040000 tree acdd213ec45e398c228e635ba6b9141e1215964b	aarch32
040000 tree 638fdac123953cd2e6bc95866970f2a5caa3092c	aarch64
100644 blob 8d4984fbf87c4c30179d7d9067296df819d9bb3c	bl2u.ld.S
100644 blob b4d763433963edc90508aec0499c93f52621db77	bl2u.mk
100644 blob d3c83ccc568c4a22cd99814b6c769d32927f714d	bl2u_main.c