Ensure proper ID register is checked for feature detection

[project/bcm63xx/atf.git] / services / arm_arch_svc / arm_arch_svc_setup.c

diff --git a/services/arm_arch_svc/arm_arch_svc_setup.c b/services/arm_arch_svc/arm_arch_svc_setup.c
index dfbe02cd3c8b21811ffd80bfb39c2f7f6da9cc2c..1fc7827b4d8d07bf7cc1348be7e1179a09b96e98 100644 (file)
--- a/services/arm_arch_svc/arm_arch_svc_setup.c
+++ b/services/arm_arch_svc/arm_arch_svc_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -41,7 +41,7 @@ static int32_t smccc_arch_features(u_register_t arg)
                 * PE implements architectural Speculation Store Bypass Safe
                 * (SSBS) feature.
                 */
-               ssbs = (read_id_aa64pfr0_el1() >> ID_AA64PFR1_EL1_SSBS_SHIFT) &
+               ssbs = (read_id_aa64pfr1_el1() >> ID_AA64PFR1_EL1_SSBS_SHIFT) &
                        ID_AA64PFR1_EL1_SSBS_MASK;
 
                /*