From patchwork Fri Mar 4 06:15:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 63515 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp291924lbc; Thu, 3 Mar 2016 22:19:09 -0800 (PST) X-Received: by 10.140.28.162 with SMTP id 31mr7952093qgz.81.1457072338651; Thu, 03 Mar 2016 22:18:58 -0800 (PST) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org. [192.237.175.120]) by mx.google.com with ESMTPS id a198si2319821qkb.68.2016.03.03.22.18.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 03 Mar 2016 22:18:58 -0800 (PST) Received-SPF: neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=neutral (google.com: 192.237.175.120 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.xenproject.org) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1abj3H-0005Td-52; Fri, 04 Mar 2016 06:17:27 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1abj3F-0005Ro-0M for xen-devel@lists.xen.org; Fri, 04 Mar 2016 06:17:25 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id 24/6A-02989-47829D65; Fri, 04 Mar 2016 06:17:24 +0000 X-Env-Sender: zhaoshenglong@huawei.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1457072224!28619176!1 X-Originating-IP: [58.251.152.64] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 8.11; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5532 invoked from network); 4 Mar 2016 06:17:22 -0000 Received: from szxga01-in.huawei.com (HELO szxga01-in.huawei.com) (58.251.152.64) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 4 Mar 2016 06:17:22 -0000 Received: from 172.24.1.49 (EHLO szxeml428-hub.china.huawei.com) ([172.24.1.49]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DFX12088; Fri, 04 Mar 2016 14:16:55 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml428-hub.china.huawei.com (10.82.67.183) with Microsoft SMTP Server id 14.3.235.1; Fri, 4 Mar 2016 14:16:29 +0800 From: Shannon Zhao To: Date: Fri, 4 Mar 2016 14:15:40 +0800 Message-ID: <1457072152-16128-11-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1457072152-16128-1-git-send-email-zhaoshenglong@huawei.com> References: <1457072152-16128-1-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=0001.0A020201.56D92858.01DF, 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: 04311b04d821a86602e1eb99a9accd62 Cc: hangaohuai@huawei.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org, zhaoshenglong@huawei.com Subject: [Xen-devel] [PATCH v5 10/22] arm/acpi: Map all other tables for Dom0 X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" From: Shannon Zhao Map all other tables to Dom0 using 1:1 mappings. Signed-off-by: Shannon Zhao Reviewed-by: Stefano Stabellini --- xen/arch/arm/domain_build.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index ea7d6a5..c71976c 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1357,6 +1357,30 @@ static int prepare_dtb(struct domain *d, struct kernel_info *kinfo) } #ifdef CONFIG_ACPI +static void acpi_map_other_tables(struct domain *d) +{ + int i; + unsigned long res; + u64 addr, size; + + /* Map all other tables to Dom0 using 1:1 mappings. */ + for( i = 0; i < acpi_gbl_root_table_list.count; i++ ) + { + addr = acpi_gbl_root_table_list.tables[i].address; + size = acpi_gbl_root_table_list.tables[i].length; + res = map_regions_rw(d, + paddr_to_pfn(addr & PAGE_MASK), + DIV_ROUND_UP(size, PAGE_SIZE), + paddr_to_pfn(addr & PAGE_MASK)); + if ( res ) + { + panic(XENLOG_ERR "Unable to map 0x%"PRIx64 + " - 0x%"PRIx64" in domain \n", + addr & PAGE_MASK, PAGE_ALIGN(addr + size) - 1); + } + } +} + static int acpi_create_rsdp(struct domain *d, struct membank tbl_add[]) { @@ -1661,6 +1685,8 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo) if ( rc != 0 ) return rc; + acpi_map_other_tables(d); + return 0; } #else