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Walling" X-Patchwork-Id: 10238241 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 E4D0B60390 for ; Fri, 23 Feb 2018 16:09:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D495E29789 for ; Fri, 23 Feb 2018 16:09:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C8BA02978B; Fri, 23 Feb 2018 16:09:25 +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 390612976A for ; Fri, 23 Feb 2018 16:09:25 +0000 (UTC) Received: from localhost ([::1]:45453 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1epFuW-0007eM-6r for patchwork-qemu-devel@patchwork.kernel.org; Fri, 23 Feb 2018 11:09:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46853) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1epFVq-0001Dq-78 for qemu-devel@nongnu.org; Fri, 23 Feb 2018 10:43:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1epFVm-0007ci-Vu for qemu-devel@nongnu.org; Fri, 23 Feb 2018 10:43:54 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:58386) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1epFVm-0007as-M2 for qemu-devel@nongnu.org; Fri, 23 Feb 2018 10:43:50 -0500 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1NFeYUg139419 for ; Fri, 23 Feb 2018 10:43:49 -0500 Received: from e17.ny.us.ibm.com (e17.ny.us.ibm.com [129.33.205.207]) by mx0a-001b2d01.pphosted.com with ESMTP id 2gam6yn1nv-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 23 Feb 2018 10:43:48 -0500 Received: from localhost by e17.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 23 Feb 2018 10:43:47 -0500 Received: from b01cxnp22035.gho.pok.ibm.com (9.57.198.25) by e17.ny.us.ibm.com (146.89.104.204) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Fri, 23 Feb 2018 10:43:44 -0500 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w1NFhiUP31719542; Fri, 23 Feb 2018 15:43:44 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EAB2A124035; Fri, 23 Feb 2018 11:45:59 -0500 (EST) Received: from collin-ThinkPad-W541.pok.ibm.com (unknown [9.56.58.74]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP id DD192124037; Fri, 23 Feb 2018 11:45:59 -0500 (EST) From: "Collin L. Walling" To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Date: Fri, 23 Feb 2018 10:43:13 -0500 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1519400599-21081-1-git-send-email-walling@linux.vnet.ibm.com> References: <1519400599-21081-1-git-send-email-walling@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18022315-0040-0000-0000-000003FC035F X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008584; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000254; SDB=6.00993971; UDB=6.00505108; IPR=6.00773311; MB=3.00019709; MTD=3.00000008; XFM=3.00000015; UTC=2018-02-23 15:43:47 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18022315-0041-0000-0000-000007FD0B1E Message-Id: <1519400599-21081-8-git-send-email-walling@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-02-23_05:, , 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-1802230194 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v9 07/13] s390-ccw: set up interactive boot menu parameters 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 Reads boot menu flag and timeout values from the iplb and sets the respective fields for the menu. Signed-off-by: Collin L. Walling Reviewed-by: Thomas Huth --- pc-bios/s390-ccw/Makefile | 2 +- pc-bios/s390-ccw/main.c | 24 ++++++++++++++++++++++++ pc-bios/s390-ccw/menu.c | 22 ++++++++++++++++++++++ pc-bios/s390-ccw/s390-ccw.h | 3 +++ 4 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 pc-bios/s390-ccw/menu.c diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile index 9f7904f..1712c2d 100644 --- a/pc-bios/s390-ccw/Makefile +++ b/pc-bios/s390-ccw/Makefile @@ -9,7 +9,7 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw) .PHONY : all clean build-all -OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o libc.o +OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o libc.o menu.o QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS)) QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float QEMU_CFLAGS += -march=z900 -fPIE -fno-strict-aliasing diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c index e41b264..32ed70e 100644 --- a/pc-bios/s390-ccw/main.c +++ b/pc-bios/s390-ccw/main.c @@ -18,6 +18,9 @@ IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE))); static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; QemuIplParameters qipl; +#define LOADPARM_PROMPT "PROMPT " +#define LOADPARM_EMPTY "........" + /* * Priniciples of Operations (SA22-7832-09) chapter 17 requires that * a subsystem-identification is at 184-187 and bytes 188-191 are zero @@ -74,6 +77,26 @@ static bool find_dev(Schib *schib, int dev_no) return false; } +static void menu_setup(void) +{ + if (memcmp(loadparm, LOADPARM_PROMPT, 8) == 0) { + menu_set_parms(QIPL_FLAG_BM_OPTS_CMD, 0); + return; + } + + /* If loadparm was set to any other value, then do not enable menu */ + if (memcmp(loadparm, LOADPARM_EMPTY, 8) != 0) { + return; + } + + switch (iplb.pbt) { + case S390_IPL_TYPE_CCW: + menu_set_parms(qipl.qipl_flags & QIPL_FLAG_BM_OPTS_CMD, + qipl.boot_menu_timeout); + return; + } +} + static void virtio_setup(void) { Schib schib; @@ -117,6 +140,7 @@ static void virtio_setup(void) default: panic("List-directed IPL not supported yet!\n"); } + menu_setup(); } else { for (ssid = 0; ssid < 0x3; ssid++) { blk_schid.ssid = ssid; diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c new file mode 100644 index 0000000..1ce33dd --- /dev/null +++ b/pc-bios/s390-ccw/menu.c @@ -0,0 +1,22 @@ +/* + * QEMU S390 Interactive Boot Menu + * + * Copyright 2018 IBM Corp. + * Author: Collin L. Walling + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#include "libc.h" +#include "s390-ccw.h" + +static uint8_t flag; +static uint64_t timeout; + +void menu_set_parms(uint8_t boot_menu_flag, uint32_t boot_menu_timeout) +{ + flag = boot_menu_flag; + timeout = boot_menu_timeout; +} diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h index 25d4d21..6cfd4b2 100644 --- a/pc-bios/s390-ccw/s390-ccw.h +++ b/pc-bios/s390-ccw/s390-ccw.h @@ -84,6 +84,9 @@ ulong get_second(void); /* bootmap.c */ void zipl_load(void); +/* menu.c */ +void menu_set_parms(uint8_t boot_menu_flag, uint32_t boot_menu_timeout); + static inline void fill_hex(char *out, unsigned char val) { const char hex[] = "0123456789abcdef";