Add the pmull feature check in the set of hwcap tests.
Signed-off-by: Zeng Heng <zengheng4@xxxxxxxxxx>
Reviewed-by: Mark Brown <broonie@xxxxxxxxxx>
---
tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
index d9a49b1467ac..df7a62659aa2 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -88,6 +88,12 @@ static void mops_sigill(void)
: "cc", "memory");
}
+static void pmull_sigill(void)
+{
+ /* PMULL V0.1Q, V0.1D, V0.1D */
+ asm volatile(".inst 0x0ee0e000" : : : );
+}
+
static void rng_sigill(void)
{
asm volatile("mrs x0, S3_3_C2_C4_0" : : : "x0");
@@ -352,6 +358,13 @@ static const struct hwcap_data {
.sigill_fn = mops_sigill,
.sigill_reliable = true,
},
+ {
+ .name = "PMULL",
+ .at_hwcap = AT_HWCAP,
+ .hwcap_bit = HWCAP_PMULL,
+ .cpuinfo = "pmull",
+ .sigill_fn = pmull_sigill,
+ },
{
.name = "RNG",
.at_hwcap = AT_HWCAP2,
--
2.25.1
