From nobody Fri Nov 14 19:42:29 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1761631529; cv=none; d=zohomail.com; s=zohoarc; b=YSaTlei+GYeEpAxG6WDH9PMDKKRNNsnOe0g7PkPTurFBlxA6CPb2vE+HXcDZ13lZwyJBLuS40NjdBhMKMGwFp6cxfWsiPz8G+ttCJUoCi58jULS3zS7F1OqVhoLCOPAqEw0Jj2CZOTGCZrQNjI/QaC2rB2nvDqXmE3vQvQoqsTs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1761631529; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=5rAlH1/lu+rh7awee2lje3uE1FvJDSXtcSFDkovTFo0=; b=Twz0Fjhz8NczA4ucX3LcjN9i6mqyM9x7a2c7AKQRln1FxgOy4y2xQki4D6zEdGu96NGLoB5dNDyc+7PI/hxrq3i8wxA1c4wbJaRl96SXKAa3KdohW5lZRBmcQPmU2by2s0EAiKNUI0V8+deAZMZEVibt895Cryos4KvIrROSbsQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1761631529216275.80534968804704; Mon, 27 Oct 2025 23:05:29 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vDcpV-00053T-4M; Tue, 28 Oct 2025 02:05:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vDcpC-0004zj-AA for qemu-devel@nongnu.org; Tue, 28 Oct 2025 02:04:55 -0400 Received: from mail-wr1-x42b.google.com ([2a00:1450:4864:20::42b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vDcp9-0005n9-Tn for qemu-devel@nongnu.org; Tue, 28 Oct 2025 02:04:53 -0400 Received: by mail-wr1-x42b.google.com with SMTP id ffacd0b85a97d-421851bcb25so3375441f8f.2 for ; Mon, 27 Oct 2025 23:04:51 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952db80fsm17842412f8f.31.2025.10.27.23.04.47 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 27 Oct 2025 23:04:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1761631490; x=1762236290; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5rAlH1/lu+rh7awee2lje3uE1FvJDSXtcSFDkovTFo0=; b=Ey/HZHUlloaZ/2+tZX7OQk9yvqOv4MQ3aukkEh84FqpBVvtLCRNrjJG21aCs8b8S6n f9w5MH5vAaBQSt0ISRdam0GqqKcnmBUwXcwV5QwopJ+WITSIPLvLR/w1RLY0VRBwQcNg fAtCrFtRLl5juTYzLQ2QXM36pPbfsro7Mb8fWKt0o8f77/5J95KNPdtWU6E7c3lHhyOa qJOcOlbjT8rKcQqizPb5i+yTZ3HS0pWGgmD2KbBxDUwTpmf8qbaX/qxZldAgygpGteRZ XBjxBGAM0E3MCGrlwtvCfvHisZHuPxXuVQBsNZuYTMEF49ByxZyzlynzw4ly/OCRSwrZ VU9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761631490; x=1762236290; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5rAlH1/lu+rh7awee2lje3uE1FvJDSXtcSFDkovTFo0=; b=kzUn2xQoMvUI1AE6OARMTcKnynalNsXkbB7ye/2DDWoAXdrNRz38OQZPDAh4JUxGPS f42AraaXYvSqDzWr3GQkcdW/aZ09+FQsGg1UJK5CxZFOYnM5ZWYa1aigNA4hkAl8aJ/9 s4GTn5MIwj190Jr3cnYH/t1Drnj6A60f5GI+0iSeewi7WFTWVCddXqxvOaVlaa2dvsmA GhwRo4DM+SAgUXGeLa20+AumgNwnrpHFBLh7bga5SqByx8qH5tbXDoQXbKoGGS4BokH6 NH+mGq9hNuX9CNs6GYjKAkbDCO7Dy/XvkJK2rMzzpfHLdZ8Ttb+ET/aUyNKio/RVP1fA utrA== X-Gm-Message-State: AOJu0YyDJDvi97fDvZ2v4zEyJv8Jtq7h9+tnSZxXD1ho095UrxPabICr kglPFyPfwFT/RPf9EJmVqsmFGU2Re9PeBFfNeWZe5AZD5RjbtI0ldsfGnJbp4bwpGTGpXg3LrKD x5MpjDd8= X-Gm-Gg: ASbGnctvf62uY7t99IzxpXA+gEQDQQCqqbBQd8jG6rJHWbSJUVUR10unN0eKlTA/+eu 6byojie9i9s54N/uXzmL8H+AFe1Q0suNV+H+XyMk+4dp8kDPbus+G8VZKVP6SWVNnk7/s0UYOi0 G8kOURQewCFa2AhHahM8fAIcyJpx0Tp01bXxLcRChH4ujvwQDCEN6ZRbimikCyO7UYsvU83Y2wK aZRDZKBgZvSb5tqwDIFUEAK20J9URe6Lsvwl/ZfCnGkee1hPdOO3C+ng6oDb1J43mHd2xfu3nYd hEiXFiI+ut/BZl7AeCDKVKSO20KKWA6PA1qTUJXDvlVUIOHeZMKZ+c7Uakwi9nV84zfmhRh5NRq puk9pYFkqPUh/ruGxS4eKn9ZdAmNnvYQvCae6jRRJq7kr9+W3rORU3UAXzOEjs0vfhk7oD9MfxV 0NicQmOhNgtJdncE1U/5X0EDw5gR34Sfa/GggA+s8CjvnJ3vHn+m0oATVU5CY/nVoygA== X-Google-Smtp-Source: AGHT+IG8zkd+TJv5KiWfrzhXB6ZTjqoPB1XyO0nMC8KbMR1x7q52BJzIfXG/0i5W8BVCYWo1X+isoQ== X-Received: by 2002:a05:6000:430a:b0:425:75c6:7125 with SMTP id ffacd0b85a97d-429a7e59dd4mr1695553f8f.16.1761631489856; Mon, 27 Oct 2025 23:04:49 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Mads Ynddal , Cameron Esfahani , qemu-arm@nongnu.org, Roman Bolshakov , Akihiko Odaki , Phil Dennis-Jordan , Mohamed Mediouni , Peter Collingbourne , Peter Maydell , Alexander Graf , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v3 31/59] accel/hvf: Create hvf_protect_clean_range, hvf_unprotect_dirty_range Date: Tue, 28 Oct 2025 06:42:07 +0100 Message-ID: <20251028054238.14949-32-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251028054238.14949-1-philmd@linaro.org> References: <20251028054238.14949-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42b; envelope-from=philmd@linaro.org; helo=mail-wr1-x42b.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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1761631534942158500 From: Richard Henderson Signed-off-by: Richard Henderson Tested-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/system/hvf_int.h | 3 +++ accel/hvf/hvf-all.c | 25 +++++++++++++++++++++++++ accel/hvf/trace-events | 1 + 3 files changed, 29 insertions(+) diff --git a/include/system/hvf_int.h b/include/system/hvf_int.h index 3d2be4092ef..5a57691885f 100644 --- a/include/system/hvf_int.h +++ b/include/system/hvf_int.h @@ -89,6 +89,9 @@ int hvf_arch_get_registers(CPUState *); /* Must be called by the owning thread */ void hvf_arch_update_guest_debug(CPUState *cpu); =20 +void hvf_protect_clean_range(hwaddr addr, size_t size); +void hvf_unprotect_dirty_range(hwaddr addr, size_t size); + struct hvf_sw_breakpoint { vaddr pc; vaddr saved_insn; diff --git a/accel/hvf/hvf-all.c b/accel/hvf/hvf-all.c index 0a4b498e836..e13abddbd9c 100644 --- a/accel/hvf/hvf-all.c +++ b/accel/hvf/hvf-all.c @@ -58,6 +58,31 @@ void assert_hvf_ok_impl(hv_return_t ret, const char *fil= e, unsigned int line, abort(); } =20 +static void do_hv_vm_protect(hwaddr start, size_t size, + hv_memory_flags_t flags) +{ + hv_return_t ret; + + trace_hvf_vm_protect(start, size, flags, + flags & HV_MEMORY_READ ? 'R' : '-', + flags & HV_MEMORY_WRITE ? 'W' : '-', + flags & HV_MEMORY_EXEC ? 'X' : '-'); + + ret =3D hv_vm_protect(start, size, flags); + assert_hvf_ok(ret); +} + +void hvf_protect_clean_range(hwaddr addr, size_t size) +{ + do_hv_vm_protect(addr, size, HV_MEMORY_READ | HV_MEMORY_EXEC); +} + +void hvf_unprotect_dirty_range(hwaddr addr, size_t size) +{ + do_hv_vm_protect(addr, size, + HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC); +} + static int do_hvf_set_memory(hvf_slot *slot, hv_memory_flags_t flags) { struct mac_slot *macslot; diff --git a/accel/hvf/trace-events b/accel/hvf/trace-events index 2fd3e127c74..f989da59492 100644 --- a/accel/hvf/trace-events +++ b/accel/hvf/trace-events @@ -5,3 +5,4 @@ # hvf-accel-ops.c hvf_vm_map(uint64_t paddr, uint64_t size, void *vaddr, uint8_t flags, cons= t char r, const char w, const char e) "paddr:0x%016"PRIx64" size:0x%08"PRIx= 64" vaddr:%p flags:0x%02x/%c%c%c" hvf_vm_unmap(uint64_t paddr, uint64_t size) "paddr:0x%016"PRIx64" size:0x%= 08"PRIx64 +hvf_vm_protect(uint64_t paddr, size_t size, uint8_t flags, const char r, c= onst char w, const char e) "paddr:0x%016"PRIx64" size:0x%08zx flags:0x%02x/= %c%c%c" --=20 2.51.0