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We were downloading resources to various different locations, for no real reason. This standardizes the process. From this commit onwards, all testing resources are downloaded to `tests/gem5/resources` by default. This may be overriden via the `--bin-path` TestLib argument. Note: In order to do this I have changed the meaning of the `bin-path` TestLib argument slightly. Previously the `bin-path` assumed a flat (non-existant) hierarchy. A simple directory of local resources. This new bin-path functionality maintains logical sub-directories. This is technically an API change and will be noted in the release notes. Change-Id: I4df85c121fa65f787fd71f03d74361afea121380 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33145 Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com>
This is the gem5 simulator. The main website can be found at http://www.gem5.org A good starting point is http://www.gem5.org/about, and for more information about building the simulator and getting started please see http://www.gem5.org/documentation and http://www.gem5.org/documentation/learning_gem5/introduction. To build gem5, you will need the following software: g++ or clang, Python (gem5 links in the Python interpreter), SCons, SWIG, zlib, m4, and lastly protobuf if you want trace capture and playback support. Please see http://www.gem5.org/documentation/general_docs/building for more details concerning the minimum versions of the aforementioned tools. Once you have all dependencies resolved, type 'scons build/<ARCH>/gem5.opt' where ARCH is one of ARM, NULL, MIPS, POWER, SPARC, or X86. This will build an optimized version of the gem5 binary (gem5.opt) for the the specified architecture. See http://www.gem5.org/documentation/general_docs/building for more details and options. The basic source release includes these subdirectories: - configs: example simulation configuration scripts - ext: less-common external packages needed to build gem5 - src: source code of the gem5 simulator - system: source for some optional system software for simulated systems - tests: regression tests - util: useful utility programs and files To run full-system simulations, you will need compiled system firmware (console and PALcode for Alpha), kernel binaries and one or more disk images. If you have questions, please send mail to gem5-users@gem5.org Enjoy using gem5 and please share your modifications and extensions.