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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 6B4F8C38A2A for ; Fri, 8 May 2020 15:46:11 +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 358F42173E for ; Fri, 8 May 2020 15:46:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="flR+XRqH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 358F42173E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47924 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jX5CU-0001A6-Bo for qemu-devel@archiver.kernel.org; Fri, 08 May 2020 11:46:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41200) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jX5AZ-0007YL-Pv for qemu-devel@nongnu.org; Fri, 08 May 2020 11:44:11 -0400 Received: from mail-pl1-x642.google.com ([2607:f8b0:4864:20::642]:36043) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jX5AY-00050V-VM for qemu-devel@nongnu.org; Fri, 08 May 2020 11:44:11 -0400 Received: by mail-pl1-x642.google.com with SMTP id f15so890626plr.3 for ; Fri, 08 May 2020 08:44:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=60NHpUUrot7w8V6Qsa37kh//ITveCZoOpAk4TR6uozc=; b=flR+XRqHuuazMereqgSOR04jcBmcjTUaPIMlPBoqVlvOdNAU0kaCasfr7f/7oeU3bv OY2cnbTrwj5hdTYZvTkVcS/lBBUlo+3pKgx4Lg8jzSgR/rGSMqQ/cBI0DOuyaxW/yQ+d DVb/eCytAzKGpi6R3l8N0jUhbZN63n4YdagiBrrk5pFmqa6LRu9C8J43f+6Ym21cMsIT fmjwLQJR1xgt8Y+wZjMNdrlL78E1p8oE4PErVzjSlTqxmrbCfizwuXmIn8ELZ8sWt4mN 8tr7f19X2tab8MEi0Q4NJUq8Cc9+qwSBS+d0AqlvFBEDAu8HmNPhPxYImoYdwxTIQJwz nvrw== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=60NHpUUrot7w8V6Qsa37kh//ITveCZoOpAk4TR6uozc=; b=anzBrduZ1YLGVahAGpMwiMhDAHDk6/MLF3wT7bk4JuCN/8yLiEMOqayUCW8qEVUAbQ ioUlngz6qKeSkeQjDpVy7fj/yrnOnwMTD4ROnU1JYInSYCKKUNahVqTDQBfNlPv5GHwz Olas5TerU3Pq4FzJNk0s333zQie/Ht9N1vOH3jiaOQW3Wzak7WdRhH3NkrUzS7JH6XW8 CuP2nzoHIANmXyyqhFkEYxVns5U2oXeU++HC9GoJOcLvEDO7JK2VY4m5XRU0mXLJ+9+C ILGiqs8eQI3O4BL6rQ51qMRMnfSjBcxX9rTpv+BxG8OC/qQEDoAwaTlVnMmRxkD2jKmg snww== X-Gm-Message-State: AGi0Pub/O8AXyA0oJE7ztBaTTW9fjnc29KOhZW07s2lLbeKgMNbIok8R PSZjV1qCTvDEtGroOE+a0IKShMMmOGw= X-Google-Smtp-Source: APiQypK+Vno/T4DJmwHow5vI/R3dt1dRexyB9OZF9QcrRaH2RvJWqtXEt+1a4SgqtBnnWH0TsXZQxg== X-Received: by 2002:a17:90a:c297:: with SMTP id f23mr6236149pjt.21.1588952648845; Fri, 08 May 2020 08:44:08 -0700 (PDT) Received: from localhost.localdomain (174-21-149-226.tukw.qwest.net. [174.21.149.226]) by smtp.gmail.com with ESMTPSA id o99sm2727662pjo.8.2020.05.08.08.44.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2020 08:44:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 01/19] exec: Add block comments for watchpoint routines Date: Fri, 8 May 2020 08:43:41 -0700 Message-Id: <20200508154359.7494-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200508154359.7494-1-richard.henderson@linaro.org> References: <20200508154359.7494-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::642; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x642.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: peter.maydell@linaro.org, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- include/hw/core/cpu.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 5bf94d28cf..07f7698155 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -1100,8 +1100,31 @@ int cpu_watchpoint_remove(CPUState *cpu, vaddr addr, vaddr len, int flags); void cpu_watchpoint_remove_by_ref(CPUState *cpu, CPUWatchpoint *watchpoint); void cpu_watchpoint_remove_all(CPUState *cpu, int mask); + +/** + * cpu_check_watchpoint: + * @cpu: cpu context + * @addr: guest virtual address + * @len: access length + * @attrs: memory access attributes + * @flags: watchpoint access type + * @ra: unwind return address + * + * Check for a watchpoint hit in [addr, addr+len) of the type + * specified by @flags. Exit via exception with a hit. + */ void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len, MemTxAttrs attrs, int flags, uintptr_t ra); + +/** + * cpu_watchpoint_address_matches: + * @cpu: cpu context + * @addr: guest virtual address + * @len: access length + * + * Return the watchpoint flags that apply to [addr, addr+len). + * If no watchpoint is registered for the range, the result is 0. + */ int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len); #endif -- 2.20.1