d9a51177fc
If a fast model static library can't be found, we should treat that as a warning instead of an error, and pass back the original library name so that it can at least be added and potentially come from somewhere else. In practice, this is important because gem5 will be configured by SCons indirectly in the future, using kconfig based tools that SCons runs on the user's behalf. If SCons is misconfigured or not configured, this error can trip, preventing those tools from starting. That creates a catch 22, since you'd need SCons to fix the config, and SCons can't run because of the config. We can avoid that problem by making SCons more lenient, so that it can still run even if it doesn't find static libraries where it might have expected to. Change-Id: Iadfd823b61fe96b937c2650250487d290492f265 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/58352 Maintainer: Gabe Black <gabe.black@gmail.com> Reviewed-by: Yu-hsin Wang <yuhsingw@google.com> Tested-by: kokoro <noreply+kokoro@google.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, 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 these tools. Once you have all dependencies resolved, type 'scons build/<CONFIG>/gem5.opt' where CONFIG is one of the options in build_opts like ARM, NULL, MIPS, POWER, SPARC, X86, Garnet_standalone, etc. This will build an optimized version of the gem5 binary (gem5.opt) with the the specified configuration. See http://www.gem5.org/documentation/general_docs/building for more details and options. The main source tree includes these subdirectories: - build_opts: pre-made default configurations for gem5 - build_tools: tools used internally by gem5's build process. - configs: example simulation configuration scripts - ext: less-common external packages needed to build gem5 - include: include files for use in other programs - site_scons: modular components of the build system - 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 may need compiled system firmware, kernel binaries and one or more disk images, depending on gem5's configuration and what type of workload you're trying to run. Many of those resources can be downloaded from http://resources.gem5.org, and/or from the git repository here: https://gem5.googlesource.com/public/gem5-resources/ If you have questions, please send mail to gem5-users@gem5.org Enjoy using gem5 and please share your modifications and extensions.