Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: afba5358c816c88f2b202a45c31fe80e34dd9368
https://github.com/tianocore/edk2/commit/afba5358c816c88f2b202a45c31fe80e34dd9368
Author: Ard Biesheuvel <[email protected]>
Date: 2024-09-03 (Tue, 03 Sep 2024)
Changed paths:
M ArmVirtPkg/ArmVirt.dsc.inc
Log Message:
-----------
ArmVirtPkg: Resolve RngLib via RngDxe for TRNG support
Gerd reports that ArmVirtQemu running under KVM lost network boot
support on systems that do not implement the RNDR/RNDRRS system
registers, which provide an architectural, CPU-based source of random
numbers. Under KVM, the TRNG SMCCC is available as a fallback, which is
exposed via RngDxe but not via the base RngLib library. This means that
direct users of RngLib, such as OpensslLib, have no access to the TRNG
based entropy source.
Let's fix this by resolving RngLib dependencies for UEFI_DRIVER type
drivers via DxeRngLib, which uses the protocol exposed by RngDxe
internally.
Signed-off-by: Ard Biesheuvel <[email protected]>
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