--- a/loadtools/Makefile	Mon May 01 21:21:13 2017 +0000
+++ b/loadtools/Makefile	Mon May 01 21:54:58 2017 +0000
@@ -10,8 +10,8 @@
 COMPALRAM_OBJS=	compalload.o compalram.o defpath.o sercomm.o ttypassthru.o
 
 IRAM_OBJS=	defexitstub.o defpath.o flashstubs.o hexdecode.o hwparam.o \
-		romload.o sercomm.o sertool.o srecreader.o ttypassthru.o \
-		${EXTRA_OBJ}
+		romload.o secondprog.o sercomm.o sertool.o srecreader.o \
+		ttypassthru.o ${EXTRA_OBJ}
 
 LOADTOOL_OBJS=	crc32tab.o defpath.o flashops.o flcmplboot.o flmain.o flmisc.o \
 		flprogbin.o flprogsrec.o flutil.o hexdecode.o hwparam.o \
@@ -20,8 +20,9 @@
 		srecreader.o tpinterf.o tpinterf2.o tpinterf3.o ${EXTRA_OBJ}
 
 XRAM_OBJS=	chainload.o clmain.o defexitstub.o defpath.o flashstubs.o \
-		hexdecode.o hwparam.o initscript.o labaud.o romload.o sercomm.o\
-		srecreader.o tpinterf.o ttypassthru.o ${EXTRA_OBJ}
+		hexdecode.o hwparam.o initscript.o labaud.o romload.o \
+		secondprog.o sercomm.o srecreader.o tpinterf.o ttypassthru.o \
+		${EXTRA_OBJ}
 
 BUZPLAY_OBJS=	bpdispatch.o bpmain.o buzplay.o defpath.o flashstubs.o \
 		hexdecode.o hwparam.o labaud.o ltexit.o ltpassthru.o romload.o \

--- a/loadtools/clmain.c	Mon May 01 21:21:13 2017 +0000
+++ b/loadtools/clmain.c	Mon May 01 21:54:58 2017 +0000
@@ -116,28 +116,3 @@
 	tty_passthru();
 	exit(0);
 }
-
-exec_2nd_prog()
-{
-	char **execp_argv;
-	char **sp, **dp;
-	extern int target_fd;
-	char desc_arg[16];
-
-	sprintf(desc_arg, "-d%d", target_fd);
-	execp_argv = (char **) malloc(sizeof(char *) * (passon_argc + 2));
-	if (!execp_argv) {
-		perror("malloc argv for execvp");
-		exit(1);
-	}
-	sp = passon_argv;
-	dp = execp_argv;
-	*dp++ = *sp++;
-	*dp++ = desc_arg;
-	while (*sp)
-		*dp++ = *sp++;
-	*dp = NULL;
-	execvp(execp_argv[0], execp_argv);
-	fprintf(stderr, "Unable to execvp %s\n", passon_argv[0]);
-	exit(1);
-}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loadtools/secondprog.c	Mon May 01 21:54:58 2017 +0000
@@ -0,0 +1,36 @@
+/*
+ * This module contains the code for passing the serial channel to a
+ * second program, used by fc-iram and fc-xram.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+extern char **passon_argv;
+extern int passon_argc;
+
+exec_2nd_prog()
+{
+	char **execp_argv;
+	char **sp, **dp;
+	extern int target_fd;
+	char desc_arg[16];
+
+	sprintf(desc_arg, "-d%d", target_fd);
+	execp_argv = (char **) malloc(sizeof(char *) * (passon_argc + 2));
+	if (!execp_argv) {
+		perror("malloc argv for execvp");
+		exit(1);
+	}
+	sp = passon_argv;
+	dp = execp_argv;
+	*dp++ = *sp++;
+	*dp++ = desc_arg;
+	while (*sp)
+		*dp++ = *sp++;
+	*dp = NULL;
+	execvp(execp_argv[0], execp_argv);
+	fprintf(stderr, "Unable to execvp %s\n", passon_argv[0]);
+	exit(1);
+}

--- a/loadtools/sertool.c	Mon May 01 21:21:13 2017 +0000
+++ b/loadtools/sertool.c	Mon May 01 21:54:58 2017 +0000
@@ -16,6 +16,9 @@
 extern struct srecreader iramimage;
 extern int gta_modem_poweron;
 
+char **passon_argv;
+int passon_argc;
+
 main(argc, argv)
 	char **argv;
 {
@@ -52,14 +55,20 @@
 			"usage: fc-iram [options] ttyport iramimage.srec\n");
 			exit(1);
 		}
-	if (argc - optind != 2)
+	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_target_serial();
 	perform_compal_stage(1);
 	perform_romload();
+	if (passon_argv)
+		exec_2nd_prog();
 	tty_passthru();
 	exit(0);
 }