/*
 * This module contains the main() function for fc-iram, previously
 * called fc-sertool: the simplest of the FreeCalypso loading tools,
 * which sends the user-specified IRAM SREC image to the boot ROM
 * and then switches into serial tty pass-through.
 */

#include <sys/types.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "srecreader.h"

char *target_ttydev;

extern struct srecreader iramimage;

char **passon_argv;
int passon_argc;

main(argc, argv)
	char **argv;
{
	extern char *optarg;
	extern int optind;
	int c;

	while ((c = getopt(argc, argv, "b:c:C:h:H:i:P:")) != EOF)
		switch (c) {
		case 'b':
			set_romload_baudrate(optarg);
			continue;
		case 'c':
			set_compalstage_short(optarg);
			continue;
		case 'C':
			set_compalstage_fullpath(optarg);
			continue;
		case 'h':
			read_hwparam_file_shortname(optarg);
			continue;
		case 'H':
			read_hwparam_file_fullpath(optarg);
			continue;
		case 'i':
			set_beacon_interval(optarg);
			continue;
		case 'P':
			if (find_bootctrl_entry(optarg) < 0)
				exit(1);	/* error msg already printed */
			continue;
		case '?':
		default:
usage:			fprintf(stderr,
			"usage: fc-iram [options] ttyport iramimage.srec\n");
			exit(1);
		}
	if (argc - optind < 2)
		goto usage;
	target_ttydev = argv[optind];
	iramimage.filename = argv[optind+1];
	if (argc - optind >= 3) {
		passon_argv = argv + optind + 2;
		passon_argc = argc - optind - 2;
	}

	open_serial_port(target_ttydev);
	pwon_if_needed();
	perform_compal_stage();
	perform_romload();
	if (passon_argv)
		exec_2nd_prog();
	tty_passthru();
	exit(0);
}