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2018-08-15systemc: Remove references to internal constants from the tests.Gabe Black
The tests were referring to constants defined in the Accellera systemc implementation which identified various log message types. This change replaces those (sometimes quite long) string constants with their actual value. This doesn't make that interface any more fragile since the constant value won't track between the Accellera version and this one, but it does make its fragility more explicit by using the value directly. If in the future we decide to hide the magical nature of those particular string constants, we could make them into our own constants in the implementation. Regardless, the tests shouldn't refer to internal details of the implementation. Change-Id: I116a7407fcac49367649b250683117f3ccf4f9ed Reviewed-on: https://gem5-review.googlesource.com/11181 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Remove more Accellera source specific include paths in tests.Gabe Black
Some more tests were including Accellera headers specifically, even after including systemc.h which would bring those headers in alongside all the others. Change-Id: Ib2db0a410e0ecea0035b636e8dd04c85045b8578 Reviewed-on: https://gem5-review.googlesource.com/11179 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Make a test stop including an internal path for sc_vector.Gabe Black
The sc_vector class is available through systemc.h already, so there's no reason to include an internal path which is only there on Accellera by coincidence of the implementation. Change-Id: I41cab4711c0837cd9b20c21871b79be5165bf498 Reviewed-on: https://gem5-review.googlesource.com/11176 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Add a script which automates building and running tests.Gabe Black
The only required option for the script is the path to a build directory, for instance build/ARM. It uses that when running scons and when referring to generated files (like the built versions of the tests). It uses the location of the script itself to find source files, like the "golden" version of outputs. This script runs tests in three phases, compilation, running, and then verification. By default, all three phases are run for all tests, but which phases run and how they work can be customized by specifying them explicitly on the command line with the --phase option. Each time the --phase option shows up on the command line, it should be followed by the name of the phase being specified. That both declares that that phase should be run, and also that any subsequent options apply to that phase, at least until the next --phase option. Currently, only the "compile" and "execute" phases are implemented, and only the "compile" phase has been tested at all or has any options defined. The "compile" phase simply takes all the options it was given and pass them on to scons. The "verify" phase simply prints a message which says what it would have verified. The script can list the available tests with the --list option, as determined by the json systemc test manifest file which scons can generate, and which the script can refresh if passed the --update-json option. You can also specify what "flavor" of build you want to do, ie opt, debug, fast, etc., with the --flavor option. Only one flavor can be tested at a time, but that should be the desired behavior most of the time. If multiple flavors need to be tested, the script can be invoked multiple times. Finally, there is a --filter option which accepts a python expression as a string. That expression is evaluated in the namespace of the properties of each test in the json file, and if it returns true then that test is run. For instance, to verify only compile_only tests, you would use: systemc/tests/verify.py build/ARM --filter 'compile_only' To test only compile_only tests named bob, you would run this: systemc/tests/verify.py build/ARM --filter \ 'compile_only && name ="bob"' Also included is a simple config.py which is the beginning of a config which will run the systemc regression tests. Right now, all it knows how to do is run sc_main. Change-Id: I62666be8b1622d1355153e623b4274a939507e44 Reviewed-on: https://gem5-review.googlesource.com/10975 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc, scons: Link systemc tests against the shared gem5 library.Gabe Black
Otherwise, having hundreds of statically linked gem5s takes up a huge amount of space, and all those repeated linkings brings the mightiest workstation to its knees with sufficient parallelism, or will take forever without it. Change-Id: I4c358b1a50c5e2b0027ac72423f887e24c786b19 Reviewed-on: https://gem5-review.googlesource.com/10959 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc, scons: Add a mechanism to hook in the systemc tests.Gabe Black
This mechanism scans the systemc test directories as described in their original distribution. It tells scons how to build each test executable, and also how to build a json manifest file which lists all the tests and some properties about them. Change-Id: I8ebc748c1aed71f0bb76e04a2040f15abd2837d9 Reviewed-on: https://gem5-review.googlesource.com/10956 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-08systemc: Import tests from the Accellera systemc distribution.Gabe Black
Change-Id: Iad76b398949a55d768a34d027a2d8e3739953da6 Reviewed-on: https://gem5-review.googlesource.com/10845 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Maintainer: Gabe Black <gabeblack@google.com>