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Wed, 15 Jul 2020 09:41:21 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06F9fJX158065092 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Jul 2020 09:41:19 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5BABD4C052; Wed, 15 Jul 2020 09:41:19 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B4C794C040; Wed, 15 Jul 2020 09:41:18 +0000 (GMT) Received: from linux01.pok.stglabs.ibm.com (unknown [9.114.17.81]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 15 Jul 2020 09:41:18 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH 5/7] pc-bios: s390x: Replace lowcore offsets with pointers in dasd-ipl.c Date: Wed, 15 Jul 2020 05:40:43 -0400 Message-Id: <20200715094045.381984-6-frankja@linux.ibm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200715094045.381984-1-frankja@linux.ibm.com> References: <20200715094045.381984-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-15_07:2020-07-15, 2020-07-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 adultscore=0 spamscore=0 priorityscore=1501 phishscore=0 malwarescore=0 suspectscore=1 mlxlogscore=857 mlxscore=0 lowpriorityscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007150077 Received-SPF: pass client-ip=148.163.156.1; envelope-from=frankja@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/15 05:41:23 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: borntraeger@de.ibm.com, thuth@redhat.com, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let's replace some more constant offsets with references into the lowcore for better readability. Signed-off-by: Janosch Frank --- pc-bios/s390-ccw/dasd-ipl.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/pc-bios/s390-ccw/dasd-ipl.c b/pc-bios/s390-ccw/dasd-ipl.c index 0543334ed4..9ab9a0fa12 100644 --- a/pc-bios/s390-ccw/dasd-ipl.c +++ b/pc-bios/s390-ccw/dasd-ipl.c @@ -120,8 +120,8 @@ static void run_readipl(SubChannelId schid, uint16_t cutype) */ static void check_ipl1(void) { - Ccw0 *ccwread = (Ccw0 *)0x08; - Ccw0 *ccwtic = (Ccw0 *)0x10; + Ccw0 *ccwread = (Ccw0 *) &lowcore->ccw1; + Ccw0 *ccwtic = (Ccw0 *) &lowcore->ccw2; if (ccwread->cmd_code != CCW_CMD_DASD_READ || ccwtic->cmd_code != CCW_CMD_TIC) { @@ -143,15 +143,15 @@ static void check_ipl2(uint32_t ipl2_addr) static uint32_t read_ipl2_addr(void) { - Ccw0 *ccwtic = (Ccw0 *)0x10; + Ccw0 *ccwtic = (Ccw0 *)&lowcore->ccw2; return ccwtic->cda; } static void ipl1_fixup(void) { - Ccw0 *ccwSeek = (Ccw0 *) 0x08; - Ccw0 *ccwSearchID = (Ccw0 *) 0x10; + Ccw0 *ccwSeek = (Ccw0 *) &lowcore->ccw1; + Ccw0 *ccwSearchID = (Ccw0 *) &lowcore->ccw2; Ccw0 *ccwSearchTic = (Ccw0 *) 0x18; Ccw0 *ccwRead = (Ccw0 *) 0x20; CcwSeekData *seekData = (CcwSeekData *) 0x30;