diff --git a/common/bl_common.c b/common/bl_common.c
index 9afae95..da027b6 100644
--- a/common/bl_common.c
+++ b/common/bl_common.c
@@ -251,6 +251,50 @@
 #endif
 }
 
+/* Generic function to return the size of an image */
+unsigned long image_size(const char *image_name)
+{
+	io_dev_handle dev_handle;
+	io_handle image_handle;
+	void *image_spec;
+	size_t image_size = 0;
+	int io_result = IO_FAIL;
+
+	assert(image_name != NULL);
+
+	/* Obtain a reference to the image by querying the platform layer */
+	io_result = plat_get_image_source(image_name, &dev_handle, &image_spec);
+	if (io_result != IO_SUCCESS) {
+		WARN("Failed to obtain reference to image '%s' (%i)\n",
+			image_name, io_result);
+		return 0;
+	}
+
+	/* Attempt to access the image */
+	io_result = io_open(dev_handle, image_spec, &image_handle);
+	if (io_result != IO_SUCCESS) {
+		WARN("Failed to access image '%s' (%i)\n",
+			image_name, io_result);
+		return 0;
+	}
+
+	/* Find the size of the image */
+	io_result = io_size(image_handle, &image_size);
+	if ((io_result != IO_SUCCESS) || (image_size == 0)) {
+		WARN("Failed to determine the size of the image '%s' file (%i)\n",
+			image_name, io_result);
+	}
+	io_result = io_close(image_handle);
+	/* Ignore improbable/unrecoverable error in 'close' */
+
+	/* TODO: Consider maintaining open device connection from this
+	 * bootloader stage
+	 */
+	io_result = io_dev_close(dev_handle);
+	/* Ignore improbable/unrecoverable error in 'dev_close' */
+
+	return image_size;
+}
 /*******************************************************************************
  * Generic function to load an image into the trusted RAM,
  * given a name, extents of free memory & whether the image should be loaded at
diff --git a/include/bl_common.h b/include/bl_common.h
index 8139282..ba6dc11 100644
--- a/include/bl_common.h
+++ b/include/bl_common.h
@@ -133,6 +133,7 @@
 extern void init_bl31_mem_layout(const meminfo *,
 				 meminfo *,
 				 unsigned int) __attribute__((weak));
+extern unsigned long image_size(const char *);
 extern unsigned long load_image(meminfo *, const char *, unsigned int, unsigned long);
 extern void __dead2 run_image(unsigned long entrypoint,
 			      unsigned long spsr,