Commit c5195b02 authored by Mark Brown's avatar Mark Brown Committed by Will Deacon
Browse files

kselftest/arm64: Add SVE 2.1 to hwcap test 



Add coverage for FEAT_SVE2p1.

Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20221017152520.1039165-7-broonie@kernel.org


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent d12aada8

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

+13 −0
Original line number Diff line number Diff line
@@ -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,