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https://opencores.org/ocsvn/riscv_vhdl/riscv_vhdl/trunk
Subversion Repositories riscv_vhdl
[/] [riscv_vhdl/] [trunk/] [debugger/] [src/] [cpu_sysc_plugin/] [cpu_riscv_rtl.cpp] - Rev 2
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/** * @file * @copyright Copyright 2016 GNSS Sensor Ltd. All right reserved. * @author Sergey Khabarov - sergeykhbr@gmail.com * @brief CPU synthesizable SystemC class declaration. */ #include "api_core.h" #include "cpu_riscv_rtl.h" namespace debugger { CpuRiscV_RTL::CpuRiscV_RTL(const char *name) : IService(name), IHap(HAP_ConfigDone) { registerInterface(static_cast<IThread *>(this)); registerInterface(static_cast<IClock *>(this)); registerInterface(static_cast<IHap *>(this)); registerAttribute("Bus", &bus_); registerAttribute("FreqHz", &freqHz_); registerAttribute("InVcdFile", &InVcdFile_); registerAttribute("OutVcdFile", &OutVcdFile_); registerAttribute("GenerateRef", &GenerateRef_); bus_.make_string(""); freqHz_.make_uint64(1); InVcdFile_.make_string(""); OutVcdFile_.make_string(""); GenerateRef_.make_boolean(false); RISCV_event_create(&config_done_, "riscv_sysc_config_done"); RISCV_register_hap(static_cast<IHap *>(this)); createSystemC(); } CpuRiscV_RTL::~CpuRiscV_RTL() { deleteSystemC(); RISCV_event_close(&config_done_); } void CpuRiscV_RTL::postinitService() { ibus_ = static_cast<IBus *>( RISCV_get_service_iface(bus_.to_string(), IFACE_BUS)); if (!ibus_) { RISCV_error("Bus interface '%s' not found", bus_.to_string()); return; } if (InVcdFile_.size()) { i_vcd_ = sc_create_vcd_trace_file(InVcdFile_.to_string()); i_vcd_->set_time_unit(1, SC_PS); } else { i_vcd_ = 0; } if (OutVcdFile_.size()) { o_vcd_ = sc_create_vcd_trace_file(OutVcdFile_.to_string()); o_vcd_->set_time_unit(1, SC_PS); } else { o_vcd_ = 0; } wrapper_->setBus(ibus_); wrapper_->setClockHz(freqHz_.to_int()); wrapper_->generateRef(GenerateRef_.to_bool()); wrapper_->generateVCD(i_vcd_, o_vcd_); top_->generateRef(GenerateRef_.to_bool()); top_->generateVCD(i_vcd_, o_vcd_); if (!run()) { RISCV_error("Can't create thread.", NULL); return; } } void CpuRiscV_RTL::createSystemC() { sc_set_default_time_unit(1, SC_NS); /** Create all objects, then initilize SystemC context: */ wrapper_ = new RtlWrapper(static_cast<IService *>(this), "wrapper"); registerInterface(static_cast<ICpuRiscV *>(wrapper_)); w_clk = wrapper_->o_clk; wrapper_->o_nrst(w_nrst); wrapper_->i_time(wb_time); wrapper_->o_req_mem_ready(w_req_mem_ready); wrapper_->i_req_mem_valid(w_req_mem_valid); wrapper_->i_req_mem_write(w_req_mem_write); wrapper_->i_req_mem_addr(wb_req_mem_addr); wrapper_->i_req_mem_strob(wb_req_mem_strob); wrapper_->i_req_mem_data(wb_req_mem_data); wrapper_->o_resp_mem_data_valid(w_resp_mem_data_valid); wrapper_->o_resp_mem_data(wb_resp_mem_data); wrapper_->o_interrupt(w_interrupt); wrapper_->o_dport_valid(w_dport_valid); wrapper_->o_dport_write(w_dport_write); wrapper_->o_dport_region(wb_dport_region); wrapper_->o_dport_addr(wb_dport_addr); wrapper_->o_dport_wdata(wb_dport_wdata); wrapper_->i_dport_ready(w_dport_ready); wrapper_->i_dport_rdata(wb_dport_rdata); top_ = new RiverTop("top"); top_->i_clk(wrapper_->o_clk); top_->i_nrst(w_nrst); top_->i_req_mem_ready(w_req_mem_ready); top_->o_req_mem_valid(w_req_mem_valid); top_->o_req_mem_write(w_req_mem_write); top_->o_req_mem_addr(wb_req_mem_addr); top_->o_req_mem_strob(wb_req_mem_strob); top_->o_req_mem_data(wb_req_mem_data); top_->i_resp_mem_data_valid(w_resp_mem_data_valid); top_->i_resp_mem_data(wb_resp_mem_data); top_->i_ext_irq(w_interrupt); top_->o_time(wb_time); top_->i_dport_valid(w_dport_valid); top_->i_dport_write(w_dport_write); top_->i_dport_region(wb_dport_region); top_->i_dport_addr(wb_dport_addr); top_->i_dport_wdata(wb_dport_wdata); top_->o_dport_ready(w_dport_ready); top_->o_dport_rdata(wb_dport_rdata); sc_start(0, SC_NS); } void CpuRiscV_RTL::deleteSystemC() { delete wrapper_; delete top_; } void CpuRiscV_RTL::hapTriggered(IFace *isrc, EHapType type, const char *descr) { RISCV_event_set(&config_done_); } void CpuRiscV_RTL::stop() { sc_stop(); IThread::stop(); } void CpuRiscV_RTL::busyLoop() { RISCV_event_wait(&config_done_); sc_start(); if (i_vcd_) { sc_close_vcd_trace_file(i_vcd_); } if (o_vcd_) { sc_close_vcd_trace_file(o_vcd_); } } } // namespace debugger
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