57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*******************************************************************************
|
|
* Copyright 2017 eyck@minres.com
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
|
* use this file except in compliance with the License. You may obtain a copy
|
|
* of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations under
|
|
* the License.
|
|
******************************************************************************/
|
|
|
|
#ifndef _PLIC_H_
|
|
#define _PLIC_H_
|
|
|
|
#include <sysc/tlm_target.h>
|
|
#include <sysc/register.h>
|
|
|
|
namespace sysc {
|
|
|
|
class plic_regs;
|
|
|
|
class plic: public sc_core::sc_module, public tlm_target<> {
|
|
public:
|
|
SC_HAS_PROCESS(plic);
|
|
sc_core::sc_in<sc_core::sc_time> clk_i;
|
|
sc_core::sc_in<bool> rst_i;
|
|
sc_core::sc_vector<sc_core::sc_in<bool>> global_interrupts_i;
|
|
sc_core::sc_out<bool> core_interrupt_o;
|
|
sc_core::sc_event raise_int_ev;
|
|
sc_core::sc_event clear_int_ev;
|
|
plic(sc_core::sc_module_name nm);
|
|
virtual ~plic();
|
|
protected:
|
|
void clock_cb();
|
|
void reset_cb();
|
|
void init_callbacks();
|
|
|
|
void global_int_port_cb();
|
|
void handle_pending_int();
|
|
void reset_pending_int(uint32_t irq);
|
|
|
|
void raise_core_interrupt();
|
|
void clear_core_interrupt();
|
|
sc_core::sc_time clk;
|
|
std::unique_ptr<plic_regs> regs;
|
|
std::function<bool(sc_register<uint32_t>,uint32_t)> m_claim_complete_write_cb;
|
|
};
|
|
|
|
} /* namespace sysc */
|
|
|
|
#endif /* _PLIC_H_ */
|