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2018-09-05systemc: Implement next_trigger and wait.Gabe Black
These set up dynamic sensitivity. Change-Id: I6cf2c2e4f93fe001eb7df8377753d51846b57d32 Reviewed-on: https://gem5-review.googlesource.com/11714 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-05systemc: Partially implement the scheduler.Gabe Black
This change implements the "evaluate" part of the delta cycles, and sketches out a function to run delta cycles and the initialization phase. The kernel object now schedules an event at time zero which runs the initialization phase. Also, some small places which were stubbed out pending a way to check the currently running process have been filled in now that that's being tracked. Change-Id: I6899569eb0195ff1c059fa4e68e90ef162b2f2df Reviewed-on: https://gem5-review.googlesource.com/11709 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-05systemc: Fill out sc_process_handle and create Process classes.Gabe Black
The sc_process_handle class now primarily delegates to a Process object it points at. The Process object does book keeping as far as its internal state, but doesn't yet have a way to run its target function or to schedule itself or inject exceptions into its context of execution. Change-Id: I98389778abe29aa26e3e3a91bf02e6721acc8a9c Reviewed-on: https://gem5-review.googlesource.com/11613 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-05systemc: Implement some basic plumbing in sc_module.hh.Gabe Black
Take care of some low hanging fruit as far as wrapper methods and the sc_bind_proxy class. Change-Id: I7f55a37eeaa82338bd608218c0261fbc39e65fc2 Reviewed-on: https://gem5-review.googlesource.com/11612 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-28systemc: Add the nonstandard sc_hierarchical_name_exists function.Gabe Black
Change-Id: I1340bb6cb0ae29d81b5d73b3dd39ebb11c14802c Reviewed-on: https://gem5-review.googlesource.com/11280 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-28systemc: Add the nonstandard timed_out function.Gabe Black
Change-Id: If14a5f98f03448c712827b7f92d2a36992541518 Reviewed-on: https://gem5-review.googlesource.com/11279 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-28systemc: Add some deprecated sc_module constructors.Gabe Black
Change-Id: Ibe2bfe63536af33fca6040f4aef999ee928d876b Reviewed-on: https://gem5-review.googlesource.com/11278 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-22systemc: Add some nonstandard cthread related sc_module functions.Gabe Black
Change-Id: I73f9868b80f9b75e7bd90df6e894daea60a203a1 Reviewed-on: https://gem5-review.googlesource.com/11268 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-22systemc: Add the nonstandard, undocumented halt function.Gabe Black
Used in the tests. Change-Id: I9b4f10600a50e0def1b5d55428cb4ad49e401295 Reviewed-on: https://gem5-review.googlesource.com/11263 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-22systemc: Add the nonstandard macro SC_NEW.Gabe Black
This is in the Accellera implementation and in the regression tests. The implementation here is a bit different than theirs in that it uses std::unique_ptrs. Change-Id: Id3d1ad82482b94a5d99f27e02d1e447ca1944797 Reviewed-on: https://gem5-review.googlesource.com/11255 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-07-24systemc: Seperate the "external" header interface.Gabe Black
Most (but not all) of the SystemC headers are part of the "external" interface that an existing, standard compliant module would include through <systemc.h> or <systemc>. Since those follow slightly different rules (relative includes, no gem5 includes), this change separates them out so that they're easier to identify. Also, this change moves the other files into a "core" subdirectory, with the intention to add a "dt", aka data type, directory some time in the future when those standard defined types are implemented. Change-Id: Ida63f9cc0bc0431024d4dd691cc5b22b944a99a8 Reviewed-on: https://gem5-review.googlesource.com/10835 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com>