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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C689C433F5 for ; Fri, 10 Dec 2021 18:45:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245530AbhLJStD (ORCPT ); Fri, 10 Dec 2021 13:49:03 -0500 Received: from sin.source.kernel.org ([145.40.73.55]:47988 "EHLO sin.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239133AbhLJStA (ORCPT ); Fri, 10 Dec 2021 13:49:00 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id F0281CE2C91 for ; Fri, 10 Dec 2021 18:45:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A641AC341C5; Fri, 10 Dec 2021 18:45:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1639161921; bh=ZN5JIZMYAQ+hgzYrUF3T4Xtxh1popb3QWVWnFUDvm0M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NHaqtPTt0kVZVMlrqnGWwdeSloy9qX/YYLlsu/Z1bk+AkuqcF9abltdkgHlxIk9CY ShI29ZtOltFiAvHV79UEC0T7EZtWiXA80edYMrqmuf8Pnz7+uDcWRrEMyaZDwW8Gzm C1suTyOjSY2dHCRTWrMMbNi4Ud9yjpMZIyLmMIsUx17E/KkJNBzLeFJrqJZkE4Jsfg OpYaK0xj58Ek38XDCDOIkttMgrWwTjRkqrR0XGdtANK7YrTJf7s5RXg4q5CrASg44P B5EDFPRBiUFPP6TNTbyLBWkwkOw1suYghJ1KK1YIzirS5o0t0NEWvMGa7ua2kxLwF6 BmfrKKKGcB2Og== 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 v7 35/37] kselftest/arm64: Add streaming SVE to SVE ptrace tests Date: Fri, 10 Dec 2021 18:41:31 +0000 Message-Id: <20211210184133.320748-36-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211210184133.320748-1-broonie@kernel.org> References: <20211210184133.320748-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1273; h=from:subject; bh=ZN5JIZMYAQ+hgzYrUF3T4Xtxh1popb3QWVWnFUDvm0M=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBhs59aMw1aSMaLYOpSHmlAJ01VdHXdXklZl9UT/zmb q+DxHDiJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYbOfWgAKCRAk1otyXVSH0Cq8B/ 0Swvnr/GmluzqK0oeiLEWUjtBEBL5tFtNU8hpCMDyxu8fTnveDCi9UauJykwBO05KTvxhcHfygA6+n 2O/lIQBVhb+lequkAgI1LGg5a4u4gT1vNS82wcs4QQz+fNH/qj4bmSAdirVeWZgKAcX5ahou4VviVG j37yPajyt+OnD25rLNtkeb9bxOj+qZPXqsRWkQriZjfOiudQHtTK5IOqZGsKUuUs4pQBuGiZ/GHdcJ CPefUWGNk/tVwBpYT3/8E6xno3CQQkLuOgMMI1UgXP21SXB/aSCF3t2D4MFYKssIbiRUWAP7+Op68J IrFEMCh/B4Fx/+WrJbemtwQ8e3pacJ X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org In order to allow ptrace of streaming mode SVE registers we have added a new regset for streaming mode which in isolation offers the same ABI as regular SVE with a different vector type. Add this to the array of regsets we handle, together with additional tests for the interoperation of the two regsets. Signed-off-by: Mark Brown --- tools/testing/selftests/arm64/fp/sve-ptrace.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/testing/selftests/arm64/fp/sve-ptrace.c b/tools/testing/selftests/arm64/fp/sve-ptrace.c index af798b9d232c..00c35b9db27f 100644 --- a/tools/testing/selftests/arm64/fp/sve-ptrace.c +++ b/tools/testing/selftests/arm64/fp/sve-ptrace.c @@ -28,6 +28,10 @@ #define NT_ARM_SVE 0x405 #endif +#ifndef NT_ARM_SSVE +#define NT_ARM_SSVE 0x40b +#endif + struct vec_type { const char *name; unsigned long hwcap_type; @@ -44,6 +48,13 @@ static const struct vec_type vec_types[] = { .regset = NT_ARM_SVE, .prctl_set = PR_SVE_SET_VL, }, + { + .name = "Streaming SVE", + .hwcap_type = AT_HWCAP2, + .hwcap = HWCAP2_SME, + .regset = NT_ARM_SSVE, + .prctl_set = PR_SME_SET_VL, + }, }; #define VL_TESTS (((SVE_VQ_MAX - SVE_VQ_MIN) + 1) * 3) -- 2.30.2 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 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 00299C433F5 for ; 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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 In order to allow ptrace of streaming mode SVE registers we have added a new regset for streaming mode which in isolation offers the same ABI as regular SVE with a different vector type. Add this to the array of regsets we handle, together with additional tests for the interoperation of the two regsets. Signed-off-by: Mark Brown --- tools/testing/selftests/arm64/fp/sve-ptrace.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/testing/selftests/arm64/fp/sve-ptrace.c b/tools/testing/selftests/arm64/fp/sve-ptrace.c index af798b9d232c..00c35b9db27f 100644 --- a/tools/testing/selftests/arm64/fp/sve-ptrace.c +++ b/tools/testing/selftests/arm64/fp/sve-ptrace.c @@ -28,6 +28,10 @@ #define NT_ARM_SVE 0x405 #endif +#ifndef NT_ARM_SSVE +#define NT_ARM_SSVE 0x40b +#endif + struct vec_type { const char *name; unsigned long hwcap_type; @@ -44,6 +48,13 @@ static const struct vec_type vec_types[] = { .regset = NT_ARM_SVE, .prctl_set = PR_SVE_SET_VL, }, + { + .name = "Streaming SVE", + .hwcap_type = AT_HWCAP2, + .hwcap = HWCAP2_SME, + .regset = NT_ARM_SSVE, + .prctl_set = PR_SME_SET_VL, + }, }; #define VL_TESTS (((SVE_VQ_MAX - SVE_VQ_MIN) + 1) * 3) -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel