| /* |
| * 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/amba_from_tlm_bridge.hh" |
| |
| #include "params/AmbaFromTlmBridge64.hh" |
| #include "pv_userpayload_extension.h" |
| #include "systemc/tlm_bridge/sc_ext.hh" |
| |
| namespace gem5 |
| { |
| |
| GEM5_DEPRECATED_NAMESPACE(FastModel, fastmodel); |
| namespace fastmodel |
| { |
| |
| AmbaFromTlmBridge64::AmbaFromTlmBridge64(const sc_core::sc_module_name& name) : |
| amba_pv::amba_pv_from_tlm_bridge<64>(name), |
| targetProxy("target_proxy"), |
| initiatorProxy("initiator_proxy"), |
| tlmWrapper(targetProxy, std::string(name) + ".tlm", -1), |
| ambaWrapper(amba_pv_m, std::string(name) + ".amba", -1) |
| { |
| targetProxy.register_b_transport(this, &AmbaFromTlmBridge64::bTransport); |
| targetProxy.register_get_direct_mem_ptr( |
| this, &AmbaFromTlmBridge64::getDirectMemPtr); |
| targetProxy.register_transport_dbg(this, &AmbaFromTlmBridge64::transportDbg); |
| initiatorProxy.register_invalidate_direct_mem_ptr( |
| this, &AmbaFromTlmBridge64::invalidateDirectMemPtr); |
| initiatorProxy(tlm_s); |
| } |
| |
| Port & |
| AmbaFromTlmBridge64::gem5_getPort(const std::string &if_name, int idx) |
| { |
| if (if_name == "tlm") { |
| return tlmWrapper; |
| } else if (if_name == "amba") { |
| return ambaWrapper; |
| } else { |
| return amba_pv::amba_pv_from_tlm_bridge<64>::gem5_getPort( |
| if_name, idx); |
| } |
| } |
| |
| void |
| AmbaFromTlmBridge64::bTransport(amba_pv::amba_pv_transaction &trans, |
| sc_core::sc_time &t) |
| { |
| syncControlExtension(trans); |
| return initiatorProxy->b_transport(trans, t); |
| } |
| |
| bool |
| AmbaFromTlmBridge64::getDirectMemPtr(amba_pv::amba_pv_transaction &trans, |
| tlm::tlm_dmi &dmi_data) |
| { |
| return initiatorProxy->get_direct_mem_ptr(trans, dmi_data); |
| } |
| |
| unsigned int |
| AmbaFromTlmBridge64::transportDbg(amba_pv::amba_pv_transaction &trans) |
| { |
| syncControlExtension(trans); |
| return initiatorProxy->transport_dbg(trans); |
| } |
| |
| void |
| AmbaFromTlmBridge64::invalidateDirectMemPtr(sc_dt::uint64 start_range, |
| sc_dt::uint64 end_range) |
| { |
| targetProxy->invalidate_direct_mem_ptr(start_range, end_range); |
| } |
| |
| void |
| AmbaFromTlmBridge64::syncControlExtension(amba_pv::amba_pv_transaction &trans) |
| { |
| Gem5SystemC::ControlExtension *control_ex = nullptr; |
| trans.get_extension(control_ex); |
| if (!control_ex) { |
| return; |
| } |
| |
| amba_pv::amba_pv_extension *amba_ex = nullptr; |
| trans.get_extension(amba_ex); |
| if (!amba_ex) { |
| return; |
| } |
| |
| amba_ex->set_privileged(control_ex->isPrivileged()); |
| amba_ex->set_non_secure(!control_ex->isSecure()); |
| amba_ex->set_instruction(control_ex->isInstruction()); |
| } |
| |
| } // namespace fastmodel |
| |
| fastmodel::AmbaFromTlmBridge64 * |
| AmbaFromTlmBridge64Params::create() const |
| { |
| return new fastmodel::AmbaFromTlmBridge64(name.c_str()); |
| } |
| |
| } // namespace gem5 |