On Mon, Nov 10, 2025 at 03:20:13PM -0600, Tom Lendacky wrote: > What is occurring is ValidateFvHeader() is supplied the address from > PcdOvmfFlashNvStorageVariableBase, which is an MMIO address. A #VC is > generated when the code accesses this memory. However, the memory is > accessed with a CMP instruction, which is an unsupported MMIO > instruction, resulting in the assert.
Thanks for the analysis. Does this help? https://github.com/tianocore/edk2/pull/11770 take care, Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#121685): https://edk2.groups.io/g/devel/message/121685 Mute This Topic: https://groups.io/mt/115616009/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
