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2018-03-06scons: Switch from the print statement to the print function.Gabe Black
Starting with version 3, scons imposes using the print function instead of the print statement in code it processes. To get things building again, this change moves all python code within gem5 to use the function version. Another change by another author separately made this same change to the site_tools and site_init.py files. Change-Id: I2de7dc3b1be756baad6f60574c47c8b7e80ea3b0 Reviewed-on: https://gem5-review.googlesource.com/8761 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-02-01scons: Resolve backtrace implementation existence testing failureHanhwi Jang
Change backtrace implementation testing code not to have NULL pointer. SCons fails to find backtrace implementation even if it exists. The implementation testing code contains NULL pointers as a backtrace buffer argument. Some compilers check the buffer is NULL pointed or not, and generate a compilation error. Change-Id: Icc5bc9a887b7a6bbc804b5b8a5a35a935c78a922 Reviewed-on: https://gem5-review.googlesource.com/7681 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-27scons: Get rid of a flag which makes Werror optional.Gabe Black
This flag wasn't being used. Also move the Werror code to the SConstruct now that it's being applied universally. Change-Id: I18b00d4b41bc1add9271ca299c020c14970a6926 Reviewed-on: https://gem5-review.googlesource.com/5982 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-11-27scons: Move some compiler flag setting code to the SConstruct.Gabe Black
These settings are invariant, so there's no reason to apply them over and over again for the child environments used for various build products. Change-Id: Icb4053105e4f1c43008f2422ba30c7206b7ff365 Reviewed-on: https://gem5-review.googlesource.com/5981 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-11-10scons: Move Transform and termcap functionality into their own files.Gabe Black
Change-Id: Ica08e93f3873a7eafd02fe7d44c3bdbf0ce7f6b7 Reviewed-on: https://gem5-review.googlesource.com/5565 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-10scons: Move python path management out of the SConstruct.Gabe Black
Make site_init.py manage sys.path, and the "default" tool set PYTHONPATH on any environment that's created. The paths to add are tracked in a common gem5_python_paths.py. Change-Id: I3387d4394d47a2f9c83322644cfd05909c6890fa Reviewed-on: https://gem5-review.googlesource.com/5564 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-10scons: Pull style hook management out of the main SConstruct.Gabe Black
Put the code which supports style hooks for mercurial and git into two scons "tools". Change-Id: I3ffed85a177be4f9e458fff7b1cf16a3a479914e Reviewed-on: https://gem5-review.googlesource.com/5563 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-10scons: Override the "default" tool to set up the default env.Gabe Black
This imports various environment variables into the scons environment, and sets some general properties on it. These are basically just copied directly from the SConstruct and have the same behavior here. gem5_tool_list will be used later on to add scons "tools" which should be automatically added to new Environment objects. Change-Id: Ib255955090c7b1e1cb80c703c18a9c867fcf1c9e Reviewed-on: https://gem5-review.googlesource.com/5562 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-10scons: Move scons and python version checking into site_init.py.Gabe Black
In an effort to shrink and modularize the main scons files, this change pulls the scons and python version checking code out of the main file and into site_init.py which runs before the SConstruct starts. This will be a place to put really generic code which has to do with the very fundemental aspects of getting scons to work. Other checks, like checks for particular tools or particular versions of tools, will happen in other more specialized files. Change-Id: Icd00ecadbe1141aef4dbadcf42d6ddef1f3a701f Reviewed-on: https://gem5-review.googlesource.com/5561 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-10-31base: Introducing utility for writing raw data in png formatGiacomo Travaglini
Originally it was possible to use a Bitmap writer class for dumping a framebuffer snapshot in a .bmp file. This patch enables you to choose another format. In particular it implements the writing of PNG Images using libpng library. The latter has to be already installed in your machine, otherwise gem5 will default to the Bitmap format. This configurable writer has been introduced in the VNC frame dumping mechanism, which is storing changed frame buffers from the VNC server Change-Id: Id7e5763c82235f1ce90381c8486b85a7cce734ce Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5181 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-10-17scons: Stop generating inc.d in the isa parser.Gabe Black
Generating dependency/build product information in the isa parser breaks scons idea of how a build is supposed to work. Arm twisting it into working forced a lot of false dependencies which slowed down the build. Change-Id: Iadee8c930fd7c80136d200d69870df7672a6b3ca Reviewed-on: https://gem5-review.googlesource.com/5081 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-08-31scons: bump required python version to 2.7 to support pybind11Paul Rosenfeld
Change-Id: Ic3652f975477f2e5d144e054489ab73ed9f82b55 Reviewed-on: https://gem5-review.googlesource.com/4440 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Gabe Black <gabeblack@google.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Joe Gross <joe.gross@amd.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-08-01sim: Use named constants for pseudo opsAndreas Sandberg
Use named constants from a shared header instead of magic values when handling pseudo ops. Change-Id: If157060bbcd772ce7e8556482b44ca714f4319b1 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-on: https://gem5-review.googlesource.com/4262 Reviewed-by: Gabe Black <gabeblack@google.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-06-06scons: Try to handle problems with gcc, lto and partial linking.Gabe Black
gcc has had a lot of problems with incremental linking and partial linking at the same time. Basically, the partial link assumes that it's the only link that's going to happen, and it converts weak external symbols into regular external symbols. Then when the real final link happens, those symbols are duplicated and the link fails. Versions of gcc 6 and greater add an option called -flinker-output which lets you tell the linker to do an incremental link. Unfortunately, other bugs make that fail, and so gcc 6 doesn't work either. Hopefully version 7 works better. A --force-lto option was added so that, when only one of lto and partial linking is available, you can switch from having partial linking to having lto. Change-Id: I5e293f5cfb07a14343dc74030d99cb161fb8bbbe Reviewed-on: https://gem5-review.googlesource.com/3680 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-06-04scons: Add use_tuntap to export listJason Lowe-Power
Fixes broken build after c58537c. Change-Id: I686ffaaad4fe558b6e51c89c9b26121318c2b721 Signed-off-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-on: https://gem5-review.googlesource.com/3647 Reviewed-by: Gabe Black <gabeblack@google.com>
2017-06-03dev: Add a version of EtherTap which uses the tap driver.Gabe Black
The object is called EtherTap (as opposed to EtherTapStub, what the former EtherTap was renamed to), and its existance is gated on the linux/if_tun.h header file existing. That's probably overly strict, but it will hopefully be minimally likely to break the build for other systems. Change-Id: Ie03507fadf0d843a4d4d52f283c44a416c6f2a74 Reviewed-on: https://gem5-review.googlesource.com/3646 Reviewed-by: Nathan Binkert <nate@binkert.org> Maintainer: Nathan Binkert <nate@binkert.org>
2017-05-22scons: Enable explicitly building something with no variant.Gabe Black
The SConstruct currently expects all explicit targets to be under a variant directory like ARM or X86 which tells it what settings to use, etc. There are things which scons knows how to build however, which do not live under a variant directory, specifically everything under ext. This change makes scons not look for a variant directory when it encounters a target which is built by something in ext. This enables things like explicitly building the systemc libraries, for example. Change-Id: I8982a96fe49e3cb970ec78e11cea08703990c686 Reviewed-on: https://gem5-review.googlesource.com/3460 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Christian Menard <christian.menard@tu-dresden.de> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-05-10scons: Use the generalized switching headers on the GPU ISA.Gabe Black
Now that the switching header implementation has been generalized, there's no need to have two nearly identical implementations for the two different groups of headers. Change-Id: Ie7c24fcddbc672ac5ca2d69bfc35696f42c55580 Reviewed-on: https://gem5-review.googlesource.com/2984 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-05-10scons: arch: Generalize the switching header code.Gabe Black
Factor out the ISA ness of the switching header generating function. Also turn it into a SCons builder which builds a single header, and a wrapping method which uses the builder on a group of header files which all target the same subdirectory. Change-Id: I87705f97b6ebd9baebd4ebcfea19cc1218a64ad0 Reviewed-on: https://gem5-review.googlesource.com/2983 Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-05-09scons: Get rid of the all_isa_deps variable.Gabe Black
This value can be computed more directly and more locally near where it's used. Change-Id: Ib5f45015494a6c8033ce0ac4b8931688f37492c8 Reviewed-on: https://gem5-review.googlesource.com/2982 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-05-08scons: Get rid of the PHONY_BASE construction variable.Gabe Black
The value of that variable can be computed more directly and more locally to where it's consumed. Change-Id: I5ca1f732a34e22d4dae2aeb6ee7fc8adebe1caa0 Reviewed-on: https://gem5-review.googlesource.com/2981 Maintainer: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-05-03scons: Fix the compiler flag used for partial linking.Gabe Black
It seems that g++ can generally handle the -r flag for generating a relocatable object file, but ld can't always handle the --relocatable flag. Change-Id: I15f32e469590a814131d4e992b392a7ad6c52b83 Reviewed-on: https://gem5-review.googlesource.com/3001 Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-05-02scons: Remove SWIG supportAndreas Sandberg
Remove remaining SWIG support from the build infrastructure. Change-Id: I7549cd0f952ca3a51481918eefef3a29f03af359 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2920 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
2017-05-02python: Use PyBind11 instead of SWIG for Python wrappersAndreas Sandberg
Use the PyBind11 wrapping infrastructure instead of SWIG to generate wrappers for functionality that needs to be exported to Python. This has several benefits: * PyBind11 can be redistributed with gem5, which means that we have full control of the version used. This avoid a large number of hard-to-debug SWIG issues we have seen in the past. * PyBind11 doesn't rely on a custom C++ parser, instead it relies on wrappers being explicitly declared in C++. The leads to slightly more boiler-plate code in manually created wrappers, but doesn't doesn't increase the overall code size. A big benefit is that this avoids strange compilation errors when SWIG doesn't understand modern language features. * Unlike SWIG, there is no risk that the wrapper code incorporates incorrect type casts (this has happened on numerous occasions in the past) since these will result in compile-time errors. As a part of this change, the mechanism to define exported methods has been redesigned slightly. New methods can be exported either by declaring them in the SimObject declaration and decorating them with the cxxMethod decorator or by adding an instance of PyBindMethod/PyBindProperty to the cxx_exports class variable. The decorator has the added benefit of making it possible to add a docstring and naming the method's parameters. The new wrappers have the following known issues: * Global events can't be memory managed correctly. This was the case in SWIG as well. Change-Id: I88c5a95b6cf6c32fa9e1ad31dfc08b2e8199a763 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Andrew Bardsley <andrew.bardsley@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2231 Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-05-02ext: Add pybind rev f4b81b3Andreas Sandberg
Change-Id: I52e4fc9ebf2f59da57d8cf8f3e37cc79598c2f5f Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2229 Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr>
2017-05-01scons: Add builders for partially linked object files.Gabe Black
These intermediate object files can be used to perform a hierarchical link. Change-Id: I27634731734eebe6531ce6b0894abdd59ffdc5c9 Reviewed-on: https://gem5-review.googlesource.com/2944 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-04-28scons: Add a Transform() for when linking shared libraries.Gabe Black
Change-Id: I7ddba0cc7be559633328011c1c7e2282f509b78c Reviewed-on: https://gem5-review.googlesource.com/2943 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-04-28scons: Find ext build directories automatically.Gabe Black
The ext directories with SConscripts in them are easy to find automatically. Avoid boilerplate listing them out and SConscript()ing them manually. Change-Id: Ib723882aebc00e639eb8ec44904bb05ffa2c6b55 Reviewed-on: https://gem5-review.googlesource.com/2942 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-04-05scons: Fix hook installation error caused by stale cacheAndreas Sandberg
Due to the way SCons caches some file system state internally, it sometimes "remembers" that a file or directory didn't exist at some point. The git hook installation script sometimes needs to create a hooks directory in the repository. Due to the cached state of the hooks directory, the build system tries to create it twice. The second mkdir operation leads to an error since the directory already exists. Fix this issue by clearing the cached state of the hooks directory after creating it. Change-Id: I3f67f75c06ef928b439a0742f7619b7e92ed093b Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2660 Reviewed-by: Gabe Black <gabeblack@google.com>
2017-03-26scons: Collapse symlinks when installing git hooks.Gabe Black
When naively computing the relative path between the git hooks directory and a hook we want to install, that will generally start with a few ".." path components to work back out of the .git directory into the working directory.' If the hooks directory is actually a symlink, then following ".." directory entries won't get us back to where we came from, they'll take us to the actual parent directory of hooks. The relative path we computed would then try to go forward from this other directory using a path that would have worked in the working directory, hopefully going somewhere that doesn't exist, but potentially going to a totally unrelated file with the same relative path. To avoid this problem, we should expand any symlinks in both the hooks directory path, and the path to the hook script. That way, any ".." components will go where we'd expect them to, and the relative path will actually go from hooks to the script we expect. Change-Id: I64d51bc817351f89b1d60eceaf450cc0a4553415 Reviewed-on: https://gem5-review.googlesource.com/2542 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-03-26scons: Use a relative symlink for git hooks more selectively.Gabe Black
If the hooks directory is a symlink, then there are at least two possible scenarios to consider when installing a hook which is itself a symlink. The first is that hooks is a relative symlink, and so is likely intended to stay in place relative to .git and the git working directory. In that case, it's ok for the symlinks inside of hooks to be relative to the working directory too, since they should also stay in place relatively speaking. The second situation is that the symlink is absolute. In that case, moving the git working directory will move the hook relative to the hook directory, and any relative symlink will become broken. In that case, the hook symlink needs to be absolute. The same logic likely applies to the .git directory itself, although I haven't run into a situation in practice where the .git directory is actually a symlink. Change-Id: I047aa198094dd0fd5a841417d93b211ece02783f Reviewed-on: https://gem5-review.googlesource.com/2541 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-03-26scons: Detect and remove broken git hook symlinks.Gabe Black
When installing a git hook, it's possible for the hook to not "exist" if it's actually a symlink which points to a file that doesn't exist. Trying to create a new symlink in its place without first removing the old one causes a build failure in these cases. If the hook doesn't "exist" but is still a link, that means it's actually a broken link and should be deleted by the hook installation function before any new symlink is created. Change-Id: I59aa51feb5bd74ca33e51e89cde2ceabeb41bd76 Reviewed-on: https://gem5-review.googlesource.com/2540 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-03-24scons: Stop generating an a.out checking the "as" version.Gabe Black
Change-Id: I71d07fc64bdb3c6c3e93e2a1fd358cc899a70678 Reviewed-on: https://gem5-review.googlesource.com/2500 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-03-01scons: Automatically add a git commit message hookAndreas Sandberg
Gerrit requires that all commit messages have a Change-Id tag. This tag is added automatically by a commit message hook in Git. Include the default Gerrit commit message hook and add it automatically using scons to make life easier for everyone. Change-Id: I1270fbaaadf6ed151bddf14521a38e0c1a02d131 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2166 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com>
2017-02-09scons: make build better on FreeBSDBjoern A. Zeeb
Various changes we found needed to build gem5 successfully on FreeBSD. Reviewed at http://reviews.gem5.org/r/3378/ Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
2017-01-19ruby: guard usage of GPUCoalescer code in ProfilerTony Gutierrez
the GPUCoalescer code is used in the ruby profiler regardless of whether or not the coalescer code has been compiled, which can lead to link/run time errors. here we add #ifdefs to guard the usage of GPUCoalescer code. eventually we should refactor this code to use probe points.
2016-05-30scons: Bump minimum gcc version to 4.8Andreas Hansson
After reaching consensus on the mailing list, this patch officially makes gcc 4.8 the minimum. A few checks in the SConstruct are cleaned up as a result. This patch also adds "-fno-omit-frame-pointer" when using ASAN (which is part of the gcc/clang recommended flags).
2016-05-27scons: Enable override suggestions on gcc 5.0+Matteo Andreozzi
--- SConstruct | 4 ++++ 1 file changed, 4 insertions(+)
2016-05-09scons: Rewrite git style hook installerAndreas Sandberg
The SCons script currently assumes that .git is a proper directory with all git meta data. This isn't the case if the working directory was checked out using git worktrees. In such case .git is a file with meta data telling git where the repository data is stored. This changeset updates changes the SConstruct file to rely on git rev-parse to get the real git directory. Change-Id: I3d0475eabc12e868193797067a88e540a9b6e927 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-04-28scons: emit correct message before installing git hookCurtis Dunham
Change-Id: Ied2e018a9a1b6db446edbaac871ac4efd795ec36 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-04-18scons: Fix Python 2.6 compatibilityAndreas Sandberg
Don't use Python 2.7-style with statements in the SConstruct file.
2016-03-30scons: Automatically install the git style hookAndreas Sandberg
Add a check in the main SConscript that installs the git pre-commit hook in util/ if git is used. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> [andreas.sandberg@arm.com: Cleanups suggested by Steve] Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- extra : rebase_source : 4b805cdd74bc5442a65abf8a62e3e341f352c04e
2016-03-30scons, style: Rename style.py to hgstyle.pyAndreas Sandberg
The Mercurial style checker extensions are currently stored in style.py. This is not ideal since they won't work with other version control systems. This changeset renames style.py to hgstyle.py and adds upgrade code to scons that automatically updates the hooks in hgrc. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Nathanael Premillieu <nathananel.premillieu@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- rename : util/style.py => util/hgstyle.py extra : rebase_source : ee8107ef245901371b368b7c2046ecdd89e3ff4c
2016-02-17scons: Enable building with the gcc/clang Address SanitizerAndreas Hansson
Allow the user to easily build gem5 with the Address Sanitizer, part of both gcc and clang these days.
2016-01-19gpu-compute: AMD's baseline GPU modelTony Gutierrez
2016-01-11scons: Enable -Wextra by defaultAndreas Hansson
Make best use of the compiler, and enable -Wextra as well as -Wall. There are a few issues that had to be resolved, but they are all trivial.
2016-01-11ext: Replace gzstream with iostream3 from zlib to avoid LGPLAndreas Hansson
This patch replaces the gzstream zlib wrapper with the iostream3 wrapper provided as part of zlib contributions. The main reason for the switch is to avoid including LGPL in the default gem5 build. iostream3 is provided under a more permissive license: The code is provided "as is", with the permission to use, copy, modify, distribute and sell it for any purpose without fee.
2015-12-04sim: Add support for generating back traces on errorsAndreas Sandberg
Add functionality to generate a back trace if gem5 crashes (SIGABRT or SIGSEGV). The current implementation uses glibc's stack traversal support if available and stubs out the call to print_backtrace() otherwise.
2015-11-15sim: support for distcc pump server settingsJoe Gross
2015-07-07ext: Add the NoMali GPU no-simulation libraryAndreas Sandberg
Add revision 9adf9d6e2d889a483a92136c96eb8a434d360561 of NoMali-model from https://github.com/ARM-software/nomali-model. This library implements the register interface of the Mali T6xx/T7xx series GPUs, but doesn't do any rendering. It can be used to hide the effects of software rendering.
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