diff options
| -rw-r--r-- | tools/testing/selftests/arm64/abi/hwcap.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index f2d6007a2b98..1f07772ae578 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] */ @@ -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, |