[PATCH v1 6/6] kselftest/arm64: Add SVE 2.1 to hwcap test
Mark Brown
broonie at kernel.org
Mon Oct 17 08:25:20 PDT 2022
Add coverage for FEAT_SVE2p1.
Signed-off-by: Mark Brown <broonie at kernel.org>
---
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 30f87dfd634e..9f255bc5f31c 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -62,6 +62,12 @@ static void sve2_sigill(void)
asm volatile(".inst 0x4408A000" : : : "z0");
}
+static void sve2p1_sigill(void)
+{
+ /* BFADD Z0.H, Z0.H, Z0.H */
+ asm volatile(".inst 0x65000000" : : : "z0");
+}
+
static void sveaes_sigill(void)
{
/* AESD z0.b, z0.b, z0.b */
@@ -167,6 +173,13 @@ static const struct hwcap_data {
.cpuinfo = "sve2",
.sigill_fn = sve2_sigill,
},
+ {
+ .name = "SVE 2.1",
+ .at_hwcap = AT_HWCAP2,
+ .hwcap_bit = HWCAP2_SVE2P1,
+ .cpuinfo = "sve2p1",
+ .sigill_fn = sve2p1_sigill,
+ },
{
.name = "SVE AES",
.at_hwcap = AT_HWCAP2,
--
2.30.2
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