8 sim_t::sim_t(int _nprocs
, size_t _memsz
, appserver_link_t
* _applink
)
11 mem((char*)mmap64(NULL
, memsz
, PROT_WRITE
, MAP_PRIVATE
| MAP_ANON
, -1, 0)),
12 procs(std::vector
<processor_t
>(_nprocs
,processor_t(this,mem
,memsz
)))
14 demand(mem
!= MAP_FAILED
, "couldn't allocate target machine's memory");
16 for(int i
= 0; i
< (int)procs
.size(); i
++)
26 void sim_t::set_tohost(reg_t val
)
30 applink
->wait_for_tohost();
33 reg_t
sim_t::get_fromhost()
35 applink
->wait_for_fromhost();
39 void sim_t::run(bool debug
)
41 applink
->wait_for_start();
46 step_all(100,100,false);
51 std::cin
.getline(s
,sizeof(s
)-1);
53 char* p
= strtok(s
," ");
56 interactive_run_noisy(std::string("r"), std::vector
<std::string
>(1,"1"));
61 std::vector
<std::string
> args
;
62 while((p
= strtok(NULL
," ")))
66 typedef void (sim_t::*interactive_func
)(const std::string
&, const std::vector
<std::string
>&);
67 std::map
<std::string
,interactive_func
> funcs
;
69 funcs
["r"] = &sim_t::interactive_run_noisy
;
70 funcs
["rs"] = &sim_t::interactive_run_silent
;
71 funcs
["rp"] = &sim_t::interactive_run_proc_noisy
;
72 funcs
["rps"] = &sim_t::interactive_run_proc_silent
;
73 funcs
["reg"] = &sim_t::interactive_reg
;
74 funcs
["fregs"] = &sim_t::interactive_fregs
;
75 funcs
["fregd"] = &sim_t::interactive_fregd
;
76 funcs
["mem"] = &sim_t::interactive_mem
;
77 funcs
["until"] = &sim_t::interactive_until
;
78 funcs
["while"] = &sim_t::interactive_until
;
79 funcs
["q"] = &sim_t::interactive_quit
;
84 (this->*funcs
[cmd
])(cmd
, args
);
91 void sim_t::step_all(size_t n
, size_t interleave
, bool noisy
)
93 for(size_t j
= 0; j
< n
; j
+=interleave
)
94 for(int i
= 0; i
< (int)procs
.size(); i
++)
95 procs
[i
].step(interleave
,noisy
);
98 void sim_t::interactive_run_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
)
100 interactive_run(cmd
,args
,true);
103 void sim_t::interactive_run_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
)
105 interactive_run(cmd
,args
,false);
108 void sim_t::interactive_run(const std::string
& cmd
, const std::vector
<std::string
>& args
, bool noisy
)
111 step_all(atoi(args
[0].c_str()),1,noisy
);
113 while(1) step_all(1,1,noisy
);
116 void sim_t::interactive_run_proc_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
)
118 interactive_run_proc(cmd
,args
,true);
121 void sim_t::interactive_run_proc_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
)
123 interactive_run_proc(cmd
,args
,false);
126 void sim_t::interactive_run_proc(const std::string
& cmd
, const std::vector
<std::string
>& a
, bool noisy
)
131 int p
= atoi(a
[0].c_str());
132 if(p
>= (int)procs
.size())
136 procs
[p
].step(atoi(a
[1].c_str()),noisy
);
138 while(1) procs
[p
].step(1,noisy
);
141 void sim_t::interactive_quit(const std::string
& cmd
, const std::vector
<std::string
>& args
)
146 reg_t
sim_t::get_pc(const std::vector
<std::string
>& args
)
149 throw trap_illegal_instruction
;
151 int p
= atoi(args
[0].c_str());
152 if(p
>= (int)procs
.size())
153 throw trap_illegal_instruction
;
158 reg_t
sim_t::get_reg(const std::vector
<std::string
>& args
)
161 throw trap_illegal_instruction
;
163 int p
= atoi(args
[0].c_str());
164 int r
= atoi(args
[1].c_str());
165 if(p
>= (int)procs
.size() || r
>= NGPR
)
166 throw trap_illegal_instruction
;
168 return procs
[p
].R
[r
];
171 reg_t
sim_t::get_freg(const std::vector
<std::string
>& args
)
174 throw trap_illegal_instruction
;
176 int p
= atoi(args
[0].c_str());
177 int r
= atoi(args
[1].c_str());
178 if(p
>= (int)procs
.size() || r
>= NFPR
)
179 throw trap_illegal_instruction
;
181 return procs
[p
].FR
[r
];
184 reg_t
sim_t::get_tohost(const std::vector
<std::string
>& args
)
187 throw trap_illegal_instruction
;
189 int p
= atoi(args
[0].c_str());
190 if(p
>= (int)procs
.size())
191 throw trap_illegal_instruction
;
193 return procs
[p
].tohost
;
196 void sim_t::interactive_reg(const std::string
& cmd
, const std::vector
<std::string
>& args
)
198 printf("0x%016llx\n",(unsigned long long)get_reg(args
));
208 void sim_t::interactive_fregs(const std::string
& cmd
, const std::vector
<std::string
>& args
)
211 f
.r
= get_freg(args
);
215 void sim_t::interactive_fregd(const std::string
& cmd
, const std::vector
<std::string
>& args
)
218 f
.r
= get_freg(args
);
222 reg_t
sim_t::get_mem(const std::vector
<std::string
>& args
)
225 throw trap_illegal_instruction
;
227 reg_t addr
= strtol(args
[0].c_str(),NULL
,16), val
;
228 mmu_t
mmu(mem
,memsz
);
232 val
= mmu
.load_uint64(addr
);
235 val
= mmu
.load_uint32(addr
);
239 val
= mmu
.load_uint16(addr
);
242 val
= mmu
.load_uint8(addr
);
248 void sim_t::interactive_mem(const std::string
& cmd
, const std::vector
<std::string
>& args
)
250 printf("0x%016llx\n",(unsigned long long)get_mem(args
));
253 void sim_t::interactive_until(const std::string
& cmd
, const std::vector
<std::string
>& args
)
258 std::string scmd
= args
[0];
259 reg_t val
= strtol(args
[args
.size()-1].c_str(),NULL
,16);
261 std::vector
<std::string
> args2
;
262 args2
= std::vector
<std::string
>(args
.begin()+1,args
.end()-1);
268 current
= get_reg(args2
);
269 else if(scmd
== "pc")
270 current
= get_pc(args2
);
271 else if(scmd
== "mem")
272 current
= get_mem(args2
);
273 else if(scmd
== "tohost")
274 current
= get_tohost(args2
);
278 if(cmd
== "until" && current
== val
)
280 if(cmd
== "while" && current
!= val
)