Commit 3fc3c0d1 authored by Zeng Heng's avatar Zeng Heng Committed by Will Deacon
Browse files

kselftest/arm64: add AES feature check to hwcap test 



Add the AES feature 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/20230815040915.3966955-3-zengheng4@huawei.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 7eb4ee66

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

+13 −0
Original line number Diff line number Diff line
@@ -34,6 +34,12 @@ 
 */

typedef void (*sig_fn)(void);



static void aes_sigill(void)

{

	/* AESE V0.16B, V0.16B */

	asm volatile(".inst 0x4e284800" : : : );

}



static void atomics_sigill(void)

{

	/* STADD W0, [SP] */
@@ -273,6 +279,13 @@ static const struct hwcap_data { 
	sig_fn sigbus_fn;

	bool sigbus_reliable;

} hwcaps[] = {

	{

		.name = "AES",

		.at_hwcap = AT_HWCAP,

		.hwcap_bit = HWCAP_AES,

		.cpuinfo = "aes",

		.sigill_fn = aes_sigill,

	},

	{

		.name = "CRC32",

		.at_hwcap = AT_HWCAP,