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2018-10-09systemc: Implement sc_buffer.Gabe Black
This required a small change to sc_signal so that the value change event and the change stamp for it were accessible. Change-Id: Ife0545d84f3b25e98da079786c30ffa51025cce7 Reviewed-on: https://gem5-review.googlesource.com/c/12804 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Implement the sc_*_resolved classes.Gabe Black
Change-Id: Ib595da10e0f900ee4cc1847d41d29251dacb55d7 Reviewed-on: https://gem5-review.googlesource.com/c/12620 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Implement sc_mutex.Gabe Black
Change-Id: I8a5bd03b46d44aeca3bba15a01a5f2180b4ed5c7 Reviewed-on: https://gem5-review.googlesource.com/c/12618 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Implement sc_semaphore.Gabe Black
Change-Id: I778d41bd81880e76caa71dc92359a00127d8f987 Reviewed-on: https://gem5-review.googlesource.com/c/12617 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Implement sc_fifo::dump and improve sc_fifo::print.Gabe Black
The print function is supposed to print both pending and committed writes, apparently. Accellera's implementation of sc_fifo uses a ring buffer to store the entries and manages a head and tail pointer to keep track of what's full, etc. Their dump function prints that whole buffer using the indexes. When not using a ring buffer, there's no easy way to determine what those indexes should be. Fortunately the test that uses dump never moves away from the base of the ring buffer, so I can get the same effect (which also makes sense on its own) by printing the index into the fifo instead. Change-Id: I50fe049461f6a5e8a55b54eeb2f134d20f0812c6 Reviewed-on: https://gem5-review.googlesource.com/c/12455 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Implement the << operator for sc_signal.Gabe Black
Change-Id: I16955e58d96d49ec3bba90b73f5a368a245da438 Reviewed-on: https://gem5-review.googlesource.com/c/12454 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Implement the "event()" style sc_signal methods.Gabe Black
Change-Id: Ia829aef2292ff2d50e14433d5c36a2e15a9de54b Reviewed-on: https://gem5-review.googlesource.com/c/12453 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Implement most of sc_fifo and its interfaces.Gabe Black
There are still some bugs since the output of the tests don't all match, but more tests pass and fewer abort. Change-Id: I37f84d65c4a8a43357c98282096e39b9401fc1dd Reviewed-on: https://gem5-review.googlesource.com/c/12275 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-25systemc: Implement most of sc_inout.Gabe Black
Because sc_inout needs sc_dt::sc_logic and that probably calls functions from dt_sc_mempool.cc and because those hadn't yet been stubbed out. This change adds stubs for those as well. Change-Id: I544a1669575b594d4612558b8b6f47668ac94414 Reviewed-on: https://gem5-review.googlesource.com/12221 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-25systemc: Make sc_out delegate to its base class sc_inout.Gabe Black
The spec says these are essentially identical classes, they just have both so that users can show their intent. Change-Id: I51908edca89acea25891a52bfa7fca0681ccfc5c Reviewed-on: https://gem5-review.googlesource.com/12220 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-25systemc: Implement a significant portion of sc_clock.Gabe Black
Change-Id: Ic195f46ac13b46a02c86a5fc8d90ba66a415a9c8 Reviewed-on: https://gem5-review.googlesource.com/12215 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Implement the sc_in class.Gabe Black
Change-Id: I08174462cb650c7918a4e8f5284d4ee814cf595d Reviewed-on: https://gem5-review.googlesource.com/12085 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Partially implement the sc_signal class template.Gabe Black
There are a few details of this class that still need to be fleshed out, but this implements most of it. Change-Id: I6f8b546aacd8537d4341dc91e59b95864ae0f7c4 Reviewed-on: https://gem5-review.googlesource.com/12075 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-05systemc: Add m_cur_val and m_new_val to sc_signal.Gabe Black
These members are referred to in one of the tests. Change-Id: Iab0110a0e3acf627986664069622704f17b703a1 Reviewed-on: https://gem5-review.googlesource.com/11355 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-28systemc: Add the nonstandard sc_trace_params and sc_trace_params_vec.Gabe Black
These two types are supposedly only for internal use in the Accellera implementation based on a big warning in all caps, but they still appear in the tests and examples in that version of systemc. Change-Id: Icfb3ffdf1e78988def5dac145172bf28f93d7d38 Reviewed-on: https://gem5-review.googlesource.com/11283 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-28systemc: Add the nonstandard time_stamp function.Gabe Black
Change-Id: I608c390b125611e5b62483c7e8567bb5479df553 Reviewed-on: https://gem5-review.googlesource.com/11281 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-22systemc: Add a nonstandard sc_signal constructor.Gabe Black
This constructor takes an initial value to set the sc_signal to, and is used in the tests. Change-Id: I197218846d9a79f9237238c78b1bbd8a7f55443f Reviewed-on: https://gem5-review.googlesource.com/11266 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-22systemc: Define the nonstandard sc_event_queue_port typedef.Gabe Black
Used in the tests. Change-Id: Ic4b4a313b2bd02e5cb3ec07c4f7ee79219728881 Reviewed-on: https://gem5-review.googlesource.com/11262 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Add some deprecated features to sc_clock.*.Gabe Black
Add in two deprecated typedefs, and a deprecated constructor. These are necessary to get the regressions to build. Change-Id: Id8320a67c680acbca0abaee9898158ffd2678d67 Reviewed-on: https://gem5-review.googlesource.com/11183 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Add in the deprecated binding port constructors.Gabe Black
These are needed by... you guessed it, the regression tests. Change-Id: Id30e71944cc7f3faca7dcb197f37938368364fcd Reviewed-on: https://gem5-review.googlesource.com/10958 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Add a non-standard default writer policy on sc_buffer.Gabe Black
The standard says there's not supposed to be a default writer policy for the sc_buffer template class, but in the Accellera implementation there is, and the regression tests depend on it to compile. Change-Id: I31d17617441224e86c56c54e45364be8f4f45b00 Reviewed-on: https://gem5-review.googlesource.com/10957 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-15systemc: Add the deprecated sc_signal_out_if typedef.Gabe Black
This is needed by the regression tests. Change-Id: I5666cf9ad445869e74edda857afd59ab7ece4f4c Reviewed-on: https://gem5-review.googlesource.com/10955 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-08-08Systemc: Port over all of the systemc "datatype" headers.Gabe Black
These are the headers originally written by Accellera with a few modifications. Most significantly, I went through and mostly (but not entirely) manually editted them to conform to gem5 style and to be more self consistent. Second, I resolved some macros which optionally select features. I removed support for deprecated functions, and otherwise enabled everything. The actual implementation behind these headers will also be ported over, but in a subsequent change. Change-Id: I203d3f6c8a3af9120b946001d01defbb0643a6b6 Reviewed-on: https://gem5-review.googlesource.com/10843 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-07-24systemc: Stub out the predefined channels.Gabe Black
Change-Id: Ie030aad26875bd49e54981ec1e9076b7b5af6630 Reviewed-on: https://gem5-review.googlesource.com/10839 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com>
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