91e24ba776
Now all occurances of the THE_ISA macro which were being used to check for anything other than the NULL_ISA have been eliminated. We still need to be able to check whether the current ISA is the null ISA, but we don't want to let any preprocessor checks back in which are based on what the current ISA is. This change removes the THE_ISA macro, and replaces it with IS_NULL_ISA which evaluates to 1 if the ISA is null, and 0 if it isn't. Jira Issue: https://gem5.atlassian.net/browse/GEM5-1060 Change-Id: Iec146b40d8cab846dae03e15191390f754f2b71b Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/48709 Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu> Maintainer: Gabe Black <gabe.black@gmail.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.