From patchwork Wed Jun 12 02:35:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaoqin Huang X-Patchwork-Id: 13694380 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 4B28AC27C78 for ; Wed, 12 Jun 2024 02:36:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ARgZIxE+11qj8ADHfG2c1X50fN5kwjd0+5g/sQvCIdY=; b=DfjO9shUS9TyvU6VjN/5LyjjY0 6lfEkO0uchxUPCQAvTH63HThUU2mECjRco1R/nkvylgiNvoo/R1kpdWdOIMzDeuFx7xFQcYBICzj4 sj0/pzQmdOqUzbNDwvTa7IHeXMeuBeJALbTwpGTjx3SlxDjRTW3T4Kp163zQJdvTrg/X7MAO7yg2I +ZONqXmjrSmwxv9ZmwzMPL6C1C1819m+VJ0QrDDv+T53SgIPWe6mzXbaFtNmJsQKheBkUqymBTE0L Vzr3Aepox5rJqHHd7fsdl3588mmcQAuL7hmxIa3jVerVH9gM+5oVMMQqSYGapFjM5y8odlnuPwbLE FbFEgsOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHDqU-0000000Ap0E-0XAE; Wed, 12 Jun 2024 02:36:18 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHDqR-0000000Aozb-1Dk6 for linux-arm-kernel@lists.infradead.org; Wed, 12 Jun 2024 02:36:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718159774; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ARgZIxE+11qj8ADHfG2c1X50fN5kwjd0+5g/sQvCIdY=; b=Vbl4tainvkY3F1tFvAa8QkNS+8D1U4upsFrpfJCROQyCeQnRxelj6MtMfm4yQdw6S0FaBI JpMv2BIzZotzBpiJwthhWVx57fvOZlHsKkUlJURI2oyeB1nAIuLLl/ypGuxf02s95+G7AN FMbWVdnN58kcFC0fgxLGR/MV7tUUmC4= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-529-Hv6NuDmENy6inG_gTUu0Zg-1; Tue, 11 Jun 2024 22:36:10 -0400 X-MC-Unique: Hv6NuDmENy6inG_gTUu0Zg-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AA4F219560B2; Wed, 12 Jun 2024 02:36:08 +0000 (UTC) Received: from virt-mtcollins-01.lab.eng.rdu2.redhat.com (virt-mtcollins-01.lab.eng.rdu2.redhat.com [10.8.1.196]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5386619560AD; Wed, 12 Jun 2024 02:36:06 +0000 (UTC) From: Shaoqin Huang To: Oliver Upton , Marc Zyngier , kvmarm@lists.linux.dev Cc: Eric Auger , Sebastian Ott , Cornelia Huck , Shaoqin Huang , James Morse , Suzuki K Poulose , Zenghui Yu , Paolo Bonzini , Shuah Khan , linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v1 2/2] KVM: selftests: aarch64: Add writable test for ID_AA64PFR1_EL1 Date: Tue, 11 Jun 2024 22:35:52 -0400 Message-Id: <20240612023553.127813-3-shahuang@redhat.com> In-Reply-To: <20240612023553.127813-1-shahuang@redhat.com> References: <20240612023553.127813-1-shahuang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240611_193615_433644_6CD434A4 X-CRM114-Status: UNSURE ( 9.62 ) X-CRM114-Notice: Please train this message. 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 test for the BT field in the ID_AA64PFR1_EL1 register. Signed-off-by: Shaoqin Huang --- tools/testing/selftests/kvm/aarch64/set_id_regs.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/kvm/aarch64/set_id_regs.c b/tools/testing/selftests/kvm/aarch64/set_id_regs.c index 16e2338686c1..5381b8ec5562 100644 --- a/tools/testing/selftests/kvm/aarch64/set_id_regs.c +++ b/tools/testing/selftests/kvm/aarch64/set_id_regs.c @@ -133,6 +133,11 @@ static const struct reg_ftr_bits ftr_id_aa64pfr0_el1[] = { REG_FTR_END, }; +static const struct reg_ftr_bits ftr_id_aa64pfr1_el1[] = { + REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, BT, 0), + REG_FTR_END, +}; + static const struct reg_ftr_bits ftr_id_aa64mmfr0_el1[] = { REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, ECV, 0), REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, EXS, 0), @@ -199,6 +204,7 @@ static struct test_feature_reg test_regs[] = { TEST_REG(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1_el1), TEST_REG(SYS_ID_AA64ISAR2_EL1, ftr_id_aa64isar2_el1), TEST_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0_el1), + TEST_REG(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1_el1), TEST_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0_el1), TEST_REG(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1_el1), TEST_REG(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2_el1),