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

Message ID 20230808061356.2215158-1-zengheng4@huawei.com (mailing list archive)
State New
Headers show
Series [1/5] kselftest/arm64: add float-point feature to hwcap test | expand

Commit Message

Zeng Heng Aug. 8, 2023, 6:13 a.m. UTC 
Add the FP feature check in the set of hwcap tests.

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

Patch

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,