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d45a4bef JB |
1 | /* main.c --- main function for stand-alone M32C simulator. |
2 | ||
1d506c26 | 3 | Copyright (C) 2005-2024 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 | 20 | |
6df01ab8 MF |
21 | /* This must come before any other includes. */ |
22 | #include "defs.h" | |
d45a4bef JB |
23 | |
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> |
dd6c5a92 | 32 | #include <getopt.h> |
340cf1cf DD |
33 | |
34 | #ifdef HAVE_SYS_SOCKET_H | |
35 | #ifdef HAVE_NETINET_IN_H | |
36 | #ifdef HAVE_NETINET_TCP_H | |
37 | #define HAVE_networking | |
38 | #endif | |
39 | #endif | |
40 | #endif | |
41 | ||
42 | #ifdef HAVE_networking | |
3877a145 DD |
43 | #include <sys/socket.h> |
44 | #include <netinet/in.h> | |
45 | #include <netinet/tcp.h> | |
340cf1cf | 46 | #endif |
3877a145 DD |
47 | |
48 | ||
d45a4bef JB |
49 | #include "bfd.h" |
50 | ||
51 | #include "cpu.h" | |
52 | #include "mem.h" | |
53 | #include "misc.h" | |
54 | #include "load.h" | |
55 | #include "trace.h" | |
3877a145 DD |
56 | #ifdef TIMER_A |
57 | #include "int.h" | |
58 | #include "timer_a.h" | |
59 | #endif | |
d45a4bef | 60 | |
340cf1cf | 61 | #ifdef HAVE_networking |
3877a145 DD |
62 | extern int m32c_console_ofd; |
63 | extern int m32c_console_ifd; | |
340cf1cf | 64 | #endif |
3877a145 DD |
65 | |
66 | int m32c_disassemble = 0; | |
d45a4bef JB |
67 | static unsigned int cycles = 0; |
68 | ||
69 | static void | |
70 | done (int exit_code) | |
71 | { | |
72 | if (verbose) | |
73 | { | |
74 | stack_heap_stats (); | |
75 | mem_usage_stats (); | |
76 | printf ("insns: %14s\n", comma (cycles)); | |
77 | } | |
78 | exit (exit_code); | |
79 | } | |
80 | ||
340cf1cf | 81 | #ifdef HAVE_networking |
3877a145 DD |
82 | static void |
83 | setup_tcp_console (char *portname) | |
84 | { | |
85 | int port = atoi (portname); | |
86 | struct sockaddr_in address; | |
87 | int isocket; | |
88 | socklen_t as; | |
89 | unsigned char *a; | |
90 | ||
91 | if (port < 1024) | |
92 | { | |
93 | printf ("invalid port number %d\n", port); | |
94 | exit (1); | |
95 | } | |
96 | printf ("waiting for tcp console on port %d\n", port); | |
97 | ||
98 | memset (&address, 0, sizeof (address)); | |
99 | address.sin_family = AF_INET; | |
100 | address.sin_port = htons (port); | |
101 | ||
102 | isocket = socket (AF_INET, SOCK_STREAM, 0); | |
363a6e9f | 103 | if (isocket == -1) |
3877a145 DD |
104 | { |
105 | perror ("socket"); | |
106 | exit (1); | |
107 | } | |
108 | ||
109 | if (bind (isocket, (struct sockaddr *) &address, sizeof (address))) | |
110 | { | |
111 | perror ("bind"); | |
112 | exit (1); | |
113 | } | |
114 | listen (isocket, 2); | |
115 | ||
116 | printf ("waiting for connection...\n"); | |
117 | as = sizeof (address); | |
118 | m32c_console_ifd = accept (isocket, (struct sockaddr *) &address, &as); | |
119 | if (m32c_console_ifd == -1) | |
120 | { | |
121 | perror ("accept"); | |
122 | exit (1); | |
123 | } | |
124 | a = (unsigned char *) (&address.sin_addr.s_addr); | |
125 | printf ("connection from %d.%d.%d.%d\n", a[0], a[1], a[2], a[3]); | |
126 | m32c_console_ofd = m32c_console_ifd; | |
127 | } | |
340cf1cf | 128 | #endif |
3877a145 | 129 | |
d45a4bef JB |
130 | int |
131 | main (int argc, char **argv) | |
132 | { | |
133 | int o; | |
134 | int save_trace; | |
135 | bfd *prog; | |
340cf1cf | 136 | #ifdef HAVE_networking |
3877a145 | 137 | char *console_port_s = 0; |
340cf1cf | 138 | #endif |
dd6c5a92 | 139 | static const struct option longopts[] = { { 0 } }; |
3877a145 DD |
140 | |
141 | setbuf (stdout, 0); | |
142 | ||
143 | in_gdb = 0; | |
d45a4bef | 144 | |
dd6c5a92 TO |
145 | while ((o = getopt_long (argc, argv, "tc:vdm:C", longopts, NULL)) |
146 | != -1) | |
d45a4bef JB |
147 | switch (o) |
148 | { | |
149 | case 't': | |
150 | trace++; | |
151 | break; | |
3877a145 | 152 | case 'c': |
340cf1cf | 153 | #ifdef HAVE_networking |
3877a145 | 154 | console_port_s = optarg; |
340cf1cf DD |
155 | #else |
156 | fprintf (stderr, "Nework console not available in this build.\n"); | |
157 | #endif | |
3877a145 | 158 | break; |
e7ddc197 | 159 | case 'C': |
340cf1cf | 160 | #ifdef HAVE_TERMIOS_H |
e7ddc197 | 161 | m32c_use_raw_console = 1; |
340cf1cf DD |
162 | #else |
163 | fprintf (stderr, "Raw console not available in this build.\n"); | |
164 | #endif | |
e7ddc197 | 165 | break; |
d45a4bef JB |
166 | case 'v': |
167 | verbose++; | |
168 | break; | |
169 | case 'd': | |
3877a145 | 170 | m32c_disassemble++; |
d45a4bef JB |
171 | break; |
172 | case 'm': | |
173 | if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0) | |
174 | default_machine = bfd_mach_m16c; | |
175 | else if (strcmp (optarg, "m32cm") == 0 | |
176 | || strcmp (optarg, "m32c") == 0) | |
177 | default_machine = bfd_mach_m32c; | |
178 | else | |
179 | { | |
180 | fprintf (stderr, "Invalid machine: %s\n", optarg); | |
181 | exit (1); | |
182 | } | |
183 | break; | |
184 | case '?': | |
185 | fprintf (stderr, | |
e7ddc197 | 186 | "usage: run [-v] [-C] [-c port] [-t] [-d] [-m r8c|m16c|m32cm|m32c]" |
3877a145 | 187 | " program\n"); |
d45a4bef JB |
188 | exit (1); |
189 | } | |
190 | ||
191 | prog = bfd_openr (argv[optind], 0); | |
192 | if (!prog) | |
193 | { | |
194 | fprintf (stderr, "Can't read %s\n", argv[optind]); | |
195 | exit (1); | |
196 | } | |
197 | ||
198 | if (!bfd_check_format (prog, bfd_object)) | |
199 | { | |
200 | fprintf (stderr, "%s not a m32c program\n", argv[optind]); | |
201 | exit (1); | |
202 | } | |
203 | ||
204 | save_trace = trace; | |
205 | trace = 0; | |
206 | m32c_load (prog); | |
207 | trace = save_trace; | |
208 | ||
340cf1cf | 209 | #ifdef HAVE_networking |
3877a145 DD |
210 | if (console_port_s) |
211 | setup_tcp_console (console_port_s); | |
340cf1cf | 212 | #endif |
3877a145 DD |
213 | |
214 | sim_disasm_init (prog); | |
d45a4bef JB |
215 | |
216 | while (1) | |
217 | { | |
218 | int rc; | |
219 | ||
220 | if (trace) | |
221 | printf ("\n"); | |
222 | ||
3877a145 | 223 | if (m32c_disassemble) |
d45a4bef JB |
224 | sim_disasm_one (); |
225 | ||
226 | enable_counting = verbose; | |
227 | cycles++; | |
228 | rc = decode_opcode (); | |
229 | enable_counting = 0; | |
230 | ||
231 | if (M32C_HIT_BREAK (rc)) | |
232 | done (1); | |
233 | else if (M32C_EXITED (rc)) | |
234 | done (M32C_EXIT_STATUS (rc)); | |
235 | else | |
236 | assert (M32C_STEPPED (rc)); | |
237 | ||
238 | trace_register_changes (); | |
3877a145 DD |
239 | |
240 | #ifdef TIMER_A | |
241 | update_timer_a (); | |
242 | #endif | |
d45a4bef JB |
243 | } |
244 | } |