1 // See LICENSE for license details.
13 // this class encapsulates the processors and memory in a RISC-V machine.
17 sim_t(int _nprocs
, int mem_mb
, const std::vector
<std::string
>& htif_args
);
20 // run the simulation to completion
23 // deliver an IPI to a specific processor
24 void send_ipi(reg_t who
);
26 // returns the number of processors in this simulator
27 size_t num_cores() { return procs
.size(); }
28 processor_t
* get_core(size_t i
) { return procs
[i
]; }
30 // read one of the system control registers
31 reg_t
get_scr(int which
);
36 // main memory, shared between processors
38 size_t memsz
; // memory size in bytes
39 mmu_t
* mmu
; // debug port into main memory
42 std::vector
<processor_t
*> procs
;
44 // run each processor for n instructions; interleave instructions are
45 // run on a processor before moving on to the next processor.
46 // interleave must divide n.
47 // if noisy, print out the instructions as they execute.
48 void step_all(size_t n
, size_t interleave
, bool noisy
);
50 // presents a prompt for introspection into the simulation
53 // functions that help implement interactive()
54 void interactive_quit(const std::string
& cmd
, const std::vector
<std::string
>& args
);
55 void interactive_run(const std::string
& cmd
, const std::vector
<std::string
>& args
, bool noisy
);
56 void interactive_run_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
);
57 void interactive_run_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
);
58 void interactive_run_proc(const std::string
& cmd
, const std::vector
<std::string
>& args
, bool noisy
);
59 void interactive_run_proc_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
);
60 void interactive_run_proc_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
);
61 void interactive_reg(const std::string
& cmd
, const std::vector
<std::string
>& args
);
62 void interactive_fregs(const std::string
& cmd
, const std::vector
<std::string
>& args
);
63 void interactive_fregd(const std::string
& cmd
, const std::vector
<std::string
>& args
);
64 void interactive_mem(const std::string
& cmd
, const std::vector
<std::string
>& args
);
65 void interactive_str(const std::string
& cmd
, const std::vector
<std::string
>& args
);
66 void interactive_until(const std::string
& cmd
, const std::vector
<std::string
>& args
);
67 reg_t
get_reg(const std::vector
<std::string
>& args
);
68 reg_t
get_freg(const std::vector
<std::string
>& args
);
69 reg_t
get_mem(const std::vector
<std::string
>& args
);
70 reg_t
get_pc(const std::vector
<std::string
>& args
);
71 reg_t
get_tohost(const std::vector
<std::string
>& args
);
73 friend class htif_isasim_t
;