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d45a4bef JB |
1 | /* main.c --- main function for stand-alone M32C simulator. |
2 | ||
8acc9f48 | 3 | Copyright (C) 2005-2013 Free Software Foundation, Inc. |
d45a4bef JB |
4 | Contributed by Red Hat, Inc. |
5 | ||
6 | This file is part of the GNU simulators. | |
7 | ||
4744ac1b JB |
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 | |
4744ac1b JB |
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 | ||
340cf1cf | 22 | #include "config.h" |
d45a4bef JB |
23 | #include <stdio.h> |
24 | #include <string.h> | |
25 | #include <stdlib.h> | |
26 | #include <unistd.h> | |
27 | #include <assert.h> | |
28 | #include <setjmp.h> | |
29 | #include <signal.h> | |
3877a145 | 30 | #include <sys/types.h> |
340cf1cf DD |
31 | |
32 | #ifdef HAVE_SYS_SOCKET_H | |
33 | #ifdef HAVE_NETINET_IN_H | |
34 | #ifdef HAVE_NETINET_TCP_H | |
35 | #define HAVE_networking | |
36 | #endif | |
37 | #endif | |
38 | #endif | |
39 | ||
40 | #ifdef HAVE_networking | |
3877a145 DD |
41 | #include <sys/socket.h> |
42 | #include <netinet/in.h> | |
43 | #include <netinet/tcp.h> | |
340cf1cf | 44 | #endif |
3877a145 DD |
45 | |
46 | ||
d45a4bef JB |
47 | #include "bfd.h" |
48 | ||
49 | #include "cpu.h" | |
50 | #include "mem.h" | |
51 | #include "misc.h" | |
52 | #include "load.h" | |
53 | #include "trace.h" | |
3877a145 DD |
54 | #ifdef TIMER_A |
55 | #include "int.h" | |
56 | #include "timer_a.h" | |
57 | #endif | |
d45a4bef | 58 | |
340cf1cf | 59 | #ifdef HAVE_networking |
3877a145 DD |
60 | extern int m32c_console_ofd; |
61 | extern int m32c_console_ifd; | |
340cf1cf | 62 | #endif |
3877a145 DD |
63 | |
64 | int m32c_disassemble = 0; | |
d45a4bef JB |
65 | static unsigned int cycles = 0; |
66 | ||
67 | static void | |
68 | done (int exit_code) | |
69 | { | |
70 | if (verbose) | |
71 | { | |
72 | stack_heap_stats (); | |
73 | mem_usage_stats (); | |
74 | printf ("insns: %14s\n", comma (cycles)); | |
75 | } | |
76 | exit (exit_code); | |
77 | } | |
78 | ||
340cf1cf | 79 | #ifdef HAVE_networking |
3877a145 DD |
80 | static void |
81 | setup_tcp_console (char *portname) | |
82 | { | |
83 | int port = atoi (portname); | |
84 | struct sockaddr_in address; | |
85 | int isocket; | |
86 | socklen_t as; | |
87 | unsigned char *a; | |
88 | ||
89 | if (port < 1024) | |
90 | { | |
91 | printf ("invalid port number %d\n", port); | |
92 | exit (1); | |
93 | } | |
94 | printf ("waiting for tcp console on port %d\n", port); | |
95 | ||
96 | memset (&address, 0, sizeof (address)); | |
97 | address.sin_family = AF_INET; | |
98 | address.sin_port = htons (port); | |
99 | ||
100 | isocket = socket (AF_INET, SOCK_STREAM, 0); | |
363a6e9f | 101 | if (isocket == -1) |
3877a145 DD |
102 | { |
103 | perror ("socket"); | |
104 | exit (1); | |
105 | } | |
106 | ||
107 | if (bind (isocket, (struct sockaddr *) &address, sizeof (address))) | |
108 | { | |
109 | perror ("bind"); | |
110 | exit (1); | |
111 | } | |
112 | listen (isocket, 2); | |
113 | ||
114 | printf ("waiting for connection...\n"); | |
115 | as = sizeof (address); | |
116 | m32c_console_ifd = accept (isocket, (struct sockaddr *) &address, &as); | |
117 | if (m32c_console_ifd == -1) | |
118 | { | |
119 | perror ("accept"); | |
120 | exit (1); | |
121 | } | |
122 | a = (unsigned char *) (&address.sin_addr.s_addr); | |
123 | printf ("connection from %d.%d.%d.%d\n", a[0], a[1], a[2], a[3]); | |
124 | m32c_console_ofd = m32c_console_ifd; | |
125 | } | |
340cf1cf | 126 | #endif |
3877a145 | 127 | |
d45a4bef JB |
128 | int |
129 | main (int argc, char **argv) | |
130 | { | |
131 | int o; | |
132 | int save_trace; | |
133 | bfd *prog; | |
340cf1cf | 134 | #ifdef HAVE_networking |
3877a145 | 135 | char *console_port_s = 0; |
340cf1cf | 136 | #endif |
3877a145 DD |
137 | |
138 | setbuf (stdout, 0); | |
139 | ||
140 | in_gdb = 0; | |
d45a4bef | 141 | |
e7ddc197 | 142 | while ((o = getopt (argc, argv, "tc:vdm:C")) != -1) |
d45a4bef JB |
143 | switch (o) |
144 | { | |
145 | case 't': | |
146 | trace++; | |
147 | break; | |
3877a145 | 148 | case 'c': |
340cf1cf | 149 | #ifdef HAVE_networking |
3877a145 | 150 | console_port_s = optarg; |
340cf1cf DD |
151 | #else |
152 | fprintf (stderr, "Nework console not available in this build.\n"); | |
153 | #endif | |
3877a145 | 154 | break; |
e7ddc197 | 155 | case 'C': |
340cf1cf | 156 | #ifdef HAVE_TERMIOS_H |
e7ddc197 | 157 | m32c_use_raw_console = 1; |
340cf1cf DD |
158 | #else |
159 | fprintf (stderr, "Raw console not available in this build.\n"); | |
160 | #endif | |
e7ddc197 | 161 | break; |
d45a4bef JB |
162 | case 'v': |
163 | verbose++; | |
164 | break; | |
165 | case 'd': | |
3877a145 | 166 | m32c_disassemble++; |
d45a4bef JB |
167 | break; |
168 | case 'm': | |
169 | if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0) | |
170 | default_machine = bfd_mach_m16c; | |
171 | else if (strcmp (optarg, "m32cm") == 0 | |
172 | || strcmp (optarg, "m32c") == 0) | |
173 | default_machine = bfd_mach_m32c; | |
174 | else | |
175 | { | |
176 | fprintf (stderr, "Invalid machine: %s\n", optarg); | |
177 | exit (1); | |
178 | } | |
179 | break; | |
180 | case '?': | |
181 | fprintf (stderr, | |
e7ddc197 | 182 | "usage: run [-v] [-C] [-c port] [-t] [-d] [-m r8c|m16c|m32cm|m32c]" |
3877a145 | 183 | " program\n"); |
d45a4bef JB |
184 | exit (1); |
185 | } | |
186 | ||
187 | prog = bfd_openr (argv[optind], 0); | |
188 | if (!prog) | |
189 | { | |
190 | fprintf (stderr, "Can't read %s\n", argv[optind]); | |
191 | exit (1); | |
192 | } | |
193 | ||
194 | if (!bfd_check_format (prog, bfd_object)) | |
195 | { | |
196 | fprintf (stderr, "%s not a m32c program\n", argv[optind]); | |
197 | exit (1); | |
198 | } | |
199 | ||
200 | save_trace = trace; | |
201 | trace = 0; | |
202 | m32c_load (prog); | |
203 | trace = save_trace; | |
204 | ||
340cf1cf | 205 | #ifdef HAVE_networking |
3877a145 DD |
206 | if (console_port_s) |
207 | setup_tcp_console (console_port_s); | |
340cf1cf | 208 | #endif |
3877a145 DD |
209 | |
210 | sim_disasm_init (prog); | |
d45a4bef JB |
211 | |
212 | while (1) | |
213 | { | |
214 | int rc; | |
215 | ||
216 | if (trace) | |
217 | printf ("\n"); | |
218 | ||
3877a145 | 219 | if (m32c_disassemble) |
d45a4bef JB |
220 | sim_disasm_one (); |
221 | ||
222 | enable_counting = verbose; | |
223 | cycles++; | |
224 | rc = decode_opcode (); | |
225 | enable_counting = 0; | |
226 | ||
227 | if (M32C_HIT_BREAK (rc)) | |
228 | done (1); | |
229 | else if (M32C_EXITED (rc)) | |
230 | done (M32C_EXIT_STATUS (rc)); | |
231 | else | |
232 | assert (M32C_STEPPED (rc)); | |
233 | ||
234 | trace_register_changes (); | |
3877a145 DD |
235 | |
236 | #ifdef TIMER_A | |
237 | update_timer_a (); | |
238 | #endif | |
d45a4bef JB |
239 | } |
240 | } |