From nobody Sun Sep 28 16:35:51 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1756304585; cv=none; d=zohomail.com; s=zohoarc; b=MvZh63cC3HOJ+4Eo0hifG/o0M282rdo0DbxkEhR/TfRmWibvyQRI8YGR2M61oOvkkuJTMf2n6R6UbekLwtFmuZli8aXzqzJa12UJ7rZeSreA1K0H/5H+7sA6zGSKxYIKco80cJmPXnove7rutX8dfY1hkDBaoInJBoZDq+4/zwg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1756304585; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=U+h1yk01u8WszKDPhG3QU7Av/fiUJXYwVSOZST5YkDQ=; b=hTdhuerfbSNLgDCcjCoYNUJ1AWIhTxG0UY6dT8a0TUOXnsEcasKKt35LvUcHs87eFDEHWI2EiRpszREndAAsvPCAXwAUA7NyGlWME19BsfzxXHZVCAGsrISIgZHaRnX7YrUykpsPXWZNJKaj3DMuLgiC1Wue8PMDX1DQqmCjFQg= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 1756304585747273.2877891893979; Wed, 27 Aug 2025 07:23:05 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1urH2o-0001CL-N4; Wed, 27 Aug 2025 10:22:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1urH2m-0001Aq-Km; Wed, 27 Aug 2025 10:22:32 -0400 Received: from [185.176.79.56] (helo=frasgout.his.huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1urH2k-0006P6-Ev; Wed, 27 Aug 2025 10:22:32 -0400 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4cBmqT6bwbz6J73j; Wed, 27 Aug 2025 22:19:01 +0800 (CST) Received: from frapeml500003.china.huawei.com (unknown [7.182.85.28]) by mail.maildlp.com (Postfix) with ESMTPS id 4B923140278; Wed, 27 Aug 2025 22:22:27 +0800 (CST) Received: from a2303103017.china.huawei.com (10.126.171.221) by frapeml500003.china.huawei.com (7.182.85.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 27 Aug 2025 16:22:25 +0200 To: CC: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v16 1/8] target/arm/tcg: increase cache level for cpu=max Date: Wed, 27 Aug 2025 15:21:45 +0100 Message-ID: <20250827142152.206-2-alireza.sanaee@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250827142152.206-1-alireza.sanaee@huawei.com> References: <20250827142152.206-1-alireza.sanaee@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.126.171.221] X-ClientProxiedBy: lhrpeml100006.china.huawei.com (7.191.160.224) To frapeml500003.china.huawei.com (7.182.85.28) X-Host-Lookup-Failed: Reverse DNS lookup failed for 185.176.79.56 (deferred) 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=185.176.79.56; envelope-from=alireza.sanaee@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: , Reply-to: Alireza Sanaee From: Alireza Sanaee via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1756304588395116600 Content-Type: text/plain; charset="utf-8" This patch addresses cache description in the `aarch64_max_tcg_initfn` function for cpu=3Dmax. It introduces three layers of caches and modifies the cache description registers accordingly. Reviewed-by: Jonathan Cameron Signed-off-by: Alireza Sanaee --- target/arm/tcg/cpu64.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 35cddbafa4..bf1372ecdf 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1093,6 +1093,19 @@ void aarch64_max_tcg_initfn(Object *obj) uint64_t t; uint32_t u; =20 + /* + * Expanded cache set + */ + SET_IDREG(isar, CLIDR, 0x8200123); /* 4 4 3 in 3 bit fields */ + /* 64KB L1 dcache */ + cpu->ccsidr[0] =3D make_ccsidr(CCSIDR_FORMAT_LEGACY, 4, 64, 64 * KiB, = 7); + /* 64KB L1 icache */ + cpu->ccsidr[1] =3D make_ccsidr(CCSIDR_FORMAT_LEGACY, 4, 64, 64 * KiB, = 2); + /* 1MB L2 unified cache */ + cpu->ccsidr[2] =3D make_ccsidr(CCSIDR_FORMAT_LEGACY, 8, 64, 1 * MiB, 7= ); + /* 2MB L3 unified cache */ + cpu->ccsidr[4] =3D make_ccsidr(CCSIDR_FORMAT_LEGACY, 8, 64, 2 * MiB, 7= ); + /* * Unset ARM_FEATURE_BACKCOMPAT_CNTFRQ, which we would otherwise defau= lt * to because we started with aarch64_a57_initfn(). A 'max' CPU might --=20 2.43.0