--- a/rvinterf/etmsync/fileio.c	Fri Feb 28 05:50:01 2014 +0000
+++ b/rvinterf/etmsync/fileio.c	Fri Feb 28 06:16:02 2014 +0000
@@ -110,3 +110,49 @@
 	}
 	return(0);
 }
+
+do_file_read(pathname, databuf, rdsize, rdret)
+	char *pathname;
+	u_char *databuf;
+	int rdsize, *rdret;
+{
+	u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
+	int rc, slen, sz;
+
+	slen = strlen(pathname);
+	if (slen >= TMFFS_STRING_SIZE) {
+		printf("error: pathname arg exceeds string length limit\n");
+		return(ERROR_USAGE);
+	}
+	if (rdsize > MAX_READ_DATA) {
+		fprintf(stderr,
+	"BUG: attempt to read more than possible per TMFFS2 protocol\n");
+		exit(ERROR_BUG);
+	}
+	dp = cmdpkt + 1;
+	*dp++ = ETM_FFS2;
+	*dp++ = TMFFS_FILE_READ;
+	*dp++ = slen + 1;
+	strcpy(dp, pathname);
+	dp += slen + 1;
+	*dp++ = rdsize;
+	rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
+	if (rc)
+		return(rc);
+	if (rvi_msg[3]) {
+		printf("read file: FFS error %d\n", rvi_msg[3]);
+		return(ERROR_TARGET);
+	}
+	if (rvi_msg_len < 6) {
+		*rdret = 0;
+		return(0);
+	}
+	sz = rvi_msg[4];
+	if (rvi_msg_len != sz + 6 || sz > rdsize) {
+		printf("error: read file response has wrong length\n");
+		return(ERROR_TARGET);
+	}
+	bcopy(rvi_msg + 5, databuf, sz);
+	*rdret = sz;
+	return(0);
+}