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 39B4DC433ED for ; Sun, 2 May 2021 20:12:06 +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 D6B606128E for ; Sun, 2 May 2021 20:12:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D6B606128E 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]:37978 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldIRh-0004Rd-0U for qemu-devel@archiver.kernel.org; Sun, 02 May 2021 16:12:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39982) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldIQY-00040w-3Y for qemu-devel@nongnu.org; Sun, 02 May 2021 16:10:54 -0400 Received: from mail-ej1-x62f.google.com ([2a00:1450:4864:20::62f]:39577) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ldIQW-0003Yp-Hi for qemu-devel@nongnu.org; Sun, 02 May 2021 16:10:53 -0400 Received: by mail-ej1-x62f.google.com with SMTP id f24so4847864ejc.6 for ; Sun, 02 May 2021 13:10:52 -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=GBf3AeDKj6YAb36vgBEoObxYW8oZ310ECU3OjP8uqqs=; b=tnOYbHh3uVueRRiJVn3OiZyWwjU8LgufeOzFL9k2nlbGigLdSCz0JkNvQV3SGqpsnE PIM+c1Er4V1VoAerr46nZit/JuGMweNswV4w4ZPBp6UAYu7cd45r/JUfIwV4kHZ2L5YJ DvZwsIQXQmKBg2HtYxan+keC3Ktm/IjB0w6NtETVUonp6tIB0qzOC1n0WgRu5v6lDTgH BphGb/eioLnUSfV6rkC/QAkxYup9kjCtqo60LrviDQ7DxeWEnNpddznnO9txjSAGVmzU 6w78VEvziAHO9q6vtluOmQqP3Mj+V2fxdGQkB+Bu83X9iBDIqpdF5rHOJaY7sZDvL0xy JJgw== 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=GBf3AeDKj6YAb36vgBEoObxYW8oZ310ECU3OjP8uqqs=; b=PkwAfxH4Jgi1nFtrY6Hi7kvdUynukwSzHl00bWq4lfHOnT/ba8qbwyh35/oAgfTqr2 icmc5hIzywT/GyXvVHRQgoEHPdcrgC4cdg1Dp78GjOBpu8+7lg5J95ewr3IT+Zx02ZX8 H4mfWUeiLsz0B3QHYgf66XNWrW1z5K8oMA/ep6fJ+O6UMr7qHThObojjgM6X1Qxd7aY6 SaXxVRfsIg0KtVTqs7NBy7DfyT58LCd7jXjMKp9wH8vkVJQ2uM0sxfLx1JG1nYGZYNbx IhgjJwsAoOXHXM1FMcOKcsPQ1pkDJ/jHMWfI+Ap3r67MrPvfanUEKqYUgll3VY/G/ipJ uzzQ== X-Gm-Message-State: AOAM531CdnN3YMV9G1msYdMDM2TvVMTZC7+/rWqIW5dtrloKzmr4B+Xd RoyP6AeW6LLo5l1rp+ceHv2DoB9Q8Ie2Cw== X-Google-Smtp-Source: ABdhPJza47BXybmKi2+ySa5MbLIhI/3bkIIrcja82G4GqG1eGF5hByYlpkiFKN2U/4xWPfhr8+grsg== X-Received: by 2002:a17:906:a295:: with SMTP id i21mr13616036ejz.160.1619986250975; Sun, 02 May 2021 13:10:50 -0700 (PDT) Received: from mrolnik-NUC10i7FNH.mynet ([2001:4df4:30e:9b00:8f7:3de1:39e4:6675]) by smtp.gmail.com with ESMTPSA id p22sm11032255edr.4.2021.05.02.13.10.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 May 2021 13:10:50 -0700 (PDT) From: Michael Rolnik To: qemu-devel@nongnu.org Subject: [RFC 0/1] Implement AVR WDT (watchdog timer) Date: Sun, 2 May 2021 23:10:38 +0300 Message-Id: <20210502201040.52296-1-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::62f; envelope-from=mrolnik@gmail.com; helo=mail-ej1-x62f.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 | 190 ++++++++++++++++++++++++++++++++++ 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, 271 insertions(+), 5 deletions(-) create mode 100644 hw/watchdog/avr_wdt.c create mode 100644 include/hw/watchdog/avr_wdt.h -- 2.25.1