Makefile
# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/arm/boot/bootp/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
GCOV_PROFILE := n
LDFLAGS_bootp := --no-undefined -X \
--defsym initrd_phys=$(INITRD_PHYS) \
--defsym params_phys=$(PARAMS_PHYS) -T
AFLAGS_initrd.o :=-DINITRD=\"$(INITRD)\"
targets := bootp init.o kernel.o initrd.o
# Note that bootp.lds picks up kernel.o and initrd.o
$(obj)/bootp: $(src)/bootp.lds $(addprefix $(obj)/,init.o kernel.o initrd.o) FORCE
$(call if_changed,ld)
# kernel.o and initrd.o includes a binary image using
# .incbin, a dependency which is not tracked automatically
$(obj)/kernel.o: arch/arm/boot/zImage FORCE
$(obj)/initrd.o: $(INITRD) FORCE
PHONY += $(INITRD)