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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 340E6F483CC for ; Mon, 23 Mar 2026 16:51:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w4iUV-0000BA-3u; Mon, 23 Mar 2026 12:50:59 -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 1w4iUO-00005e-Bp; Mon, 23 Mar 2026 12:50:52 -0400 Received: from m16.mail.163.com ([220.197.31.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w4iUH-0000H0-Su; Mon, 23 Mar 2026 12:50:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=5w TG5D7tlDMVTIGoMZqtLsa+6llUlkwvDFg7Y04EAYA=; b=qZfBZyzH8nS+2Kney0 QC8OiXKcjYfl7cgmeDZcuQGZlLqFbZi4INyLGl1KzOvQUKKbdCWRVE+GoESYXP2S aIyhJ1JL/DiRTblK8Byg7aaK6cQ+C820Yqa02L6psGv4JuFW7Rs1EGGqijzfeJiO L5ijkor6xclbcLqEMTh4nuaVY= Received: from dt-VM.localdomain (unknown []) by gzsmtp4 (Coremail) with SMTP id PygvCgAH5qxAb8FpwWGXTQ--.954S2; Tue, 24 Mar 2026 00:50:11 +0800 (CST) From: Tao Ding To: Peter Maydell , qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Tao Ding Subject: [PATCH v2 0/1] Fix transfer size register decrement Date: Tue, 24 Mar 2026 00:50:06 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: <7e7677f4-9cd9-4d33-995e-f7645786e1ce@163.com> References: <7e7677f4-9cd9-4d33-995e-f7645786e1ce@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: PygvCgAH5qxAb8FpwWGXTQ--.954S2 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvj4RiqXlUUUUU X-Originating-IP: [119.4.67.184] X-CM-SenderInfo: pglqw3tdrqkjqq6rljoofrz/xtbC-gO29GnBb0ObzQAA3t Received-SPF: pass client-ip=220.197.31.5; envelope-from=dingtao0430@163.com; helo=m16.mail.163.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org When source and destination widths are different, the transfer size register was not being decremented correctly, causing data corruption. Compared to the previous version(PATCH v1 2/3), simplified the code and the judgment of constraint relationships between size, swidth, and dwidth has been added. Tao Ding (1): Fix transfer size register decrement in pl080 hw/dma/pl080.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) base-commit: 8e711856d7639cbffa51405f2cc2366e3d9e3a23 -- 2.43.0