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From: Zeng Heng <zengheng4@huawei.com>
To: <kristina.martsenko@arm.com>, <shuah@kernel.org>,
	<catalin.marinas@arm.com>, <broonie@kernel.org>,
	<will@kernel.org>
Cc: <zengheng4@huawei.com>, <linux-kselftest@vger.kernel.org>,
	<xiexiuqi@huawei.com>, <linux-arm-kernel@lists.infradead.org>
Subject: [PATCH 2/5] kselftest/arm64: add crc32 feature to hwcap test
Date: Tue, 8 Aug 2023 14:13:52 +0800	[thread overview]
Message-ID: <20230808061356.2215158-2-zengheng4@huawei.com> (raw)
In-Reply-To: <20230808061356.2215158-1-zengheng4@huawei.com>

Add the CRC32 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 --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
index eaf9881c2e43..7ea526e7934e 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -33,6 +33,12 @@
  */
 typedef void (*sigill_fn)(void);
 
+static void crc32_sigill(void)
+{
+	/* CRC32W W0, W0, W1 */
+	asm volatile(".inst 0x1ac14800" : : : );
+}
+
 static void cssc_sigill(void)
 {
 	/* CNT x0, x0 */
@@ -234,6 +240,13 @@ static const struct hwcap_data {
 	sigill_fn sigill_fn;
 	bool sigill_reliable;
 } hwcaps[] = {
+	{
+		.name = "CRC32",
+		.at_hwcap = AT_HWCAP,
+		.hwcap_bit = HWCAP_CRC32,
+		.cpuinfo = "crc32",
+		.sigill_fn = crc32_sigill,
+	},
 	{
 		.name = "CSSC",
 		.at_hwcap = AT_HWCAP2,
-- 
2.25.1


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WARNING: multiple messages have this Message-ID (diff)
From: Zeng Heng <zengheng4@huawei.com>
To: <kristina.martsenko@arm.com>, <shuah@kernel.org>,
	<catalin.marinas@arm.com>, <broonie@kernel.org>,
	<will@kernel.org>
Cc: <zengheng4@huawei.com>, <linux-kselftest@vger.kernel.org>,
	<xiexiuqi@huawei.com>, <linux-arm-kernel@lists.infradead.org>
Subject: [PATCH 2/5] kselftest/arm64: add crc32 feature to hwcap test
Date: Tue, 8 Aug 2023 14:13:52 +0800	[thread overview]
Message-ID: <20230808061356.2215158-2-zengheng4@huawei.com> (raw)
In-Reply-To: <20230808061356.2215158-1-zengheng4@huawei.com>

Add the CRC32 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 --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
index eaf9881c2e43..7ea526e7934e 100644
--- a/tools/testing/selftests/arm64/abi/hwcap.c
+++ b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -33,6 +33,12 @@
  */
 typedef void (*sigill_fn)(void);
 
+static void crc32_sigill(void)
+{
+	/* CRC32W W0, W0, W1 */
+	asm volatile(".inst 0x1ac14800" : : : );
+}
+
 static void cssc_sigill(void)
 {
 	/* CNT x0, x0 */
@@ -234,6 +240,13 @@ static const struct hwcap_data {
 	sigill_fn sigill_fn;
 	bool sigill_reliable;
 } hwcaps[] = {
+	{
+		.name = "CRC32",
+		.at_hwcap = AT_HWCAP,
+		.hwcap_bit = HWCAP_CRC32,
+		.cpuinfo = "crc32",
+		.sigill_fn = crc32_sigill,
+	},
 	{
 		.name = "CSSC",
 		.at_hwcap = AT_HWCAP2,
-- 
2.25.1


  reply	other threads:[~2023-08-08  6:19 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-08  6:13 [PATCH 1/5] kselftest/arm64: add float-point feature to hwcap test Zeng Heng
2023-08-08  6:13 ` Zeng Heng
2023-08-08  6:13 ` Zeng Heng [this message]
2023-08-08  6:13   ` [PATCH 2/5] kselftest/arm64: add crc32 " Zeng Heng
2023-08-08 12:28   ` Mark Brown
2023-08-08 12:28     ` Mark Brown
2023-08-08  6:13 ` [PATCH 3/5] kselftest/arm64: add DEF_SIGHANDLER_FUNC() and DEF_INST_RAISE_SIG() helpers Zeng Heng
2023-08-08  6:13   ` Zeng Heng
2023-08-08  6:13 ` [PATCH 4/5] kselftest/arm64: add test item that support to capturing the SIGBUS signal Zeng Heng
2023-08-08  6:13   ` Zeng Heng
2023-08-08  6:13 ` [PATCH 5/5] kselftest/arm64: add lse and lse2 features to hwcap test Zeng Heng
2023-08-08  6:13   ` Zeng Heng
2023-08-08  6:13 ` [PATCH 0/5] kselftest/arm64: add features check " Zeng Heng
2023-08-08  6:13   ` Zeng Heng
2023-08-08 12:57   ` Mark Brown
2023-08-08 12:57     ` Mark Brown
2023-08-08 12:25 ` [PATCH 1/5] kselftest/arm64: add float-point feature " Mark Brown
2023-08-08 12:25   ` Mark Brown
2023-08-08 12:48   ` Zeng Heng
2023-08-08 12:48     ` Zeng Heng

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