From patchwork Tue Aug 15 04:09:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zeng Heng X-Patchwork-Id: 13353512 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C10FC04FDF for ; Tue, 15 Aug 2023 04:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234480AbjHOEQG (ORCPT ); Tue, 15 Aug 2023 00:16:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234524AbjHOENH (ORCPT ); Tue, 15 Aug 2023 00:13:07 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E4DB1730 for ; Mon, 14 Aug 2023 21:12:28 -0700 (PDT) Received: from kwepemi500024.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RPyVz4KSDz1GDTg; Tue, 15 Aug 2023 12:11:07 +0800 (CST) Received: from huawei.com (10.175.103.91) by kwepemi500024.china.huawei.com (7.221.188.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Tue, 15 Aug 2023 12:12:25 +0800 From: Zeng Heng To: , , , CC: , , , Subject: [PATCH -next v2 3/4] kselftest/arm64: add pmull feature to hwcap test Date: Tue, 15 Aug 2023 12:09:14 +0800 Message-ID: <20230815040915.3966955-4-zengheng4@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230815040915.3966955-1-zengheng4@huawei.com> References: <20230815040915.3966955-1-zengheng4@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500024.china.huawei.com (7.221.188.100) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add the pmull feature check in the set of hwcap tests. Signed-off-by: Zeng Heng Reviewed-by: Mark Brown --- tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) -- 2.25.1 diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index d9a49b1467ac..df7a62659aa2 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -88,6 +88,12 @@ static void mops_sigill(void) : "cc", "memory"); } +static void pmull_sigill(void) +{ + /* PMULL V0.1Q, V0.1D, V0.1D */ + asm volatile(".inst 0x0ee0e000" : : : ); +} + static void rng_sigill(void) { asm volatile("mrs x0, S3_3_C2_C4_0" : : : "x0"); @@ -352,6 +358,13 @@ static const struct hwcap_data { .sigill_fn = mops_sigill, .sigill_reliable = true, }, + { + .name = "PMULL", + .at_hwcap = AT_HWCAP, + .hwcap_bit = HWCAP_PMULL, + .cpuinfo = "pmull", + .sigill_fn = pmull_sigill, + }, { .name = "RNG", .at_hwcap = AT_HWCAP2,