-by: Ard Biesheuvel <ard.biesheu...@linaro.org>
>>
>> Pushed as b9d4847ec258..20029ca22baa
> 
> patch looks good to me as well, thanks

Hmm, don't know how I missed it, but the INF file still has:

  LIBRARY_CLASS                  = NvVarStoreFormattedLib|PEIM 
DXE_RUNTIME_DRIVER DXE_SMM_DRIVER

I don't understand why BaseTools don't catch that, when the lib instance is 
hooked into a DXE_DRIVER.

... Perhaps because the "hooking" uses the "NULL class", and the above 
restriction list only applies to the NvVarStoreFormattedLib class (which is 
ultimately never used)?

I'm not sure; still for consistency's sake, I think we should add DXE_DRIVER to 
LIBRARY_CLASS too.

Thanks
Laszlo

> 
>>
>> Thanks,
>>> ---
>>>  EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf | 4 
>>> ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git 
>>> a/EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf 
>>> b/EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf
>>> index fefc311..98a0049 100644
>>> --- a/EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf
>>> +++ b/EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf
>>> @@ -39,8 +39,8 @@
>>>  #
>>>  # The matching DEPEX section below will generate the EFI_SECTION_PEI_DEPEX,
>>>  # EFI_SECTION_DXE_DEPEX or EFI_SECTION_MM_DEPEX leaf section for the PEIM
>>> -# (EFI_FV_FILETYPE_PEIM), DXE_RUNTIME_DRIVER (EFI_FV_FILETYPE_DRIVER), or
>>> +# (EFI_FV_FILETYPE_PEIM), DXE_RUNTIME_DRIVER/DXE_DRIVER 
>>> (EFI_FV_FILETYPE_DRIVER), or
>>>  # DXE_SMM_DRIVER (EFI_FV_FILETYPE_MM) module, respectively.
>>>  #
>>> -[Depex.common.PEIM, Depex.common.DXE_RUNTIME_DRIVER, 
>>> Depex.common.DXE_SMM_DRIVER]
>>> +[Depex.common.PEIM, Depex.common.DXE_RUNTIME_DRIVER, 
>>> Depex.common.DXE_DRIVER, Depex.common.DXE_SMM_DRIVER]
>>>    gEdkiiNvVarStoreFormattedGuid
>>> --
>>> 2.7.4
>>>
> 


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