From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BB0CC433F5 for ; Thu, 30 Sep 2021 18:45:01 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D443561166 for ; Thu, 30 Sep 2021 18:45:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D443561166 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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=UEouNAmF13o7iD+f+DByvXWfxHxKupuVjPbDUTGn9fA=; b=4NOeEYOpGYJz5m YU90Hi5gLLg8rDDNTFpwUMlYEu1AuCWTeOrRvT/pazAkcFCUr8R9XhCnSzSSyCbcuu9VXIGvEkDRB cxCRBwJEGDO/SFqYrrHsg2zkhG7gVdQfAd/0I0XkZcGgTSo/ODtf5G7Z6qzG7T7z65PIusyYJJ5tw GFewYpKCpKThdkjiOyrr9cZBHTmPcGtGYKLjsW+wMVVISXfqooRHtG9yrp88nYYzffo8QLtHyfSm9 cczSAfoHRkB3E7t0oH0mZiY2bbvk728tYAi1A8SZME4H/Sj4sbBMROBkYhp/PspIVjhmE6EpANEs9 OrVYxWXjap7vEXzc3PQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mW10b-00FeuH-M4; Thu, 30 Sep 2021 18:42:18 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mW0cM-00FUqu-CE for linux-arm-kernel@lists.infradead.org; Thu, 30 Sep 2021 18:17:16 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 59C26615A2; Thu, 30 Sep 2021 18:17:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633025833; bh=2MjWoifwM+xT08prrP2Yh1vN4R7HFKkv8CNC/sdY4JE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XrkjytvfPa531A/XtaVZBAtd4DjqG1kj+tGsfgr8ryTWT20jg87Ui5ZiYNfhOjKqp p6e0HGkqbirSjv3cC3XAKJHubNIw9B73ykXW0o5Z9Po2Qu+eyJs2Yv56jlcpGZrJWI DjbowTamiedp8Y6LSNmOjJFLudQ9lE5r7Wy6Y+HqMP+1iicstrMj4oChpG5lrni93/ hpbTf2OHrdK6f72lqL+KDl/BJ+wqXy3C+8Q0Js8YOc133D2YaOZFLCRYmEj7lTAfmm P9pAQCwEa/afL5l0yxTucXmWR4K3BZ4DMhgTshkIiEgyuAmwC4AXNasEgJF+XAsFfZ fNf3OZZkQj6BQ== From: Mark Brown To: Catalin Marinas , Will Deacon , Shuah Khan , Shuah Khan Cc: Alan Hayward , Luis Machado , Salil Akerkar , Basant Kumar Dwivedi , Szabolcs Nagy , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown Subject: [PATCH v1 33/38] kselftest/arm64: Extend vector configuration API tests to cover SME Date: Thu, 30 Sep 2021 19:11:39 +0100 Message-Id: <20210930181144.10029-34-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210930181144.10029-1-broonie@kernel.org> References: <20210930181144.10029-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3767; h=from:subject; bh=2MjWoifwM+xT08prrP2Yh1vN4R7HFKkv8CNC/sdY4JE=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBhVf3bd93Y3RQ4PhWoxp3ugmSmvY9n7N7hRMX0G94S ZABNiPyJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYVX92wAKCRAk1otyXVSH0IKHB/ 9ExtCRCeIve2Z0LCAsTJQNFXIwTxPBwbLggvph3s7Z1qEltYauGRPmtt3KX/GtaBseEXIGGgl3RP0w mSWFv5as+Fob/0j9n6bRWUtEwaYVQK3knJ83r90qpA+ksjVcpBt4ECL1PatPlMhuGszfQX9Db+nvJU 50LOvAKFDRyU5CcrBpUIq4zdtWa7T0IcjfKKxYSXKb0U7WTGLcuOQUmMo2kIfaJ+Pjo7B8V+Ivrmo1 BaD6tJXkkvUQW/J5cCmbJglxgRL68TkGvTotFUXkie8+tBDWpynSM3cFW0Qz3IMzrfBP/Ng/Cpr7f8 0r8JLJSF8lLlc0CjFBhLM0pX8nN9ph X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210930_111714_508826_32451EB3 X-CRM114-Status: GOOD ( 15.21 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Provide RDVL helpers for SME and extend the main vector configuration tests to cover SME. Signed-off-by: Mark Brown --- tools/testing/selftests/arm64/fp/.gitignore | 1 + tools/testing/selftests/arm64/fp/Makefile | 3 ++- tools/testing/selftests/arm64/fp/rdvl-sme.c | 14 ++++++++++++++ tools/testing/selftests/arm64/fp/rdvl.S | 16 ++++++++++++++++ tools/testing/selftests/arm64/fp/rdvl.h | 1 + tools/testing/selftests/arm64/fp/vec-syscfg.c | 10 ++++++++++ 6 files changed, 44 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/arm64/fp/rdvl-sme.c diff --git a/tools/testing/selftests/arm64/fp/.gitignore b/tools/testing/selftests/arm64/fp/.gitignore index b67395903b9b..885dd592807b 100644 --- a/tools/testing/selftests/arm64/fp/.gitignore +++ b/tools/testing/selftests/arm64/fp/.gitignore @@ -1,4 +1,5 @@ fpsimd-test +rdvl-sme rdvl-sve sve-probe-vls sve-ptrace diff --git a/tools/testing/selftests/arm64/fp/Makefile b/tools/testing/selftests/arm64/fp/Makefile index 4367125b7c27..ff1c8fde3aed 100644 --- a/tools/testing/selftests/arm64/fp/Makefile +++ b/tools/testing/selftests/arm64/fp/Makefile @@ -3,7 +3,7 @@ CFLAGS += -I../../../../../usr/include/ TEST_GEN_PROGS := sve-ptrace sve-probe-vls vec-syscfg TEST_PROGS_EXTENDED := fpsimd-test fpsimd-stress \ - rdvl-sve \ + rdvl-sme rdvl-sve \ sve-test sve-stress \ vlset @@ -11,6 +11,7 @@ all: $(TEST_GEN_PROGS) $(TEST_PROGS_EXTENDED) fpsimd-test: fpsimd-test.o $(CC) -nostdlib $^ -o $@ +rdvl-sme: rdvl-sme.o rdvl.o rdvl-sve: rdvl-sve.o rdvl.o sve-ptrace: sve-ptrace.o sve-probe-vls: sve-probe-vls.o rdvl.o diff --git a/tools/testing/selftests/arm64/fp/rdvl-sme.c b/tools/testing/selftests/arm64/fp/rdvl-sme.c new file mode 100644 index 000000000000..49b0b2e08bac --- /dev/null +++ b/tools/testing/selftests/arm64/fp/rdvl-sme.c @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include + +#include "rdvl.h" + +int main(void) +{ + int vl = rdvl_sme(); + + printf("%d\n", vl); + + return 0; +} diff --git a/tools/testing/selftests/arm64/fp/rdvl.S b/tools/testing/selftests/arm64/fp/rdvl.S index c916c1c9defd..a9a028ba1b79 100644 --- a/tools/testing/selftests/arm64/fp/rdvl.S +++ b/tools/testing/selftests/arm64/fp/rdvl.S @@ -8,3 +8,19 @@ rdvl_sve: hint 34 // BTI C rdvl x0, #1 ret + +.globl rdvl_sme +rdvl_sme: + hint 34 // BTI C + + // Enter streaming mode + mov x16, #1 + msr S3_3_C4_C2_2, x16 + + rdvl x0, #1 + + // Leave streaming mode + mov x16, #0 + msr S3_3_C4_C2_2, x16 + + ret diff --git a/tools/testing/selftests/arm64/fp/rdvl.h b/tools/testing/selftests/arm64/fp/rdvl.h index 7c9d953fc9e7..5d323679fbc9 100644 --- a/tools/testing/selftests/arm64/fp/rdvl.h +++ b/tools/testing/selftests/arm64/fp/rdvl.h @@ -3,6 +3,7 @@ #ifndef RDVL_H #define RDVL_H +int rdvl_sme(void); int rdvl_sve(void); #endif diff --git a/tools/testing/selftests/arm64/fp/vec-syscfg.c b/tools/testing/selftests/arm64/fp/vec-syscfg.c index 272b888e018e..0b976eb1c1d1 100644 --- a/tools/testing/selftests/arm64/fp/vec-syscfg.c +++ b/tools/testing/selftests/arm64/fp/vec-syscfg.c @@ -53,6 +53,16 @@ static struct vec_data vec_data[] = { .prctl_set = PR_SVE_SET_VL, .default_vl_file = "/proc/sys/abi/sve_default_vector_length", }, + { + .name = "SME", + .hwcap_type = AT_HWCAP2, + .hwcap = HWCAP2_SME, + .rdvl = rdvl_sme, + .rdvl_binary = "./rdvl-sme", + .prctl_get = PR_SME_GET_VL, + .prctl_set = PR_SME_SET_VL, + .default_vl_file = "/proc/sys/abi/sme_default_vector_length", + }, }; static int stdio_read_integer(FILE *f, const char *what, int *val) -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel