diff options
Diffstat (limited to 's51/s51-main.c')
| -rw-r--r-- | s51/s51-main.c | 143 | 
1 files changed, 143 insertions, 0 deletions
diff --git a/s51/s51-main.c b/s51/s51-main.c new file mode 100644 index 00000000..e8bf2d7d --- /dev/null +++ b/s51/s51-main.c @@ -0,0 +1,143 @@ +/* + * 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> + +static int s51_port = 0; +static char *cpu = "8051"; +static double freq = 11059200; +char *s51_prompt = "> "; +struct ccdbg *s51_dbg; + +static void +usage(void) +{ +	fprintf(stderr, "You're doing it wrong.\n"); +	exit(1); +} + +int +main(int argc, char **argv) +{ +	int flags, opt; +	FILE *console_in = stdin; +	FILE *console_out = stdout; +	char *endptr; + +	while ((opt = getopt(argc, argv, "PVvHht:X:c: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 '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; +		} +	} +	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); +		} +		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 = setsockopt(l, SOL_SOCKET, SO_REUSEADDR, &one, sizeof (int)); +		if (r) { +			perror("setsockopt"); +			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); +			FILE *client; +			 +			s = accept(r, (struct sockaddr *) +				   &client_addr, &client_len); +			if (s < 0) { +				perror("accept"); +				exit(1); +			} +			client = fdopen(s, "rw"); +			if (!client) { +				perror("fdopen"); +				exit(1); +			} +			command_read(client, client); +			fclose(client); +		} +	} else +		command_read(console_in, console_out); +	exit(0); +}  | 
