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authorZeng Heng <zengheng4@huawei.com>2023-08-15 12:09:13 +0800
committerWill Deacon <will@kernel.org>2023-08-16 15:24:01 +0100
commit3fc3c0d1246cfe440d9c44f2134fde432b311ab3 (patch)
treeb3fad0f49d4ec4ceebfefe0be762e83a7c36b194
parent7eb4ee66739ea187d3855f6dbf2ab48a512b4ae0 (diff)
kselftest/arm64: add AES feature check to hwcap test
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> Link: https://lore.kernel.org/r/20230815040915.3966955-3-zengheng4@huawei.com Signed-off-by: Will Deacon <will@kernel.org>
-rw-r--r--tools/testing/selftests/arm64/abi/hwcap.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
index 83d3b6dcc0d8..96c2611f1ac0 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] */
@@ -274,6 +280,13 @@ static const struct hwcap_data {
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,
.hwcap_bit = HWCAP_CRC32,