diff options
-rw-r--r-- | tools/testing/selftests/arm64/abi/hwcap.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index a60f23794944..1189e77c8152 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -81,6 +81,20 @@ static void lrcpc_sigill(void) asm volatile(".inst 0xb8bfc3e0" : : : ); } +static void lse128_sigill(void) +{ + u64 __attribute__ ((aligned (16))) mem[2] = { 10, 20 }; + register u64 *memp asm ("x0") = mem; + register u64 val0 asm ("x1") = 5; + register u64 val1 asm ("x2") = 4; + + /* SWPP X1, X2, [X0] */ + asm volatile(".inst 0x19228001" + : "+r" (memp), "+r" (val0), "+r" (val1) + : + : "cc", "memory"); +} + static void mops_sigill(void) { char dst[1], src[1]; @@ -391,6 +405,13 @@ static const struct hwcap_data { .sigbus_reliable = true, }, { + .name = "LSE128", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_LSE128, + .cpuinfo = "lse128", + .sigill_fn = lse128_sigill, + }, + { .name = "MOPS", .at_hwcap = AT_HWCAP2, .hwcap_bit = HWCAP2_MOPS, |