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| author | Zeng Heng <zengheng4@huawei.com> | 2023-08-15 12:09:15 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-08-16 15:24:01 +0100 |
| commit | fcb0b51a5dca1f69f408dfe5fd970cf167d41538 (patch) | |
| tree | baa84c38a723c88b32ed74c0836ebad863780a83 | |
| parent | 2c3ce0e7dd5154ffa017cd4dab3b14c09272c4a5 (diff) | |
| download | lwn-fcb0b51a5dca1f69f408dfe5fd970cf167d41538.tar.gz lwn-fcb0b51a5dca1f69f408dfe5fd970cf167d41538.zip | |
kselftest/arm64: add jscvt feature to hwcap test
Add the jscvt feature check in the set of hwcap tests.
Due to the requirement of jscvt feature, a compiler configuration
of v8.3 or above is needed to support assembly. Therefore, hand
encode is used here instead.
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815040915.3966955-5-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
| -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 b3492a944503..fe844b825a1e 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -68,6 +68,12 @@ static void ilrcpc_sigill(void) asm volatile(".inst 0x994083e0" : : : ); } +static void jscvt_sigill(void) +{ + /* FJCVTZS W0, D0 */ + asm volatile(".inst 0x1e7e0000" : : : ); +} + static void lrcpc_sigill(void) { /* LDAPR W0, [SP, #0] */ @@ -314,6 +320,13 @@ static const struct hwcap_data { .sigill_fn = fp_sigill, }, { + .name = "JSCVT", + .at_hwcap = AT_HWCAP, + .hwcap_bit = HWCAP_JSCVT, + .cpuinfo = "jscvt", + .sigill_fn = jscvt_sigill, + }, + { .name = "LRCPC", .at_hwcap = AT_HWCAP, .hwcap_bit = HWCAP_LRCPC, |