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1 | /* main.c --- main function for stand-alone M32C simulator. |
2 | ||
9b254dd1 | 3 | Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc. |
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4 | Contributed by Red Hat, Inc. |
5 | ||
6 | This file is part of the GNU simulators. | |
7 | ||
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8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
d45a4bef | 12 | |
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13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
d45a4bef JB |
17 | |
18 | You should have received a copy of the GNU General Public License | |
4744ac1b | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d45a4bef JB |
20 | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | #include <stdlib.h> | |
25 | #include <unistd.h> | |
26 | #include <assert.h> | |
27 | #include <setjmp.h> | |
28 | #include <signal.h> | |
29 | ||
30 | #include "bfd.h" | |
31 | ||
32 | #include "cpu.h" | |
33 | #include "mem.h" | |
34 | #include "misc.h" | |
35 | #include "load.h" | |
36 | #include "trace.h" | |
37 | ||
38 | static int disassemble = 0; | |
39 | static unsigned int cycles = 0; | |
40 | ||
41 | static void | |
42 | done (int exit_code) | |
43 | { | |
44 | if (verbose) | |
45 | { | |
46 | stack_heap_stats (); | |
47 | mem_usage_stats (); | |
48 | printf ("insns: %14s\n", comma (cycles)); | |
49 | } | |
50 | exit (exit_code); | |
51 | } | |
52 | ||
53 | int | |
54 | main (int argc, char **argv) | |
55 | { | |
56 | int o; | |
57 | int save_trace; | |
58 | bfd *prog; | |
59 | ||
60 | while ((o = getopt (argc, argv, "tvdm:")) != -1) | |
61 | switch (o) | |
62 | { | |
63 | case 't': | |
64 | trace++; | |
65 | break; | |
66 | case 'v': | |
67 | verbose++; | |
68 | break; | |
69 | case 'd': | |
70 | disassemble++; | |
71 | break; | |
72 | case 'm': | |
73 | if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0) | |
74 | default_machine = bfd_mach_m16c; | |
75 | else if (strcmp (optarg, "m32cm") == 0 | |
76 | || strcmp (optarg, "m32c") == 0) | |
77 | default_machine = bfd_mach_m32c; | |
78 | else | |
79 | { | |
80 | fprintf (stderr, "Invalid machine: %s\n", optarg); | |
81 | exit (1); | |
82 | } | |
83 | break; | |
84 | case '?': | |
85 | fprintf (stderr, | |
86 | "usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]" | |
87 | " program\n"); | |
88 | exit (1); | |
89 | } | |
90 | ||
91 | prog = bfd_openr (argv[optind], 0); | |
92 | if (!prog) | |
93 | { | |
94 | fprintf (stderr, "Can't read %s\n", argv[optind]); | |
95 | exit (1); | |
96 | } | |
97 | ||
98 | if (!bfd_check_format (prog, bfd_object)) | |
99 | { | |
100 | fprintf (stderr, "%s not a m32c program\n", argv[optind]); | |
101 | exit (1); | |
102 | } | |
103 | ||
104 | save_trace = trace; | |
105 | trace = 0; | |
106 | m32c_load (prog); | |
107 | trace = save_trace; | |
108 | ||
109 | if (disassemble) | |
110 | sim_disasm_init (prog); | |
111 | ||
112 | while (1) | |
113 | { | |
114 | int rc; | |
115 | ||
116 | if (trace) | |
117 | printf ("\n"); | |
118 | ||
119 | if (disassemble) | |
120 | sim_disasm_one (); | |
121 | ||
122 | enable_counting = verbose; | |
123 | cycles++; | |
124 | rc = decode_opcode (); | |
125 | enable_counting = 0; | |
126 | ||
127 | if (M32C_HIT_BREAK (rc)) | |
128 | done (1); | |
129 | else if (M32C_EXITED (rc)) | |
130 | done (M32C_EXIT_STATUS (rc)); | |
131 | else | |
132 | assert (M32C_STEPPED (rc)); | |
133 | ||
134 | trace_register_changes (); | |
135 | } | |
136 | } |