| /* |
| * Copyright 2019 Google, Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "arch/arm/fastmodel/iris/cpu.hh" |
| |
| #include "arch/arm/fastmodel/iris/thread_context.hh" |
| #include "scx/scx.h" |
| #include "sim/serialize.hh" |
| |
| namespace Iris |
| { |
| |
| BaseCPU::BaseCPU(BaseCPUParams *params, sc_core::sc_module *_evs) : |
| ::BaseCPU::BaseCPU(params), evs(_evs), |
| clockEvent(nullptr), periodAttribute(nullptr) |
| { |
| sc_core::sc_attr_base *base; |
| |
| const auto &event_vec = evs->get_child_events(); |
| auto event_it = std::find_if(event_vec.begin(), event_vec.end(), |
| [](const sc_core::sc_event *e) -> bool { |
| return e->basename() == ClockEventName; }); |
| if (event_it != event_vec.end()) |
| clockEvent = *event_it; |
| |
| base = evs->get_attribute(PeriodAttributeName); |
| periodAttribute = dynamic_cast<sc_core::sc_attribute<Tick> *>(base); |
| panic_if(base && !periodAttribute, |
| "The EVS clock period attribute is not of type " |
| "sc_attribute<Tick>."); |
| |
| base = evs->get_attribute(SendFunctionalAttributeName); |
| sendFunctional = |
| dynamic_cast<sc_core::sc_attribute<PortProxy::SendFunctionalFunc> *>( |
| base); |
| panic_if(base && !sendFunctional, |
| "The EVS send functional attribute is not of type " |
| "sc_attribute<PortProxy::SendFunctionalFunc>."); |
| |
| // Make sure fast model knows we're using debugging mechanisms to control |
| // the simulation, and it shouldn't shut down if simulation time stops |
| // for some reason. Despite the misleading name, this doesn't start a CADI |
| // server because it's first parameter is false. |
| scx::scx_start_cadi_server(false, false, true); |
| } |
| |
| BaseCPU::~BaseCPU() |
| { |
| for (auto &tc: threadContexts) |
| delete tc; |
| threadContexts.clear(); |
| } |
| |
| Counter |
| BaseCPU::totalInsts() const |
| { |
| Counter count = 0; |
| for (auto *tc: threadContexts) |
| count += tc->getCurrentInstCount(); |
| return count; |
| } |
| |
| void |
| BaseCPU::init() |
| { |
| ::BaseCPU::init(); |
| for (auto *tc: threadContexts) |
| tc->initMemProxies(tc); |
| } |
| |
| void |
| BaseCPU::serializeThread(CheckpointOut &cp, ThreadID tid) const |
| { |
| ::serialize(*threadContexts[tid], cp); |
| } |
| |
| } // namespace Iris |