arch/xtensa/boot/Makefile

   1 #
   2 # arch/xtensa/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 #
   9
  10
  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
  14
  15 BIG_ENDIAN      := $(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
  16
  17 export ccflags-y
  18 export BIG_ENDIAN
  19
  20 subdir-y        := lib
  21
  22 # Subdirs for the boot loader(s)
  23
  24 bootdir-$(CONFIG_XTENSA_PLATFORM_ISS)    += boot-elf
  25 bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf boot-uboot
  26 bootdir-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += boot-redboot boot-elf boot-uboot
  27
  28
  29 BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o
  30 ifneq ($(CONFIG_BUILTIN_DTB),"")
  31 obj-$(CONFIG_OF) += $(BUILTIN_DTB)
  32 endif
  33
  34 # Rule to build device tree blobs
  35 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
  36         $(call if_changed_dep,dtc)
  37
  38 clean-files := *.dtb.S
  39
  40 zImage Image: $(bootdir-y)
  41
  42 $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \
  43               $(addprefix $(obj)/,$(host-progs))
  44         $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
  45
  46 OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary
  47
  48 vmlinux.bin: vmlinux FORCE
  49         $(call if_changed,objcopy)
  50
  51 vmlinux.bin.gz: vmlinux.bin FORCE
  52         $(call if_changed,gzip)
  53
  54 boot-elf: vmlinux.bin
  55 boot-redboot: vmlinux.bin.gz
  56 boot-uboot: vmlinux.bin.gz