diff --git a/src/runtime-rs/Makefile b/src/runtime-rs/Makefile
index 23e73d2725..efa6c0eaf4 100644
--- a/src/runtime-rs/Makefile
+++ b/src/runtime-rs/Makefile
@@ -129,6 +129,9 @@ PKGLIBEXECDIR := $(LIBEXECDIR)/$(PROJECT_DIR)
 FIRMWAREPATH :=
 FIRMWAREVOLUMEPATH :=
 
+ROOTMEASURECONFIG ?= ""
+KERNELTDXPARAMS += $(ROOTMEASURECONFIG)
+
 # SEV-SNP
 FIRMWARE_SNP_PATH := $(PREFIXDEPS)/share/ovmf/AMDSEV.fd
 FIRMWARE_VOLUME_SNP_PATH :=
@@ -552,6 +555,7 @@ USER_VARS += QEMUTDXQUOTEGENERATIONSERVICESOCKETPORT
 USER_VARS += DEFCREATECONTAINERTIMEOUT
 USER_VARS += FIRMWARE_SNP_PATH
 USER_VARS += FIRMWARE_VOLUME_SNP_PATH
+USER_VARS += KERNELTDXPARAMS
 
 SOURCES := \
   $(shell find . 2>&1 | grep -E '.*\.rs$$') \