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 9097AC433B4 for ; Sun, 2 May 2021 20:08:15 +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 13DE16128E for ; Sun, 2 May 2021 20:08:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 13DE16128E 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]:35048 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldINx-00034n-VO for qemu-devel@archiver.kernel.org; Sun, 02 May 2021 16:08:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39398) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldINE-0002Z2-2n for qemu-devel@nongnu.org; Sun, 02 May 2021 16:07:28 -0400 Received: from mail-ed1-x52f.google.com ([2a00:1450:4864:20::52f]:34586) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ldINA-0001KS-Ga for qemu-devel@nongnu.org; Sun, 02 May 2021 16:07:27 -0400 Received: by mail-ed1-x52f.google.com with SMTP id i3so4022956edt.1 for ; Sun, 02 May 2021 13:07:23 -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=B7atDk5Faf5vw/+84jFmPALmt3M+9CqHKID1soFk3Qs=; b=Yf+N8sVJWE9bTTwkmr7s6GFC7ZjnbhrXV7CL8zuUw5b6tKPbegrNvUnk9BM70pLOEH NlnFa/qS/jLol1n8uu2hq5KpgWGk6n85zwjDfWLNZQkZci8l5z4sua7sra/3c48vafvs Z1S2E/hb7x6tzc0DdS1ZB9itSugTfXlNhyDrQxJybQ9QPUfK1UqxRNgOG3mJJDTeY2j9 BYD9oR7FKBAmQaw+ri9pa3ObgiiYS/VXBI407M7VYSJ0fDHI+R/V8f1TaKFOGRwBf7gC 4P84SNeEe7t2d7ruJRwMrMS0PvKJHoCxFqraz0H8aZIKNnskLHXbE7nDcUxpk5OUqdz2 8WtQ== 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=B7atDk5Faf5vw/+84jFmPALmt3M+9CqHKID1soFk3Qs=; b=YuzATnBI04/E4auFn9FXfPCBrYn22s6E1eQGMYExi1MFmrb5AUGkHCTXlzvd35f13x HVnFt/EdFpKjPDL1blr2XDP8jpiRHpU54e+cE56Lp0i5D7sDd4Gz6Z6G1RaCmCi6vupt XXzh6MoA695QrHeevqBsn14iVdzxT8F5vod4XCp4L5d1tF+hZT8x+YykKlEOnML4itFh lTmk9v4t2gReD7b1MnLmAz48YHVC0ZMwmAtlDAmfTRT+MhRrZElZrLR29uZB3tql/nU2 O7Gp+KwDJYk1ps+uwF491A2Zy8OX60IXhBQm6XNtvQFsLmh/Dzm+RJ4XQXVWrOHKRqBC VF5A== X-Gm-Message-State: AOAM53350FCU6RejAPOIZS1+FgPUOCaSmCcFtvS8y2mdR/W9lc+LR+Xc NnNcqCRV0eQYKlsutWL1H4I2a39edMJT7Q== X-Google-Smtp-Source: ABdhPJxc1lwBqqsrHpXHfSkVhDir3uHEJWA2nNW9GI5AKMMpPQR5iJ5meZFbzRwPUGHMJl9++/WdAA== X-Received: by 2002:a05:6402:1013:: with SMTP id c19mr16810210edu.213.1619986041915; Sun, 02 May 2021 13:07:21 -0700 (PDT) Received: from mrolnik-NUC10i7FNH.mynet ([2001:4df4:30e:9b00:8f7:3de1:39e4:6675]) by smtp.gmail.com with ESMTPSA id t22sm10674646edw.29.2021.05.02.13.07.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 May 2021 13:07:21 -0700 (PDT) From: Michael Rolnik To: qemu-devel@nongnu.org Subject: [RFC 0/1] Implement AVR WDT (watchdog timer) Date: Sun, 2 May 2021 23:07:16 +0300 Message-Id: <20210502200717.48808-1-mrolnik@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::52f; envelope-from=mrolnik@gmail.com; helo=mail-ed1-x52f.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: Michael Rolnik , me@xcancerberox.com.ar, konrad@adacore.com, richard.henderson@linaro.org, f4bug@amsat.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 1. Initial implementation of AVR WDT There are two issues with this implementation so I need your help here a. when I configure the WDT to fire an interrupt every 15ms it actually happens every 6 instructions b. when I specify --icount shift=0 qemu stucks Michael Rolnik (1): Implement AVR watchdog timer hw/avr/Kconfig | 1 + hw/avr/atmega.c | 15 ++- hw/avr/atmega.h | 2 + hw/watchdog/Kconfig | 3 + hw/watchdog/avr_wdt.c | 188 ++++++++++++++++++++++++++++++++++ hw/watchdog/meson.build | 2 + hw/watchdog/trace-events | 5 + include/hw/watchdog/avr_wdt.h | 47 +++++++++ target/avr/cpu.c | 3 + target/avr/cpu.h | 1 + target/avr/helper.c | 7 +- 11 files changed, 269 insertions(+), 5 deletions(-) create mode 100644 hw/watchdog/avr_wdt.c create mode 100644 include/hw/watchdog/avr_wdt.h -- 2.25.1