From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A2C49C43458 for ; Wed, 1 Jul 2026 20:51:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wf1tF-0003rV-3p; Wed, 01 Jul 2026 16:50:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wf1tC-0003lG-S5; Wed, 01 Jul 2026 16:50:35 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wf1tB-0004Ol-1r; Wed, 01 Jul 2026 16:50:34 -0400 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 661Gmmhd1594169; Wed, 1 Jul 2026 20:50:29 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=uufRKRXPnebR+lmJi 9MWwmsULNyfXmR+saxaraiCqSE=; b=pbD8Lvl0ViRC+xviPeyq0aHCWmOREwLzn N1krdZXkYd5Ffh/kUonyenro3phkL9Pk7FPPUs5l2lp6YakAryvgdhA0xpp66c0o xsZ0LfF026IyrnnBqgTBnQZf/KRcTru/a8aEJkiMDTQBy/hvsZuSfPiC+e0e+8a/ 9QGipjaoxgalKpQTxUPUKOR9aSgM6uzLJ5y2SDbzCXrBgF4p+ZHiEuTbzqMYw1pG pqEhJhzES36ToOlfQhMT5Lho0XYNSKtuBOnfcsAHdrEcsq3x9Q43hhWtCoFg+avd JddUHaQfiSuSifvQWaNzvCn7XBt+PRFhvziH90SmJyHpA6h/DtBsw== Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4f26qg6m9t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Jul 2026 20:50:29 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 661KnotG006698; Wed, 1 Jul 2026 20:50:28 GMT Received: from smtprelay07.wdc07v.mail.ibm.com ([172.16.1.74]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4f2uhygu69-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Jul 2026 20:50:28 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay07.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 661KoRJ032047666 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 1 Jul 2026 20:50:27 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2773C58060; Wed, 1 Jul 2026 20:50:27 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3A9895803F; Wed, 1 Jul 2026 20:50:24 +0000 (GMT) Received: from fedora-workstation.lan (unknown [9.61.149.234]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 1 Jul 2026 20:50:24 +0000 (GMT) From: Zhuoying Cai To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: jrossi@linux.ibm.com, cohuck@redhat.com, berrange@redhat.com, richard.henderson@linaro.org, david@kernel.org, walling@linux.ibm.com, jjherne@linux.ibm.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, farman@linux.ibm.com, mjrosato@linux.ibm.com, iii@linux.ibm.com, eblake@redhat.com, armbru@redhat.com, zycai@linux.ibm.com, alifm@linux.ibm.com, brueckner@linux.ibm.com, pierrick.bouvier@oss.qualcomm.com, jdaley@linux.ibm.com Subject: [PATCH v12 20/35] pc-bios/s390-ccw: Refactor zipl_run() Date: Wed, 1 Jul 2026 16:49:06 -0400 Message-ID: <20260701204922.1320349-21-zycai@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260701204922.1320349-1-zycai@linux.ibm.com> References: <20260701204922.1320349-1-zycai@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=RYqgzVtv c=1 sm=1 tr=0 ts=6a457d95 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=se3WwofzMRKbtILPOyIA:9 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDIyMiBTYWx0ZWRfX2ts8VCqnptbU sYbTONlSkuqFw7i8GMv/fOXT7T21au1GxnULb2FtIvzaHk+/xDOuAxcQmg7+YxsQ7GVAAFVzczV sHDGLHW8/BSBwnlQUvFtbJjfgHpyLnw= X-Proofpoint-GUID: kJmBLOCzrLgNVqqYx38u2paihB80vvPb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDIyMiBTYWx0ZWRfX+ew8AzuNABCo kMgfSzyF25vMxez134rKmPYqEh3ctnKoH8s9rxnI3S4jp5SwGdoDQ8UlV+gctT/2cadoBQQsibX 1Ut4KMEmMXaAGAjXQMe44swaUwJ0gToUrq1dZFokeAdBrxNEkAbh7kO7jux/FDYTHo0ExpPzIOL nhnTvcPv78Iay5gHQMo51t+aswYYXMP5aJg+w0aj0hRKYs1nr6kDMYpUhuxe/GXmKFtmZnslx9A OdKQc45d4x93UayEeEAu+qKofJec4se41w+VSwmX/z5EvwMpx2IGirqGp2q7hJ8JWeJC8bzdZXL LiKhNW//B/zEhGWKGl94jOr2IOxGZfFZ643MqjTIcNS+cUUAO+N9fvz3ckaml8kwutpgCPt30mt 0ch9xylJQwTfoAJW2xGX+3E/hUC3BNAFfiCzfJWLb2avh0p2qBMq6F8ymoPfVU2ptHnavs/MmGR c2EuPnCN9BBB4S8OEQA== X-Proofpoint-ORIG-GUID: kJmBLOCzrLgNVqqYx38u2paihB80vvPb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-01_04,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607010222 Received-SPF: pass client-ip=148.163.156.1; envelope-from=zycai@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Refactor to enhance readability before enabling secure IPL in later patches. Signed-off-by: Zhuoying Cai Reviewed-by: Thomas Huth Reviewed-by: Jared Rossi Reviewed-by: Collin Walling --- pc-bios/s390-ccw/bootmap.c | 51 ++++++++++++++++++++++++-------------- 1 file changed, 33 insertions(+), 18 deletions(-) diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c index 420ee32eff..b9ba004cfc 100644 --- a/pc-bios/s390-ccw/bootmap.c +++ b/pc-bios/s390-ccw/bootmap.c @@ -674,12 +674,42 @@ static int zipl_load_segment(ComponentEntry *entry) return 0; } +static int zipl_run_normal(ComponentEntry **entry_ptr, uint8_t *tmp_sec) +{ + ComponentEntry *entry = *entry_ptr; + + while (entry->component_type == ZIPL_COMP_ENTRY_LOAD || + entry->component_type == ZIPL_COMP_ENTRY_SIGNATURE) { + + /* Secure boot is off, so we skip signature entries */ + if (entry->component_type == ZIPL_COMP_ENTRY_SIGNATURE) { + entry++; + continue; + } + + if (zipl_load_segment(entry)) { + return -1; + } + + entry++; + + if ((uint8_t *)&entry[1] > tmp_sec + MAX_SECTOR_SIZE) { + puts("Wrong entry value"); + return -EINVAL; + } + } + + *entry_ptr = entry; + return 0; +} + /* Run a zipl program */ static int zipl_run(ScsiBlockPtr *pte) { ComponentHeader *header; ComponentEntry *entry; uint8_t tmp_sec[MAX_SECTOR_SIZE]; + int rc; if (virtio_read(pte->blockno, tmp_sec)) { puts("Cannot read header"); @@ -700,25 +730,10 @@ static int zipl_run(ScsiBlockPtr *pte) /* Load image(s) into RAM */ entry = (ComponentEntry *)(&header[1]); - while (entry->component_type == ZIPL_COMP_ENTRY_LOAD || - entry->component_type == ZIPL_COMP_ENTRY_SIGNATURE) { - - /* We don't support secure boot yet, so we skip signature entries */ - if (entry->component_type == ZIPL_COMP_ENTRY_SIGNATURE) { - entry++; - continue; - } - - if (zipl_load_segment(entry)) { - return -1; - } - entry++; - - if ((uint8_t *)(&entry[1]) > (tmp_sec + MAX_SECTOR_SIZE)) { - puts("Wrong entry value"); - return -EINVAL; - } + rc = zipl_run_normal(&entry, tmp_sec); + if (rc) { + return rc; } if (entry->component_type != ZIPL_COMP_ENTRY_EXEC) { -- 2.54.0