diff mbox series

[-next,v2,2/4] kselftest/arm64: add AES feature check to hwcap test

Message ID 20230815040915.3966955-3-zengheng4@huawei.com (mailing list archive)
State New, archived
Headers show
Series kselftest/arm64: Add crypto-related feature checks to hwcap test | expand

Commit Message

Zeng Heng Aug. 15, 2023, 4:09 a.m. UTC 
Add the AES feature check in the set of hwcap tests.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
---
 tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

--
2.25.1
diff mbox series

Patch

diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
index c87a2e167ee8..d9a49b1467ac 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -34,6 +34,12 @@ 
  */
 typedef void (*sig_fn)(void);

+static void aes_sigill(void)
+{
+	/* AESE V0.16B, V0.16B */
+	asm volatile(".inst 0x4e284800" : : : );
+}
+
 static void atomics_sigill(void)
 {
 	/* STADD W0, [SP] */
@@ -280,6 +286,13 @@  static const struct hwcap_data {
 	sig_fn sigbus_fn;
 	bool sigbus_reliable;
 } hwcaps[] = {
+	{
+		.name = "AES",
+		.at_hwcap = AT_HWCAP,
+		.hwcap_bit = HWCAP_AES,
+		.cpuinfo = "aes",
+		.sigill_fn = aes_sigill,
+	},
 	{
 		.name = "CRC32",
 		.at_hwcap = AT_HWCAP,