Re: Windows on ARM64 not able to use attached TPM 2

[Eric Auger]

and also adding Ard if he is aware of any limitation the TPM2
integration may suffer for Windows support. On my end I am only able to
test on Linux atm.

Thanks

Eric

On 8/2/21 11:04 AM, Philippe Mathieu-Daudé wrote:
> Cc'ing Marc-André who is your EDK2 co-maintainer.
>
> On 8/1/21 2:28 AM, Stefan Berger wrote:
>> Hello!
>>
>>  I maintain the TPM support in QEMU and the TPM emulator (swtpm). I have
>> a report from a user who would like to use QEMU on ARM64 (aarch64) with
>> EDK2 and use an attached TPM 2 but it doesn't seem to work for him. We
>> know that Windows on x86_64 works with EDK2 and can use an attached TPM
>> 2 (using swtpm). I don't have an aarch64 host myself nor a Microsoft
>> account to be able to access the Windows ARM64 version, so maybe someone
>> here has the necessary background, credentials, and hardware to run QEMU
>> on using kvm to investigate what the problems may be due to on that
>> platform.
>>
>> https://github.com/stefanberger/swtpm/issues/493
>>
>> On Linux it seems to access the TPM emulator with the normal tpm_tis
>> driver.
>>
>> Regards,
>>
>>    Stefan
>>
>>
>>