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 __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
  16
  17 export BIG_ENDIAN
  18
  19 subdir-y        := lib
  20 targets         += vmlinux.bin vmlinux.bin.gz
  21 targets         += uImage xipImage
  22
  23 # Subdirs for the boot loader(s)
  24
  25 boot-$(CONFIG_XTENSA_PLATFORM_ISS)    += Image
  26 boot-$(CONFIG_XTENSA_PLATFORM_XT2000) += Image zImage uImage
  27 boot-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += Image zImage uImage
  28
  29 all: $(boot-y)
  30 Image: boot-elf
  31 zImage: boot-redboot
  32 uImage: $(obj)/uImage
  33 xipImage: $(obj)/xipImage
  34
  35 boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y))
  36         $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
  37
  38 OBJCOPYFLAGS = --strip-all -R .comment -R .notes -O binary
  39
  40 $(obj)/vmlinux.bin: vmlinux FORCE
  41         $(call if_changed,objcopy)
  42
  43 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  44         $(call if_changed,gzip)
  45
  46 boot-elf: $(obj)/vmlinux.bin
  47 boot-redboot: $(obj)/vmlinux.bin.gz
  48
  49 UIMAGE_LOADADDR = $(CONFIG_KERNEL_LOAD_ADDRESS)
  50 UIMAGE_COMPRESSION = gzip
  51
  52 $(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
  53         $(call if_changed,uimage)
  54         $(Q)$(kecho) '  Kernel: $@ is ready'
  55
  56 $(obj)/xipImage: vmlinux FORCE
  57         $(call if_changed,objcopy)
  58         $(Q)$(kecho) '  Kernel: $@ is ready'