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,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 8D9D1C433B4 for ; Sat, 1 May 2021 07:26:26 +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 E64BC613F0 for ; Sat, 1 May 2021 07:26:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E64BC613F0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42312 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lck1A-0008BY-V6 for qemu-devel@archiver.kernel.org; Sat, 01 May 2021 03:26:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59502) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcjze-0006u6-04; Sat, 01 May 2021 03:24:50 -0400 Received: from mail-pj1-x1036.google.com ([2607:f8b0:4864:20::1036]:45853) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lcjzb-0003Uh-3u; Sat, 01 May 2021 03:24:49 -0400 Received: by mail-pj1-x1036.google.com with SMTP id gc22-20020a17090b3116b02901558435aec1so505843pjb.4; Sat, 01 May 2021 00:24:45 -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=zfvkNQcRZO6ExgWxh+A+1DOQQc5CbIZINDKG9+kk75o=; b=BTKPNTUm1WKrKPfzVVcJzk2272pSNyclQAaOBxVF2nXeFPgwZmuuJlAKV5oNJE9May 4HCLBLPoj1F7H6Q6WAOmYUxEfBMCVNiDqDCxWWSNUlq7K9GBve2ynMVpVqk5AQWDX+ko CAiryii+ftIGtO/JvDx0pbI4DCDvXrLXGVc1BVtPwLW0O3XRadyT4/iJRiDhico9VLKQ 0qLnJkn5mesU4IYfrWIOtVt1MUq0cfecWJmafjLaSDBsBktUn6F4/KEuZeX9n8u4Tl20 XYqH7ZY8tcNHqHUtS3Lvr7mld+ojEzzovM11ArW5rMZ5ThOQi1nlEiO+EImoyPjMCtZF a9nw== 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=zfvkNQcRZO6ExgWxh+A+1DOQQc5CbIZINDKG9+kk75o=; b=oLjErObaj5awfmFJcuIlK59GpiO1iaGn5KHZpDz+6hDx/5Cw+NxEIIoKHvrLNSAz+c U7+6zT0gSZ0WV16ZwJLqs+z9SlodNSgoCvwPMUNC6PjR0hDovcdDiD0S1kqdBhq42Mq9 Ypa8H7INGKxpe7kT8BFycgBT8to2LngIG/ldDsTnyEJDlou8dL9hZg5Qptu+LIYyT9AJ wJu/0ltpTodIe2P20/zLiAh9DqzVT4QjdhGdu4PySzzWSrFk9E00s6b12z2c/JzsJCs/ StOa/9Tf9RgSwek1mIBRoClVgc00e08sW6BR3VbrASnu/duk1m+rlrDM4U73da3U3/9N 5xxw== X-Gm-Message-State: AOAM530z3R55zaBj6hB0o0aSm6GzDz/sfIirDjuM1twf+YNSkcZemjQg 4VszlnExUdclDirD4x3UrM0WnAwDlqU= X-Google-Smtp-Source: ABdhPJzr16aTJ4TMOXSODmFgv+YVyfQb4SmVXAldJzigUwVaHOtNYRFLOEtgGfziwhNohdU+iRbAdQ== X-Received: by 2002:a17:902:c404:b029:ea:f0a9:6060 with SMTP id k4-20020a170902c404b02900eaf0a96060mr9283352plk.9.1619853884406; Sat, 01 May 2021 00:24:44 -0700 (PDT) Received: from bobo.ibm.com ([61.68.127.20]) by smtp.gmail.com with ESMTPSA id 14sm3868577pfi.145.2021.05.01.00.24.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 May 2021 00:24:44 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Subject: [PATCH 0/2] ppc: rework AIL logic, add POWER10 exception model Date: Sat, 1 May 2021 17:24:33 +1000 Message-Id: <20210501072436.145444-1-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1036; envelope-from=npiggin@gmail.com; helo=mail-pj1-x1036.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, 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: Fabiano Rosas , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , qemu-devel@nongnu.org, Nicholas Piggin , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Here are the last 2 patches of this series rebased on the ppc-for-6.1 tree. I've tidied up the comments and control flow around the reserved values of AIL, so different behaviours/reasons are treated individually which hopefully addresses David's comments. On real hardware, setting LPCR[AIL] to a reserved value (e.g., 1 on POWER9) causes the register to retain that value but it's treated like 0, which matches what the patch does. Thanks, Nick Nicholas Piggin (2): target/ppc: rework AIL logic in interrupt delivery target/ppc: Add POWER10 exception model hw/ppc/spapr_hcall.c | 8 +- target/ppc/cpu-qom.h | 2 + target/ppc/cpu.h | 13 +- target/ppc/excp_helper.c | 217 +++++++++++++++++++++++--------- target/ppc/translate.c | 3 +- target/ppc/translate_init.c.inc | 4 +- 6 files changed, 171 insertions(+), 76 deletions(-) -- 2.23.0