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Walling" X-Patchwork-Id: 10225841 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 26A9D603EE for ; Fri, 16 Feb 2018 22:20:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EEB2828C6B for ; Fri, 16 Feb 2018 22:20:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DFB9929545; Fri, 16 Feb 2018 22:20:28 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 63FD728C6B for ; Fri, 16 Feb 2018 22:20:23 +0000 (UTC) Received: from localhost ([::1]:38626 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1emoMW-0000XD-Lt for patchwork-qemu-devel@patchwork.kernel.org; Fri, 16 Feb 2018 17:20:12 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43491) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1emoB4-00071U-40 for qemu-devel@nongnu.org; Fri, 16 Feb 2018 17:08:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1emoAz-0005Qk-7s for qemu-devel@nongnu.org; Fri, 16 Feb 2018 17:08:22 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:37710 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1emoAz-0005QJ-3X for qemu-devel@nongnu.org; Fri, 16 Feb 2018 17:08:17 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1GM5552018555 for ; Fri, 16 Feb 2018 17:08:16 -0500 Received: from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208]) by mx0b-001b2d01.pphosted.com with ESMTP id 2g63tggskk-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 16 Feb 2018 17:08:15 -0500 Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 16 Feb 2018 17:08:13 -0500 Received: from b01cxnp22036.gho.pok.ibm.com (9.57.198.26) by e18.ny.us.ibm.com (146.89.104.205) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Fri, 16 Feb 2018 17:08:11 -0500 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w1GM8AiN56229928; Fri, 16 Feb 2018 22:08:10 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E975FAC041; Fri, 16 Feb 2018 17:09:18 -0500 (EST) Received: from collin-ThinkPad-W541.pok.ibm.com (unknown [9.56.58.109]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP id DB824AC040; Fri, 16 Feb 2018 17:09:18 -0500 (EST) From: "Collin L. Walling" To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Date: Fri, 16 Feb 2018 17:07:56 -0500 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1518818879-18608-1-git-send-email-walling@linux.vnet.ibm.com> References: <1518818879-18608-1-git-send-email-walling@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18021622-0044-0000-0000-000003E57359 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008545; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000254; SDB=6.00990741; UDB=6.00503179; IPR=6.00770087; MB=3.00019594; MTD=3.00000008; XFM=3.00000015; UTC=2018-02-16 22:08:13 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18021622-0045-0000-0000-000008157572 Message-Id: <1518818879-18608-10-git-send-email-walling@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-02-16_08:, , 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 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1802160254 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v7 09/12] s390-ccw: print zipl boot menu X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: frankja@linux.vnet.ibm.com, thuth@redhat.com, cohuck@redhat.com, david@redhat.com, alifm@linux.vnet.ibm.com, mihajlov@linux.vnet.ibm.com, borntraeger@de.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP When the boot menu options are present and the guest's disk has been configured by the zipl tool, then the user will be presented with an interactive boot menu with labeled entries. An example of what the menu might look like: zIPL v1.37.1-build-20170714 interactive boot menu. 0. default (linux-4.13.0) 1. linux-4.13.0 2. performance 3. kvm Signed-off-by: Collin L. Walling Reviewed-by: Thomas Huth --- pc-bios/s390-ccw/menu.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c index 5790e0c..9631ac0 100644 --- a/pc-bios/s390-ccw/menu.c +++ b/pc-bios/s390-ccw/menu.c @@ -10,13 +10,60 @@ */ #include "menu.h" +#include "s390-ccw.h" + +/* Offsets from zipl fields to zipl banner start */ +#define ZIPL_TIMEOUT_OFFSET 138 +#define ZIPL_FLAG_OFFSET 140 static uint8_t flags; static uint64_t timeout; +static int get_boot_index(int entries) +{ + return 0; /* Implemented next patch */ +} + +static void zipl_println(const char *data, size_t len) +{ + char buf[len + 2]; + + ebcdic_to_ascii(data, buf, len); + buf[len] = '\n'; + buf[len + 1] = '\0'; + + sclp_print(buf); +} + int menu_get_zipl_boot_index(const void *stage2, int offset) { - return 0; /* implemented next patch */ + const char *data = stage2 + offset; + uint16_t zipl_flag = *(uint16_t *)(data - ZIPL_FLAG_OFFSET); + uint16_t zipl_timeout = *(uint16_t *)(data - ZIPL_TIMEOUT_OFFSET); + size_t len; + int ct; + + if (flags & BOOT_MENU_FLAG_ZIPL_OPTS) { + if (!zipl_flag) { + return 0; /* Boot default */ + } + timeout = zipl_timeout * 1000; + } + + /* Print and count all menu items, including the banner */ + for (ct = 0; *data; ct++) { + len = strlen(data); + zipl_println(data, len); + data += len + 1; + + if (ct < 2) { + sclp_print("\n"); + } + } + + sclp_print("\n"); + + return get_boot_index(ct - 1); } void menu_set_parms(uint8_t boot_menu_flag, uint32_t boot_menu_timeout)