This value is incremented after each delta cycle's evaluate stage and after timed notifications happen. Its value is used by some channels to determine whether certain events happened within the previous update phase to implement the "event()", "posedge()", and "negedge()" functions. Change-Id: I9a73f0b5007dcbb6a74da9d666f28da1930b9d3d Reviewed-on: https://gem5-review.googlesource.com/c/12452 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
227 lines
4.8 KiB
C++
227 lines
4.8 KiB
C++
/*
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* Copyright 2018 Google, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#include "base/logging.hh"
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#include "systemc/core/channel.hh"
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#include "systemc/core/scheduler.hh"
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#include "systemc/ext/core/sc_prim.hh"
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namespace sc_gem5
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{
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uint64_t getChangeStamp() { return scheduler.changeStamp(); }
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} // namespace sc_gem5
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namespace sc_core
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{
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sc_prim_channel::sc_prim_channel() :
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_gem5_channel(new sc_gem5::Channel(this))
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{}
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sc_prim_channel::sc_prim_channel(const char *_name) :
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sc_object(_name), _gem5_channel(new sc_gem5::Channel(this))
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{}
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sc_prim_channel::~sc_prim_channel() { delete _gem5_channel; }
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void
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sc_prim_channel::request_update()
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{
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_gem5_channel->requestUpdate();
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}
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void
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sc_prim_channel::async_request_update()
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{
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_gem5_channel->asyncRequestUpdate();
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}
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void
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sc_prim_channel::next_trigger()
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{
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::sc_core::next_trigger();
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}
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void
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sc_prim_channel::next_trigger(const sc_event &e)
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{
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::sc_core::next_trigger(e);
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}
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void
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sc_prim_channel::next_trigger(const sc_event_or_list &eol)
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{
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::sc_core::next_trigger(eol);
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}
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void
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sc_prim_channel::next_trigger(const sc_event_and_list &eal)
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{
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::sc_core::next_trigger(eal);
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}
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void
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sc_prim_channel::next_trigger(const sc_time &t)
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{
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::sc_core::next_trigger(t);
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}
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void
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sc_prim_channel::next_trigger(double d, sc_time_unit u)
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{
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::sc_core::next_trigger(d, u);
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}
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void
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sc_prim_channel::next_trigger(const sc_time &t, const sc_event &e)
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{
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::sc_core::next_trigger(t, e);
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}
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void
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sc_prim_channel::next_trigger(double d, sc_time_unit u, const sc_event &e)
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{
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::sc_core::next_trigger(d, u, e);
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}
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void
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sc_prim_channel::next_trigger(const sc_time &t, const sc_event_or_list &eol)
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{
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::sc_core::next_trigger(t, eol);
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}
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void
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sc_prim_channel::next_trigger(
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double d, sc_time_unit u, const sc_event_or_list &eol)
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{
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::sc_core::next_trigger(d, u, eol);
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}
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void
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sc_prim_channel::next_trigger(const sc_time &t, const sc_event_and_list &eal)
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{
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::sc_core::next_trigger(t, eal);
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}
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void
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sc_prim_channel::next_trigger(
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double d, sc_time_unit u, const sc_event_and_list &eal)
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{
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::sc_core::next_trigger(d, u, eal);
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}
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bool
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sc_prim_channel::timed_out()
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{
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warn("%s not implemented.\n", __PRETTY_FUNCTION__);
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return false;
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}
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void
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sc_prim_channel::wait()
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{
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::sc_core::wait();
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}
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void
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sc_prim_channel::wait(int i)
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{
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::sc_core::wait(i);
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}
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void
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sc_prim_channel::wait(const sc_event &e)
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{
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::sc_core::wait(e);
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}
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void
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sc_prim_channel::wait(const sc_event_or_list &eol)
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{
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::sc_core::wait(eol);
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}
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void
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sc_prim_channel::wait(const sc_event_and_list &eal)
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{
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::sc_core::wait(eal);
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}
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void
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sc_prim_channel::wait(const sc_time &t)
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{
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::sc_core::wait(t);
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}
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void
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sc_prim_channel::wait(double d, sc_time_unit u)
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{
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::sc_core::wait(d, u);
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}
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void
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sc_prim_channel::wait(const sc_time &t, const sc_event &e)
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{
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::sc_core::wait(t, e);
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}
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void
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sc_prim_channel::wait(double d, sc_time_unit u, const sc_event &e)
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{
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::sc_core::wait(d, u, e);
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}
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void
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sc_prim_channel::wait(const sc_time &t, const sc_event_or_list &eol)
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{
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::sc_core::wait(t, eol);
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}
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void
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sc_prim_channel::wait(double d, sc_time_unit u, const sc_event_or_list &eol)
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{
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::sc_core::wait(d, u, eol);
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}
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void
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sc_prim_channel::wait(const sc_time &t, const sc_event_and_list &eal)
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{
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::sc_core::wait(t, eal);
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}
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void
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sc_prim_channel::wait(double d, sc_time_unit u, const sc_event_and_list &eal)
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{
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::sc_core::wait(d, u, eal);
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}
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} // namespace sc_core
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