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authorTobias Fleig <tfleig@meta.com>2024-10-08 16:54:43 +0200
committerLuca Boccassi <luca.boccassi@gmail.com>2024-10-09 15:06:10 +0200
commit2ea0487c1be4203ba3664d249418317846f55c1a (patch)
tree5105efa124f7fd0fa67fe4e9e397fa5ac4633e73 /docs
parentMerge pull request #34679 from DaanDeMeyer/bus-log (diff)
downloadsystemd-2ea0487c1be4203ba3664d249418317846f55c1a.tar.xz
systemd-2ea0487c1be4203ba3664d249418317846f55c1a.zip
stub: Add support for .initrd addon files
Teaches systemd-stub how to load additional initrds from addon files. This is very similar to the support for .ucode sections in addon files, but with different ordering. Initrds from addons have a chance to overwrite files from the base initrd in the UKI.
Diffstat (limited to 'docs')
-rw-r--r--docs/TPM2_PCR_MEASUREMENTS.md10
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/TPM2_PCR_MEASUREMENTS.md b/docs/TPM2_PCR_MEASUREMENTS.md
index 81c8aaa156..daee33980b 100644
--- a/docs/TPM2_PCR_MEASUREMENTS.md
+++ b/docs/TPM2_PCR_MEASUREMENTS.md
@@ -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`, "Initrd addons"
+
+Initrd addons are measured individually as a tagged event.
+
+→ **Event Tag** `0x49dffe0f`
+
+→ **Description** the addon filename.
+
+→ **Measured hash** covers the contents of the initrd.
+
### PCR 12, `EV_EVENT_TAG`, "Ucode addons"
Ucode addons are measured individually as a tagged event.