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: 803714 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2901CB651 for ; Wed, 12 Jun 2024 02:36:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718159778; cv=none; b=snmKZqw2AazRIh+8/zYvYP3VwWa6vFsW/dfunHdNnRn5oOJ8FxWRHouPNPkav76OJ7ERKn7p3g2Q0qTkrbYf1fYI0MQkzwtdjtc3TFQeeRoz51B0iBAn0P8RGkdo4Yrbs0gDe5KxrumXjHb8JBOnMv8n3dLJvXByN8lm4aDtFQk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718159778; c=relaxed/simple; bh=+C9CpexBYFfnMpqRsSGyPaSylMt0LZhxG8Bqf4uE1vc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Dm53EK8yJm9q45A63B6argXQ7zDwgb9Ue0RlJ3PgMYwm5xPkWIHpYGlF07I/0zFonjiwkRxWqbpis5OwgwfywyA43MZTpAO+r5iChRFM2qLQXZDON+4OeVy5SRax6t43mhmPgufXtoJBhE1m0loHe1FXyjLnoEJXjGk8kBtcdjE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=A/j8+vHC; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="A/j8+vHC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718159776; 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=A/j8+vHCji6fIt6iNeEaxEGdG/MbqlX3xenreMMsv/2SGlMHL9BlSaYpA0BQV818YC4bNe 8rCwKqc7W8vUXYKXMT89Tm9n79DZdoM85u9Jgc5mGWh8O9KsVuVFxwqgHi/FZP8Yc/uCI6 2giLJJEzqUrnpl5oHtZD/bFwu+ChqXs= 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> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 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),