diff options
author | Jimmy Brisson <jimmy.brisson@arm.com> | 2020-04-16 10:54:51 -0500 |
---|---|---|
committer | Jimmy Brisson <jimmy.brisson@arm.com> | 2020-05-29 14:19:14 -0500 |
commit | 90f1d5caed95873e02071ef040191de52ee84a52 (patch) | |
tree | d1b7fb445f987d6f7ff226e9dd49b14c507fe8bf /tftf | |
parent | 5da6f402dcc85a9a281eb93dc00d5af2eeabf3b0 (diff) |
Test that TF-A supports ARMv8.6-FGT
Note: This test will cause an unhandled exception in the case that TF-A
is not doing its job and enabling ARMv8.6-FGT when the hardware supports
it.
Change-Id: Iae0fe39895909248b5e7b07a1a73f7702adce7dd
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
Diffstat (limited to 'tftf')
-rw-r--r-- | tftf/tests/extensions/fgt/test_fgt.c | 32 | ||||
-rw-r--r-- | tftf/tests/tests-cpu-extensions.mk | 1 | ||||
-rw-r--r-- | tftf/tests/tests-cpu-extensions.xml | 1 |
3 files changed, 34 insertions, 0 deletions
diff --git a/tftf/tests/extensions/fgt/test_fgt.c b/tftf/tests/extensions/fgt/test_fgt.c new file mode 100644 index 0000000..6213d4b --- /dev/null +++ b/tftf/tests/extensions/fgt/test_fgt.c @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2020, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <test_helpers.h> +#include <tftf_lib.h> +#include <tftf.h> +#include <string.h> +#include <arch_helpers.h> + +/* + * TF-A is expected to allow access to ARMv8.6-FGT system registers from EL2. + * Reading these registers causes a trap to EL3 and crash when TF-A has not + * allowed access. + */ +test_result_t test_fgt_enabled(void) +{ + SKIP_TEST_IF_AARCH32(); + +#ifdef __aarch64__ + SKIP_TEST_IF_FGT_NOT_SUPPORTED(); + read_hfgrtr_el2(); + read_hfgwtr_el2(); + read_hfgitr_el2(); + read_hdfgrtr_el2(); + read_hdfgwtr_el2(); + + return TEST_RESULT_SUCCESS; +#endif /* __aarch64__ */ +} diff --git a/tftf/tests/tests-cpu-extensions.mk b/tftf/tests/tests-cpu-extensions.mk index 1b7743e..c573900 100644 --- a/tftf/tests/tests-cpu-extensions.mk +++ b/tftf/tests/tests-cpu-extensions.mk @@ -9,6 +9,7 @@ TESTS_SOURCES += $(addprefix tftf/tests/, \ extensions/mte/test_mte.c \ extensions/sve/sve_operations.S \ extensions/sve/test_sve.c \ + extensions/fgt/test_fgt.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 aff6b61..8b06b57 100644 --- a/tftf/tests/tests-cpu-extensions.xml +++ b/tftf/tests/tests-cpu-extensions.xml @@ -18,6 +18,7 @@ <testcase name="Check for Pointer Authentication key leakage from TSP" function="test_pauth_leakage_tsp" /> <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" /> </testsuite> <testsuite name="ARM_ARCH_SVC" description="Arm Architecture Service tests"> |