Merge pull request #1867 from AlexeiFedorov/af/enable_ptrauth_warm_boot
BL31: Enable pointer authentication support in warm boot path
diff --git a/bl31/aarch64/bl31_entrypoint.S b/bl31/aarch64/bl31_entrypoint.S
index 8e9528b..065edff 100644
--- a/bl31/aarch64/bl31_entrypoint.S
+++ b/bl31/aarch64/bl31_entrypoint.S
@@ -201,6 +201,19 @@
#endif
bl bl31_plat_enable_mmu
+ /* --------------------------------------------------------------------
+ * Enable pointer authentication
+ * --------------------------------------------------------------------
+ */
+#if ENABLE_PAUTH
+ bl pauth_load_bl_apiakey
+
+ mrs x0, sctlr_el3
+ orr x0, x0, #SCTLR_EnIA_BIT
+ msr sctlr_el3, x0
+ isb
+#endif /* ENABLE_PAUTH */
+
bl psci_warmboot_entrypoint
#if ENABLE_RUNTIME_INSTRUMENTATION