040000 tree b323119f8434de649e679da2851760bcb0c3666e	aarch32
040000 tree d3dd422444f5b8cb312fe174ea92f1af9a318aa0	aarch64
100644 blob ee6a0206594dfcd52473c5752697ab2e461bd2b4	bl2u.ld.S
100644 blob 9fe20f50f51e5267526e95bcc1d9589abb6084fc	bl2u.mk
100644 blob fcb73b9c7af9fc84c724f48e84c591d55841d06b	bl2u_main.c