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* plugin: propagate errorsPaolo Bonzini2020-12-151-17/+17
| | | | | | | | | | | | qemu_finish_machine_init currently can only exit QEMU if it fails. Prepare for giving it proper error propagation, and possibly for adding a plugin_add monitor command that calls an accelerator method. While at it, make all errors from plugin_load look the same. Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Remove superfluous .gitignore filesThomas Huth2020-10-131-2/+0Star
| | | | | | | | Since we are now always doing out-of-tree builds, these gitignore files should not be necessary anymore. Message-Id: <20200919133637.72744-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
* plugins: Fixes a issue when dlsym failed, the handle not closedYonggang Luo2020-10-091-0/+1
| | | | | | | | Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201001163429.1348-2-luoyonggang@gmail.com> Message-Id: <20201007160038.26953-20-alex.bennee@linaro.org>
* meson: link emulators without Makefile.targetPaolo Bonzini2020-08-211-1/+9
| | | | | | | | The binaries move to the root directory, e.g. qemu-system-i386 or qemu-arm. This requires changes to qtests, CI, etc. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* meson: pluginsPaolo Bonzini2020-08-212-21/+5Star
| | | | | | | For now link arguments end up in Makefile.target, they will move to the right place soon. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qemu/qemu-plugin: Make qemu_plugin_hwaddr_is_io() hwaddr argument constPhilippe Mathieu-Daudé2020-05-151-2/+2
| | | | | | | | | | | | Rename qemu_plugin_hwaddr_is_io() address argument 'haddr' similarly to qemu_plugin_hwaddr_device_offset(), and make it const. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200510171119.20827-4-f4bug@amsat.org> Message-Id: <20200513173200.11830-4-alex.bennee@linaro.org>
* lockable: add QemuRecMutex supportStefan Hajnoczi2020-03-172-12/+11Star
| | | | | | | | | | | | The polymorphic locking macros don't support QemuRecMutex yet. Add it so that lock guards can be used with QemuRecMutex. Convert TCG plugins functions that benefit from these macros. Manual qemu_rec_mutex_lock/unlock() callers are left unmodified in cases where clarity would not improve by switching to the macros. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* plugins/core: add missing break in cb_to_tcg_flagsEmilio G. Cota2020-02-251-0/+1
| | | | | | | | | | | | Fixes: 54cb65d8588 Reported-by: Robert Henry <robhenry@microsoft.com> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200105072940.32204-1-cota@braap.org> Cc: qemu-stable@nongnu.org Message-Id: <20200225124710.14152-12-alex.bennee@linaro.org>
* plugins: Include trace/mem.h in api.cRichard Henderson2020-01-161-0/+1
| | | | | | | | | | Code movement in an upcoming patch will show that this file was implicitly depending on trace/mem.h being included beforehand. Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reported-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg plugins: expose an API version conceptAlex Bennée2019-11-122-0/+23
| | | | | | | | | | | | This is a very simple versioning API which allows the plugin infrastructure to check the API a plugin was built against. We also expose a min/cur API version to the plugin via the info block in case it wants to avoid using old deprecated APIs in the future. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Robert Foley <robert.foley@linaro.org>
* plugin: add qemu_plugin_outs helperAlex Bennée2019-10-282-0/+9
| | | | | | | | | Having the plugins grab stdout and spew stuff there is a bit ugly and certainly makes the tests look ugly. Provide a hook back into QEMU which can be redirected as needed. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Aaron Lindsay <aaron@os.amperecomputing.com>
* plugin: add qemu_plugin_insn_disas helperAlex Bennée2019-10-282-1/+9
| | | | | | | | | | Give the plugins access to the QEMU dissasembler so they don't have to re-invent the wheel. We generate a warning when there are spare bytes in the decode buffer. This is usually due to the front end loading in more bytes than decoded. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
* plugin: expand the plugin_init function to include an info blockAlex Bennée2019-10-281-4/+19
| | | | | | | | This provides a limited amount of info to plugins about the guest system that will allow them to make some additional decisions on setup. Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* plugin: add API symbols to qemu-plugins.symbolsEmilio G. Cota2019-10-283-0/+54
| | | | | | | Signed-off-by: Emilio G. Cota <cota@braap.org> [AJB: moved into plugins] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
* plugins: implement helpers for resolving hwaddrAlex Bennée2019-10-281-0/+49
| | | | | | | | | | | We need to keep a local per-cpu copy of the data as other threads may be running. Currently we can provide insight as to if the access was IO or not and give the offset into a given device (usually the main RAMBlock). We store enough information to get details such as the MemoryRegion which might be useful in later expansions to the API. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
* plugin: add implementation of the apiAlex Bennée2019-10-282-0/+278
| | | | | | [AJB: split from the core code commit] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
* plugin: add core codeEmilio G. Cota2019-10-284-0/+967
Signed-off-by: Emilio G. Cota <cota@braap.org> [AJB: moved directory and merged various fixes] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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