From nobody Tue Feb 10 12:59:55 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1654637607; cv=none; d=zohomail.com; s=zohoarc; b=eUt3gMlEcxCWXxS1ZmL6dp+wKpgYYMZJ9ccw8ZAsIYzf8WEpOw7egkDzhPXXwTRuVBJlRFwS5L9np1HbHpBY9qjLlSaYvS3q7EQ2iePVuP9z6+F0g33JpO21wli8Az0ybdZfvAyJ91pSdQTzhqdpfJhw01fxw2u+xGaOpl70cHY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654637607; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=82yuKxX8pMTqpPKtHE5QelO5OO41QYfrwZUlFAo4P7w=; b=I1qTX1Y48AL8R3XkyHq6TD9Ied401/gnq6wkA5BZFmuPpidjSF25A0Yae8SJkHUX4NGRycMtALiCfGRxO/wlLCALPZqt8EB0j+ld73qozW4LTOYzoP1aWQc8itvaKk3KOLWHXORHp2ZUpzn6C1GMCOuUKqKTg8VRt9wSHuX7hmA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 165463760789412.921114952258563; Tue, 7 Jun 2022 14:33:27 -0700 (PDT) Received: from localhost ([::1]:51322 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nygpK-0002Yi-Ch for importer@patchew.org; Tue, 07 Jun 2022 17:33:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36172) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nyfwr-00074V-MH for qemu-devel@nongnu.org; Tue, 07 Jun 2022 16:37:09 -0400 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]:44681) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nyfwk-0008FN-Fe for qemu-devel@nongnu.org; Tue, 07 Jun 2022 16:37:09 -0400 Received: by mail-pl1-x62c.google.com with SMTP id h1so15783115plf.11 for ; Tue, 07 Jun 2022 13:37:02 -0700 (PDT) Received: from stoup.. ([2602:ae:1547:e101:3cf2:c634:5b19:25f6]) by smtp.gmail.com with ESMTPSA id s18-20020aa78d52000000b0050dc76281fdsm13235645pfe.215.2022.06.07.13.37.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 13:37:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=82yuKxX8pMTqpPKtHE5QelO5OO41QYfrwZUlFAo4P7w=; b=BreawBXY9enZFIP3Rs46FVFvH6xUeZTQmqf1OvRZ/7IUZGyYuRSAiybGHJGMfxBl9Z GpApFx6nU/hms+mSfe5x4iSw273YUu5YvyQonzZCClPphSnbHX/plOCqjm3c87HqEmac KUipLn7hBLOwucGwWDkwXlq6GMgJeb9/1nKGwV3wuzkEFjtV/uJ48X+LA/znU8r6lOxb OZfn7d5Ky/earCyKN9bzE8mPsw/6IgV0nnvBw3hSCQdZ13qTYJymNJW9PQhLbnluq1oS q4opxK7DSiobmya5pSi9Xo1/HFU/XKyLcsQhi3UPTOJZ0wohaVQ9JY1X9BvjKDeoZXSk 01MQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=82yuKxX8pMTqpPKtHE5QelO5OO41QYfrwZUlFAo4P7w=; b=vHDFIrx5vMG04R2ik7T0Ie48Lht9T/EW63xyqZkLgXFqyr0Orp1YgfsA1jbkuNvLJI DTRcMnetlfFAI2WdtWKyJALWpgINxIJMfFs8Tx1hIMfwu8fvl9OzynGL7J7tHcx1AZ6V 4dqJQSoWuxoB+8UoLq4g2dyXklmIJBFI04iifjC1FkS/D4OrxFJcVJQ/TtJIprQA82Qr FHz1iPdF2V3HjeFwSL0KxqSmilimTxQ+RURkuW8gbVA7JS2KfTYS4KLacUoI+wfcQhrj SrOFtnUmn76e8YM12tBLkPFAv1rAQI4k7KnJJkRxvuXWhfT48V/JX/lboOJ+hF3b9lVm +iIw== X-Gm-Message-State: AOAM533R/W3h+lD20s3PfQsbqFgj2ACV46DSZ+4PCM8YmZSB4ZC0hnnJ ugrlDeP8oKs/EH1Q5jCfMDV/mzcDGgs2wQ== X-Google-Smtp-Source: ABdhPJzG9H51z15HpuzVMNiQ5RsKUiJ3WHQJdb2LGtUfO6rcOelwpdKqi/WgoWFrH9qWS34EU1meOA== X-Received: by 2002:a17:903:2cf:b0:151:a932:f1f0 with SMTP id s15-20020a17090302cf00b00151a932f1f0mr31356879plk.130.1654634221623; Tue, 07 Jun 2022 13:37:01 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Subject: [PATCH v2 58/71] target/arm: Enable SME for -cpu max Date: Tue, 7 Jun 2022 13:32:53 -0700 Message-Id: <20220607203306.657998-59-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220607203306.657998-1-richard.henderson@linaro.org> References: <20220607203306.657998-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1654637609050100001 Content-Type: text/plain; charset="utf-8" Note that SME remains effectively disabled for user-only, because we do not yet set CPACR_EL1.SMEN. This needs to wait until the kernel ABI is implemented. Signed-off-by: Richard Henderson --- target/arm/cpu64.c | 11 +++++++++++ docs/system/arm/emulation.rst | 4 ++++ 2 files changed, 15 insertions(+) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index aaf2c243d6..d77522e278 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -1017,6 +1017,7 @@ static void aarch64_max_initfn(Object *obj) * we do for EL2 with the virtualization=3Don property. */ t =3D FIELD_DP64(t, ID_AA64PFR1, MTE, 3); /* FEAT_MTE3 */ + t =3D FIELD_DP64(t, ID_AA64PFR1, SME, 1); /* FEAT_SME */ t =3D FIELD_DP64(t, ID_AA64PFR1, CSV2_FRAC, 0); /* FEAT_CSV2_2 */ cpu->isar.id_aa64pfr1 =3D t; =20 @@ -1067,6 +1068,16 @@ static void aarch64_max_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64DFR0, PMUVER, 5); /* FEAT_PMUv3p4 */ cpu->isar.id_aa64dfr0 =3D t; =20 + t =3D cpu->isar.id_aa64smfr0; + t =3D FIELD_DP64(t, ID_AA64SMFR0, F32F32, 1); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, B16F32, 1); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, F16F32, 1); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, I8I32, 0xf); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, F64F64, 1); /* FEAT_SME_F64F64 */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, I16I64, 0xf); /* FEAT_SME_I16I64 */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, FA64, 1); /* FEAT_SME_FA64 */ + cpu->isar.id_aa64smfr0 =3D t; + /* Replicate the same data to the 32-bit id registers. */ aa32_max_features(cpu); =20 diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 49cc3e8340..834289cb8e 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -63,6 +63,10 @@ the following architecture extensions: - FEAT_SHA512 (Advanced SIMD SHA512 instructions) - FEAT_SM3 (Advanced SIMD SM3 instructions) - FEAT_SM4 (Advanced SIMD SM4 instructions) +- FEAT_SME (Scalable Matrix Extension) +- FEAT_SME_FA64 (Full A64 instruction set in Streaming SVE mode) +- FEAT_SME_F64F64 (Double-precision floating-point outer product instructi= ons) +- FEAT_SME_I16I64 (16-bit to 64-bit integer widening outer product instruc= tions) - FEAT_SPECRES (Speculation restriction instructions) - FEAT_SSBS (Speculative Store Bypass Safe) - FEAT_TLBIOS (TLB invalidate instructions in Outer Shareable domain) --=20 2.34.1