From nobody Tue Feb 10 04:08:10 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=1661175002; cv=none; d=zohomail.com; s=zohoarc; b=jUaosy7LrQNhKXNxGWepW1Lg1s+vA9oNy8yc9Q4GM5Rg5OB8PtMP+sy4QdyD6yfLhf4P0b+XQgIWKrBLoDFkchJ1pAdkjA9be7TK1qtFKDRh/XT+eUlrBosEH64Z8N8zHgBMBR0dvn1KPy1wYAxWbgkKsZMHwK/Tqo9xgihCPXw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1661175002; 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=fYJRGJbHqfyzGRsSKt0/Tu4Z570kNymq2RC3ejv5XA8=; b=Cdx6zLTTSl75iaYAJW4Og07CwCpJOFVwfgdlDYf2fSHYAhOm2aLwaEBvLTQiKmkl272+8fgX1qkcfoYKD0TTw7fTPRxplb7o7m2PcKr7+XZlfJqRu5Ma7EqAZICpVuEHoBfjwFarM9IxNU9A8kfEuVRJ4M2nw3N0t42Iy8ohLqc= 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 1661175002971953.7679017998887; Mon, 22 Aug 2022 06:30:02 -0700 (PDT) Received: from localhost ([::1]:38802 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oQ7VA-0006l4-Qy for importer@patchew.org; Mon, 22 Aug 2022 09:30:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58694) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oQ7PS-0005s8-4i for qemu-devel@nongnu.org; Mon, 22 Aug 2022 09:24:06 -0400 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]:41717) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oQ7PQ-0001di-0k for qemu-devel@nongnu.org; Mon, 22 Aug 2022 09:24:05 -0400 Received: by mail-wr1-x42a.google.com with SMTP id h24so13201125wrb.8 for ; Mon, 22 Aug 2022 06:24:02 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id f12-20020adff98c000000b0021f13097d6csm11527946wrr.16.2022.08.22.06.24.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Aug 2022 06:24:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=fYJRGJbHqfyzGRsSKt0/Tu4Z570kNymq2RC3ejv5XA8=; b=MQDLFPdiGKea+u64F0TyqoyISPHhSQtA1tHINcj2Q/HOxEX5f/QIt22vzWa+YZXrwM kCdf4d1evxnE4JEp0B+vkPrIV2kMA3WMwR28F2toIOdj8dtEMOhl6rNhY4pSlEA2Isq+ H2xNh/y7pvqcTDtF30E10DfYoUx6oR/+7Yk3cwkRq9D2YC9tlGnP675GQFfq80di/zQM fJ7Ni8lhTZJ2oan6pJY6QNs3lt3oaOqle8cvARkbhFpsIEgjxIGca9QR/6PCQ/NbyY4E JltVFEGl+HtrIjYewmMHSgQPl7ZSgltJyS0cUHre4QnN/Av781Ty+omKM/5wFNx2mwpu b5zQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=fYJRGJbHqfyzGRsSKt0/Tu4Z570kNymq2RC3ejv5XA8=; b=o8m0droPTTmDzc8O+U7xxyWtQzAQI3C4Dp+R8HSPHX32/1pWB5M+cqUi/dXwu3+eC9 VU0aLTVIWU0kJ83H97xFm8gZPkYE/JeQLrPkAtubchwHuhOXwQRlkaQT4IdmFfuDGiAc 8l4RfhWyv5U444TlUd/1nBeU6u7CH7e0GrkaW4tvsHXI13gtWumVy2VFrYasi7e3wiJS PAriAsTbcqlnmZpJaHWtzrrVNorGNSQreqXtzIjzOxrQ2LLi3zsPSTRwfa6faO445v9O LsSwM4/4GnKMiCBc3FXCwYCSszXkDulvexq73QHAoJDdPRtXj84l8DGLRMc3MSOi/VJ7 s4/g== X-Gm-Message-State: ACgBeo0Na4wT/68ZTbRHbzMwg1YqgUv9kFHC/TJHiDY5mM0WoeibSEX3 ki2FLUOut0yMIW8cerrr5ShDYLdiCYTRnA== X-Google-Smtp-Source: AA6agR7Mm3R780kpiDrq1nGQY2A0RcuAQxS8PemB/ZF+ILQoW3HQ3jMo12cNj3x3B5kXZR29UUgizw== X-Received: by 2002:adf:fb4c:0:b0:225:2033:b745 with SMTP id c12-20020adffb4c000000b002252033b745mr10272553wrs.447.1661174641624; Mon, 22 Aug 2022 06:24:01 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PATCH v2 01/10] target/arm: Don't corrupt high half of PMOVSR when cycle counter overflows Date: Mon, 22 Aug 2022 14:23:49 +0100 Message-Id: <20220822132358.3524971-2-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220822132358.3524971-1-peter.maydell@linaro.org> References: <20220822132358.3524971-1-peter.maydell@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=2a00:1450:4864:20::42a; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42a.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=unavailable 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: 1661175004446100001 Content-Type: text/plain; charset="utf-8" When the cycle counter overflows, we are intended to set bit 31 in PMOVSR to indicate this. However a missing ULL suffix means that we end up setting all of bits 63-31. Fix the bug. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index d7bc467a2a5..87c89748954 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -1186,7 +1186,7 @@ static void pmccntr_op_start(CPUARMState *env) uint64_t overflow_mask =3D env->cp15.c9_pmcr & PMCRLC ? \ 1ull << 63 : 1ull << 31; if (env->cp15.c15_ccnt & ~new_pmccntr & overflow_mask) { - env->cp15.c9_pmovsr |=3D (1 << 31); + env->cp15.c9_pmovsr |=3D (1ULL << 31); pmu_update_irq(env); } =20 --=20 2.25.1