129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017, MINRES Technologies GmbH
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Contributors:
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// eyck@minres.com - initial API and implementation
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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#ifndef _SYSC_SIFIVE_FE310_H_
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#define _SYSC_SIFIVE_FE310_H_
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#include <tlm>
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#include <tlm_utils/tlm_quantumkeeper.h>
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#include <util/range_lut.h>
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#include "scc/ext_attribute.h"
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#include "scc/initiator_mixin.h"
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#include "scc/traceable.h"
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#include "scc/utilities.h"
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namespace iss {
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class vm_if;
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namespace arch {
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template <typename BASE> struct riscv_hart_msu_vp;
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}
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}
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namespace sysc {
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class tlm_dmi_ext : public tlm::tlm_dmi {
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public:
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bool operator==(const tlm_dmi_ext &o) const {
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return this->get_granted_access() == o.get_granted_access() &&
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this->get_start_address() == o.get_start_address() && this->get_end_address() == o.get_end_address();
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}
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bool operator!=(const tlm_dmi_ext &o) const { return !operator==(o); }
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};
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namespace SiFive {
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class core_wrapper;
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class core_complex : public sc_core::sc_module, public scc::traceable {
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public:
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SC_HAS_PROCESS(core_complex);
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scc::initiator_mixin<tlm::tlm_initiator_socket<32>> initiator;
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sc_core::sc_in<sc_core::sc_time> clk_i;
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sc_core::sc_in<bool> rst_i;
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scc::ext_attribute<std::string> elf_file;
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scc::ext_attribute<bool> enable_disass;
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scc::ext_attribute<uint64_t> reset_address;
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scc::ext_attribute<unsigned short> gdb_server_port;
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scc::ext_attribute<bool> dump_ir;
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core_complex(sc_core::sc_module_name name);
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~core_complex();
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inline void sync() {
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quantum_keeper.inc(curr_clk);
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if (quantum_keeper.need_sync()) {
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wait(quantum_keeper.get_local_time());
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quantum_keeper.reset();
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}
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}
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bool read_mem(uint64_t addr, unsigned length, uint8_t *const data);
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bool write_mem(uint64_t addr, unsigned length, const uint8_t *const data);
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bool read_mem_dbg(uint64_t addr, unsigned length, uint8_t *const data);
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bool write_mem_dbg(uint64_t addr, unsigned length, const uint8_t *const data);
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void trace(sc_core::sc_trace_file *trf) override;
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protected:
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void before_end_of_elaboration();
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void start_of_simulation();
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void run();
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void clk_cb();
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util::range_lut<tlm_dmi_ext> read_lut, write_lut;
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tlm_utils::tlm_quantumkeeper quantum_keeper;
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std::vector<uint8_t> write_buf;
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std::unique_ptr<core_wrapper> cpu;
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std::unique_ptr<iss::vm_if> vm;
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sc_core::sc_time curr_clk;
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};
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} /* namespace SiFive */
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} /* namespace sysc */
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#endif /* _SYSC_SIFIVE_FE310_H_ */
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