2 * Copyright © 2008 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 #include <sys/types.h>
22 #include <sys/socket.h>
23 #include <netinet/in.h>
29 static int s51_port = 0;
30 static char *cpu = "8051";
31 static double freq = 11059200;
32 char *s51_prompt = "> ";
33 struct ccdbg *s51_dbg;
34 int s51_interrupted = 0;
38 static FILE *s51_input;
39 static FILE *s51_output;
44 fprintf(stderr, "You're doing it wrong.\n");
53 static const struct option options[] = {
54 { .name = "tty", .has_arg = 1, .val = 'T' },
59 main(int argc, char **argv)
63 struct sigvec vec, ovec;
65 while ((opt = getopt_long(argc, argv, "PVvHhmt:X:c:r:Z:s:S:p:T:", options, NULL)) != -1) {
71 freq = strtod(optarg, &endptr);
74 if (endptr[0] != '\0') {
75 if (!strcmp(endptr, "k"))
77 else if (!strcmp(endptr, "M") )
87 s51_port = strtol(optarg, &endptr, 0);
88 if (endptr == optarg || strlen(endptr) != 0)
122 struct sockaddr_in in;
124 l = socket(AF_INET, SOCK_STREAM, 0);
129 r = setsockopt(l, SOL_SOCKET, SO_REUSEADDR, &one, sizeof (int));
131 perror("setsockopt");
134 in.sin_family = AF_INET;
135 in.sin_port = htons(s51_port);
136 in.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
137 r = bind(l, (struct sockaddr *) &in, sizeof (in));
148 struct sockaddr_in client_addr;
149 socklen_t client_len = sizeof (struct sockaddr_in);
151 s = accept(l, (struct sockaddr *)
152 &client_addr, &client_len);
157 s51_input = fdopen(s, "r");
158 s51_output = fdopen(s, "w");
159 if (!s51_input || !s51_output) {
163 vec.sv_handler = SIG_IGN;
166 sigvec(SIGINT, &vec, &ovec);
168 sigvec(SIGINT, &ovec, NULL);
175 vec.sv_handler = s51_sigint;
178 sigvec(SIGINT, &vec, &ovec);
185 s51_printf(char *format, ...)
189 va_start(ap, format);
190 vfprintf(s51_output, format, ap);
192 vfprintf(stdout, format, ap);
202 #include <readline/readline.h>
203 #include <readline/history.h>
206 s51_read_line(char *line, int len)
209 if (s51_output == stdout && s51_input == stdin && s51_prompt) {
212 r = readline(s51_prompt);
215 strncpy (line, r, len);
221 s51_printf("%s", s51_prompt);
225 ret = fgets(line, len, s51_input) != NULL;
227 printf("> %s", line);
234 s51_check_input(void)
240 input.fd = fileno(s51_input);
241 input.events = POLLIN;
242 r = poll(&input, 1, 0);
245 (void) s51_read_line(line, sizeof (line));