arch/h8300/boot/compressed/Makefile

   1 #
   2 # linux/arch/sh/boot/compressed/Makefile
   3 #
   4 # create a compressed vmlinux image from the original vmlinux
   5 #
   6
   7 targets         := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
   8
   9 OBJECTS = $(obj)/head.o $(obj)/misc.o
  10
  11 #
  12 # IMAGE_OFFSET is the load offset of the compression loader
  13 # Assign dummy values if these 2 variables are not defined,
  14 # in order to suppress error message.
  15 #
  16 CONFIG_MEMORY_START     ?= 0x00400000
  17 CONFIG_BOOT_LINK_OFFSET ?= 0x00280000
  18 IMAGE_OFFSET := $(shell printf "0x%08x" $$(($(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET))))
  19
  20 LIBGCC := $(shell $(CROSS-COMPILE)$(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  21 LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup -T $(obj)/vmlinux.lds \
  22         --defsym output=$(CONFIG_MEMORY_START)
  23
  24 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
  25         $(call if_changed,ld)
  26         @:
  27
  28 $(obj)/vmlinux.bin: vmlinux FORCE
  29         $(call if_changed,objcopy)
  30
  31 suffix-$(CONFIG_KERNEL_GZIP)    := gzip
  32 suffix-$(CONFIG_KERNEL_LZO)     := lzo
  33
  34 $(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE
  35         $(call if_changed,$(suffix-y))
  36
  37 LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T
  38 OBJCOPYFLAGS := -O binary
  39
  40 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  41         $(call if_changed,ld)
  42
  43 CFLAGS_misc.o = -O0