58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/*******************************************************************************
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* Copyright 2017 eyck@minres.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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******************************************************************************/
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#ifndef _CLINT_H_
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#define _CLINT_H_
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#include <sysc/tlm_target.h>
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namespace iss {
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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 clint_regs;
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namespace SiFive {
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class core_complex;
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}
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class clint : public sc_core::sc_module, public tlm_target<> {
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public:
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SC_HAS_PROCESS(clint);
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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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sc_core::sc_out<bool> mtime_int_o;
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sc_core::sc_out<bool> msip_int_o;
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clint(sc_core::sc_module_name nm);
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virtual ~clint() override; // need to keep it in source file because of fwd declaration of clint_regs
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protected:
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void clock_cb();
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void reset_cb();
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void update_mtime();
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sc_core::sc_time clk, last_updt;
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unsigned cnt_fraction;
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std::unique_ptr<clint_regs> regs;
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sc_core::sc_event mtime_evt;
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};
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} /* namespace sysc */
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#endif /* _CLINT_H_ */
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