Makefile.boot
__ZRELADDR := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_MEMORY_START) + 0x8000]')
zreladdr-y += $(__ZRELADDR)
# Unsupported legacy stuff
#
#params_phys-y (Instead: Pass atags pointer in r2)
#initrd_phys-y (Instead: Use compiled-in initramfs)