- sim_t(const char* isa, size_t _nprocs, size_t mem_mb,
- const std::vector<std::string>& htif_args);
+ sim_t(const char* isa, size_t _nprocs, bool halted, reg_t start_pc,
+ std::vector<std::pair<reg_t, mem_t*>> mems,
+ const std::vector<std::string>& args);
- htif_isasim_t* get_htif() { return htif.get(); }
-
- // deliver an IPI to a specific processor
- void send_ipi(reg_t who);
-
- // returns the number of processors in this simulator
- size_t num_cores() { return procs.size(); }
+ void set_gdbserver(gdbserver_t* gdbserver) { this->gdbserver = gdbserver; }
+ const char* get_dts() { return dts.c_str(); }
- std::unique_ptr<htif_isasim_t> htif;
- char* mem; // main memory
- size_t memsz; // memory size in bytes
+ std::vector<std::pair<reg_t, mem_t*>> mems;
void step(size_t n); // step through simulation
static const size_t INTERLEAVE = 5000;
static const size_t INSNS_PER_RTC_TICK = 100; // 10 MHz clock for 1 BIPS core
void step(size_t n); // step through simulation
static const size_t INTERLEAVE = 5000;
static const size_t INSNS_PER_RTC_TICK = 100; // 10 MHz clock for 1 BIPS core
+ gdbserver_t* gdbserver;
+
+ // memory-mapped I/O routines
+ char* addr_to_mem(reg_t addr);
+ bool mmio_load(reg_t addr, size_t len, uint8_t* bytes);
+ bool mmio_store(reg_t addr, size_t len, const uint8_t* bytes);
+ void make_dtb();
// presents a prompt for introspection into the simulation
void interactive();
// functions that help implement interactive()
// presents a prompt for introspection into the simulation
void interactive();
// functions that help implement interactive()
void interactive_quit(const std::string& cmd, const std::vector<std::string>& args);
void interactive_run(const std::string& cmd, const std::vector<std::string>& args, bool noisy);
void interactive_run_noisy(const std::string& cmd, const std::vector<std::string>& args);
void interactive_run_silent(const std::string& cmd, const std::vector<std::string>& args);
void interactive_reg(const std::string& cmd, const std::vector<std::string>& args);
void interactive_quit(const std::string& cmd, const std::vector<std::string>& args);
void interactive_run(const std::string& cmd, const std::vector<std::string>& args, bool noisy);
void interactive_run_noisy(const std::string& cmd, const std::vector<std::string>& args);
void interactive_run_silent(const std::string& cmd, const std::vector<std::string>& args);
void interactive_reg(const std::string& cmd, const std::vector<std::string>& args);
void interactive_fregs(const std::string& cmd, const std::vector<std::string>& args);
void interactive_fregd(const std::string& cmd, const std::vector<std::string>& args);
void interactive_fregs(const std::string& cmd, const std::vector<std::string>& args);
void interactive_fregd(const std::string& cmd, const std::vector<std::string>& args);
void interactive_mem(const std::string& cmd, const std::vector<std::string>& args);
void interactive_str(const std::string& cmd, const std::vector<std::string>& args);
void interactive_until(const std::string& cmd, const std::vector<std::string>& args);
reg_t get_reg(const std::vector<std::string>& args);
void interactive_mem(const std::string& cmd, const std::vector<std::string>& args);
void interactive_str(const std::string& cmd, const std::vector<std::string>& args);
void interactive_until(const std::string& cmd, const std::vector<std::string>& args);
reg_t get_reg(const std::vector<std::string>& args);
reg_t get_mem(const std::vector<std::string>& args);
reg_t get_pc(const std::vector<std::string>& args);
reg_t get_mem(const std::vector<std::string>& args);
reg_t get_pc(const std::vector<std::string>& args);
+ friend class mmu_t;
+ friend class gdbserver_t;
+
+ // htif
+ friend void sim_thread_main(void*);
+ void main();
+
+ context_t* host;
+ context_t target;
+ void reset() { }
+ void idle();
+ void read_chunk(addr_t taddr, size_t len, void* dst);
+ void write_chunk(addr_t taddr, size_t len, const void* src);
+ size_t chunk_align() { return 8; }
+ size_t chunk_max_size() { return 8; }