Commit 7eb4ee66 authored by Zeng Heng's avatar Zeng Heng Committed by Will Deacon
Browse files

kselftest/arm64: add SHA1 and related features to hwcap test 



Add the SHA1 and related features check in the set of hwcap tests.

Signed-off-by: default avatarZeng Heng <zengheng4@huawei.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815040915.3966955-2-zengheng4@huawei.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent e08302ee

tools/testing/selftests/arm64/abi/hwcap.c

+39 −0
Original line number Diff line number Diff line
@@ -87,6 +87,24 @@ static void rng_sigill(void) 
	asm volatile("mrs x0, S3_3_C2_C4_0" : : : "x0");

}



static void sha1_sigill(void)

{

	/* SHA1H S0, S0 */

	asm volatile(".inst 0x5e280800" : : : );

}



static void sha2_sigill(void)

{

	/* SHA256H Q0, Q0, V0.4S */

	asm volatile(".inst 0x5e004000" : : : );

}



static void sha512_sigill(void)

{

	/* SHA512H Q0, Q0, V0.2D */

	asm volatile(".inst 0xce608000" : : : );

}



static void sme_sigill(void)

{

	/* RDSVL x0, #0 */
@@ -327,6 +345,27 @@ static const struct hwcap_data { 
		.hwcap_bit = HWCAP2_RPRFM,

		.cpuinfo = "rprfm",

	},

	{

		.name = "SHA1",

		.at_hwcap = AT_HWCAP,

		.hwcap_bit = HWCAP_SHA1,

		.cpuinfo = "sha1",

		.sigill_fn = sha1_sigill,

	},

	{

		.name = "SHA2",

		.at_hwcap = AT_HWCAP,

		.hwcap_bit = HWCAP_SHA2,

		.cpuinfo = "sha2",

		.sigill_fn = sha2_sigill,

	},

	{

		.name = "SHA512",

		.at_hwcap = AT_HWCAP,

		.hwcap_bit = HWCAP_SHA512,

		.cpuinfo = "sha512",

		.sigill_fn = sha512_sigill,

	},

	{

		.name = "SME",

		.at_hwcap = AT_HWCAP2,