From patchwork Sun Jun 23 11:57:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 1951195 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (4096-bit key; unprotected) header.d=ilande.co.uk header.i=@ilande.co.uk header.a=rsa-sha256 header.s=20220518 header.b=yjgekzos; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W6V3Q0RRPz20XG for ; Sun, 23 Jun 2024 21:58:09 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sLLqW-0002js-0R; Sun, 23 Jun 2024 07:57:24 -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 1sLLqU-0002j8-3o for qemu-devel@nongnu.org; Sun, 23 Jun 2024 07:57:22 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sLLqS-0003Z9-Ho for qemu-devel@nongnu.org; Sun, 23 Jun 2024 07:57:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:MIME-Version: Message-Id:Date:To:From:Sender:Reply-To:Cc:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References; bh=6m4pndhvEEGb/KsMnXUlAPgJn0IM+aTr6p0i/RohjqY=; b=yjgekzosKC8Lkb7D7pqotBe7iz fiVY4bpBrnAXSwNuirBT7+Ah+MOjX5na+lPQpdNnGf/Tfb0J2SMxUn4IenlGOqbhdtCkvkQkJtsSu xg/63naBbIQyKzWEdssrWSnY14jQp/GD2soLUNOS/Ag+25LMSRBX8VFFvSAu5+zBgtFwYUelwxz2a LSWxGhxly9xGvLS77hDUttG37FjUixqfp7jZwBJTp1B2FwDhvN0oGxBZks+fUnduQrspzFA6fNGw3 Oo0uNVTWhPKJTTFJCCyiChRRUQAmmErdwkQGBvIAjArsECv4FqGaBscs+AKuK1/yNIRqNchxpw2wi vCnL1aV0qJOrk8uJahga0UAkBgrStJZV01AxZ4Yi7kQGsbR7itSn94JRMOQOTydV+prZUTr5nOWqX c4Pqfj0YW5z8n8+socoePJ8BhyjmvGKbPNJklzqcLQt3I9/Eql2/3p9h7pIZkm+9JxvdRZTXFPQqD XlnZ4WgvKE2c8200nRu2+U0BO02PXz25FJss4g95apMhmeH6kpmGCCU/KZeHeCb9QRxoXIqrL/Udd yw4Vg0JkyT5/YFnZcpJ5w2oZraFyesT93SZnSEmIv+42HO7nWhqXZXCAnYU2EY97WAGtssvddN+H8 z+VTSVg3zhEZ8UOkk9DdIt3WF8XXjIcSvYX/vjTVo=; Received: from [2a00:23c4:8bb4:4000:e8db:395:a8c5:fda6] (helo=localhost.localdomain) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sLLp2-00080P-1T; Sun, 23 Jun 2024 12:55:56 +0100 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, laurent@vivier.eu Date: Sun, 23 Jun 2024 12:57:02 +0100 Message-Id: <20240623115704.315645-1-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a00:23c4:8bb4:4000:e8db:395:a8c5:fda6 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH 0/2] target/m68k: implement unaligned accesses for m68k CPUs X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk 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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This series implements unaligned accesses for early m68k CPUs that do not support word/long accesses at byte granularity. Patch 1 implements the do_unaligned_access function for m68k CPUs, whilst patch 2 is based upon a prototype patch developed by Laurent as part of Gitlab Issue #2165. Signed-off-by: Mark Cave-Ayland Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2165 Mark Cave-Ayland (2): target/m68k: implement do_unaligned_access callback for m68k CPUs target/m68k: pass alignment into TCG memory load/store routines target/m68k/cpu.c | 1 + target/m68k/cpu.h | 4 ++++ target/m68k/op_helper.c | 11 +++++++++++ target/m68k/translate.c | 18 +++++++++++++++--- 4 files changed, 31 insertions(+), 3 deletions(-)