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/*
* 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.
*
* Authors: Gabe Black
*/
#ifndef __ARCH_ARM_FASTMODEL_CORTEXA76X1_CORETEX_A76X1_HH__
#define __ARCH_ARM_FASTMODEL_CORTEXA76X1_CORETEX_A76X1_HH__
#include <type_traits>
#include "arch/arm/fastmodel/amba_ports.hh"
#include "arch/arm/fastmodel/protocol/exported_clock_rate_control.hh"
#include "mem/port_proxy.hh"
#include "params/FastModelCortexA76x1.hh"
#include "scx_evs_CortexA76x1.h"
#include "systemc/ext/core/sc_event.hh"
#include "systemc/ext/core/sc_module.hh"
#include "systemc/sc_port_wrapper.hh"
class BaseCPU;
// This macro is to get the type IF of a sc_export<IF> variable x. It relies on
// the fact that the "operator->()" function returns the "IF*" type and
// std::decay to remove cv-qualifiers and reference.
#define IFACE_TYPE(x) std::decay<decltype(*(x).operator->())>::type
namespace FastModel
{
// The fast model exports a class called scx_evs_CortexA76x1 which represents
// the subsystem described in LISA+. This class specializes it to export gem5
// ports and interface with its peer gem5 CPU. The gem5 CPU inherits from the
// gem5 BaseCPU class and implements its API, while this class actually does
// the work.
class CortexA76x1 : public scx_evs_CortexA76x1
{
private:
SC_HAS_PROCESS(CortexA76x1);
AmbaInitiator amba;
AmbaInitiator redistributorM;
AmbaTarget redistributorS;
ClockRateControlInitiatorSocket clockRateControl;
sc_gem5::ScPortWrapper<IFACE_TYPE(cnthpirq)> cnthpirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(cnthvirq)> cnthvirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(cntpsirq)> cntpsirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(cntvirq)> cntvirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(commirq)> commirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(ctidbgirq)> ctidbgirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(pmuirq)> pmuirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(vcpumntirq)> vcpumntirqWrapper;
sc_gem5::ScPortWrapper<IFACE_TYPE(cntpnsirq)> cntpnsirqWrapper;
sc_core::sc_event clockChanged;
sc_core::sc_attribute<Tick> clockPeriod;
sc_core::sc_attribute<::BaseCPU *> gem5Cpu;
sc_core::sc_attribute<PortProxy::SendFunctionalFunc> sendFunctional;
void sendFunc(PacketPtr pkt);
void clockChangeHandler();
public:
CortexA76x1(const sc_core::sc_module_name &mod_name,
const FastModelCortexA76x1Params ¶ms);
Port &gem5_getPort(const std::string &if_name, int idx=-1) override;
void
end_of_elaboration() override
{
scx_evs_CortexA76x1::end_of_elaboration();
scx_evs_CortexA76x1::start_of_simulation();
}
void start_of_simulation() override {}
};
} // namespace FastModel
#endif // __ARCH_ARM_FASTMODEL_CORTEXA76X1_CORETEX_A76X1_HH__
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