commit 6ecfda52fcbbb8f2daa9bc2023617b7cb93aaf63
author Dimitris Papastamos <dimitris.papastamos@arm.com> Wed Feb 27 11:46:48 2019 +0000
committer Dimitris Papastamos <dimitris.papastamos@arm.com> Mon Mar 04 13:12:17 2019 +0000
tree a97a63d7e5ea4c088487b9f027fa2d44528233d1
parent c9aa2786f350dfe5be9fa1329dbeea70395d79f6

Ensure proper ID register is checked for feature detection

SSBS support is determined by checking ID_AA64PFR1_EL1 and not
ID_AA64PFR0_EL1.

Fixes ARM-Software/tf-issues#679

Change-Id: I8ecba13b850995ec6a6ede3c2a1e02e69a3a95db
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>

include/arch/aarch64/arch_helpers.h

diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index 836d61e..2fce668 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -208,6 +208,7 @@
 DEFINE_SYSREG_READ_FUNC(id_pfr1_el1)
 DEFINE_SYSREG_READ_FUNC(id_aa64isar1_el1)
 DEFINE_SYSREG_READ_FUNC(id_aa64pfr0_el1)
+DEFINE_SYSREG_READ_FUNC(id_aa64pfr1_el1)
 DEFINE_SYSREG_READ_FUNC(id_aa64dfr0_el1)
 DEFINE_SYSREG_READ_FUNC(id_afr0_el1)
 DEFINE_SYSREG_READ_FUNC(CurrentEl)