From patchwork Tue Aug 15 03:58:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zeng Heng X-Patchwork-Id: 13353501 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33FACC001B0 for ; Tue, 15 Aug 2023 04:03:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zVDfMO1Wkej99GZsXFr5ye3YlceOEV4dQ2oTuGI+TNk=; b=axQjy7KdBjNV/G kPiBm4auIPz6rC+vItY70VrwjgMU9np9wwBppXoqZ/CDJ9dS0pe+4ZqSwQxrTc0DXvluYs0m4208R Oqab5M+75yGVtN82dCv6uy4iE3LvGWEC9VqIewiEIRqSE+nDhiJ8GAUj6b2Ojc3fUJ36ath35i0HD 82NElo1ZcHmLQCvAUZBnFTp5rgnDAvp9Egeb/7jquALzlB8BTSPhww6YVw619iaOEG1L8z3qq/qtD RA4YG/yyAYKQogbb5BnUG9Zget2i0XZpdEWFfPy68gETn/OejyUWdoe6FD1MWXh53aNKgwp4INHNM pIq34mKUoC1oShQ8l3vQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVlGQ-000q1e-14; Tue, 15 Aug 2023 04:02:38 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVlGC-000pxC-03 for linux-arm-kernel@lists.infradead.org; Tue, 15 Aug 2023 04:02:27 +0000 Received: from kwepemi500024.china.huawei.com (unknown [172.30.72.54]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RPyHJ2LVyz1GDZp; Tue, 15 Aug 2023 12:01:00 +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 12:02:18 +0800 From: Zeng Heng To: , , , CC: , , , Subject: [PATCH -next 2/4] kselftest/arm64: add AES feature check to hwcap test Date: Tue, 15 Aug 2023 11:58:48 +0800 Message-ID: <20230815035850.3947870-3-zengheng4@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230815035850.3947870-1-zengheng4@huawei.com> References: <20230815035850.3947870-1-zengheng4@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemi500024.china.huawei.com (7.221.188.100) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230814_210224_218926_66C67111 X-CRM114-Status: GOOD ( 10.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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,