Re: [edk2-devel] [PATCH edk2-platforms v2] SbsaQemu: use FEAT_RNG for EFI_RNG_PROTOCOL

["Marcin Juszkiewicz" <marcin.juszkiewicz@linaro.org>]

Dnia czwartek, 4 lipca 2024 13:27:38 CEST Leif Lindholm pisze:
> > By default we have Neoverse-N2 cpu which supports FEAT_RNG feature. This
> > allows us to add RngDxe to have EFI_RNG_PROTOCOL available on
> > Neoverse-N2 and 'max' cpu cores.
> > 
> > Commit 5de5e230a80bed083360da95ba16a2c4a001620d (in EDK2) enabled that for
> > ArmVirt platform.
> > 
> > RNDR is implemented by both Neoverse-N2 and 'max' cpu implemented by QEMU.
> > Other cpu models lack it which prevents the RngDxe driver from running,
> > resulting in the same situation as before.
> > 
> > TRNG is not implemented in TCG mode but is required by RngDxe to run.
> > 
> > On older cpu cores nothing changes.
> > 
> > Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
> 
> Thanks!
> 
> Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
> With one niggle below:

Thanks. Fixed and pushed as 25d66c5b9e5cd672b6e2723d4308cd815639f880





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