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d45a4bef JB |
1 | /* main.c --- main function for stand-alone M32C simulator. |
2 | ||
7b6bb8da JB |
3 | Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011 |
4 | Free Software Foundation, Inc. | |
d45a4bef JB |
5 | Contributed by Red Hat, Inc. |
6 | ||
7 | This file is part of the GNU simulators. | |
8 | ||
4744ac1b JB |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 3 of the License, or | |
12 | (at your option) any later version. | |
d45a4bef | 13 | |
4744ac1b JB |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
d45a4bef JB |
18 | |
19 | You should have received a copy of the GNU General Public License | |
4744ac1b | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d45a4bef JB |
21 | |
22 | ||
340cf1cf | 23 | #include "config.h" |
d45a4bef JB |
24 | #include <stdio.h> |
25 | #include <string.h> | |
26 | #include <stdlib.h> | |
27 | #include <unistd.h> | |
28 | #include <assert.h> | |
29 | #include <setjmp.h> | |
30 | #include <signal.h> | |
3877a145 | 31 | #include <sys/types.h> |
340cf1cf DD |
32 | |
33 | #ifdef HAVE_SYS_SOCKET_H | |
34 | #ifdef HAVE_NETINET_IN_H | |
35 | #ifdef HAVE_NETINET_TCP_H | |
36 | #define HAVE_networking | |
37 | #endif | |
38 | #endif | |
39 | #endif | |
40 | ||
41 | #ifdef HAVE_networking | |
3877a145 DD |
42 | #include <sys/socket.h> |
43 | #include <netinet/in.h> | |
44 | #include <netinet/tcp.h> | |
340cf1cf | 45 | #endif |
3877a145 DD |
46 | |
47 | ||
d45a4bef JB |
48 | #include "bfd.h" |
49 | ||
50 | #include "cpu.h" | |
51 | #include "mem.h" | |
52 | #include "misc.h" | |
53 | #include "load.h" | |
54 | #include "trace.h" | |
3877a145 DD |
55 | #ifdef TIMER_A |
56 | #include "int.h" | |
57 | #include "timer_a.h" | |
58 | #endif | |
d45a4bef | 59 | |
340cf1cf | 60 | #ifdef HAVE_networking |
3877a145 DD |
61 | extern int m32c_console_ofd; |
62 | extern int m32c_console_ifd; | |
340cf1cf | 63 | #endif |
3877a145 DD |
64 | |
65 | int m32c_disassemble = 0; | |
d45a4bef JB |
66 | static unsigned int cycles = 0; |
67 | ||
68 | static void | |
69 | done (int exit_code) | |
70 | { | |
71 | if (verbose) | |
72 | { | |
73 | stack_heap_stats (); | |
74 | mem_usage_stats (); | |
75 | printf ("insns: %14s\n", comma (cycles)); | |
76 | } | |
77 | exit (exit_code); | |
78 | } | |
79 | ||
340cf1cf | 80 | #ifdef HAVE_networking |
3877a145 DD |
81 | static void |
82 | setup_tcp_console (char *portname) | |
83 | { | |
84 | int port = atoi (portname); | |
85 | struct sockaddr_in address; | |
86 | int isocket; | |
87 | socklen_t as; | |
88 | unsigned char *a; | |
89 | ||
90 | if (port < 1024) | |
91 | { | |
92 | printf ("invalid port number %d\n", port); | |
93 | exit (1); | |
94 | } | |
95 | printf ("waiting for tcp console on port %d\n", port); | |
96 | ||
97 | memset (&address, 0, sizeof (address)); | |
98 | address.sin_family = AF_INET; | |
99 | address.sin_port = htons (port); | |
100 | ||
101 | isocket = socket (AF_INET, SOCK_STREAM, 0); | |
363a6e9f | 102 | if (isocket == -1) |
3877a145 DD |
103 | { |
104 | perror ("socket"); | |
105 | exit (1); | |
106 | } | |
107 | ||
108 | if (bind (isocket, (struct sockaddr *) &address, sizeof (address))) | |
109 | { | |
110 | perror ("bind"); | |
111 | exit (1); | |
112 | } | |
113 | listen (isocket, 2); | |
114 | ||
115 | printf ("waiting for connection...\n"); | |
116 | as = sizeof (address); | |
117 | m32c_console_ifd = accept (isocket, (struct sockaddr *) &address, &as); | |
118 | if (m32c_console_ifd == -1) | |
119 | { | |
120 | perror ("accept"); | |
121 | exit (1); | |
122 | } | |
123 | a = (unsigned char *) (&address.sin_addr.s_addr); | |
124 | printf ("connection from %d.%d.%d.%d\n", a[0], a[1], a[2], a[3]); | |
125 | m32c_console_ofd = m32c_console_ifd; | |
126 | } | |
340cf1cf | 127 | #endif |
3877a145 | 128 | |
d45a4bef JB |
129 | int |
130 | main (int argc, char **argv) | |
131 | { | |
132 | int o; | |
133 | int save_trace; | |
134 | bfd *prog; | |
340cf1cf | 135 | #ifdef HAVE_networking |
3877a145 | 136 | char *console_port_s = 0; |
340cf1cf | 137 | #endif |
3877a145 DD |
138 | |
139 | setbuf (stdout, 0); | |
140 | ||
141 | in_gdb = 0; | |
d45a4bef | 142 | |
e7ddc197 | 143 | while ((o = getopt (argc, argv, "tc:vdm:C")) != -1) |
d45a4bef JB |
144 | switch (o) |
145 | { | |
146 | case 't': | |
147 | trace++; | |
148 | break; | |
3877a145 | 149 | case 'c': |
340cf1cf | 150 | #ifdef HAVE_networking |
3877a145 | 151 | console_port_s = optarg; |
340cf1cf DD |
152 | #else |
153 | fprintf (stderr, "Nework console not available in this build.\n"); | |
154 | #endif | |
3877a145 | 155 | break; |
e7ddc197 | 156 | case 'C': |
340cf1cf | 157 | #ifdef HAVE_TERMIOS_H |
e7ddc197 | 158 | m32c_use_raw_console = 1; |
340cf1cf DD |
159 | #else |
160 | fprintf (stderr, "Raw console not available in this build.\n"); | |
161 | #endif | |
e7ddc197 | 162 | break; |
d45a4bef JB |
163 | case 'v': |
164 | verbose++; | |
165 | break; | |
166 | case 'd': | |
3877a145 | 167 | m32c_disassemble++; |
d45a4bef JB |
168 | break; |
169 | case 'm': | |
170 | if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0) | |
171 | default_machine = bfd_mach_m16c; | |
172 | else if (strcmp (optarg, "m32cm") == 0 | |
173 | || strcmp (optarg, "m32c") == 0) | |
174 | default_machine = bfd_mach_m32c; | |
175 | else | |
176 | { | |
177 | fprintf (stderr, "Invalid machine: %s\n", optarg); | |
178 | exit (1); | |
179 | } | |
180 | break; | |
181 | case '?': | |
182 | fprintf (stderr, | |
e7ddc197 | 183 | "usage: run [-v] [-C] [-c port] [-t] [-d] [-m r8c|m16c|m32cm|m32c]" |
3877a145 | 184 | " program\n"); |
d45a4bef JB |
185 | exit (1); |
186 | } | |
187 | ||
188 | prog = bfd_openr (argv[optind], 0); | |
189 | if (!prog) | |
190 | { | |
191 | fprintf (stderr, "Can't read %s\n", argv[optind]); | |
192 | exit (1); | |
193 | } | |
194 | ||
195 | if (!bfd_check_format (prog, bfd_object)) | |
196 | { | |
197 | fprintf (stderr, "%s not a m32c program\n", argv[optind]); | |
198 | exit (1); | |
199 | } | |
200 | ||
201 | save_trace = trace; | |
202 | trace = 0; | |
203 | m32c_load (prog); | |
204 | trace = save_trace; | |
205 | ||
340cf1cf | 206 | #ifdef HAVE_networking |
3877a145 DD |
207 | if (console_port_s) |
208 | setup_tcp_console (console_port_s); | |
340cf1cf | 209 | #endif |
3877a145 DD |
210 | |
211 | sim_disasm_init (prog); | |
d45a4bef JB |
212 | |
213 | while (1) | |
214 | { | |
215 | int rc; | |
216 | ||
217 | if (trace) | |
218 | printf ("\n"); | |
219 | ||
3877a145 | 220 | if (m32c_disassemble) |
d45a4bef JB |
221 | sim_disasm_one (); |
222 | ||
223 | enable_counting = verbose; | |
224 | cycles++; | |
225 | rc = decode_opcode (); | |
226 | enable_counting = 0; | |
227 | ||
228 | if (M32C_HIT_BREAK (rc)) | |
229 | done (1); | |
230 | else if (M32C_EXITED (rc)) | |
231 | done (M32C_EXIT_STATUS (rc)); | |
232 | else | |
233 | assert (M32C_STEPPED (rc)); | |
234 | ||
235 | trace_register_changes (); | |
3877a145 DD |
236 | |
237 | #ifdef TIMER_A | |
238 | update_timer_a (); | |
239 | #endif | |
d45a4bef JB |
240 | } |
241 | } |