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Thu, 25 Jan 2024 12:47:30 +0000 (GMT) Message-ID: <79bb25883b250ed5be15ae2b6754e46742975f1a.camel@linux.ibm.com> Subject: Re: [PATCH 0/2] target/s390x: Emulate CVDG From: Ilya Leoshkevich To: Thomas Huth , qemu-s390x@nongnu.org Cc: Richard Henderson , David Hildenbrand , qemu-devel@nongnu.org Date: Thu, 25 Jan 2024 13:47:30 +0100 In-Reply-To: References: <20240115202308.1930675-1-iii@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.50.3 (3.50.3-1.fc39) X-TM-AS-GCONF: 00 X-Proofpoint-GUID: hApqkDBEU54FnThCGXVfr95OjIWrjo_w X-Proofpoint-ORIG-GUID: h6M-AXIcSlfeJQ0EppIOyPWmGP4Tn9fm Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_07,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 mlxscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 phishscore=0 spamscore=0 malwarescore=0 mlxlogscore=450 suspectscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401250089 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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 On Thu, 2024-01-18 at 18:28 +0100, Thomas Huth wrote: > On 15/01/2024 21.21, Ilya Leoshkevich wrote: > > Hi, > >=20 > > Ido reported that we are missing the CVDG emulation (which is very > > similar to the existing CVD emulation). This series adds it along > > with > > a test. >=20 > Just FYI, your patch made me curious which other instructions we > still might=20 > be missing from chapter 7 in the Principles of Operation... with some > shell=20 > scripting and manual fiddling, I ended up with this list: >=20 > 0C BRANCH AND SAVE AND SET MODE BASSM > 0B BRANCH AND SET MODE BSM > B21A COMPARE AND FORM CODEWORD CFC > B257 COMPARE UNTIL SUBSTRING EQUAL CUSE > B263 COMPRESSION CALL CMPSC > 4F CONVERT TO BINARY (32) CVB > E306 CONVERT TO BINARY (32) CVBY > E30E CONVERT TO BINARY (64) CVBG > B24D COPY ACCESS CPYA > EF LOAD MULTIPLE DISJOINT LMD > EE PERFORM LOCKED OPERATION PLO > B9BF TRANSLATE AND TEST EXTENDED TRTE > B9BD TRANSLATE AND TEST REVERSE EXTENDED TRTRE > 0102 UPDATE TREE UPT >=20 > There are some additional ones from the "Guarded-Storage Facility" > and the=20 > "Transactional-Execution Facility", but these are optional AFAIK. >=20 > Some of these (like UPT) really look like sins from the CISC past, I > guess=20 > we'll never need them for running Linux guests :-) >=20 > =C2=A0 Thomas >=20 Thanks, I'll append this to my TODO list. At least for CVB* there seems to exist an unfinished patch on the list [1]. [1] https://lore.kernel.org/qemu-devel/20180821025104.19604-8-pavel.zbitskiy@gm= ail.com/