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-rw-r--r--tools/testing/selftests/arm64/abi/hwcap.c21
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,