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If sc_main hasn't run, for instance if there isn't an sc_main and gem5 is orchestrating the simulation directly, then exceptions shouldn't be thrown to the sc_main fiber since it isn't running and may not be able to run since sc_main may not even exist. Instead, we need to check whether it makes sense to throw to sc_main, and if not pass the exception directly to the report handler since there likely won't be anyone to catch it if we just throw it from the scheduler or into general purpose gem5. Since the name throwToScMain is no longer a complete description for what that function does, this change renames it to throwUp, since it will now throw exceptions up the stack, either to sc_main or to the conceptual top level by going directly to the report handler. Change-Id: Ibdc92c9cf213ec6aa15ad654862057b7bf2e1c8e Reviewed-on: https://gem5-review.googlesource.com/c/16442 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Gabe Black <gabeblack@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/Introduction, and for more information about building the simulator and getting started please see http://www.gem5.org/Documentation and http://www.gem5.org/Tutorials. 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/Dependencies 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 ALPHA, 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/Build_System for more details and options. With the simulator built, have a look at http://www.gem5.org/Running_gem5 for more information on how to use gem5. 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. Please see the gem5 download page for these items at http://www.gem5.org/Download If you have questions, please send mail to gem5-users@gem5.org Enjoy using gem5 and please share your modifications and extensions.