diff options
| author | Zeng Heng <zengheng4@huawei.com> | 2023-08-15 12:09:14 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-08-16 15:24:01 +0100 |
| commit | 2c3ce0e7dd5154ffa017cd4dab3b14c09272c4a5 (patch) | |
| tree | 16ac247d4d2573c8bbaff1985cbdcd3edef7b7fd /tools/testing/selftests/arm64 | |
| parent | 3fc3c0d1246cfe440d9c44f2134fde432b311ab3 (diff) | |
kselftest/arm64: add pmull feature to hwcap test
Add the pmull 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/20230815040915.3966955-4-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/testing/selftests/arm64')
| -rw-r--r-- | tools/testing/selftests/arm64/abi/hwcap.c | 13 |
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 96c2611f1ac0..b3492a944503 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"); @@ -346,6 +352,13 @@ static const struct hwcap_data { .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, .hwcap_bit = HWCAP2_RNG, |