From patchwork Thu Feb 27 20:40:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Grimm X-Patchwork-Id: 1246092 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 48T4PB37dsz9sRN for ; Fri, 28 Feb 2020 07:42:54 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48T4PB2VHfzDr8D for ; Fri, 28 Feb 2020 07:42:54 +1100 (AEDT) X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=grimm@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 48T4Lw3zs5zDr6T for ; Fri, 28 Feb 2020 07:40:56 +1100 (AEDT) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01RKUGl5089604 for ; Thu, 27 Feb 2020 15:40:53 -0500 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 2yden2xb2e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 27 Feb 2020 15:40:53 -0500 Received: from m0098416.ppops.net (m0098416.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 01RKVqVJ096391 for ; Thu, 27 Feb 2020 15:40:53 -0500 Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0b-001b2d01.pphosted.com with ESMTP id 2yden2xb20-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Feb 2020 15:40:53 -0500 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 01RKeFxs005381; Thu, 27 Feb 2020 20:40:52 GMT Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by ppma04dal.us.ibm.com with ESMTP id 2ydcmm44xj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Feb 2020 20:40:52 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 01RKen2e26018084 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 27 Feb 2020 20:40:50 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C97B96E062; Thu, 27 Feb 2020 20:40:49 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AB0526E053; Thu, 27 Feb 2020 20:40:48 +0000 (GMT) Received: from alain.ibm.com (unknown [9.80.218.175]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 27 Feb 2020 20:40:48 +0000 (GMT) From: Ryan Grimm To: oohall@gmail.com Date: Thu, 27 Feb 2020 15:40:11 -0500 Message-Id: <20200227204023.22125-5-grimm@linux.ibm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200227204023.22125-1-grimm@linux.ibm.com> References: <20200227204023.22125-1-grimm@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-27_07:2020-02-26, 2020-02-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=896 adultscore=0 spamscore=0 suspectscore=1 priorityscore=1501 impostorscore=0 phishscore=0 clxscore=1015 malwarescore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002270140 Subject: [Skiboot] [RFC PATCH v5 04/16] Add uv-entry dt property for starting ultravisor 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: janani@us.ibm.com, suka@us.ibm.com, skiboot@lists.ozlabs.org Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" We can jump into any location in the uv image for testing. Signed-off-by: Ryan Grimm --- hw/ultravisor.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/ultravisor.c b/hw/ultravisor.c index 7f263e3e..8dea456a 100644 --- a/hw/ultravisor.c +++ b/hw/ultravisor.c @@ -14,8 +14,13 @@ static uint64_t uv_base_addr; static void cpu_start_ultravisor(void *fdt) { + uint64_t uv_entry = 0; + + if (dt_find_property(uv_fw_node, "uv-entry")) + uv_entry = dt_prop_get_u64(uv_fw_node, "uv-entry"); + prlog(PR_DEBUG, "UV: Starting on CPU 0x%04x\n", this_cpu()->pir); - start_uv(uv_base_addr, fdt); + start_uv(uv_base_addr + uv_entry, fdt); } int start_ultravisor(void *fdt)