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2018-03-02decodetree: Propagate return value from translate subroutinesRichard Henderson1-3/+2
Allow the translate subroutines to return false for invalid insns. At present we can of course invoke an invalid insn exception from within the translate subroutine, but in the short term this consolidates code. In the long term it would allow the decodetree language to support overlapping patterns for ISA extensions. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227232618.2908-1-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-22scripts: Add decodetree.pyRichard Henderson1-0/+1062
To be used to decode ARM SVE, but could be used for any fixed-width ISA. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-02-19Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell2-3/+5
into staging # gpg: Signature made Mon 19 Feb 2018 16:19:46 GMT # gpg: using RSA key 9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: trace: avoid SystemTap "char const" warnings tracetool: For ust trace bool type as ctf_integer tracetool: Update argument format regex to non-greedy star Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-19tracetool: For ust trace bool type as ctf_integerJon Emil Jahren1-1/+2
Previously functions having arguments of type bool was not traced properly. The bool arguments were missing from the trace. Signed-off-by: Jon Emil Jahren <jonemilj@gmail.com> Message-id: 20180129041648.30884-3-jonemilj@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-02-19tracetool: Update argument format regex to non-greedy starJon Emil Jahren1-2/+3
Using the greedy star matching, arguments like "...%"PRIx64 caused issues for functions with multiple PRI formats. The issue was only seen with the ust backend, as it is the only one using the format regex. The result for many functions was that the arguments coming after the greedy star end was left out of the tracepoint, and in some cases some of the arguments that was traced had the wrong format. Signed-off-by: Jon Emil Jahren <jonemilj@gmail.com> Message-id: 20180129041648.30884-2-jonemilj@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-02-19scripts/update-linux-headers: import pvrdma headersMarcel Apfelbaum1-0/+30
Modify the script to import the headers used by the pvrdma device. Part of them are interfaces between the guest driver and the device, import them under include/standart-headers/drivers/infiniband/... . Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary import of several infiniband/networking/other headers. Reviewed-by: Gal Hammer <ghammer@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
2018-02-10build: fix typo in error messageLaurent Vivier1-1/+1
Signed-off-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Fixes: f62bbee55d503f639ee9498878ebf42ff4f4299a
2018-02-10scripts/make-release: Don't archive .git filesCole Robinson1-3/+2
As was last done in 379e21c25, we don't want .git files for submodules here, which we aren't presently doing for capstone and keycodemapdb. Rather than delete the offending files before archiving, ask tar to --exclude=.git Signed-off-by: Cole Robinson <crobinso@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Thomas Huth <thuth@redhat.com>
2018-02-10scripts/argparse.py: spelling (independant)Michael Tokarev1-1/+1
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Eric Blake <eblake@redhat.com>
2018-02-09Include qapi/qmp/qdict.h exactly where neededMarkus Armbruster2-2/+2
This cleanup makes the number of objects depending on qapi/qmp/qdict.h drop from 4550 (out of 4743) to 368 in my "build everything" tree. For qapi/qmp/qobject.h, the number drops from 4552 to 390. While there, separate #include from file comment with a blank line. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-13-armbru@redhat.com>
2018-02-09Eliminate qapi/qmp/types.hMarkus Armbruster1-1/+0
qapi/qmp/types.h is a convenience header to include a number of qapi/qmp/ headers. Since we rarely need all of the headers qapi/qmp/types.h includes, we bypass it most of the time. Most of the places that use it don't need all the headers, either. Include the necessary headers directly, and drop qapi/qmp/types.h. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-9-armbru@redhat.com>
2018-02-09Include qapi/error.h exactly where neededMarkus Armbruster2-2/+3
This cleanup makes the number of objects depending on qapi/error.h drop from 1910 (out of 4743) to 1612 in my "build everything" tree. While there, separate #include from file comment with a blank line, and drop a useless comment on why qemu/osdep.h is included first. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-5-armbru@redhat.com> [Semantic conflict with commit 34e304e975 resolved, OSX breakage fixed]
2018-02-07Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell1-0/+1
* socket option parsing fix (Daniel) * SCSI fixes (Fam) * Readline double-free fix (Greg) * More HVF attribution fixes (Izik) * WHPX (Windows Hypervisor Platform Extensions) support (Justin) * POLLHUP handler (Klim) * ivshmem fixes (Ladi) * memfd memory backend (Marc-André) * improved error message (Marcelo) * Memory fixes (Peter Xu, Zhecheng) * Remove obsolete code and comments (Peter M.) * qdev API improvements (Philippe) * Add CONFIG_I2C switch (Thomas) # gpg: Signature made Wed 07 Feb 2018 15:24:08 GMT # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (47 commits) Add the WHPX acceleration enlightenments Introduce the WHPX impl Add the WHPX vcpu API Add the Windows Hypervisor Platform accelerator. tests/test-filter-redirector: move close() tests: use memfd in vhost-user-test vhost-user-test: make read-guest-mem setup its own qemu tests: keep compiling failing vhost-user tests Add memfd based hostmem memfd: add hugetlbsize argument memfd: add hugetlb support memfd: add error argument, instead of perror() cpus: join thread when removing a vCPU cpus: hvf: unregister thread with RCU cpus: tcg: unregister thread with RCU, fix exiting of loop on unplug cpus: dummy: unregister thread with RCU, exit loop on unplug cpus: kvm: unregister thread with RCU cpus: hax: register/unregister thread with RCU, exit loop on unplug ivshmem: Disable irqfd on device reset ivshmem: Improve MSI irqfd error handling ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # cpus.c
2018-02-05qemu.py: don't launch again before shutdown()Amador Pahim1-0/+8
If a VM is launched, files are created and a cleanup is required before a new launch. This cleanup is executed by shutdown(), so shutdown() must be called even if the VM is manually terminated (i.e. using kill). This patch creates a control to make sure launch() will not be executed again if shutdown() is not called after the previous launch(). Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20180122205033.24893-7-apahim@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qemu.py: cleanup redundant calls in launch()Amador Pahim1-5/+1
Now that shutdown() is guaranteed to always execute self._load_io_log() and self._post_shutdown(), their calls in 'except' became redundant and we can safely replace it by a call to shutdown(). Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20180122205033.24893-6-apahim@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qemu.py: use poll() instead of 'returncode'Amador Pahim1-2/+2
The 'returncode' Popen attribute is not guaranteed to be updated. It actually depends on a call to either poll(), wait() or communicate(). On the other hand, poll() will: "Check if child process has terminated. Set and return returncode attribute." Let's use the poll() to check whether the process is running and to get the updated process exit code, when the process is finished. Reviewed-by: Fam Zheng <famz@redhat.com> eviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20180122205033.24893-5-apahim@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qemu.py: always cleanup on shutdown()Amador Pahim1-4/+5
Currently we only cleanup on shutdown() if the VM is running. To make sure we will always cleanup, this patch makes the self._load_io_log() and the self._post_shutdown() to always be called on shutdown(), regardless the VM running state. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20180122205033.24893-4-apahim@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qemu.py: refactor launch()Amador Pahim1-11/+18
This is just a refactor to separate the exception handler from the actual launch procedure, improving the readability and making future maintenances in this piece of code easier. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20180122205033.24893-3-apahim@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qemu.py: better control of created filesAmador Pahim1-10/+29
To launch a VM, we need to create basically two files: the monitor socket (if it's a UNIX socket) and the qemu log file. For the qemu log file, we currently just open the path, which will create the file if it does not exist or overwrite the file if it does exist. For the monitor socket, if it already exists, we are currently removing it, even if it's not created by us. This patch moves to _pre_launch() the responsibility to create a temporary directory to host the files so we can remove the whole directory on _post_shutdown(). Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20180122205033.24893-2-apahim@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qemu.py: remove unused importAmador Pahim1-1/+0
Removing 'import sys' as it's not used anywhere. Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20171114102246.22221-2-apahim@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05scripts: ensure signrom treats data as bytesDaniel P. Berrange1-2/+2
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-10-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qapi: ensure stable sort ordering when checking QAPI entitiesDaniel P. Berrange1-1/+1
Some early python 3.x versions will have different default ordering when calling the 'values()' method on a dict, compared to python 2.x and later 3.x versions. Explicitly sort the items to get a stable ordering. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-8-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qapi: Adapt to moved location of 'maketrans' function in py3Daniel P. Berrange1-1/+4
Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-6-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qapi: adapt to moved location of StringIO module in py3Daniel P. Berrange1-2/+5
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-5-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qapi: Use OrderedDict from standard library if availableDaniel P. Berrange1-1/+4
The OrderedDict class appeared in the 'collections' module from python 2.7 onwards, so use that in preference to our local backport if available. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-4-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qapi: use items()/values() intead of iteritems()/itervalues()Daniel P. Berrange2-7/+7
The iteritems()/itervalues() methods are gone in py3, but the items()/values() methods are still around. The latter are less efficient than the former in py2, but this has unmeasurably small impact on QEMU build time, so taking portability over efficiency is a net win. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-3-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05qapi: convert to use python print function instead of statementDaniel P. Berrange2-10/+11
Python 3 no longer supports the bare "print" statement, it must be called as a normal function with round brackets. It is possible to opt-in to this new syntax with Python 2.6 onwards by importing the "print_function" from the "__future__" module, making it easy to support Python 2 and 3 in parallel. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180116134217.8725-2-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-05scripts/qemu-gdb/timers.py: define encoding in header commentGreg Kurz1-0/+1
This is required otherwise python complains because of the accentuated letter in Alex's last name: Traceback (most recent call last): File "scripts/qemu-gdb.py", line 29, in <module> from qemugdb import aio, mtree, coroutine, tcg, timers File "scripts/qemugdb/timers.py", line 1 SyntaxError: Non-ASCII character '\xc3' in file scripts/qemugdb/timers.py on line 1, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <151629549711.18276.15497684562308683805.stgit@bahia.lan> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-01dump-guest-memory.py: skip vmcoreinfo section if not availableMarc-André Lureau1-0/+2
On some architectures, qemu doesn't support vmcoreinfo device, and dump-guest-memory fails: (gdb) dump-guest-memory /tmp/vmcore ppc64-le guest RAM blocks: target_start target_end host_addr message count ---------------- ---------------- ---------------- ------- ----- 0000000000000000 0000000200000000 00003ffd86980000 added 1 0000200080000000 0000200080800000 00003ffd86170000 added 2 Python Exception <class 'gdb.error'> No symbol "vmcoreinfo_realize" in current context.: Error occurred in Python command: No symbol "vmcoreinfo_realize" in current context. Check that vmcoreinfo_realize symbol exists before evaluating an expression with it. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2018-01-29tracetool: report error on foo() instead of foo(void)Stefan Hajnoczi1-0/+2
C functions with no arguments must be declared foo(void) instead of foo(). The tracetool argument list parser has never accepted an empty argument list. This patch adds a clear error message for this error case. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20180110202553.31889-4-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-01-29tracetool: clarify that "formats" means "format strings"Stefan Hajnoczi1-4/+4
The terminology used by tracetool is not consistent with C sprintf or docs/devel/tracing.txt. The word "formats" is sometimes used to mean "format strings". This patch clarifies comments and error messages that contain this word. Note that the error message lines are longer than 80 characters but I have not wrapped them to aid grepping. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20180110202553.31889-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-01-29tracetool: prefix parse errors with line numbersStefan Hajnoczi1-2/+7
Include the file line number in the message that is printed when trace-events parse errors are raised. [Use enumerate(fobj, 1) to avoid having to increment a 0-based index later, as suggested by Eric Blake. --Stefan] Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20180110202553.31889-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-01-24Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell1-0/+1
staging Pull request v2: * Drop merge failure from a previous pull request that broke virtio-blk on ARM guests * Add Parallels XML patch series # gpg: Signature made Mon 22 Jan 2018 16:00:40 GMT # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/block-pull-request: block/parallels: add backing support to readv/writev block/parallels: replace some magic numbers block/parallels: move some structures into header configure: add dependency docs/interop/prl-xml: description of Parallels Disk format block: add block_set_io_throttle virtio-blk-pci QMP example Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-22configure: add dependencyKlim Kireev1-0/+1
This dependency is required for adequate Parallels images support. Typically the disk consists of several images which are glued by XML disk descriptor. Also XML hides inside several important parameters which are not available in the image header. The patch also adds clause to checkpatch.pl to understand libxml2 types. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Klim Kireev <klim.kireev@virtuozzo.com> Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20180112090122.1702-3-klim.kireev@virtuozzo.com CC: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-01-20dump-guest-memory.py: fix python 2 supportMarc-André Lureau1-1/+1
Python GDB support may use Python 2 or 3. Inferior.read_memory() may return a 'buffer' with Python 2 or a 'memoryview' with Python 3 (see also https://sourceware.org/gdb/onlinedocs/gdb/Inferiors-In-Python.html) The elf.add_vmcoreinfo_note() method expects a "bytes" object. Wrap the returned memory with bytes(), which works with both 'memoryview' and 'buffer'. Fixes a regression introduced with commit d23bfa91b7789534d16ede6cb7d925bfac3f3c4c ("add vmcoreinfo"). Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2018-01-19scripts: Remove fixed entries from the device-crash-testThomas Huth1-8/+0
These are crashes / errors which have been fixed already in the past months. We can remove these from the device-crash-test script now. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1513613438-11017-1-git-send-email-thuth@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-01-16Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell5-1/+207
* QemuMutex tracing improvements (Alex) * ram_addr_t optimization (David) * SCSI fixes (Fam, Stefan, me) * do {} while (0) fixes (Eric) * KVM fix for PMU (Jan) * memory leak fixes from ASAN (Marc-André) * migration fix for HPET, icount, loadvm (Maria, Pavel) * hflags fixes (me, Tao) * block/iscsi uninitialized variable (Peter L.) * full support for GMainContexts in character devices (Peter Xu) * more boot-serial-test (Thomas) * Memory leak fix (Zhecheng) # gpg: Signature made Tue 16 Jan 2018 14:15:45 GMT # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (51 commits) scripts/analyse-locks-simpletrace.py: script to analyse lock times util/qemu-thread-*: add qemu_lock, locked and unlock trace events cpu: flush TB cache when loading VMState block/iscsi: fix initialization of iTask in iscsi_co_get_block_status find_ram_offset: Align ram_addr_t allocation on long boundaries find_ram_offset: Add comments and tracing cpu_physical_memory_sync_dirty_bitmap: Another alignment fix checkpatch: Enforce proper do/while (0) style maint: Fix macros with broken 'do/while(0); ' usage tests: Avoid 'do/while(false); ' in vhost-user-bridge chardev: Clean up previous patch indentation chardev: Use goto/label instead of do/break/while(0) mips: Tweak location of ';' in macros net: Drop unusual use of do { } while (0); irq: fix memory leak cpus: unify qemu_*_wait_io_event icount: fixed saving/restoring of icount warp timers scripts/qemu-gdb/timers.py: new helper to dump timer state scripts/qemu-gdb: add simple tcg lock status helper target-i386: update hflags on Hypervisor.framework ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-16scripts/analyse-locks-simpletrace.py: script to analyse lock timesAlex Bennée1-0/+99
This script allows analysis of mutex acquisition and hold times based on a trace file. Given a trace control file of: qemu_mutex_lock qemu_mutex_locked qemu_mutex_unlock And running with: $QEMU $QEMU_ARGS -trace events=./lock-trace You can analyse the results with: ./scripts/analyse-locks-simpletrace.py trace-events-all ./trace-21812 Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-01-16checkpatch: Enforce proper do/while (0) styleEric Blake1-0/+5
Use of a loop construct for code that is not intended to repeat does not make much idiomatic sense, except in one place: it is a common usage in macros in order to wrap arbitrary code with single-statement semantics. But when used in a macro, it is more typical for the caller to supply the trailing ';' when calling the macro. Although qemu coding style frowns on bare: if (cond) statement1; else statement2; where extra semicolons actually cause syntax errors, we still want our macro styles to be easily copied to other projects. Thus, declare it an error if we encounter any form of 'while (0)' with a semicolon in the same line. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20171201232433.25193-8-eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-01-16scripts/qemu-gdb/timers.py: new helper to dump timer stateAlex Bennée2-1/+56
This introduces the qemu-gdb command "qemu timers" which will dump the state of the main timers in the system. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-01-16scripts/qemu-gdb: add simple tcg lock status helperAlex Bennée2-1/+48
Add a simple helper to dump lock state. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-01-15migration: fix analyze-migration.py script with radix tableLaurent Vivier1-0/+4
Since commit 3a38429748 ("Add a "no HPT" encoding to HTAB migration stream") the HTAB migration stream contains a header set to "-1", meaning there is no HPT. Teach analyze-migration.py to ignore the section in this case. Without this fix, the script fails with a dump from a POWER9 guest: Traceback (most recent call last): File "./qemu/scripts/analyze-migration.py", line 602, in <module> dump.read(dump_memory = args.memory) File "./qemu/scripts/analyze-migration.py", line 539, in read section.read() File "./qemu/scripts/analyze-migration.py", line 250, in read self.file.readvar(n_valid * self.HASH_PTE_SIZE_64) File "./qemu/scripts/analyze-migration.py", line 64, in readvar raise Exception("Unexpected end of %s at 0x%x" % (self.filename, self.file.tell())) Exception: Unexpected end of migrate.dump at 0x1d4763ba Fixes: 3a38429748 ("Add a "no HPT" encoding to HTAB migration stream") Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: Juan Quintela <quintela@redhat.com>
2018-01-11Merge remote-tracking branch ↵Peter Maydell1-4/+11
'remotes/pmaydell/tags/pull-target-arm-20180111' into staging target-arm queue: * add aarch64_be linux-user target * Virt: ACPI: fix qemu assert due to re-assigned table data address * imx_fec: various bug fixes and cleanups * hw/timer/pxa2xx_timer: replace hw_error() -> qemu_log_mask() * hw/sd/pxa2xx_mmci: add read/write() trace events * linux-user/arm/nwfpe: Check coprocessor number for FPA emulation * target/arm: Make disas_thumb2_insn() generate its own UNDEF exceptions * hw/intc/arm_gicv3: Make reserved register addresses RAZ/WI * hw/intc/arm_gic: reserved register addresses are RAZ/WI # gpg: Signature made Thu 11 Jan 2018 13:37:25 GMT # gpg: using RSA key 0x3C2525ED14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20180111: (26 commits) hw/intc/arm_gic: reserved register addresses are RAZ/WI hw/intc/arm_gicv3: Make reserved register addresses RAZ/WI target/arm: Make disas_thumb2_insn() generate its own UNDEF exceptions linux-user/arm/nwfpe: Check coprocessor number for FPA emulation hw/sd/pxa2xx_mmci: add read/write() trace events hw/timer/pxa2xx_timer: replace hw_error() -> qemu_log_mask() imx_fec: Reserve full FSL_IMX25_FEC_SIZE page for the register file imx_fec: Fix a typo in imx_enet_receive() imx_fec: Use correct length for packet size imx_fec: Add support for multiple Tx DMA rings imx_fec: Emulate SHIFT16 in ENETx_RACC imx_fec: Use MIN instead of explicit ternary operator imx_fec: Use ENET_FTRL to determine truncation length imx_fec: Move Tx frame buffer away from the stack imx_fec: Change queue flushing heuristics imx_fec: Refactor imx_eth_enable_rx() imx_fec: Do not link to netdev Virt: ACPI: fix qemu assert due to re-assigned table data address target/arm: Fix stlxp for aarch64_be linux-user: Activate armeb handler registration ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-11linux-user: Activate armeb handler registrationMichael Weiser1-1/+1
armeb is missing from the target list in qemu-binfmt-conf.sh. Add it so the handler for those binaries gets registered by the script. Signed-off-by: Michael Weiser <michael.weiser@gmx.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-id: 20171220212308.12614-8-michael.weiser@gmx.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-11linux-user: Separate binfmt arm CPU familiesMichael Weiser1-3/+6
Give big-endian arm and aarch64 CPUs their own family in qemu-binfmt-conf.sh to make sure we register qemu-user for binaries of the opposite endianness on arm and aarch64. Apart from the family assignments of the magic values, qemu_get_family() needs to be able to distinguish the two and recognise aarch64{,_be} as well. Signed-off-by: Michael Weiser <michael.weiser@gmx.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-id: 20171220212308.12614-7-michael.weiser@gmx.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-11linux-user: Add aarch64_be magic numbers to qemu-binfmt-conf.shMichael Weiser1-1/+5
As we now have a linux-user aarch64_be target, we can add it to the list of supported targets in qemu-binfmt-conf.sh Signed-off-by: Michael Weiser <michael.weiser@gmx.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-id: 20171220212308.12614-6-michael.weiser@gmx.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-10hw/ppc: Remove the deprecated spapr-pci-vfio-host-bridge deviceThomas Huth1-1/+0
It's a deprecated dummy device since QEMU v2.6.0. That should have been enough time to allow the users to update their scripts in case they still use it, so let's remove this legacy code now. Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-01-08Merge remote-tracking branch 'remotes/elmarco/tags/dump-pull-request' into ↵Peter Maydell1-2/+1
staging # gpg: Signature made Tue 02 Jan 2018 13:51:26 GMT # gpg: using RSA key 0xDAE8E10975969CE5 # gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" # gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" # Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5 * remotes/elmarco/tags/dump-pull-request: dump-guest-memory.py: fix "You can't do that without a process to debug" dump: fix note_name_equal() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-01-02dump-guest-memory.py: fix "You can't do that without a process to debug"Marc-André Lureau1-2/+1
If the script is run with a core (no running process), it produces an error: (gdb) dump-guest-memory /tmp/vmcore X86_64 guest RAM blocks: target_start target_end host_addr message count ---------------- ---------------- ---------------- ------- ----- 0000000000000000 00000000000a0000 00007f7935800000 added 1 00000000000a0000 00000000000b0000 00007f7934200000 added 2 00000000000c0000 00000000000ca000 00007f79358c0000 added 3 00000000000ca000 00000000000cd000 00007f79358ca000 joined 3 00000000000cd000 00000000000e8000 00007f79358cd000 joined 3 00000000000e8000 00000000000f0000 00007f79358e8000 joined 3 00000000000f0000 0000000000100000 00007f79358f0000 joined 3 0000000000100000 0000000080000000 00007f7935900000 joined 3 00000000fd000000 00000000fe000000 00007f7934200000 added 4 00000000fffc0000 0000000100000000 00007f7935600000 added 5 Python Exception <class 'gdb.error'> You can't do that without a process to debug.: Error occurred in Python command: You can't do that without a process to debug. Replace the object_resolve_path_type() function call with a local volatile variable. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2017-12-27target/*helper: don't check retaddr before calling cpu_restore_stateAlex Bennée1-0/+19
cpu_restore_state officially supports being passed an address it can't resolve the state for. As a result the checks in the helpers are superfluous and can be removed. This makes the code consistent with other users of cpu_restore_state. Of course this does nothing to address what to do if cpu_restore_state can't resolve the state but so far it seems this is handled elsewhere. The change was made with included coccinelle script. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> [rth: Fixed up comment indentation. Added second hunk to script to combine cpu_restore_state and cpu_loop_exit.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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