+++ /dev/null
-/*
- * Copyright © 2008 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "s51.h"
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <signal.h>
-#include <stdarg.h>
-#include <poll.h>
-
-static int s51_port = 0;
-static char *cpu = "8051";
-static double freq = 11059200;
-char *s51_prompt = "> ";
-struct ccdbg *s51_dbg;
-int s51_interrupted = 0;
-int s51_monitor = 0;
-
-static FILE *s51_input;
-static FILE *s51_output;
-
-static void
-usage(void)
-{
- fprintf(stderr, "You're doing it wrong.\n");
- exit(1);
-}
-
-void s51_sigint()
-{
- s51_interrupted = 1;
-}
-
-int
-main(int argc, char **argv)
-{
- int flags, opt;
- char *endptr;
- struct sigvec vec, ovec;
-
- while ((opt = getopt(argc, argv, "PVvHhmt:X:c:r:Z:s:S:p:")) != -1) {
- switch (opt) {
- case 't':
- cpu = optarg;
- break;
- case 'X':
- freq = strtod(optarg, &endptr);
- if (endptr == optarg)
- usage();
- if (endptr[0] != '\0') {
- if (!strcmp(endptr, "k"))
- freq *= 1000;
- else if (!strcmp(endptr, "M") )
- freq *= 1000000;
- else
- usage ();
- }
- break;
- case 'c':
- break;
- case 'r':
- case 'Z':
- s51_port = strtol(optarg, &endptr, 0);
- if (endptr == optarg || strlen(endptr) != 0)
- usage();
- break;
- case 's':
- break;
- case 'S':
- break;
- case 'p':
- s51_prompt = optarg;
- break;
- case 'P':
- s51_prompt = NULL;
- break;
- case 'V':
- break;
- case 'v':
- break;
- case 'H':
- exit (0);
- break;
- case 'h':
- usage ();
- break;
- case 'm':
- s51_monitor = 1;
- break;
- }
- }
- if (s51_port) {
- int l, r, one = 1;
- int s;
- struct sockaddr_in in;
-
- l = socket(AF_INET, SOCK_STREAM, 0);
- if (l < 0) {
- perror ("socket");
- exit(1);
- }
- r = setsockopt(l, SOL_SOCKET, SO_REUSEADDR, &one, sizeof (int));
- if (r) {
- perror("setsockopt");
- exit(1);
- }
- in.sin_family = AF_INET;
- in.sin_port = htons(s51_port);
- in.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- r = bind(l, (struct sockaddr *) &in, sizeof (in));
- if (r) {
- perror("bind");
- exit(1);
- }
- r = listen(l, 5);
- if (r) {
- perror("listen");
- exit(1);
- }
- for (;;) {
- struct sockaddr_in client_addr;
- socklen_t client_len = sizeof (struct sockaddr_in);
-
- s = accept(l, (struct sockaddr *)
- &client_addr, &client_len);
- if (s < 0) {
- perror("accept");
- exit(1);
- }
- s51_input = fdopen(s, "r");
- s51_output = fdopen(s, "w");
- if (!s51_input || !s51_output) {
- perror("fdopen");
- exit(1);
- }
- vec.sv_handler = SIG_IGN;
- vec.sv_mask = 0;
- vec.sv_flags = 0;
- sigvec(SIGINT, &vec, &ovec);
- command_read();
- sigvec(SIGINT, &ovec, NULL);
- fclose(s51_input);
- fclose(s51_output);
- }
- } else {
- s51_input = stdin;
- s51_output = stdout;
- vec.sv_handler = s51_sigint;
- vec.sv_mask = 0;
- vec.sv_flags = 0;
- sigvec(SIGINT, &vec, &ovec);
- command_read();
- }
- exit(0);
-}
-
-void
-s51_printf(char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- vfprintf(s51_output, format, ap);
- if (s51_monitor)
- vfprintf(stdout, format, ap);
- va_end(ap);
-}
-
-void
-s51_putc(int c)
-{
- putc(c, s51_output);
-}
-
-#include <readline/readline.h>
-#include <readline/history.h>
-
-int
-s51_read_line(char *line, int len)
-{
- int ret;
- if (s51_output == stdout && s51_input == stdin && s51_prompt) {
- char *r;
-
- r = readline(s51_prompt);
- if (r == NULL)
- return 0;
- strncpy (line, r, len);
- line[len-1] = '\0';
- add_history(r);
- return 1;
- } else {
- if (s51_prompt)
- s51_printf("%s", s51_prompt);
- else
- s51_putc('\0');
- fflush(s51_output);
- ret = fgets(line, len, s51_input) != NULL;
- if (s51_monitor)
- printf("> %s", line);
- fflush(stdout);
- }
- return ret;
-}
-
-int
-s51_check_input(void)
-{
- struct pollfd input;
- int r;
- int c;
-
- input.fd = fileno(s51_input);
- input.events = POLLIN;
- r = poll(&input, 1, 0);
- if (r > 0) {
- char line[256];
- (void) s51_read_line(line, sizeof (line));
- return 1;
- }
- return 0;
-}
projects / fw / altos / blobdiff