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-rw-r--r--tftf/tests/extensions/ecv/test_ecv.c27
-rw-r--r--tftf/tests/tests-cpu-extensions.mk1
-rw-r--r--tftf/tests/tests-cpu-extensions.xml1
3 files changed, 29 insertions, 0 deletions
diff --git a/tftf/tests/extensions/ecv/test_ecv.c b/tftf/tests/extensions/ecv/test_ecv.c
new file mode 100644
index 000000000..463353b6e
--- /dev/null
+++ b/tftf/tests/extensions/ecv/test_ecv.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <test_helpers.h>
+#include <tftf.h>
+#include <tftf_lib.h>
+#include <string.h>
+
+/*
+ * TF-A is expected to allow access to CNTPOFF_EL2 register from EL2.
+ * Reading this register will trap to EL3 and crash when TF-A has not
+ * allowed access.
+ */
+test_result_t test_ecv_enabled(void)
+{
+ SKIP_TEST_IF_AARCH32();
+
+#ifdef __aarch64__
+ SKIP_TEST_IF_ECV_NOT_SELF_SYNC();
+ read_cntpoff_el2();
+
+ return TEST_RESULT_SUCCESS;
+#endif /* __aarch64__ */
+}
diff --git a/tftf/tests/tests-cpu-extensions.mk b/tftf/tests/tests-cpu-extensions.mk
index c57390052..fedf7837d 100644
--- a/tftf/tests/tests-cpu-extensions.mk
+++ b/tftf/tests/tests-cpu-extensions.mk
@@ -10,6 +10,7 @@ TESTS_SOURCES += $(addprefix tftf/tests/, \
extensions/sve/sve_operations.S \
extensions/sve/test_sve.c \
extensions/fgt/test_fgt.c \
+ extensions/ecv/test_ecv.c \
runtime_services/arm_arch_svc/smccc_arch_workaround_1.c \
runtime_services/arm_arch_svc/smccc_arch_workaround_2.c \
runtime_services/arm_arch_svc/smccc_arch_soc_id.c \
diff --git a/tftf/tests/tests-cpu-extensions.xml b/tftf/tests/tests-cpu-extensions.xml
index 8b06b5755..08a65c7fc 100644
--- a/tftf/tests/tests-cpu-extensions.xml
+++ b/tftf/tests/tests-cpu-extensions.xml
@@ -19,6 +19,7 @@
<testcase name="Use MTE Instructions" function="test_mte_instructions" />
<testcase name="Check for MTE register leakage" function="test_mte_leakage" />
<testcase name="Use FGT Registers" function="test_fgt_enabled" />
+ <testcase name="Use ECV Registers" function="test_ecv_enabled" />
</testsuite>
<testsuite name="ARM_ARCH_SVC" description="Arm Architecture Service tests">