stub: Add support for .ucode EFI addons

This extends #31872 to also load microcode from addon files.
2024-07-08 11:43:40 +02:00
parent cd8eb9605f
commit fc31d929c7
4 changed files with 144 additions and 53 deletions
@@ -120,6 +120,16 @@ Devicetree addons are measured individually as a tagged event.

 → **Measured hash** covers the content of the Devicetree.

+### PCR 12, `EV_EVENT_TAG`, "Ucode addons"
+
+Ucode addons are measured individually as a tagged event.
+
+→ **Event Tag** `0xdac08e1a`
+
+→ **Description** the addon filename.
+
+→ **Measured hash** covers the contents of the ucode initrd.
+
 ### PCR 12, `EV_IPL`, "Per-UKI Credentials initrd"

 → **Description** in the event log record is the constant string "Credentials