From patchwork Sun Jun 16 17:10:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasant Hegde X-Patchwork-Id: 1116593 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45RgsC2kxpz9sBp for ; Mon, 17 Jun 2019 03:13:03 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45RgsC1qBKzDqNK for ; Mon, 17 Jun 2019 03:13:03 +1000 (AEST) X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=hegdevasant@linux.vnet.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45Rgpv1DtrzDqbt for ; Mon, 17 Jun 2019 03:11:02 +1000 (AEST) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5GH6td7068763 for ; Sun, 16 Jun 2019 13:11:00 -0400 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2t5dn10g26-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sun, 16 Jun 2019 13:11:00 -0400 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sun, 16 Jun 2019 18:10:54 +0100 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5GHArsm54395010 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 16 Jun 2019 17:10:53 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9B018A4055; Sun, 16 Jun 2019 17:10:53 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A80AA4051; Sun, 16 Jun 2019 17:10:51 +0000 (GMT) Received: from hegdevasant.in.ibm.com (unknown [9.85.84.197]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Sun, 16 Jun 2019 17:10:50 +0000 (GMT) From: Vasant Hegde To: skiboot@lists.ozlabs.org Date: Sun, 16 Jun 2019 22:40:06 +0530 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20190616171024.22799-1-hegdevasant@linux.vnet.ibm.com> References: <20190616171024.22799-1-hegdevasant@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19061617-4275-0000-0000-00000342CD40 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19061617-4276-0000-0000-00003852EE03 Message-Id: <20190616171024.22799-7-hegdevasant@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-16_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=683 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906160165 Subject: [Skiboot] [PATCH v8 06/24] mem-map: Setup memory for MDRT table X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: stewart@linux.vnet.ibm.com, mikey@neuling.org, hbathini@linux.vnet.ibm.com MIME-Version: 1.0 Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" Hostboot fills MDRT table after moving memory content from source to destination memory. And OPAL relies on this table to extract the dump. We have to make sure this table is intact. Hence define memory relative to SKIBOOT_BASE so that our relocation doesn't overwrite this memory. Signed-off-by: Vasant Hegde --- include/mem-map.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/mem-map.h b/include/mem-map.h index d23953985..0e03932a1 100644 --- a/include/mem-map.h +++ b/include/mem-map.h @@ -102,11 +102,17 @@ #define PSI_TCE_TABLE_BASE (SKIBOOT_BASE + 0x01a00000) #define PSI_TCE_TABLE_SIZE_P8 0x00200000UL +/* This is our dump result table after MPIPL. Hostboot will write to this + * memory after moving memory content from source to destination memory. + */ +#define MDRT_TABLE_BASE (SKIBOOT_BASE + 0x01c00000) +#define MDRT_TABLE_SIZE 0x00010000 + /* Total size of the above area * * (Ensure this has at least a 64k alignment) */ -#define SKIBOOT_SIZE 0x01c00000 +#define SKIBOOT_SIZE 0x01c10000 /* We start laying out the CPU stacks from here, indexed by PIR * each stack is STACK_SIZE in size (naturally aligned power of