diff --git a/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-devtools/gem5/gem5-aarch64-native_20.bbappend b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-devtools/gem5/gem5-aarch64-native_20.bbappend
new file mode 100644
index 00000000..71b308a2
--- /dev/null
+++ b/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-devtools/gem5/gem5-aarch64-native_20.bbappend
@@ -0,0 +1,7 @@
+# When booting gem5-arm64 with Xen we need to set the cpu as Cortex A53 and
+# remove support for pointer authentification
+GEM5_RUN_EXTRA_append = " \
+${@bb.utils.contains('DISTRO_FEATURES_NATIVE', 'arm-autonomy-host', \
+'--param=system.cpu_cluster[0].cpus[0].isa[0].midr=0x410fd030 \
+--param=system.cpu_cluster[0].cpus[0].isa[0].id_aa64isar1_el1=0x0', \
+'', d)}"