[PATCH 1/5] kselftest/arm64: add float-point feature to hwcap test

[Zeng Heng]

Add the FP feature check in the set of hwcap tests.

Signed-off-by: Zeng Heng <zengheng4 at huawei.com>
---
 tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
index 6a0adf916028..eaf9881c2e43 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -39,6 +39,12 @@ static void cssc_sigill(void)
 	asm volatile(".inst 0xdac01c00" : : : "x0");
 }
 
+static void fp_sigill(void)
+{
+	/* FMOV	S0, #1 */
+	asm volatile(".inst 0x1e2e1000" : : : );
+}
+
 static void ilrcpc_sigill(void)
 {
 	/* LDAPUR W0, [SP, #8] */
@@ -235,6 +241,13 @@ static const struct hwcap_data {
 		.cpuinfo = "cssc",
 		.sigill_fn = cssc_sigill,
 	},
+	{
+		.name = "FP",
+		.at_hwcap = AT_HWCAP,
+		.hwcap_bit = HWCAP_FP,
+		.cpuinfo = "fp",
+		.sigill_fn = fp_sigill,
+	},
 	{
 		.name = "LRCPC",
 		.at_hwcap = AT_HWCAP,
-- 
2.25.1