103 lines
2.0 KiB
C++
103 lines
2.0 KiB
C++
/*!
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\file CPU.h
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\brief Main CPU class
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\author Màrius Montón
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\date August 2018
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*/
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#ifndef CPU_BASE_H
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#define CPU_BASE_H
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#define SC_INCLUDE_DYNAMIC_PROCESSES
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#include "systemc"
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#include "tlm.h"
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#include "tlm_utils/simple_initiator_socket.h"
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#include "memory.h"
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#include "Execute.h"
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#include "Registers.h"
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#include "Log.h"
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#include "Instruction.h"
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#include "C_Instruction.h"
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#include "M_Instruction.h"
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#include "A_Instruction.h"
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using namespace sc_core;
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using namespace sc_dt;
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using namespace std;
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/**
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* @brief ISC_V CPU model
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* @param name name of the module
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*/
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class CPU: sc_module {
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public:
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/**
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* @brief Instruction Memory bus socket
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* @param trans transction to perfoem
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* @param delay time to annotate
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*/
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tlm_utils::simple_initiator_socket<CPU> instr_bus;
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/**
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* @brief IRQ line socket
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* @param trans transction to perform (empty)
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* @param delay time to annotate
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*/
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tlm_utils::simple_target_socket<CPU> irq_line_socket;
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/**
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* @brief Constructor
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* @param name Module name
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* @param PC Program Counter initialize value
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*/
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CPU(sc_module_name name, uint32_t PC);
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/**
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* @brief Destructor
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*/
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~CPU();
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Execute *exec;
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private:
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Registers *register_bank;
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Performance *perf;
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Log *log;
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bool interrupt;
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/**
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*
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* @brief Process and triggers IRQ if all conditions memory_socket
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* @return true if IRQ is triggered, false otherwise
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*/
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bool cpu_process_IRQ();
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/**
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* @brief Executes default ISA instruction
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* @param inst instruction to execute
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* @return true if PC is affected by instruction
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*/
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bool process_base_instruction(Instruction &inst);
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bool process_c_instruction(Instruction &inst);
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bool process_m_instruction(Instruction &inst);
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bool process_a_instruction(Instruction inst);
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void CPU_thread(void);
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/**
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* @brief callback for IRQ simple socket
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* @param trans transaction to perform (empty)
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* @param delay time to annotate
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*/
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void call_interrupt(tlm::tlm_generic_payload &trans, sc_time &delay);
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};
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#endif
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