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If the cxx_type value changes, then the way the parameter is declared in the param struct will also change, and the header needs to be updated. scons would miss this sort of change before because it was only checking the module the SimObject's source came from. The python names and types of the parameters could stay the same, but the C++ representation might have changed because of edits somewhere else. This CL assumes that cxx_type is the only thing that will change and transparently affect the params struct. I tried making scons sensitive to the entire ptype which would capture other parameters, but that didn't work for some reason. This should be pretty safe in general, but not 100% safe Issue-on: https://gem5.atlassian.net/browse/GEM5-753 Change-Id: I06774889e60b987f727799f55d7ea2a775b6a319 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33695 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Gabe Black <gabeblack@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, 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.