11 // this class encapsulates the processors and memory in a RISC-V machine.
15 sim_t(int _nprocs
, htif_t
* _htif
);
18 // run the simulation to completion
21 // communicate with the host machine
22 void set_tohost(reg_t val
);
26 // deliver an IPI to a specific processor
27 void send_ipi(reg_t who
);
29 // returns the number of processors in this simulator
30 size_t num_cores() { return procs
.size(); }
35 // global registers for communication with host machine
39 // main memory, shared between processors
41 size_t memsz
; // memory size in bytes
42 mmu_t
* mmu
; // debug port into main memory
45 std::vector
<processor_t
*> procs
;
47 // terminate the simulation loop after the current iteration
48 void stop() { running
= false; }
51 // run each processor for n instructions; interleave instructions are
52 // run on a processor before moving on to the next processor.
53 // interleave must divide n.
54 // if noisy, print out the instructions as they execute.
55 void step_all(size_t n
, size_t interleave
, bool noisy
);
57 // presents a prompt for introspection into the simulation
60 // functions that help implement interactive()
61 void interactive_quit(const std::string
& cmd
, const std::vector
<std::string
>& args
);
62 void interactive_run(const std::string
& cmd
, const std::vector
<std::string
>& args
, bool noisy
);
63 void interactive_run_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
);
64 void interactive_run_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
);
65 void interactive_run_proc(const std::string
& cmd
, const std::vector
<std::string
>& args
, bool noisy
);
66 void interactive_run_proc_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
);
67 void interactive_run_proc_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
);
68 void interactive_reg(const std::string
& cmd
, const std::vector
<std::string
>& args
);
69 void interactive_fregs(const std::string
& cmd
, const std::vector
<std::string
>& args
);
70 void interactive_fregd(const std::string
& cmd
, const std::vector
<std::string
>& args
);
71 void interactive_mem(const std::string
& cmd
, const std::vector
<std::string
>& args
);
72 void interactive_str(const std::string
& cmd
, const std::vector
<std::string
>& args
);
73 void interactive_until(const std::string
& cmd
, const std::vector
<std::string
>& args
);
74 reg_t
get_reg(const std::vector
<std::string
>& args
);
75 reg_t
get_freg(const std::vector
<std::string
>& args
);
76 reg_t
get_mem(const std::vector
<std::string
>& args
);
77 reg_t
get_pc(const std::vector
<std::string
>& args
);
78 reg_t
get_tohost(const std::vector
<std::string
>& args
);