October 2016 - s390x-port-dev

The s390x port has landed in jdk9!
by Volker Simonis 27 Oct '16

27 Oct '16

Hi, I'm proud to announce that today the last bits of the s390x port have arrived in the jdk9/hs forest! Everybody who's interested is invited in building, testing and commenting on the new port :) Many thanks to the whole SAP JMV team, the initial s390 porters and Lutz Schmidt, Martin Doerr and Goetz Lindenmaier for their fantastic work! Finally, this port wouldn't have been possible in such a fast and smooth way without the unlimited support of the Hotspot Group Lead Vladimir Kozlov! Let's celebrate the Linux/s390x port as the latest addition to the OpenJDK platform zoo! Regards, Volker

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RFR: JEP draft for Linux/s3990x port
by Volker Simonis 27 Oct '16

27 Oct '16

Hi, can you please review and endorse the following draft JEP for the integration of the Linux/s390x port into the jkd9 master repository: https://bugs.openjdk.java.net/browse/JDK-8166730 As detailed in the JEP, the Linux/s390x requires very few shared changes and we therefore don't foresee any impact on the existing platforms at all. Following you can find a short description of the planned changes: hotspot: ======= Out for review: 8166560: [s390] Basic enablement of s390 port. http://cr.openjdk.java.net/~goetz/wr16/8166560-basic_s390/hotspot.wr01/ Reviewed: 8166562: C2: Suppress relocations in scratch emit. http://cr.openjdk.java.net/~goetz/wr16/8166562-scratch_emit/webrev.01/ Will send RFR soon (depends on 8166560): 8166561: [s390] Adaptions needed for s390 port in C1 and C2. http://cr.openjdk.java.net/~goetz/wr16/8166562-scratch_emit/webrev.01 We are still investigating the need of these shared changes: http://cr.openjdk.java.net/~goetz/wr16/s390x_patch_queue/hotspot/9000011-pa… http://cr.openjdk.java.net/~goetz/wr16/s390x_patch_queue/hotspot/9000016-co… And finally the patch with the s390x-only platform files. We are still editing these to get them into OpenJdk style and shape. Hotspot passes most jck, jtreg and spec tests with these. http://cr.openjdk.java.net/~goetz/wr16/s390x_patch_queue/hotspot/9000101-zF… top-level repository: =============== The following is just adding some s390x specific compiler flags to flags.m4 8166800: [s390] Top-level build changes required for Linux/s390x https://bugs.openjdk.java.net/browse/JDK-8166800 jdk repository: ============ This one just adds a new jvm.cfg file for s390x 8166801: [s390] Add jvm.cfg file for Linux/s390x https://bugs.openjdk.java.net/browse/JDK-8166801 And finally we plan to do one more change which fixes the jtreg test on Linux/s390x. But this is mainly for the correct detection of the platform and for excluding the tests which are not appropriate for s390x. Thank you and best regards, Volker

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JEP 294: Linux/s390x Port
by mark.reinhold＠oracle.com 07 Oct '16

07 Oct '16

New JEP Candidate: http://openjdk.java.net/jeps/294 - Mark

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RFR(XS): 8166800: [s390] Top-level build changes required for Linux/s390x
by Volker Simonis 05 Oct '16

05 Oct '16

Hi, can I please have a review and sponsor for the following tiny top-level build change required for building the OpenJDK on Linux/s390: http://cr.openjdk.java.net/~simonis/webrevs/2016/s390x/8166800/ https://bugs.openjdk.java.net/browse/JDK-8166800 All this change does is to add some s390-specifc C and C++ flags for the Hotspot and the class-library build which do not affect any of the existing platforms. Thank you and best regards, Volker

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RFR(XXS): 8166801: [s390] Add jvm.cfg file for Linux/s390x
by Volker Simonis 05 Oct '16

05 Oct '16

Hi, can somebody please review the following trivial change which simply adds a new jvm.cfg file for Linux/s390x: http://cr.openjdk.java.net/~simonis/webrevs/2016/s390x/8166801/ https://bugs.openjdk.java.net/browse/JDK-8166801 This is so far the only change we need in the jdk-repository for our Linux/s390x port. Thank you and best regards, Volker

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