diff options
Diffstat (limited to 'tools/testing/selftests/arm64/abi/hwcap.c')
| -rw-r--r-- | tools/testing/selftests/arm64/abi/hwcap.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index f2d6007a2b98..0029ed9c5c9a 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -98,6 +98,17 @@ static void fpmr_sigill(void) asm volatile("mrs x0, S3_3_C4_C4_2" : : : "x0"); } +static void gcs_sigill(void) +{ + unsigned long *gcspr; + + asm volatile( + "mrs %0, S3_3_C2_C5_1" + : "=r" (gcspr) + : + : "cc"); +} + static void ilrcpc_sigill(void) { /* LDAPUR W0, [SP, #8] */ @@ -361,8 +372,8 @@ static void sveaes_sigill(void) static void sveb16b16_sigill(void) { - /* BFADD ZA.H[W0, 0], {Z0.H-Z1.H} */ - asm volatile(".inst 0xC1E41C00" : : : ); + /* BFADD Z0.H, Z0.H, Z0.H */ + asm volatile(".inst 0x65000000" : : : ); } static void svepmull_sigill(void) @@ -490,7 +501,7 @@ static const struct hwcap_data { .name = "F8DP2", .at_hwcap = AT_HWCAP2, .hwcap_bit = HWCAP2_F8DP2, - .cpuinfo = "f8dp4", + .cpuinfo = "f8dp2", .sigill_fn = f8dp2_sigill, }, { @@ -535,6 +546,14 @@ static const struct hwcap_data { .sigill_reliable = true, }, { + .name = "GCS", + .at_hwcap = AT_HWCAP, + .hwcap_bit = HWCAP_GCS, + .cpuinfo = "gcs", + .sigill_fn = gcs_sigill, + .sigill_reliable = true, + }, + { .name = "JSCVT", .at_hwcap = AT_HWCAP, .hwcap_bit = HWCAP_JSCVT, |