xref: /openbmc/linux/arch/microblaze/boot/Makefile (revision 710fc04d) 
1#
2# arch/microblaze/boot/Makefile
3#
4
5MKIMAGE := $(srctree)/scripts/mkuboot.sh
6
7obj-y += linked_dtb.o
8
9targets := linux.bin linux.bin.gz simpleImage.%
10
11OBJCOPYFLAGS := -O binary
12
13# Ensure system.dtb exists
14$(obj)/linked_dtb.o: $(obj)/system.dtb
15
16# Generate system.dtb from $(DTB).dtb
17ifneq ($(DTB),system)
18$(obj)/system.dtb: $(obj)/$(DTB).dtb
19	$(call if_changed,cp)
20endif
21
22$(obj)/linux.bin: vmlinux FORCE
23	$(call if_changed,objcopy)
24	$(call if_changed,uimage)
25	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
26
27$(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
28	$(call if_changed,gzip)
29	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
30
31quiet_cmd_cp = CP      $< $@$2
32	cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
33
34quiet_cmd_strip = STRIP   $@
35	cmd_strip = $(STRIP) -K microblaze_start -K _end -K __log_buf \
36				-K _fdt_start vmlinux -o $@
37
38quiet_cmd_uimage = UIMAGE  $@.ub
39	cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A microblaze -O linux -T kernel \
40		-C none -n 'Linux-$(KERNELRELEASE)' \
41		-a $(CONFIG_KERNEL_BASE_ADDR) -e $(CONFIG_KERNEL_BASE_ADDR) \
42		-d $@ $@.ub
43
44$(obj)/simpleImage.%: vmlinux FORCE
45	$(call if_changed,cp,.unstrip)
46	$(call if_changed,objcopy)
47	$(call if_changed,uimage)
48	$(call if_changed,strip)
49	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
50
51
52# Rule to build device tree blobs
53DTC_FLAGS := -p 1024
54
55$(obj)/%.dtb: $(src)/dts/%.dts FORCE
56	$(call cmd,dtc)
57
58clean-files += *.dtb simpleImage.*.unstrip linux.bin.ub
59