From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAEC1C4338F for ; Tue, 24 Aug 2021 16:34:56 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B64826127B for ; Tue, 24 Aug 2021 16:34:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B64826127B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:33370 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIZO3-0006dC-Re for qemu-devel@archiver.kernel.org; Tue, 24 Aug 2021 12:34:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55744) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIZK5-0007Dj-Lj; Tue, 24 Aug 2021 12:30:49 -0400 Received: from mail-qt1-x82d.google.com ([2607:f8b0:4864:20::82d]:36601) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mIZK3-0008HC-Pj; Tue, 24 Aug 2021 12:30:49 -0400 Received: by mail-qt1-x82d.google.com with SMTP id t32so2017458qtc.3; Tue, 24 Aug 2021 09:30:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=bBT6Xdid8L437pKlUldOWHQAm3WHpbTeQnC5TtfJ7fI=; b=MppsoAZlYbe5R3NKipbsGWbdSESebUSyM9oErKCOMNmG8xEcRnXPKympdfbZzvfBGK QhNRD3MLwitiRkB8COgcSYAl1HlCkCghGmvd4qAMGgW2dCQkuSEuDm3ZTsCJupFLFROr /h8lo2rSlSyd4742MH2xHVb638QiNnfaq4OopwwegAQ30Ke2fFsbWwiAo8MU28+9pa6J QPF5GfjhoYjQH1LgSt2U5nB0WNVjdg9N8UpbL87ilqSvqWP0z+w7VyzA9LrpQnfnskVF FIfunrKq2kelRylP7jUOOffrBICxST6rpc6iQIDKu1ffNR4EQxx3vPWRWgjkR3ieC0NM X2/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=bBT6Xdid8L437pKlUldOWHQAm3WHpbTeQnC5TtfJ7fI=; b=WQxrtCfrODaKqlhRAOLjaky77tkUgH7O33l+Bnc+m6unwfg/RqVvmjBt3Imy7YPxmJ bZUhExAi3VTPAb3Q1MUZDjrva+swN9WtOmDT1ay+mtqpL0SelH2qlgbzCkQ86Hm+X2fO 3fnLxLYtt6K8kbA+O+joA0W7Pc9Z7ypTpi/P3evhFwGLyPfcAB3NFlSLtE2EE244muzB zlOCRp7i//2FdhwMgWtbRwmNi+XEY+fIRsEeJG9fnKZdOlzjmJUeO5k9eSwK8qRcXVB8 GGt4r22BM9Dw+xHANjaomMApw634gj4tXmCnuvEnZotLJJ9La44IyT6zmr6bvNwu6Gbj vfCg== X-Gm-Message-State: AOAM533I1YpPc7fU/mmkvaNO2iXhZez9DzAd48R+s8vdRQnmGKk4lK7q oYISY50Q5nQUC6FZzRjQTcQEdjWLteA= X-Google-Smtp-Source: ABdhPJzZin3WV7ycTZDdr66jmEtsDDG8NCrkIg7T7mp9hOi3M2KCiyS06pmc8VtMUxXwAme/zzXCcQ== X-Received: by 2002:ac8:7d0d:: with SMTP id g13mr12942511qtb.367.1629822644815; Tue, 24 Aug 2021 09:30:44 -0700 (PDT) Received: from rekt.ihost.com ([179.247.162.205]) by smtp.gmail.com with ESMTPSA id 75sm10951474qko.100.2021.08.24.09.30.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Aug 2021 09:30:44 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Subject: [PATCH v2 00/16] PMU-EBB support for PPC64 TCG Date: Tue, 24 Aug 2021 13:30:16 -0300 Message-Id: <20210824163032.394099-1-danielhb413@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::82d; envelope-from=danielhb413@gmail.com; helo=mail-qt1-x82d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: gustavo.romero@linaro.org, Daniel Henrique Barboza , richard.henderson@linaro.org, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi, This second version is considerably different than the first one. All changes were made based on review comments from David and Richard, along with some design changes I decided to make along the way. Patches were rebased using current David's ppc-for-6.2 tree. Changes from v1: - all patches: * ppc64-linux-user build tested - patches 1-3: * do not expose 'env->spr' to make MMCR0 access control * PMCC was added in hflags to make MMCR0 access control * do not use generalist functions with reg switches - patches 4-8: * helper file was renamed to 'power8_pmu.c' * no longer use icount to count instructions and cycles * cycle counting is now made using time intervals * instruction counting now uses a helper inside translate.c that counts instructions during translation block end * PM_RUN_INST_CMPL (insns completed with run latch) is now implemented accordingly * PM_CMPLU_STALL events were dropped - patches 9-11: * rfebb was implemented from scratch using decode tree - patches 12-16: * cycle overflow now uses 5 independent timers, one for each cycle capable counter * instruction overflow is now triggered via the translation.c helper * new patch (16): add capability to enable/disable cycle counter overflow when the PMU is running - documentation patch was dropped for now. I will re-send it when this work is more ironed out. v1 link: https://lists.gnu.org/archive/html/qemu-devel/2021-08/msg01477.html Daniel Henrique Barboza (13): target/ppc: add user write access control for PMU SPRs target/ppc: PMU basic cycle count for pseries TCG target/ppc/power8_pmu.c: enable PMC1-PMC4 events target/ppc: PMU: add instruction counting target/ppc/power8_pmu.c: add PM_RUN_INST_CMPL (0xFA) event target/ppc/power8_pmu.c: add PMC14/PMC56 counter freeze bits PPC64/TCG: Implement 'rfebb' instruction target/ppc/excp_helper.c: EBB handling adjustments target/ppc/power8_pmu.c: enable PMC1 counter negative overflow target/ppc/power8_pmu.c: cycles overflow with all PMCs target/ppc: PMU: insns counter negative overflow support target/ppc/translate: PMU: handle setting of PMCs while running target/ppc/power8_pmu.c: handle overflow bits when PMU is running Gustavo Romero (3): target/ppc: add user read functions for MMCR0 and MMCR2 target/ppc: add exclusive user write function for MMCR0 target/ppc: PMU Event-Based exception support hw/ppc/spapr_cpu_core.c | 6 + target/ppc/cpu.h | 55 ++- target/ppc/cpu_init.c | 36 +- target/ppc/excp_helper.c | 85 +++++ target/ppc/helper.h | 4 + target/ppc/helper_regs.c | 3 + target/ppc/insn32.decode | 5 + target/ppc/meson.build | 1 + target/ppc/power8_pmu.c | 467 +++++++++++++++++++++++++ target/ppc/power8_pmu.h | 25 ++ target/ppc/spr_tcg.h | 7 + target/ppc/translate.c | 218 ++++++++++++ target/ppc/translate/branch-impl.c.inc | 32 ++ 13 files changed, 925 insertions(+), 19 deletions(-) create mode 100644 target/ppc/power8_pmu.c create mode 100644 target/ppc/power8_pmu.h create mode 100644 target/ppc/translate/branch-impl.c.inc -- 2.31.1