1# 2# arch/nios2/boot/Makefile 3# 4# This file is subject to the terms and conditions of the GNU General Public 5# License. See the file "COPYING" in the main directory of this archive 6# for more details. 7# 8 9UIMAGE_LOADADDR = $(shell $(NM) vmlinux | awk '$$NF == "_stext" {print $$1}') 10UIMAGE_ENTRYADDR = $(shell $(NM) vmlinux | awk '$$NF == "_start" {print $$1}') 11UIMAGE_COMPRESSION = gzip 12 13OBJCOPYFLAGS_vmlinux.bin := -O binary 14 15targets += vmlinux.bin vmlinux.gz vmImage 16 17$(obj)/vmlinux.bin: vmlinux FORCE 18 $(call if_changed,objcopy) 19 20$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE 21 $(call if_changed,gzip) 22 23$(obj)/vmImage: $(obj)/vmlinux.gz 24 $(call if_changed,uimage) 25 @$(kecho) 'Kernel: $@ is ready' 26 27$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 28 $(call if_changed,objcopy) 29 @$(kecho) 'Kernel: $@ is ready' 30 31$(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE 32 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 33 34# Rule to build device tree blobs 35DTB_SRC := $(patsubst "%",%,$(CONFIG_NIOS2_DTB_SOURCE)) 36 37# Make sure the generated dtb gets removed during clean 38extra-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += system.dtb 39 40$(obj)/system.dtb: $(DTB_SRC) FORCE 41 $(call cmd,dtc) 42 43# Ensure system.dtb exists 44$(obj)/linked_dtb.o: $(obj)/system.dtb 45 46obj-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += linked_dtb.o 47 48targets += $(dtb-y) 49 50# Rule to build device tree blobs with make command 51$(obj)/%.dtb: $(src)/dts/%.dts FORCE 52 $(call if_changed_dep,dtc) 53 54$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) 55 56install: 57 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)" 58