1 // See LICENSE for license details.
21 static std::string
readline(int fd
)
24 bool noncanonical
= tcgetattr(fd
, &tios
) == 0 && (tios
.c_lflag
& ICANON
) == 0;
27 for (char ch
; read(fd
, &ch
, 1) == 1; )
35 if (noncanonical
&& write(fd
, "\b \b", 3) != 3)
38 else if (noncanonical
&& write(fd
, &ch
, 1) != 1)
49 void sim_t::interactive()
51 typedef void (sim_t::*interactive_func
)(const std::string
&, const std::vector
<std::string
>&);
52 std::map
<std::string
,interactive_func
> funcs
;
54 funcs
["r"] = &sim_t::interactive_run_noisy
;
55 funcs
["rs"] = &sim_t::interactive_run_silent
;
56 funcs
["reg"] = &sim_t::interactive_reg
;
57 funcs
["fregs"] = &sim_t::interactive_fregs
;
58 funcs
["fregd"] = &sim_t::interactive_fregd
;
59 funcs
["mem"] = &sim_t::interactive_mem
;
60 funcs
["str"] = &sim_t::interactive_str
;
61 funcs
["until"] = &sim_t::interactive_until
;
62 funcs
["while"] = &sim_t::interactive_until
;
63 funcs
["q"] = &sim_t::interactive_quit
;
67 std::cerr
<< ": " << std::flush
;
68 std::string s
= readline(2);
70 std::stringstream
ss(s
);
72 std::vector
<std::string
> args
;
76 set_procs_debug(true);
87 (this->*funcs
[cmd
])(cmd
, args
);
91 ctrlc_pressed
= false;
94 void sim_t::interactive_run_noisy(const std::string
& cmd
, const std::vector
<std::string
>& args
)
96 interactive_run(cmd
,args
,true);
99 void sim_t::interactive_run_silent(const std::string
& cmd
, const std::vector
<std::string
>& args
)
101 interactive_run(cmd
,args
,false);
104 void sim_t::interactive_run(const std::string
& cmd
, const std::vector
<std::string
>& args
, bool noisy
)
106 size_t steps
= args
.size() ? atoll(args
[0].c_str()) : -1;
107 ctrlc_pressed
= false;
108 set_procs_debug(noisy
);
109 for (size_t i
= 0; i
< steps
&& !ctrlc_pressed
&& !htif
->done(); i
++)
113 void sim_t::interactive_quit(const std::string
& cmd
, const std::vector
<std::string
>& args
)
118 reg_t
sim_t::get_pc(const std::vector
<std::string
>& args
)
121 throw trap_illegal_instruction();
123 int p
= atoi(args
[0].c_str());
124 if(p
>= (int)num_cores())
125 throw trap_illegal_instruction();
127 return procs
[p
]->state
.pc
;
130 reg_t
sim_t::get_reg(const std::vector
<std::string
>& args
)
133 throw trap_illegal_instruction();
136 unsigned long p
= strtoul(args
[0].c_str(), &ptr
, 10);
137 if (*ptr
|| p
>= num_cores())
138 throw trap_illegal_instruction();
140 unsigned long r
= std::find(xpr_name
, xpr_name
+ NXPR
, args
[1]) - xpr_name
;
142 r
= strtoul(args
[1].c_str(), &ptr
, 10);
144 #define DECLARE_CSR(name, number) if (args[1] == #name) return procs[p]->get_csr(number);
146 #include "encoding.h"
153 throw trap_illegal_instruction();
155 return procs
[p
]->state
.XPR
[r
];
158 reg_t
sim_t::get_freg(const std::vector
<std::string
>& args
)
161 throw trap_illegal_instruction();
163 int p
= atoi(args
[0].c_str());
164 int r
= std::find(fpr_name
, fpr_name
+ NFPR
, args
[1]) - fpr_name
;
166 r
= atoi(args
[1].c_str());
167 if(p
>= (int)num_cores() || r
>= NFPR
)
168 throw trap_illegal_instruction();
170 return procs
[p
]->state
.FPR
[r
];
173 void sim_t::interactive_reg(const std::string
& cmd
, const std::vector
<std::string
>& args
)
175 fprintf(stderr
, "0x%016" PRIx64
"\n", get_reg(args
));
185 void sim_t::interactive_fregs(const std::string
& cmd
, const std::vector
<std::string
>& args
)
188 f
.r
= get_freg(args
);
189 fprintf(stderr
, "%g\n",f
.s
);
192 void sim_t::interactive_fregd(const std::string
& cmd
, const std::vector
<std::string
>& args
)
195 f
.r
= get_freg(args
);
196 fprintf(stderr
, "%g\n",f
.d
);
199 reg_t
sim_t::get_mem(const std::vector
<std::string
>& args
)
201 if(args
.size() != 1 && args
.size() != 2)
202 throw trap_illegal_instruction();
204 std::string addr_str
= args
[0];
205 mmu_t
* mmu
= debug_mmu
;
208 int p
= atoi(args
[0].c_str());
209 if(p
>= (int)num_cores())
210 throw trap_illegal_instruction();
211 mmu
= procs
[p
]->get_mmu();
215 reg_t addr
= strtol(addr_str
.c_str(),NULL
,16), val
;
217 addr
= strtoul(addr_str
.c_str(),NULL
,16);
222 val
= mmu
->load_uint64(addr
);
225 val
= mmu
->load_uint32(addr
);
229 val
= mmu
->load_uint16(addr
);
232 val
= mmu
->load_uint8(addr
);
238 void sim_t::interactive_mem(const std::string
& cmd
, const std::vector
<std::string
>& args
)
240 fprintf(stderr
, "0x%016" PRIx64
"\n", get_mem(args
));
243 void sim_t::interactive_str(const std::string
& cmd
, const std::vector
<std::string
>& args
)
246 throw trap_illegal_instruction();
248 reg_t addr
= strtol(args
[0].c_str(),NULL
,16);
251 while((ch
= debug_mmu
->load_uint8(addr
++)))
257 void sim_t::interactive_until(const std::string
& cmd
, const std::vector
<std::string
>& args
)
259 bool cmd_until
= cmd
== "until";
264 reg_t val
= strtol(args
[args
.size()-1].c_str(),NULL
,16);
266 val
= strtoul(args
[args
.size()-1].c_str(),NULL
,16);
268 std::vector
<std::string
> args2
;
269 args2
= std::vector
<std::string
>(args
.begin()+1,args
.end()-1);
271 auto func
= args
[0] == "reg" ? &sim_t::get_reg
:
272 args
[0] == "pc" ? &sim_t::get_pc
:
273 args
[0] == "mem" ? &sim_t::get_mem
:
279 ctrlc_pressed
= false;
285 reg_t current
= (this->*func
)(args2
);
287 if (cmd_until
== (current
== val
))
294 set_procs_debug(false);