2 # arch/xtensa/boot/Makefile
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
11 # KBUILD_CFLAGS used when building rest of boot (takes effect recursively)
12 KBUILD_CFLAGS += -fno-builtin -Iarch/$(ARCH)/boot/include
13 HOSTFLAGS += -Iarch/$(ARCH)/boot/include
15 BIG_ENDIAN := $(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
22 # Subdirs for the boot loader(s)
24 bootdir-$(CONFIG_XTENSA_PLATFORM_ISS) += boot-elf
25 bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf boot-uboot
28 BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o
29 ifneq ($(CONFIG_BUILTIN_DTB),"")
30 obj-y += $(BUILTIN_DTB)
33 # Rule to build device tree blobs
34 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
35 $(call if_changed_dep,dtc)
37 clean-files := *.dtb.S
39 zImage Image: $(bootdir-y)
41 $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \
42 $(addprefix $(obj)/,$(host-progs))
43 $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
45 OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary
47 vmlinux.bin: vmlinux FORCE
48 $(call if_changed,objcopy)
50 vmlinux.bin.gz: vmlinux.bin FORCE
51 $(call if_changed,gzip)
54 boot-redboot: vmlinux.bin.gz
55 boot-uboot: vmlinux.bin.gz