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These files are nominally not tied to the X86ISA, but in reality they are because they reach into the GPU TLB, which is defined unchangeably in the X86ISA namespaces, and uses data structures within it. Rather than try to pretend that these structures are generic, we'll instead just use X86ISA instead of TheISA. If this really does become generic in the future, a base class with the ISA agnostic essentials defined in it can be used instead, and the ISA specific TLBs can defined their own derived class which has whatever else they need. Really the compute unit shouldn't be communicating with the TLB using sender state since those are supposed to be little notes for the sender to keep with a transaction, not for communicating between entities across a port. Change-Id: Ie6573396f6c77a9a02194f5f4595eefa45d6d66b Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34174 Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> 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.