diff options
Diffstat (limited to 'tools/testing/selftests/arm64')
| -rw-r--r-- | tools/testing/selftests/arm64/abi/hwcap.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index 69234a8e8c59..112b6a219382 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -34,6 +34,12 @@ */ typedef void (*sig_fn)(void); +static void atomics_sigill(void) +{ + /* STADD W0, [SP] */ + asm volatile(".inst 0xb82003ff" : : : ); +} + static void crc32_sigill(void) { asm volatile("crc32w w0, w0, w1"); @@ -231,6 +237,14 @@ static void svebf16_sigill(void) asm volatile(".inst 0x658aa000" : : : "z0"); } +static void uscat_sigbus(void) +{ + /* unaligned atomic access */ + asm volatile("ADD x1, sp, #2" : : : ); + /* STADD W0, [X1] */ + asm volatile(".inst 0xb820003f" : : : ); +} + static const struct hwcap_data { const char *name; unsigned long at_hwcap; @@ -277,6 +291,22 @@ static const struct hwcap_data { .sigill_fn = ilrcpc_sigill, }, { + .name = "LSE", + .at_hwcap = AT_HWCAP, + .hwcap_bit = HWCAP_ATOMICS, + .cpuinfo = "atomics", + .sigill_fn = atomics_sigill, + }, + { + .name = "LSE2", + .at_hwcap = AT_HWCAP, + .hwcap_bit = HWCAP_USCAT, + .cpuinfo = "uscat", + .sigill_fn = atomics_sigill, + .sigbus_fn = uscat_sigbus, + .sigbus_reliable = true, + }, + { .name = "MOPS", .at_hwcap = AT_HWCAP2, .hwcap_bit = HWCAP2_MOPS, |