106 lines
1.7 KiB
C++
106 lines
1.7 KiB
C++
/*!
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\file Registers.h
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\brief Basic register file implementation
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\author Màrius Montón
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\date August 2018
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*/
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#ifndef REGISTERS_H
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#define REGISTERS_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 "Performance.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 Register file implementation
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*/
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class Registers {
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public:
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/**
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* Default constructor
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*/
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Registers();
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/**
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* Set value for a register
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* @param reg_num register number
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* @param value register value
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*/
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void setValue(int reg_num, int32_t value);
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/**
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* Returns register value
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* @param reg_num register number
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* @return register value
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*/
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int32_t getValue(int reg_num);
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/**
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* Returns PC value
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* @return PC value
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*/
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uint32_t getPC();
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/**
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* Sets arbitraty value to PC
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* @param new_pc new address to PC
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*/
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void setPC(uint32_t new_pc);
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/**
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* Increments PC couunter to next address
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*/
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inline void incPC() {
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register_PC += 4;
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}
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/**
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* @brief Get CSR value
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* @param csr CSR number to access
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* @return CSR value
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*/
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inline uint32_t getCSR(int csr) {
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return CSR[csr];
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}
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/**
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* @brief Set CSR value
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* @param csr CSR number to access
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* @param value new value to register
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*/
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inline void setCSR(int csr, uint32_t value) {
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CSR[csr] = value;
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}
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/**
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* Dump register data to console
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*/
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void dump();
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private:
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/**
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* bank of registers (32 regs of 32bits each)
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*/
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int32_t register_bank[32];
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/**
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* Program counter (32 bits width)
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*/
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uint32_t register_PC;
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/**
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* CSR registers (4096 maximum)
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*/
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uint32_t CSR[4096];
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Performance *perf;
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};
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#endif
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