| /* |
| * 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 "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" |
| |
| // 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; |
| |
| 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__ |