From patchwork Mon Apr 8 14:23:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony PERARD X-Patchwork-Id: 10889639 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3178117E0 for ; Mon, 8 Apr 2019 14:29:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1AD412793B for ; Mon, 8 Apr 2019 14:29:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0FA9628385; Mon, 8 Apr 2019 14:29:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B8C622793B for ; Mon, 8 Apr 2019 14:29:44 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hDVFg-0002Cy-AX; Mon, 08 Apr 2019 14:28:00 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hDVFf-0002BO-0E for xen-devel@lists.xenproject.org; Mon, 08 Apr 2019 14:27:59 +0000 X-Inumbo-ID: 8191d258-5a0a-11e9-92d7-bc764e045a96 Received: from SMTP03.CITRIX.COM (unknown [162.221.156.55]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 8191d258-5a0a-11e9-92d7-bc764e045a96; Mon, 08 Apr 2019 14:27:58 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.60,325,1549929600"; d="scan'208";a="83010320" From: Anthony PERARD To: Date: Mon, 8 Apr 2019 15:23:48 +0100 Message-ID: <20190408142408.30419-12-anthony.perard@citrix.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190408142408.30419-1-anthony.perard@citrix.com> References: <20190408142408.30419-1-anthony.perard@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v2 11/31] OvmfPkg/XenPlatformPei: Use mXenHvmloaderInfo to get E820 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Ard Biesheuvel , Jordan Justen , Julien Grall , Anthony PERARD , xen-devel@lists.xenproject.org, Laszlo Ersek Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Use the already checked pointer mXenHvmloaderInfo to retrieve the E820 table produced by hvmloader. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Anthony PERARD --- OvmfPkg/XenPlatformPei/Xen.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/OvmfPkg/XenPlatformPei/Xen.c b/OvmfPkg/XenPlatformPei/Xen.c index a866641b67..df906b6be5 100644 --- a/OvmfPkg/XenPlatformPei/Xen.c +++ b/OvmfPkg/XenPlatformPei/Xen.c @@ -59,18 +59,18 @@ XenGetE820Map ( UINT32 *Count ) { - EFI_XEN_OVMF_INFO *Info = - (EFI_XEN_OVMF_INFO *)(UINTN) OVMF_INFO_PHYSICAL_ADDRESS; + // + // Get E820 produced by hvmloader + // + if (mXenHvmloaderInfo != NULL) { + ASSERT (mXenHvmloaderInfo->E820 < MAX_ADDRESS); + *Entries = (EFI_E820_ENTRY64 *)(UINTN) mXenHvmloaderInfo->E820; + *Count = mXenHvmloaderInfo->E820EntriesCount; - if (AsciiStrCmp ((CHAR8 *) Info->Signature, "XenHVMOVMF")) { - return EFI_NOT_FOUND; + return EFI_SUCCESS; } - ASSERT (Info->E820 < MAX_ADDRESS); - *Entries = (EFI_E820_ENTRY64 *)(UINTN) Info->E820; - *Count = Info->E820EntriesCount; - - return EFI_SUCCESS; + return EFI_NOT_FOUND; } /**