- linaro-toolchain - lists.linaro.org

by Louis Dionne

Hi, It looks like several bots assigned to you started failing after e6a39f00e8d0 was committed: http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux-no… http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-… They all fail on the test libcxx/test/libcxx/modules/stds_include.sh.cpp with the following error: <...>/libcxx/test/libcxx/modules/stds_include.sh.cpp:28:2: fatal error: file '<...>/libcxx/include/type_traits' has been modified since the module file '<TMP>/ModuleCache/1E92AHT/std-1V9DLRO.pcm' was built #include <vector> ^ <...>/libcxx/test/libcxx/modules/stds_include.sh.cpp:28:2: note: please rebuild precompiled header '<TMP>/ModuleCache/1E92AHT/std-1V9DLRO.pcm' 1 error generated. Our other bots are not failing, so I very strongly suspect this is not because of the change itself, but rather some weirdness in your bot configuration. For that reason, I will *not* revert the change (that would likely not improve the situation anyway). Can you please collaborate with us to understand and fix the issue? Thanks, Louis

5 years, 8 months

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Broken libcxx-libcxxabi-libunwind bots due to Filesystem tests

by Louis Dionne

Hi, It looks like the following bots assigned to you started failing recently: http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv7-linux http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv7-linux-no… The failing tests are all filesystem tests: FAIL: libc++::assign.pass.cpp FAIL: libc++::path.pass.cpp FAIL: libc++::replace_filename.pass.cpp FAIL: libc++::refresh.pass.cpp FAIL: libc++::file_size.pass.cpp FAIL: libc++::file_type_obs.pass.cpp FAIL: libc++::hard_link_count.pass.cpp FAIL: libc++::last_write_time.pass.cpp FAIL: libc++::ctor.pass.cpp FAIL: libc++::ctor.pass.cpp FAIL: libc++::increment.pass.cpp FAIL: libc++::exists.pass.cpp FAIL: libc++::is_block_file.pass.cpp FAIL: libc++::is_character_file.pass.cpp FAIL: libc++::is_directory.pass.cpp FAIL: libc++::is_empty.pass.cpp FAIL: libc++::is_fifo.pass.cpp FAIL: libc++::is_other.pass.cpp FAIL: libc++::is_regular_file.pass.cpp FAIL: libc++::is_socket.pass.cpp Having seen some of these issues before, I strongly suspect this is due to the fact that your builder is running as root. Libc++'s filesystem tests are known to fail when run as root, because some of them need to check for failure to access some files for which there's no permission. This doesn't seem to work when run as root. Can you work with us to resolve this issue? Thanks, Louis

5 years, 8 months

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[ACTIVITY] 30 March - 3 April 2020

by Christophe Lyon

== Progress == * GCC upstream validation: - reported a couple of failures/regressions * GCC: - comparing testsuite results for cortex-m3 and cortex-m33 with cortex-a9 to check what cortex-M problem there are. Spent a long time isolating a regression in CMSE tests. Filed PR94445 which was then quickly fixed by upstream in ICF optimization. * misc: - infra fixes / troubleshooting / reviews == Next == * FDPIC GDB * GCC/cortex-M

5 years, 8 months

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[ACTIVITY] week ending 5 Apr 2020

by Richard Henderson

[VIRT-349 # QEMU SVE2 Support ] Met with Qualcomm on Friday to discuss sharing the development work, and help start bringing their new-hire, Stephen Long, up to speed on qemu. Gave Stephen generic qemu development pointers, and a simple set of SVE2 instruction on which to wet his feet. [VIRT-327 # Richard's upstream QEMU work ] Better constant propagation and allocation for TCG. Worked on probe_guest_base as a follow-up to some of the work Alex was doing wrt init_guest_space. Misc patch review for 5.0. [GCC] Posted v3 of aarch64 cmpti patch set. r~

5 years, 8 months

1
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[ACTIVITY] 30 March - 3 April 2020

by Prathamesh Kulkarni

== This Week == * LLVM - LLVM-611 (Tune heuristic for blx): Posted upstream. - LLVM-612 (Redundant reg moves for 8-bit immediates): WIP patch * Public Holiday - one day off == Next Week == - Continue with LLVM tasks - Start looking at GNU-659

5 years, 8 months

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[ACTIVITY] week ending Apr. 5 2020

by Alex Bennée

VirtIO Related Work ([VIRT-366]) ================================ - minor planning work - need a few slides with virtio architectures for Victor - a overview blogpost for Ebba [VIRT-366] <https://projects.linaro.org/browse/VIRT-366> Upstream Work ([VIRT-109]) ========================== - GSoC feedback on proposals - we have 3 students putting forward proposals for TCG cache plugin - posted [PATCH] hw/core: properly terminate loading .hex on EOF record Message-Id: <20200401193849.14017-1-alex.bennee(a)linaro.org> - posted [PATCH] target/arm: don't expose "ieee_half" via gdbstub Message-Id: <20200402143913.24005-1-alex.bennee(a)linaro.org> - posted [PATCH for 5.0 v2 00/10] A selection of sanitiser fixes Message-Id: <20200401094759.5835-1-alex.bennee(a)linaro.org> - the linux-user guest map is better targeted at next week - posted [PATCH v3 for 5.0-rc2 00/12] a selection of random fixes Message-Id: <20200403191150.863-1-alex.bennee(a)linaro.org> [VIRT-109] <https://projects.linaro.org/browse/VIRT-109> Completed Reviews [1/1] ======================= [PATCH for-5.0 v3 0/7] configure: Improve PIE and other linkage Message-Id: <20200327220353.27233-1-richard.henderson(a)linaro.org> Absences ======== - Splitting time between work and home-schooling Current Review Queue ==================== * [PATCH v4 00/10] tests/vm: Add support for aarch64 VMs Message-Id: <20200312142728.12285-1-robert.foley(a)linaro.org> Added: <2020-03-27 Fri> * [PATCH v8 00/74] per-CPU locks Message-Id: <20200326193156.4322-1-robert.foley(a)linaro.org> Added: <2020-03-27 Fri> * [virtio-dev] [RFC PATCH] virtio-iommu: Add PAGE_SIZE_MASK property Message-Id: <20200323133831.2110014-1-jean-philippe(a)linaro.org> Added: <2020-03-27 Fri> * [virtio-dev] [PATCH v2 00/10] virtio-mem: paravirtualized memory Message-Id: <20200311171422.10484-1-david(a)redhat.com> Added: <2020-03-27 Fri> -- Alex Bennée

5 years, 8 months

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[ACTIVITY] report week ending 3 Apr

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] - More freeze related wrangling... * VIRT-241 [QEMU ISA Support for A-profile] - pushed the ARMv8.2-TTS2UXN patchset out to the mailing list - found and fixed a bug in our PAN support where we were making PSTATE.PAN forbid execute access, not just data access * VIRT-364 [QEMU support for ARMv8.1-M extensions] - Started on some preliminary refactoring that we'll need so we can more conveniently modify the decoder for v8.1M: converting the A32/T32 Neon decoder to use decodetree. I've done the "post-v8.0 extensions" instructions, and started on the loads-and-stores. thanks -- PMM

5 years, 8 months

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TX2 + C++17 problems

by Jussi Lind

Hi, We are having some serious problems after we upgraded from C++14 to C++17 on an Jetson TX2 ARM device. Our system tests started to behave differently and fail. It seems that when our application uses a library (also developed by us) some data gets corrupted when delivered to a class constructor. For example, the .second of and std::pair<float> appears to be the .first and the .second is garbage. This is deterministic, but different tests are failing depending on the combination: library C++17/C++14 <-> application C++14/C++17. This is on Ubuntu 18.04 and gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04). Nothing like this happens on Intel. So: ARM, C++14: OK Intel, C++14: OK ARM, C++17: FAIL Intel, C++17: OK Any ideas what could cause this? I know this is a bit vague, but this a commercial, closed-source application so I cannot yet give any other information. BR, Jussi Lind

5 years, 8 months

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[ACTIVITY] week ending 29 Mar 2020

by Richard Henderson

[VIRT-349 # QEMU SVE2 Support ] Posted the first incremental patch set for review, as requested by Qualcomm. [VIRT-327 # Richard's upstream QEMU work ] Patch review, much of it 5.0 related, but also v6 of the riscv vector patch set. Revise the PIE and linkage patch set. r~

5 years, 8 months

1
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[ACTIVITY] 23-27 March 2020

by Christophe Lyon

== Progress == * GCC upstream validation: - reported a couple of failures/regressions * GCC: - comparing testsuite results for cortex-m3 and cortex-m33 with cortex-a9 to check what cortex-M problem there are. Fixed a few testcases. Managed to use qemu-system-arm to run cortex-m33 code with CMSE features. (Thanks to Peter Maydell for the help!) * misc: - infra fixes / troubleshooting / reviews == Next == * FDPIC GDB * GCC/cortex-M

5 years, 8 months

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[ACTIVITY] report week ending 27 Mar

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] - Softfreeze this week, so a lot of pull request handling, and one last small arm pullreq to put together and send out - Our Coverity Scan setup was broken (the person who usually does the builds updated his machine to a newer Fedora which broke the tool). I pulled up an old patchset I had from a year ago which scripts things so you can do a build-and-upload automatically via Docker so that we're not dependent on one person for this. This took longer than I expected as there were a bunch of things that needed fixing both in the scripting and in bits of the codebase that the tools warned about. Patch series sent. - When we did get a Coverity run through, it reported 112 new issues; spent some time going through and triaging them (lots of false positives but also lots of real bugs) and submitting patches for some of them. * VIRT-364 [QEMU support for ARMv8.1-M extensions] - sketched out the work required and created some 'story' level cards to go under the epic. Still open questions: + should we model Cortex-M55 or a more generic 'max' CPU? + what board model do we want to use? + does LITE have any guest code using v8.1M features for testing? Random notes: * my new desk chair and standing desk arrived this week (the latter still needs assembling...) so I am gradually improving the rough edges of my WFH setup. thanks -- PMM

5 years, 8 months

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[ACTIVITY] week ending Mar. 29 2020

by Alex Bennée

VirtIO Related Work ([VIRT-366]) ================================ - posted [RFC PATCH 0/8] some tweaks to the document build process Message-Id: <20200327103803.10460-1-alex.bennee(a)linaro.org> [VIRT-366] <https://projects.linaro.org/browse/VIRT-366> Upstream Work ([VIRT-109]) ========================== - posted [PATCH v1 for 5.0 00/11] testing/next Message-Id: <20200323161514.23952-1-alex.bennee(a)linaro.org> - posted [PULL for 5.0-rc1 00/11] testing updates (+ one mttcg change) Message-Id: <20200325151543.32478-1-alex.bennee(a)linaro.org> - needed [PATCH] qemu/atomic.h: add #ifdef guards for stdatomic.h Message-Id: <20200326170121.13045-1-alex.bennee(a)linaro.org> - posted [PATCH for 5.0 v1 0/7] A selection of sanitiser fixes Message-Id: <20200327094945.23768-2-alex.bennee(a)linaro.org> - posted [PULL v2 for 5.0 00/12] testing updates (+ one mttcg change) Message-Id: <20200327181320.23329-1-alex.bennee(a)linaro.org> [VIRT-109] <https://projects.linaro.org/browse/VIRT-109> Completed Reviews [3/3] ======================= [PATCH-for-5.0 v2 0/4] tests/docker: Fixes for 5.0 Message-Id: <20200322120104.21267-1-philmd(a)redhat.com> - CLOSING NOTE [2020-03-23 Mon 10:00] Simple enough Added: <2020-03-22 Sun> [PATCH] qemu-user: fix build with LLVM lld 10 Message-Id: <20200327140839.GB28583@Air-de-Roger> [virtio-dev] [PATCH v3] Add virtio SCMI device specification Message-Id: <87blonas8y.fsf(a)linaro.org> Absences ======== - Splitting time between work and home-schooling Current Review Queue ==================== * [PATCH v4 00/10] tests/vm: Add support for aarch64 VMs Message-Id: <20200312142728.12285-1-robert.foley(a)linaro.org> Added: <2020-03-27 Fri> * [PATCH v8 00/74] per-CPU locks Message-Id: <20200326193156.4322-1-robert.foley(a)linaro.org> Added: <2020-03-27 Fri> * [virtio-dev] [RFC PATCH] virtio-iommu: Add PAGE_SIZE_MASK property Message-Id: <20200323133831.2110014-1-jean-philippe(a)linaro.org> Added: <2020-03-27 Fri> * [virtio-dev] [PATCH v2 00/10] virtio-mem: paravirtualized memory Message-Id: <20200311171422.10484-1-david(a)redhat.com> Added: <2020-03-27 Fri> -- Alex Bennée

5 years, 8 months

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[ACTIVITY] 23 - 27 March 2020

by Diana Picus

== Progress == * Out of office 1 day * More Morello - Patch set for the 'disassemble' command in review - Working on the final part of the capability formatting == Plan == * More Morello

5 years, 8 months

1
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[ACTIVITY] week ending 22 Mar 2020

by Richard Henderson

Progress: [VIRT-349 # QEMU SVE2 Support ] 10 of N insn groups implemented. Annoyingly, there doesn't seem to be a summary of new insns, so confirming that all of the insns have been implemented. [VIRT-327 # Richard's upstream QEMU work ] Patch review. Mostly Phil's arm --disable-tcg set. Cleanup for some of the new Coverity reports. Flush tcg patch queue. [GCC] Two revisions improving TImode comparisons for aarch64 (PR94174). https://gcc.gnu.org/pipermail/gcc-patches/2020-March/542447.html [Kernel] Follow-up on a discussion a few weeks ago re __range_ok. The gcc cmpti patch set is in support of that, but I also found a much better solution for constant sized checks. http://lists.infradead.org/pipermail/linux-arm-kernel/2020-March/719754.html r~

5 years, 8 months

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[ACTIVITY] week ending Mar. 22 2020

by Alex Bennée

VirtIO Related Work ([VIRT-366]) ================================ - Whole bunch of scoping work on tasks for this cycle - Briefed the TSC Strategic Meeting on work plan - Feedback on Friday call seemed positive, hopefully will get the votes [VIRT-366] <https://projects.linaro.org/browse/VIRT-366> QEMU Tooling ([VIRT-252]) ========================= Extend gdbstub for SVE ([VIRT-281]) - posted [PATCH v1 00/28 for 5.0] testing and gdbstub Message-Id: <20200316172155.971-1-alex.bennee(a)linaro.org> - now merged and parent cards closed out including <https://projects.linaro.org/browse/VIRT-26> Upstream Work ([VIRT-109]) ========================== - posted [PATCH v1 0/5] testing updates (docker and acceptance CI tweaks) Message-Id: <20200309202318.3481-1-alex.bennee(a)linaro.org> - spent a fair time fighting with check-acceptance tests weirdness - fielded questions from potential students for GSoC cache modelling project - more time tracking down "check-acceptance" issues - posted [RFC PATCH for 5.0] configure: disable MTTCG for MIPS guests Message-Id: <20200320114522.16273-1-alex.bennee(a)linaro.org> Completed Reviews [2/2] ======================= [PATCH v10 0/3] Acceptance test: Add "boot_linux" acceptance test Message-Id: <20200317141654.29355-3-crosa(a)redhat.com> [PATCH 0/5] QEMU Gating CI Message-Id: <20200312193616.438922-5-crosa(a)redhat.com> Absences ======== - Splitting time between work and home-schooling Current Review Queue ==================== * [PATCH 0/2] thread: add lock guard macros Message-Id: <20200311123624.277221-1-stefanha(a)redhat.com> Added: <2020-03-11 Wed> * [PATCH v8 0/9] qemu-binfmt-conf.sh Message-Id: <20200307170251.GA7@dd5f6ec33fb0> Added: <2020-03-08 Sun> * [RFC][PATCH 0/3] IVSHMEM version 2 device for QEMU Message-Id: <cover.1573477032.git.jan.kiszka(a)siemens.com> Added: <2020-02-14 Fri> * [RFC 0/9] Add an interVM memory sharing device Message-Id: <1580815851-28887-1-git-send-email-i.kotrasinsk(a)partner.samsung.com> Added: <2020-02-05 Wed> -- Alex Bennée

5 years, 8 months

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[ACTIVITY] 16-20 March 2020

by Christophe Lyon

== Progress == * BFD Linker: - GNU-629: non-contiguous memory support: minor follow-ups * GCC upstream validation: - reported a couple of failures/regressions - PR90378 working on reproducing a non-functional code problem with spec2006 on arm with LTO and -Os. Looks like a stack corruption issue * GCC: - comparing testsuite results for cortex-m3 and cortex-m33 with cortex-a9 to check what cortex-M problem there are. * misc: - infra fixes / troubleshooting / reviews == Next == * spec2006 / LTO / Os / aarch32 * FDPIC GDB * GCC/cortex-M

5 years, 8 months

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[ACTIVITY] report week ending Mar 20

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] - Softfreeze this week, so a lot of pull request handling, and one last small arm pullreq to put together and send out - Our Coverity Scan setup was broken (the person who usually does the builds updated his machine to a newer Fedora which broke the tool). I pulled up an old patchset I had from a year ago which scripts things so you can do a build-and-upload automatically via Docker so that we're not dependent on one person for this. This took longer than I expected as there were a bunch of things that needed fixing both in the scripting and in bits of the codebase that the tools warned about. Patch series sent. - When we did get a Coverity run through, it reported 112 new issues; spent some time going through and triaging them (lots of false positives but also lots of real bugs) thanks -- PMM

5 years, 8 months

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[ACTIVITY]

by Diana Picus

== Progress == * Out of office 1 day * More Morello ('disassemble' command) == Plan == * More Morello * Will probably be out of office more with toddler

5 years, 8 months

1
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GDB bad in gcc-linaro-7.5.0-2019.12-i686-mingw32_arm-linux-gnueabihf ?

by Steve Kledtke

Howdy, 1st post on this list. I just tried the windows binaries found on the latest-7 release site, namely of: gcc-linaro-7.5.0-2019.12-i686-mingw32_arm-linux-gnueabihf When I go into the bin folder and enter: .\arm-linux-gnueabihf-gdb.exe --version It outputs nothing, just returns. The version I used prior, 7.3.1, still works as supposed. Notable is that from 7.3.1 to 7.5.0, the gdb.exe size grew from ~96MB to ~128MB. I re-downloaded the whole tar again and replaced the bin folder, no change. I can actually *build* a C++ project with those binaries, though, and the output executable works. Only GDB seems to be affected so far.

5 years, 8 months

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[ACTIVITY] 2 weeks ending 15 May 2020

by Richard Henderson

[VIRT-344 # ARMv8.5-MemTag, Memory Tagging Extension ] Reorg sve load/stores w/probe_access_flags. Posted v6, now including support for sve. [VIRT-327 # Richard's upstream QEMU work ] Posted v3 of tbi cleanups. Updated a forgotten patch vs sve fmla/fcmla. Oodles of patch review. r~

5 years, 9 months

1
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[ACTIVITY] week ending Mar. 15 2020

by Alex Bennée

VirtIO Related Work ([VIRT-366]) ================================ - posted [PATCH] tools/virtiofsd: add support for --socket-group Message-Id: <20200312104142.21259-1-alex.bennee(a)linaro.org> - continued discussion on approaches on virtio-dev list Message-Id: <874kv15o4q.fsf(a)linaro.org> - email threads with Qualcomm Message-Id: <CAHFG_=WY8duYm7xNTNo=iGZKqD12gt9ps05pyc1qmbUDcLM0Bw(a)mail.gmail.com> to drill down on their requirements - two long HOs with Qualcomm and Google to further discuss work - I feel like there a few tasks forming which I will try an clean-up the breakdown on the initiate for next week. [VIRT-366] <https://projects.linaro.org/browse/VIRT-366> Upstream Work ([VIRT-109]) ========================== - posted [PATCH v1 0/5] testing updates (docker and acceptance CI tweaks) Message-Id: <20200309202318.3481-1-alex.bennee(a)linaro.org> - spent a fair time fighting with check-acceptance tests weirdness - had an initial look at [PATCH 0/5] QEMU Gating CI Message-Id: <20200312193616.438922-1-crosa(a)redhat.com> [VIRT-109] <https://projects.linaro.org/browse/VIRT-109> Completed Reviews [6/6] ======================= [PATCH v7 00/18] Add Allwinner H3 SoC and Orange Pi PC Machine Message-Id: <20200310213203.18730-1-nieklinnenbank(a)gmail.com> [PATCH v16 00/10] VIRTIO-IOMMU device Message-Id: <20200214132745.23392-11-eric.auger(a)redhat.com> - CLOSING NOTE [2020-03-11 Wed 17:18] Already merged upstream Added: <2020-03-03 Tue> {PATCH v2 0/2} tests/tcg/multiarch: Add tests for implemented real Message-Id: <1581603905-21565-1-git-send-email-Filip.Bozuta(a)rt-rk.com> - CLOSING NOTE [2020-03-12 Thu 09:58] Not plumbed into the testing infrastructure so a bit of a code dump. Added: <2020-02-13 Thu> [PATCH v3 02/10] tests/vm: Add configuration to basevm.py Message-Id: <20200310182536.11137-3-robert.foley(a)linaro.org> [PATCH 0/4] tests/vm: minor install tweaks, update netbsd & freebsd Message-Id: <20200310083218.26355-1-kraxel(a)redhat.com> [PATCH 0/5] docs/system: Split target-arm.rst Message-Id: <20200309215818.2021-3-peter.maydell(a)linaro.org> Absences ======== - None Current Review Queue ==================== * [PATCH 0/2] thread: add lock guard macros Message-Id: <20200311123624.277221-1-stefanha(a)redhat.com> Added: <2020-03-11 Wed> * [PATCH v8 0/9] qemu-binfmt-conf.sh Message-Id: <20200307170251.GA7@dd5f6ec33fb0> Added: <2020-03-08 Sun> * [RFC][PATCH 0/3] IVSHMEM version 2 device for QEMU Message-Id: <cover.1573477032.git.jan.kiszka(a)siemens.com> Added: <2020-02-14 Fri> * [RFC 0/9] Add an interVM memory sharing device Message-Id: <1580815851-28887-1-git-send-email-i.kotrasinsk(a)partner.samsung.com> Added: <2020-02-05 Wed> -- Alex Bennée

5 years, 9 months

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[ACTIVITY] report week ending 13 Mar

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] - More documentation cleanup (splitting the Arm boards section up into one page per board) - Various patch review - Put together last large pull request before softfreeze hits next week - Fixed the Windows installer generation, which I broke in the process of moving the HTML docs around - Fixed read buffer overrun in i82596 device model spotted by coverity - Fixed a user-experience papercut that's been bothering me for years: for arm you needed to specify '-M virt' to avoid an error even if all you wanted was the '-cpu help' or '-device help' output. * VIRT-241 [QEMU ISA Support for A-profile] - Jira gardening: split out the optional parts of each architectural tick sub-epic, and added the new 8.6 tasks thanks -- PMM

5 years, 9 months

1
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[ACTIVITY] 9-13 March 2020

by Christophe Lyon

== Progress == * BFD Linker: - GNU-629: non-contiguous memory support: patch accepted and committed * GCC upstream validation: - reported a couple of failures/regressions - PR90378 working on reproducing a non-functional code problem with spec2006 on arm with LTO and -Os * misc: - infra fixes / troubleshooting / reviews == Next == * spec2006 / LTO / Os / aarch32 * FDPIC GDB

5 years, 9 months

1
0
0 0

[ACTIVITY] 9 - 13 March 2020

by Diana Picus

== Progress == * Out of office 1 day * More Morello (updating for new capability encoding, disassembling correctly) == Plan == * More Morello

5 years, 9 months

1
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Linaro tool chain version for ARMv9

by Chun-Chia Hsu (許峻嘉)

Hi Sir, I have some questions for tool chain: 1. Can the latest version “linaro-gcc/7.5” support ARMv9 new ISA? 2. If not, when will the new release version can support? Thanks a lot. Chun-Chia

5 years, 9 months

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