From patchwork Mon Aug 14 02:17:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zeng Heng X-Patchwork-Id: 13352285 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 51750C04A6A for ; Mon, 14 Aug 2023 02:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230292AbjHNCVg (ORCPT ); Sun, 13 Aug 2023 22:21:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232381AbjHNCVD (ORCPT ); Sun, 13 Aug 2023 22:21:03 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BEB7C11D for ; Sun, 13 Aug 2023 19:21:02 -0700 (PDT) Received: from kwepemi500024.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4RPJ314PPWz2Bd2d; Mon, 14 Aug 2023 10:18:05 +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; Mon, 14 Aug 2023 10:20:59 +0800 From: Zeng Heng To: , , , CC: , , , Subject: [PATCH -next 2/4] kselftest/arm64: add AES feature check to hwcap test Date: Mon, 14 Aug 2023 10:17:45 +0800 Message-ID: <20230814021747.1784812-3-zengheng4@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230814021747.1784812-1-zengheng4@huawei.com> References: <20230814021747.1784812-1-zengheng4@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) 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 AES feature check in the set of hwcap tests. Signed-off-by: Zeng Heng --- tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index c87a2e167ee8..d9a49b1467ac 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -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] */ @@ -280,6 +286,13 @@ 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,