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kselftest/arm64: Add SVE 2.1 to hwcap test
author
Mark Brown
<broonie@kernel.org>
Mon, 17 Oct 2022 15:25:20 +0000
(16:25 +0100)
committer
Will Deacon
<will@kernel.org>
Wed, 9 Nov 2022 17:54:54 +0000
(17:54 +0000)
Add coverage for FEAT_SVE2p1.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link:
https://lore.kernel.org/r/20221017152520.1039165-7-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
tools/testing/selftests/arm64/abi/hwcap.c
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diff --git
a/tools/testing/selftests/arm64/abi/hwcap.c
b/tools/testing/selftests/arm64/abi/hwcap.c
index 30f87dfd634e2f710cc1f6cc8aa8534f779f0501..9f255bc5f31cbe8f7fce7a5a774af5844fed1e4d 100644
(file)
--- 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,