diff --git a/README b/README
index fefa71c0a6..a11e74aff1 100644
--- a/README
+++ b/README
@@ -5899,9 +5899,10 @@ option performs the converse operation of the mkimage's second form (the "-d"
 option). Given an image built by mkimage, the dumpimage extracts a "data file"
 from the image:
 
-	tools/dumpimage -i image -p position data_file
-	  -i ==> extract from the 'image' a specific 'data_file', \
-	   indexed by 'position'
+	tools/dumpimage -i image -T type -p position data_file
+	  -i ==> extract from the 'image' a specific 'data_file'
+	  -T ==> set image type to 'type'
+	  -p ==> 'position' (starting at 0) of the 'data_file' inside the 'image'
 
 
 Installing a Linux Image:
diff --git a/test/image/test-imagetools.sh b/test/image/test-imagetools.sh
index 9e299e1e57..8aaaade5a0 100755
--- a/test/image/test-imagetools.sh
+++ b/test/image/test-imagetools.sh
@@ -13,9 +13,9 @@
 # ./test/image/test-imagetools.sh
 
 BASEDIR=sandbox
-SRCDIR=sandbox/boot
+SRCDIR=${BASEDIR}/boot
 IMAGE_NAME="v1.0-test"
-IMAGE=linux.img
+IMAGE_MULTI=linux.img
 DATAFILE0=vmlinuz
 DATAFILE1=initrd.img
 DATAFILE2=System.map
@@ -34,14 +34,14 @@ cleanup()
 	for file in ${DATAFILES}; do
 		rm -f ${file} ${SRCDIR}/${file}
 	done
-	rm -f ${IMAGE} ${DUMPIMAGE_LIST} ${MKIMAGE_LIST} ${TEST_OUT}
+	rm -f ${IMAGE_MULTI} ${DUMPIMAGE_LIST} ${MKIMAGE_LIST} ${TEST_OUT}
 	rmdir ${SRCDIR}
 }
 
 # Check that two files are the same
 assert_equal()
 {
-	if ! diff $1 $2; then
+	if ! diff -u $1 $2; then
 		echo "Failed."
 		cleanup
 		exit 1
@@ -82,35 +82,39 @@ do_cmd_redir()
 	${cmd} >${redir}
 }
 
-# Write files into an image
-create_image()
+# Write files into an multi-file image
+create_multi_image()
 {
 	local files="${SRCDIR}/${DATAFILE0}:${SRCDIR}/${DATAFILE1}"
 	files+=":${SRCDIR}/${DATAFILE2}"
 
-	echo -e "\nBuilding image..."
+	echo -e "\nBuilding multi-file image..."
 	do_cmd ${MKIMAGE} -A x86 -O linux -T multi -n \"${IMAGE_NAME}\" \
-		-d ${files} ${IMAGE}
+		-d ${files} ${IMAGE_MULTI}
 	echo "done."
 }
 
-# Extract files from an image
-extract_image()
+# Extract files from an multi-file image
+extract_multi_image()
 {
-	echo -e "\nExtracting image contents..."
-	do_cmd ${DUMPIMAGE} -i ${IMAGE} -p 0 ${DATAFILE0}
-	do_cmd ${DUMPIMAGE} -i ${IMAGE} -p 1 ${DATAFILE1}
-	do_cmd ${DUMPIMAGE} -i ${IMAGE} -p 2 ${DATAFILE2}
-	do_cmd ${DUMPIMAGE} -i ${IMAGE} -p 2 ${DATAFILE2} -o ${TEST_OUT}
+	echo -e "\nExtracting multi-file image contents..."
+	do_cmd ${DUMPIMAGE} -T multi -i ${IMAGE_MULTI} -p 0 ${DATAFILE0}
+	do_cmd ${DUMPIMAGE} -T multi -i ${IMAGE_MULTI} -p 1 ${DATAFILE1}
+	do_cmd ${DUMPIMAGE} -T multi -i ${IMAGE_MULTI} -p 2 ${DATAFILE2}
+	do_cmd ${DUMPIMAGE} -T multi -i ${IMAGE_MULTI} -p 2 ${DATAFILE2} -o ${TEST_OUT}
 	echo "done."
 }
 
 # List the contents of a file
+# Args:
+#    image filename
 list_image()
 {
+	local image="$1"
+
 	echo -e "\nListing image contents..."
-	do_cmd_redir ${MKIMAGE_LIST} ${MKIMAGE} -l ${IMAGE}
-	do_cmd_redir ${DUMPIMAGE_LIST} ${DUMPIMAGE} -l ${IMAGE}
+	do_cmd_redir ${MKIMAGE_LIST} ${MKIMAGE} -l ${image}
+	do_cmd_redir ${DUMPIMAGE_LIST} ${DUMPIMAGE} -l ${image}
 	echo "done."
 }
 
@@ -120,16 +124,16 @@ main()
 
 	create_files
 
-	# Compress and extract multifile images, compare the result
-	create_image
-	extract_image
+	# Compress and extract multi-file images, compare the result
+	create_multi_image
+	extract_multi_image
 	for file in ${DATAFILES}; do
 		assert_equal ${file} ${SRCDIR}/${file}
 	done
 	assert_equal ${TEST_OUT} ${DATAFILE2}
 
-	# List contents and compares output fro tools
-	list_image
+	# List contents of multi-file image and compares output from tools
+	list_image ${IMAGE_MULTI}
 	assert_equal ${DUMPIMAGE_LIST} ${MKIMAGE_LIST}
 
 	# Remove files created
diff --git a/tools/dumpimage.c b/tools/dumpimage.c
index 80bf583b39..8f1527a9e7 100644
--- a/tools/dumpimage.c
+++ b/tools/dumpimage.c
@@ -12,9 +12,6 @@
 
 static void usage(void);
 
-/* image_type_params linked list to maintain registered image types supports */
-static struct image_type_params *dumpimage_tparams;
-
 /* parameters initialized by core will be used by the image type code */
 static struct image_tool_params params = {
 	.type = IH_TYPE_KERNEL,
@@ -31,33 +28,27 @@ static struct image_tool_params params = {
  * returns negative if input image format does not match with any of
  * supported image types
  */
-static int dumpimage_extract_datafile(void *ptr, struct stat *sbuf)
+static int dumpimage_extract_datafile(struct image_type_params *tparams,
+		void *ptr, struct stat *sbuf)
 {
 	int retval = -1;
-	struct image_type_params *curr;
-	struct image_type_params *start = ll_entry_start(
-			struct image_type_params, image_type);
-	struct image_type_params *end = ll_entry_end(
-			struct image_type_params, image_type);
 
-	for (curr = start; curr != end; curr++) {
-		if (curr->verify_header) {
-			retval = curr->verify_header((unsigned char *)ptr,
-						     sbuf->st_size, &params);
-			if (retval != 0)
-				continue;
-			/*
-			 * Extract the file from the image
-			 * if verify is successful
-			 */
-			if (curr->extract_datafile) {
-				curr->extract_datafile(ptr, &params);
-			} else {
-				fprintf(stderr,
-					"%s: extract_datafile undefined for %s\n",
-					params.cmdname, curr->name);
-			break;
-			}
+	if (tparams->verify_header) {
+		retval = tparams->verify_header((unsigned char *)ptr,
+				sbuf->st_size, &params);
+		if (retval != 0)
+			return -1;
+		/*
+		 * Extract the file from the image
+		 * if verify is successful
+		 */
+		if (tparams->extract_datafile) {
+			retval = tparams->extract_datafile(ptr, &params);
+		} else {
+			fprintf(stderr,
+				"%s: extract_datafile undefined for %s\n",
+				params.cmdname, tparams->name);
+			return -2;
 		}
 	}
 
@@ -75,7 +66,7 @@ int main(int argc, char **argv)
 
 	params.cmdname = *argv;
 
-	while ((opt = getopt(argc, argv, "li:o:p:V")) != -1) {
+	while ((opt = getopt(argc, argv, "li:o:T:p:V")) != -1) {
 		switch (opt) {
 		case 'l':
 			params.lflag = 1;
@@ -87,6 +78,12 @@ int main(int argc, char **argv)
 		case 'o':
 			params.outfile = optarg;
 			break;
+		case 'T':
+			params.type = genimg_get_type_id(optarg);
+			if (params.type < 0) {
+				usage();
+			}
+			break;
 		case 'p':
 			params.pflag = strtoul(optarg, &ptr, 10);
 			if (*ptr) {
@@ -101,6 +98,7 @@ int main(int argc, char **argv)
 			exit(EXIT_SUCCESS);
 		default:
 			usage();
+			break;
 		}
 	}
 
@@ -110,7 +108,7 @@ int main(int argc, char **argv)
 	/* set tparams as per input type_id */
 	tparams = imagetool_get_type(params.type);
 	if (tparams == NULL) {
-		fprintf(stderr, "%s: unsupported type %s\n",
+		fprintf(stderr, "%s: unsupported type: %s\n",
 			params.cmdname, genimg_get_type_name(params.type));
 		exit(EXIT_FAILURE);
 	}
@@ -147,7 +145,7 @@ int main(int argc, char **argv)
 			exit(EXIT_FAILURE);
 		}
 
-		if ((unsigned)sbuf.st_size < tparams->header_size) {
+		if ((uint32_t)sbuf.st_size < tparams->header_size) {
 			fprintf(stderr,
 				"%s: Bad size: \"%s\" is not valid image\n",
 				params.cmdname, params.imagefile);
@@ -172,7 +170,8 @@ int main(int argc, char **argv)
 			 * Extract the data files from within the matched
 			 * image type. Returns the error code if not matched
 			 */
-			retval = dumpimage_extract_datafile(ptr, &sbuf);
+			retval = dumpimage_extract_datafile(tparams, ptr,
+					&sbuf);
 		} else {
 			/*
 			 * Print the image information for matched image type
@@ -199,9 +198,10 @@ static void usage(void)
 		"          -l ==> list image header information\n",
 		params.cmdname);
 	fprintf(stderr,
-		"       %s -i image [-p position] [-o outfile] data_file\n"
-		"          -i ==> extract from the 'image' a specific 'data_file'"
-		", indexed by 'position' (starting at 0)\n",
+		"       %s -i image -T type [-p position] [-o outfile] data_file\n"
+		"          -i ==> extract from the 'image' a specific 'data_file'\n"
+		"          -T ==> set image type to 'type'\n"
+		"          -p ==> 'position' (starting at 0) of the 'data_file' inside the 'image'\n",
 		params.cmdname);
 	fprintf(stderr,
 		"       %s -V ==> print version information and exit\n",
diff --git a/tools/gpimage-common.c b/tools/gpimage-common.c
index b343a3aa8b..5ad52be437 100644
--- a/tools/gpimage-common.c
+++ b/tools/gpimage-common.c
@@ -32,7 +32,8 @@ void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
 
 int gph_verify_header(struct gp_header *gph, int be)
 {
-	uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
+	uint32_t gph_size = gph->size;
+	uint32_t gph_load_addr = gph->load_addr;
 
 	if (be)
 		to_be32(&gph_size, &gph_load_addr);
diff --git a/tools/mkimage.c b/tools/mkimage.c
index f668487c89..5ccd951048 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -15,9 +15,6 @@
 static void copy_file(int, const char *, int);
 static void usage(void);
 
-/* image_type_params link list to maintain registered image type supports */
-struct image_type_params *mkimage_tparams = NULL;
-
 /* parameters initialized by core will be used by the image type code */
 struct image_tool_params params = {
 	.os = IH_OS_LINUX,