1 files changed, 60 insertions, 0 deletions
diff --git a/src/include/gpxe/image.h b/src/include/gpxe/image.h
new file mode 100644
index 000000000..cf6b7a88f
--- /dev/null
+++ b/src/include/gpxe/image.h
@@ -0,0 +1,60 @@
+#ifndef _GPXE_IMAGE_H
+#define _GPXE_IMAGE_H
+
+/**
+ * @file
+ *
+ * Executable/loadable image formats
+ *
+ */
+
+#include <gpxe/tables.h>
+
+/** An executable or loadable image */
+struct image {
+	/** Raw file image */
+	userptr_t image;
+	/** Length of raw file image */
+	size_t len;
+
+	/** Execute method
+	 *
+	 * Filled in by the image loader.  If NULL, then the image
+	 * cannot be executed.
+	 */
+	int ( * execute ) ( struct image *image );
+	/** Entry point */
+	physaddr_t entry;
+};
+
+/** An executable or loadable image type */
+struct image_type {
+	/** Name of this image type */
+	char *name;
+	/** Load image into memory
+	 *
+	 * @v image		Executable/loadable image
+	 * @ret rc		Return status code
+	 *
+	 * Load the image into memory.  The file image may be
+	 * discarded after this call; the method must preserve any
+	 * information it may require later (e.g. the execution
+	 * address) within the @c image structure.
+	 */
+	int ( * load ) ( struct image *image );
+};
+
+/** An executable or loadable image type */
+#define __image_type __table ( struct image_type, image_types, 01 )
+
+/**
+ * An unverifiable executable or loadable image type
+ *
+ * This should be used to mark image types for which there are no
+ * signature or other checks that can be used to verify the validity
+ * of the image (such as PXE images).  These will then be tried last
+ * in the list of image types.
+ */
+#define __default_image_type __table ( struct image_type, image_types, 02 )
+
+#endif /* _GPXE_IMAGE_H */