Category: Arium Probes | SourcePoint™

This article describes using JTAG in combination with Intel Trace features, specifically Last Branch Record (LBR) trace, to research the internals of System Management Mode (SMM).
In part 1 of my explorations into Hypervisor-Managed Linear Address Translation (HLAT), I installed a Canary build on my AAEON UP Xtreme i12 Alder Lake board, and booted to the Windows desktop to see the VMCS field indicating that HLAT was enabled. This time, I isolated some of the code that actually turns it on.
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