From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=68.232.153.90; helo=esa1.dell-outbound.iphmx.com; envelope-from=mohammadyounaskhan.p@dell.com; receiver=edk2-devel@lists.01.org Received: from esa1.dell-outbound.iphmx.com (esa1.dell-outbound.iphmx.com [68.232.153.90]) (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 C56C321B02822 for ; Wed, 15 Aug 2018 21:44:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=dell.com; i=@dell.com; q=dns/txt; s=smtpout; t=1534394664; x=1565930664; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=+zXMQ3l/AOsCQzXBV30D7FDKAH/+NCvt6sJVpGi7Wts=; b=Coou2JcngGVFezgNCaQ+X5NN6jlEbrEaQUrZz5ttjUhWsZyKD3dVS5kJ WiaXWGTlFWfdNNpL1QTblichr/E42ghe4E3bfn5c81pIjAxU8wd3OMelO u4z+kPwXsu3cLFxkb0WNbDWMHoJutcKDI15ID5f8k0D+1TmbpZ364T6Tn w=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2F3AADg/3RbhyeV50NcGwEBAQEDAQE?= =?us-ascii?q?BCQEBAYQyfygKi29fi1WCDZYTgXoLGAsJAoQ+AoM1ITQYAQIBAQIBAQIBAQI?= =?us-ascii?q?QAQEBCgsJCCkjDII1IhGBCAEBAQEBAQEBAU0CDWMBAQEBAwEBECg0FwQCAQg?= =?us-ascii?q?RBAEBHwkHJwEeCQgBAQQTCBqDAAGCAAEPn3WJVwEBAYIbilwFiRSCF4ESgxK?= =?us-ascii?q?DGwEEgiuFCQKaawcCgRyFCYVDg2sdgTqELohEiwiHcgIEAgQFAhSBQYILcFC?= =?us-ascii?q?CaYIiEQmIWYU+b4EWjBMBgRoBAQ?= X-IPAS-Result: =?us-ascii?q?A2F3AADg/3RbhyeV50NcGwEBAQEDAQEBCQEBAYQyfygKi?= =?us-ascii?q?29fi1WCDZYTgXoLGAsJAoQ+AoM1ITQYAQIBAQIBAQIBAQIQAQEBCgsJCCkjD?= =?us-ascii?q?II1IhGBCAEBAQEBAQEBAU0CDWMBAQEBAwEBECg0FwQCAQgRBAEBHwkHJwEeC?= =?us-ascii?q?QgBAQQTCBqDAAGCAAEPn3WJVwEBAYIbilwFiRSCF4ESgxKDGwEEgiuFCQKaa?= =?us-ascii?q?wcCgRyFCYVDg2sdgTqELohEiwiHcgIEAgQFAhSBQYILcFCCaYIiEQmIWYU+b?= =?us-ascii?q?4EWjBMBgRoBAQ?= Received: from mx0a-00154901.pphosted.com ([67.231.149.39]) by esa1.dell-outbound.iphmx.com with ESMTP/TLS/AES256-SHA256; 15 Aug 2018 23:44:23 -0500 Received: from pps.filterd (m0142699.ppops.net [127.0.0.1]) by mx0a-00154901.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w7G4hX9X071960 for ; Thu, 16 Aug 2018 00:44:33 -0400 Received: from esa1.dell-outbound2.iphmx.com (esa1.dell-outbound2.iphmx.com [68.232.153.201]) by mx0a-00154901.pphosted.com with ESMTP id 2kvpah3s90-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Thu, 16 Aug 2018 00:44:33 -0400 From: Received: from ausc60pc101.us.dell.com ([143.166.85.206]) by esa1.dell-outbound2.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA256; 16 Aug 2018 10:44:20 +0600 X-LoopCount0: from 10.166.136.211 X-IronPort-AV: E=Sophos;i="5.53,246,1531803600"; d="scan'208";a="1287532287" To: Thread-Topic: Question regarding CMOS regions. Thread-Index: AdQwbXw0bU09G6E1SGqYwJK+xDH0yQCldFkAAABUloAAHxeNsABmsI1Q Date: Thu, 16 Aug 2018 04:44:29 +0000 Message-ID: References: <1b14d8bcb83c4db48a7f4b72f8b8dff6@BLRX13MDC420.AMER.DELL.COM> <2d9aeae9d4c94b2c9c1f63161b94c9f5@BLRX13MDC420.AMER.DELL.COM> In-Reply-To: <2d9aeae9d4c94b2c9c1f63161b94c9f5@BLRX13MDC420.AMER.DELL.COM> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [163.244.186.30] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-08-16_03:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1808160050 Subject: Re: Question regarding CMOS regions. X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2018 04:44:36 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Guys, Please help to reply to my below queries. Thank you, Younas. -----Original Message----- From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Path= an, MohammadYounasKhan Sent: Tuesday, August 14, 2018 9:17 AM To: edk2-devel@lists.01.org Subject: [edk2] FW: Question regarding CMOS regions. Hi All, As we know CMOS data can be 128 or 256 bytes. CMOS lower 128 bytes are stor= ed in IO ports 0x70-0x71 whereas CMOS upper 128 bytes are stored using IO p= orts 0x72-0x73. 1. How to know that the system has 128bytes of CMOS or 256 bytes of CMOS= region? 2. Is there any CMOS location which represents CMOS upper region is exis= ts or valid or any other mechanism for it? 3. Are we replicating lower 128 bytes to upper 128 bytes in CMOS locatio= n 0x70-0x71 (or 0x72-0x73)? If yes, Why are we doing that? Thank you, Younas. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel