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From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Shuah Khan <shuah@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH v1 6/6] kselftest/arm64: Add SVE 2.1 to hwcap test
Date: Mon, 17 Oct 2022 16:25:20 +0100	[thread overview]
Message-ID: <20221017152520.1039165-7-broonie@kernel.org> (raw)
In-Reply-To: <20221017152520.1039165-1-broonie@kernel.org>

Add coverage for FEAT_SVE2p1.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 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 30f87dfd634e..9f255bc5f31c 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -62,6 +62,12 @@ static void sve2_sigill(void)
 	asm volatile(".inst 0x4408A000" : : : "z0");
 }
 
+static void sve2p1_sigill(void)
+{
+	/* BFADD Z0.H, Z0.H, Z0.H */
+	asm volatile(".inst 0x65000000" : : : "z0");
+}
+
 static void sveaes_sigill(void)
 {
 	/* AESD z0.b, z0.b, z0.b */
@@ -167,6 +173,13 @@ static const struct hwcap_data {
 		.cpuinfo = "sve2",
 		.sigill_fn = sve2_sigill,
 	},
+	{
+		.name = "SVE 2.1",
+		.at_hwcap = AT_HWCAP2,
+		.hwcap_bit = HWCAP2_SVE2P1,
+		.cpuinfo = "sve2p1",
+		.sigill_fn = sve2p1_sigill,
+	},
 	{
 		.name = "SVE AES",
 		.at_hwcap = AT_HWCAP2,
-- 
2.30.2


  parent reply	other threads:[~2022-10-17 15:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-17 15:25 [PATCH v1 0/6] arm64: Support for 2022 data processing instructions Mark Brown
2022-10-17 15:25 ` [PATCH v1 1/6] arm64/hwcap: Add support for FEAT_CSSC Mark Brown
2022-11-09 17:29   ` Catalin Marinas
2022-10-17 15:25 ` [PATCH v1 2/6] kselftest/arm64: Add FEAT_CSSC to the hwcap selftest Mark Brown
2022-11-09 17:30   ` Catalin Marinas
2022-10-17 15:25 ` [PATCH v1 3/6] arm64/hwcap: Add support for FEAT_RPRFM Mark Brown
2022-11-09 17:30   ` Catalin Marinas
2022-10-17 15:25 ` [PATCH v1 4/6] kselftest/arm64: Add FEAT_RPRFM to the hwcap test Mark Brown
2022-11-09 17:31   ` Catalin Marinas
2022-10-17 15:25 ` [PATCH v1 5/6] arm64/hwcap: Add support for SVE 2.1 Mark Brown
2022-11-09 17:35   ` Catalin Marinas
2022-10-17 15:25 ` Mark Brown [this message]
2022-11-09 17:35   ` [PATCH v1 6/6] kselftest/arm64: Add SVE 2.1 to hwcap test Catalin Marinas
2022-11-09 19:13 ` [PATCH v1 0/6] arm64: Support for 2022 data processing instructions Will Deacon

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