From nobody Mon Feb 9 18:45:59 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=163.com ARC-Seal: i=1; a=rsa-sha256; t=1555772266; cv=none; d=zoho.com; s=zohoarc; b=QBfvutD/0m30rR2YuY+hgbCIus0yx0aV03kny9xvOOzQuEVuoQj5Se3TLfsDpxEebwuJgOEglVlRCxFOVkpW4BWP2xXc2Vz3Cw/ky3HmJ+OO+oapZr7ZFML9ws8wrez4LlGnv2L7rzwLNqEwwyKlsNkm6joo+hwSRPP2FTo2N84= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555772266; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=lgkdDMul6cYmcPejZ/UePeaPFgmTCIP83JKHfVUUsqY=; b=nrDtUbnNNpRaStm4gY1zLhjO2muz1VtPgJ413kjz567hlJAp5+FMJpha2TIZIT0eCumBU58xUN6RCK+fR2GYEEeyiAVOeisDnLBoXRCiO8C8tc1EGTpyySNiUfowRsCgi+8N3UsmFB77ZRIqHVgr7CXsmyr9Cw4EhiibkBQlcFg= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555772266377639.6831222130961; Sat, 20 Apr 2019 07:57:46 -0700 (PDT) Received: from localhost ([127.0.0.1]:42220 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHrR3-0004jO-65 for importer@patchew.org; Sat, 20 Apr 2019 10:57:45 -0400 Received: from eggs.gnu.org ([209.51.188.92]:43784) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHrNi-0002CZ-Sk for qemu-devel@nongnu.org; Sat, 20 Apr 2019 10:54:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hHrL6-00019W-3A for qemu-devel@nongnu.org; Sat, 20 Apr 2019 10:51:36 -0400 Received: from m12-13.163.com ([220.181.12.13]:58461) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHrL5-00018V-0M for qemu-devel@nongnu.org; Sat, 20 Apr 2019 10:51:36 -0400 Received: from localhost.localdomain (unknown [183.159.69.175]) by smtp9 (Coremail) with SMTP id DcCowABXKKbvMbtc5Pi_Ag--.9861S5; Sat, 20 Apr 2019 22:51:33 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=lgkdDMul6cYmcPejZ/ UePeaPFgmTCIP83JKHfVUUsqY=; b=kyvqRbox3EZxQNuPmuCchOwtfyFf4Vpg0r a4gDyAH1HtCHqrt/QbOKrwUJGPuPydf/jLUyCNuSfiovJ/anVDuTRdiRCwzpuCCX a6WFDmg7lCAx+eWbj2qjsZsXrov5I0b8pwPzRI/d2WPKAE7neI3dwAtxOF1nho8s SO9XE2fr0= From: Li Qiang To: jslaby@suse.cz, pbonzini@redhat.com Date: Sat, 20 Apr 2019 07:51:20 -0700 Message-Id: <20190420145120.122847-4-liq3ea@163.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190420145120.122847-1-liq3ea@163.com> References: <20190420145120.122847-1-liq3ea@163.com> X-CM-TRANSID: DcCowABXKKbvMbtc5Pi_Ag--.9861S5 X-Coremail-Antispam: 1Uf129KBjvJXoW7tF43CF1UGr48KryDXF1rXrb_yoW8CrW7p3 45Grn3XF4FgFyfJ34Yyw4DXrn5GrnxtFWrK348CrsY9ay5WFs7CryDC34I9ryxWrySyr13 uFZYgF43uF4IvrJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j7TmfUUUUU= X-Originating-IP: [183.159.69.175] X-CM-SenderInfo: 5oltjvrd6rljoofrz/1tbiFBWcbVaD0UGUEwAAsy X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.13 Subject: [Qemu-devel] [PATCH 3/3] edu: uses uint64_t in dma operation X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Qiang , liq3ea@gmail.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The dma related variable is dma_addr_t, it is uint64_t in x64 platform. Change these usage from uint32_to uint64_t to avoid trancation. Signed-off-by: Li Qiang --- hw/misc/edu.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/hw/misc/edu.c b/hw/misc/edu.c index 4018dddcb8..b93a679adf 100644 --- a/hw/misc/edu.c +++ b/hw/misc/edu.c @@ -98,23 +98,23 @@ static void edu_lower_irq(EduState *edu, uint32_t val) } } =20 -static bool within(uint32_t addr, uint32_t start, uint32_t end) +static bool within(uint64_t addr, uint64_t start, uint64_t end) { return start <=3D addr && addr < end; } =20 -static void edu_check_range(uint32_t addr, uint32_t size1, uint32_t start, +static void edu_check_range(uint64_t addr, uint64_t size1, uint64_t start, uint32_t size2) { - uint32_t end1 =3D addr + size1; - uint32_t end2 =3D start + size2; + uint64_t end1 =3D addr + size1; + uint64_t end2 =3D start + size2; =20 if (within(addr, start, end2) && end1 > addr && within(end1, start, end2)) { return; } =20 - hw_error("EDU: DMA range 0x%.8x-0x%.8x out of bounds (0x%.8x-0x%.8x)!", + hw_error("EDU: DMA range 0x%.8lx-0x%.8lx out of bounds (0x%.8lx-0x%.8l= x)!", addr, end1 - 1, start, end2 - 1); } =20 @@ -139,13 +139,13 @@ static void edu_dma_timer(void *opaque) } =20 if (EDU_DMA_DIR(edu->dma.cmd) =3D=3D EDU_DMA_FROM_PCI) { - uint32_t dst =3D edu->dma.dst; + uint64_t dst =3D edu->dma.dst; edu_check_range(dst, edu->dma.cnt, DMA_START, DMA_SIZE); dst -=3D DMA_START; pci_dma_read(&edu->pdev, edu_clamp_addr(edu, edu->dma.src), edu->dma_buf + dst, edu->dma.cnt); } else { - uint32_t src =3D edu->dma.src; + uint64_t src =3D edu->dma.src; edu_check_range(src, edu->dma.cnt, DMA_START, DMA_SIZE); src -=3D DMA_START; pci_dma_write(&edu->pdev, edu_clamp_addr(edu, edu->dma.dst), --=20 2.17.1