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| author |   Catalin Marinas <catalin.marinas@arm.com> | 2023-10-26 17:10:01 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-10-26 17:10:01 +0100 |
| commit | 2a3f8ce3bb2fca943e6b3225f796ce06c29621fd (patch) | |
| tree | 81ab115de247a12ee493f1924ac69cccb3a40936 /tools/testing/selftests/arm64 | |
| parent | Merge branches 'for-next/sve-remove-pseudo-regs', 'for-next/backtrace-ipi', 'for-next/kselftest', 'for-next/misc' and 'for-next/cpufeat-display-cores', remote-tracking branch 'arm64/for-next/perf' into for-next/core (diff) | |
| parent | kselftest/arm64: Verify HWCAP2_SVE_B16B16 (diff) | |
| download | wireguard-linux-2a3f8ce3bb2fca943e6b3225f796ce06c29621fd.tar.xz wireguard-linux-2a3f8ce3bb2fca943e6b3225f796ce06c29621fd.zip | |
Merge branch 'for-next/feat_sve_b16b16' into for-next/core
* for-next/feat_sve_b16b16:
: Add support for FEAT_SVE_B16B16 (BFloat16)
kselftest/arm64: Verify HWCAP2_SVE_B16B16
arm64/sve: Report FEAT_SVE_B16B16 to userspace
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 e3d262831d91..d8a144213d04 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -226,6 +226,12 @@ static void sveaes_sigill(void) asm volatile(".inst 0x4522e400" : : : "z0"); } +static void sveb16b16_sigill(void) +{ + /* BFADD ZA.H[W0, 0], {Z0.H-Z1.H} */ + asm volatile(".inst 0xC1E41C00" : : : ); +} + static void svepmull_sigill(void) { /* PMULLB Z0.Q, Z0.D, Z0.D */ @@ -494,6 +500,13 @@ static const struct hwcap_data { .sigill_fn = sveaes_sigill, }, { + .name = "SVE2 B16B16", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SVE_B16B16, + .cpuinfo = "sveb16b16", + .sigill_fn = sveb16b16_sigill, + }, + { .name = "SVE2 PMULL", .at_hwcap = AT_HWCAP2, .hwcap_bit = HWCAP2_SVEPMULL, |