81 lines
1.5 KiB
C++
81 lines
1.5 KiB
C++
#pragma once
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#include "VVortex.h"
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#include "VVortex__Syms.h"
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#include "verilated.h"
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#ifdef VCD_OUTPUT
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#include <verilated_vcd_c.h>
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#endif
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#include <VX_config.h>
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#include "ram.h"
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#include <ostream>
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#include <list>
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#include <vector>
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#include <sstream>
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#include <unordered_map>
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class Simulator {
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public:
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Simulator();
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virtual ~Simulator();
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void attach_ram(RAM* ram);
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void load_bin(const char* program_file);
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void load_ihex(const char* program_file);
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bool is_busy() const;
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bool snp_req_active() const;
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bool csr_req_active() const;
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void reset();
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void step();
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void wait(uint32_t cycles);
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void flush_caches(uint32_t mem_addr, uint32_t size);
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void set_csr(int core_id, int addr, unsigned value);
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void get_csr(int core_id, int addr, unsigned *value);
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void run();
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int get_last_wb_value(int reg) const;
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void print_stats(std::ostream& out);
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private:
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typedef struct {
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int cycles_left;
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std::array<uint8_t, GLOBAL_BLOCK_SIZE> block;
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unsigned tag;
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} dram_req_t;
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std::unordered_map<int, std::stringstream> print_bufs_;
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void eval();
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void eval_dram_bus();
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void eval_io_bus();
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void eval_csr_bus();
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void eval_snp_bus();
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std::list<dram_req_t> dram_rsp_vec_;
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bool dram_rsp_active_;
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bool snp_req_active_;
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bool csr_req_active_;
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uint32_t snp_req_size_;
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uint32_t pending_snp_reqs_;
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uint32_t* csr_rsp_value_;
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RAM *ram_;
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VVortex *vortex_;
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#ifdef VCD_OUTPUT
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VerilatedVcdC *trace_;
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#endif
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}; |