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=-8.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 980DDC04A6B for ; Fri, 10 May 2019 16:46:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5912121479 for ; Fri, 10 May 2019 16:46:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="KcMN8NL/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5912121479 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=163.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:46676 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP8ew-00065d-GZ for qemu-devel@archiver.kernel.org; Fri, 10 May 2019 12:46:10 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47368) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP8d6-0004gO-Gl for qemu-devel@nongnu.org; Fri, 10 May 2019 12:44:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hP8d5-0002Wj-Fl for qemu-devel@nongnu.org; Fri, 10 May 2019 12:44:16 -0400 Received: from m12-13.163.com ([220.181.12.13]:46138) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hP8cx-0002Se-WA for qemu-devel@nongnu.org; Fri, 10 May 2019 12:44:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=QIasgmbFmQFh6heCmI oYYkbFdxWLVq+R+/WMqUG2ufw=; b=KcMN8NL/TEWg1qIbJjkXqrvWFqEdoC/lrA SPE8vMTrBcYanSqHa3xy5tPsHxILnCobWNE0UBWVg5XnM9Ro5ZRex7tZIW+3Lcz1 xiBLKxHniMsQSFte3sd7QJHNE3OrJDpnyyNdDxrflbKC9qtBPhQY7L9VO6LCBn38 F+1CfZih0= Received: from localhost.localdomain (unknown [183.159.64.133]) by smtp9 (Coremail) with SMTP id DcCowAB3fTFLqtVcVYWnCg--.3399S4; Sat, 11 May 2019 00:44:01 +0800 (CST) From: Li Qiang To: pbonzini@redhat.com, jslaby@suse.cz Date: Fri, 10 May 2019 09:43:48 -0700 Message-Id: <20190510164349.81507-3-liq3ea@163.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190510164349.81507-1-liq3ea@163.com> References: <20190510164349.81507-1-liq3ea@163.com> X-CM-TRANSID: DcCowAB3fTFLqtVcVYWnCg--.3399S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrZFWrCw18XrWDAw1fGw4rZrb_yoWxAwc_A3 y0ka9rZFWDKFy3CF12vFnxZr1UJw4rZryfua1Iqrs7ArZ8CrW8A34vgFnrGw47XrZxury8 Z3yDZFyvkr9IgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU8-18DUUUUU== X-Originating-IP: [183.159.64.133] X-CM-SenderInfo: 5oltjvrd6rljoofrz/xtbBLxGwbVUMJPd5SAAAsY X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.13 Subject: [Qemu-devel] [PATCH v4 2/3] edu: mmio: allow 64-bit access in read dispatch 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: liq3ea@gmail.com, philmd@redhat.com, qemu-devel@nongnu.org, Li Qiang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The edu spec says when address >= 0x80, the MMIO area can be accessed by 64-bit. Signed-off-by: Li Qiang Reviewed-by: Philippe Mathieu-Daude --- hw/misc/edu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/misc/edu.c b/hw/misc/edu.c index 65fc32b928..33de05141f 100644 --- a/hw/misc/edu.c +++ b/hw/misc/edu.c @@ -185,7 +185,11 @@ static uint64_t edu_mmio_read(void *opaque, hwaddr addr, unsigned size) EduState *edu = opaque; uint64_t val = ~0ULL; - if (size != 4) { + if (addr < 0x80 && size != 4) { + return val; + } + + if (addr >= 0x80 && size != 4 && size != 8) { return val; } -- 2.17.1