From patchwork Sat Jan 23 09:19:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 60245 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp352322lbb; Sat, 23 Jan 2016 01:25:01 -0800 (PST) X-Received: by 10.194.77.137 with SMTP id s9mr7177283wjw.171.1453541085408; Sat, 23 Jan 2016 01:24:45 -0800 (PST) Return-Path: Received: from lists.xen.org (lists.xenproject.org. [50.57.142.19]) by mx.google.com with ESMTPS id b130si9948500wmc.41.2016.01.23.01.24.45 (version=TLS1 cipher=AES128-SHA bits=128/128); Sat, 23 Jan 2016 01:24:45 -0800 (PST) Received-SPF: neutral (google.com: 50.57.142.19 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) client-ip=50.57.142.19; Authentication-Results: mx.google.com; spf=neutral (google.com: 50.57.142.19 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) smtp.mailfrom=xen-devel-bounces@lists.xen.org Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aMuPD-0007cn-3X; Sat, 23 Jan 2016 09:22:51 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aMuPC-0007cK-0M for xen-devel@lists.xen.org; Sat, 23 Jan 2016 09:22:50 +0000 Received: from [85.158.143.35] by server-3.bemta-4.messagelabs.com id 05/1C-31122-96643A65; Sat, 23 Jan 2016 09:22:49 +0000 X-Env-Sender: zhaoshenglong@huawei.com X-Msg-Ref: server-6.tower-21.messagelabs.com!1453540964!11699469!1 X-Originating-IP: [119.145.14.65] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTE5LjE0NS4xNC42NSA9PiA3NzQ2Mw==\n X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 63891 invoked from network); 23 Jan 2016 09:22:48 -0000 Received: from szxga02-in.huawei.com (HELO szxga02-in.huawei.com) (119.145.14.65) by server-6.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 23 Jan 2016 09:22:48 -0000 Received: from 172.24.1.51 (EHLO szxeml427-hub.china.huawei.com) ([172.24.1.51]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DAK81948; Sat, 23 Jan 2016 17:22:21 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml427-hub.china.huawei.com (10.82.67.182) with Microsoft SMTP Server id 14.3.235.1; Sat, 23 Jan 2016 17:22:11 +0800 From: Shannon Zhao To: Date: Sat, 23 Jan 2016 17:19:53 +0800 Message-ID: <1453540813-15764-2-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1453540813-15764-1-git-send-email-zhaoshenglong@huawei.com> References: <1453540813-15764-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090201.56A3464D.00BB, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: b2fa60e23c517a7a97abf84a0b9ddefb Cc: ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com, peter.huangpeng@huawei.com, julien.grall@citrix.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org Subject: [Xen-devel] [PATCH v4 01/21] arm/acpi: Emulate io ports for arm X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org From: Shannon Zhao Add macros to emulate x86 style ports for arm. This avoids modification in common code for acpi. Here just print a warning on ARM. Signed-off-by: Shannon Zhao --- V4: print warning --- xen/include/asm-arm/arm64/io.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) -- 2.0.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel diff --git a/xen/include/asm-arm/arm64/io.h b/xen/include/asm-arm/arm64/io.h index 37abc47..ec5815d 100644 --- a/xen/include/asm-arm/arm64/io.h +++ b/xen/include/asm-arm/arm64/io.h @@ -20,6 +20,7 @@ #ifndef _ARM_ARM64_IO_H #define _ARM_ARM64_IO_H +#include #include /* @@ -109,4 +110,21 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) #define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); }) #define writeq(v,c) ({ __iowmb(); writeq_relaxed((v),(c)); }) +/* + * Emulate x86 io ports for ARM. + */ +static inline void __iomem * __armio(u64 addr) +{ + printk(XENLOG_G_WARNING "Can't access IO %lx\n", addr); + return (void __iomem *)addr; +} + +#define inb(c) ( readb( __armio(c) ) ) +#define inw(c) ( readw( __armio(c) ) ) +#define inl(c) ( readl( __armio(c) ) ) + +#define outb(v, c) ( writeb(v, __armio(c) ) ) +#define outw(v, c) ( writew(v, __armio(c) ) ) +#define outl(v, c) ( writel(v, __armio(c) ) ) + #endif /* _ARM_ARM64_IO_H */