040000 tree 767b3e9e49875bafc47d3cfc5f41513f2cbf20e7	aarch64
100644 blob 91e8556edebe89dc242fecd0cbd52e785be8f412	bl2u.ld.S
100644 blob ef70bb24a2bc0fb01c1a083c2054fa0086e2494e	bl2u.mk
100644 blob 515ddfb73807fecc17c5bb741143ff0beebbd7f1	bl2u_main.c