From patchwork Sat Feb 27 00:23:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laszlo Ersek X-Patchwork-Id: 63128 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp145819lbc; Fri, 26 Feb 2016 16:24:07 -0800 (PST) X-Received: by 10.66.122.135 with SMTP id ls7mr6024393pab.59.1456532641145; Fri, 26 Feb 2016 16:24:01 -0800 (PST) Return-Path: Received: from ml01.01.org (ml01.01.org. [2001:19d0:306:5::1]) by mx.google.com with ESMTPS id w6si23109130pfi.99.2016.02.26.16.24.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Feb 2016 16:24:01 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 2001:19d0:306:5::1 as permitted sender) client-ip=2001:19d0:306:5::1; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 2001:19d0:306:5::1 as permitted sender) smtp.mailfrom=edk2-devel-bounces@lists.01.org Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 059451A1E53; Fri, 26 Feb 2016 16:24:03 -0800 (PST) X-Original-To: edk2-devel@ml01.01.org Delivered-To: edk2-devel@ml01.01.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 57A921A1E53 for ; Fri, 26 Feb 2016 16:24:02 -0800 (PST) Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 8AD258E3C0; Sat, 27 Feb 2016 00:23:56 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-113-45.phx2.redhat.com [10.3.113.45]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u1R0NdFZ026697; Fri, 26 Feb 2016 19:23:55 -0500 From: Laszlo Ersek To: edk2-devel-01 Date: Sat, 27 Feb 2016 01:23:28 +0100 Message-Id: <1456532616-32475-10-git-send-email-lersek@redhat.com> In-Reply-To: <1456532616-32475-1-git-send-email-lersek@redhat.com> References: <1456532616-32475-1-git-send-email-lersek@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Cc: Ruiyu Ni , Jordan Justen , Marcel Apfelbaum Subject: [edk2] [PATCH 09/17] OvmfPkg: PciHostBridgeLib: set RootBus->Segment X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" This is the first of the patches that set the fields of PCI_ROOT_BRIDGE. The structure is zero-filled as a precaution for later field additions. Here we set the Segment member explicitly to zero (so that any later customization can be easier). Cc: Jordan Justen Cc: Ruiyu Ni Cc: Marcel Apfelbaum Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek --- OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 + OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 8 ++++++++ 2 files changed, 9 insertions(+) -- 1.8.3.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf index b83693191261..096d728f3c61 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -39,6 +39,7 @@ [Packages] OvmfPkg/OvmfPkg.dec [LibraryClasses] + BaseMemoryLib DebugLib MemoryAllocationLib PciLib diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index ef841c085e85..7dd88e02283a 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -17,6 +17,7 @@ #include +#include #include #include #include @@ -65,6 +66,13 @@ InitRootBridge ( OUT PCI_ROOT_BRIDGE *RootBus ) { + // + // Be safe if other fields are added to PCI_ROOT_BRIDGE later. + // + ZeroMem (RootBus, sizeof *RootBus); + + RootBus->Segment = 0; + return EFI_OUT_OF_RESOURCES; }