1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/* main.c --- main function for stand-alone RL78 simulator.
Copyright (C) 2011-2015 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
This file is part of the GNU simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <assert.h>
#include <setjmp.h>
#include <signal.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include "libiberty.h"
#include "bfd.h"
#include "cpu.h"
#include "mem.h"
#include "load.h"
#include "trace.h"
static int disassemble = 0;
static const char * dump_counts_filename = NULL;
static void
done (int exit_code)
{
if (verbose)
{
printf ("Exit code: %d\n", exit_code);
printf ("total clocks: %lld\n", total_clocks);
}
if (dump_counts_filename)
dump_counts_per_insn (dump_counts_filename);
exit (exit_code);
}
int
main (int argc, char **argv)
{
int o;
int save_trace;
bfd *prog;
int rc;
xmalloc_set_program_name (argv[0]);
while ((o = getopt (argc, argv, "tvdr:D:")) != -1)
{
switch (o)
{
case 't':
trace ++;
break;
case 'v':
verbose ++;
break;
case 'd':
disassemble ++;
break;
case 'r':
mem_ram_size (atoi (optarg));
break;
case 'D':
dump_counts_filename = optarg;
break;
case '?':
{
fprintf (stderr,
"usage: run [options] program [arguments]\n");
fprintf (stderr,
"\t-v\t\t- increase verbosity.\n"
"\t-t\t\t- trace.\n"
"\t-d\t\t- disassemble.\n"
"\t-r <bytes>\t- ram size.\n"
"\t-D <filename>\t- dump cycle count histogram\n");
exit (1);
}
}
}
prog = bfd_openr (argv[optind], 0);
if (!prog)
{
fprintf (stderr, "Can't read %s\n", argv[optind]);
exit (1);
}
if (!bfd_check_format (prog, bfd_object))
{
fprintf (stderr, "%s not a rl78 program\n", argv[optind]);
exit (1);
}
init_cpu ();
rl78_in_gdb = 0;
save_trace = trace;
trace = 0;
rl78_load (prog, 0, argv[0]);
trace = save_trace;
sim_disasm_init (prog);
rc = setjmp (decode_jmp_buf);
if (rc == 0)
{
if (!trace && !disassemble)
{
/* This will longjmp to the above if an exception
happens. */
for (;;)
decode_opcode ();
}
else
while (1)
{
if (trace)
printf ("\n");
if (disassemble)
sim_disasm_one ();
rc = decode_opcode ();
if (trace)
trace_register_changes ();
}
}
if (RL78_HIT_BREAK (rc))
done (1);
else if (RL78_EXITED (rc))
done (RL78_EXIT_STATUS (rc));
else if (RL78_STOPPED (rc))
{
if (verbose)
printf ("Stopped on signal %d\n", RL78_STOP_SIG (rc));
exit (1);
}
done (0);
exit (0);
}
|
