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