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
56clean-files := *.dtb
57
58install:
59	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
60