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

[Philippe Mathieu-Daudé]

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
> 
> 
>