From patchwork Wed Jul 10 17:35:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcin Juszkiewicz X-Patchwork-Id: 13729529 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 96EBDC3DA41 for ; Wed, 10 Jul 2024 17:36:22 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sRbE8-0008Kg-OL; Wed, 10 Jul 2024 13:35:36 -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 1sRbE6-0008Hs-82; Wed, 10 Jul 2024 13:35:34 -0400 Received: from muminek.juszkiewicz.com.pl ([213.251.184.221]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sRbDy-0007FJ-Ji; Wed, 10 Jul 2024 13:35:33 -0400 Received: from localhost (localhost [127.0.0.1]) by muminek.juszkiewicz.com.pl (Postfix) with ESMTP id EED10261989; Wed, 10 Jul 2024 19:35:20 +0200 (CEST) X-Virus-Scanned: Debian amavis at juszkiewicz.com.pl Received: from muminek.juszkiewicz.com.pl ([127.0.0.1]) by localhost (muminek.juszkiewicz.com.pl [127.0.0.1]) (amavis, port 10024) with ESMTP id qd8wG7v7voex; Wed, 10 Jul 2024 19:35:19 +0200 (CEST) Received: from applejack.lan (83.8.74.165.ipv4.supernova.orange.pl [83.8.74.165]) by muminek.juszkiewicz.com.pl (Postfix) with ESMTPSA id 44644260662; Wed, 10 Jul 2024 19:35:18 +0200 (CEST) From: Marcin Juszkiewicz To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , Marcin Juszkiewicz Subject: [PATCH 1/1] target/arm: calculate cache sizes properly Date: Wed, 10 Jul 2024 19:35:12 +0200 Message-ID: <20240710173512.424547-1-marcin.juszkiewicz@linaro.org> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 Received-SPF: softfail client-ip=213.251.184.221; envelope-from=marcin.juszkiewicz@linaro.org; helo=muminek.juszkiewicz.com.pl X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Neoverse-V1 TRM says that NumSets are [27:13] not :32 like in code. With this fix all cores which use make_ccsidr64() function have proper size of cpu caches. Signed-off-by: Marcin Juszkiewicz --- target/arm/tcg/cpu64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index fe232eb306..98144e1d20 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -50,7 +50,7 @@ static uint64_t make_ccsidr64(unsigned assoc, unsigned linesize, sets = cachesize / (assoc * linesize); assert(cachesize % (assoc * linesize) == 0); - return ((uint64_t)(sets - 1) << 32) + return ((uint64_t)(sets - 1) << 13) | ((assoc - 1) << 3) | (lg_linesize - 4); }