arch/m32r/boot/compressed/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # linux/arch/m32r/boot/compressed/Makefile
   4 #
   5 # create a compressed vmlinux image from the original vmlinux
   6 #
   7
   8 targets         := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
   9                    vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds
  10
  11 OBJECTS = $(obj)/head.o $(obj)/misc.o
  12
  13 #
  14 # IMAGE_OFFSET is the load offset of the compression loader
  15 #
  16 #IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x2000])
  17 #IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x00400000])
  18
  19 LDFLAGS_vmlinux := -T
  20
  21 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE
  22         $(call if_changed,ld)
  23
  24 $(obj)/vmlinux.bin: vmlinux FORCE
  25         $(call if_changed,objcopy)
  26
  27 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  28         $(call if_changed,gzip)
  29
  30 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
  31         $(call if_changed,bzip2)
  32
  33 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
  34         $(call if_changed,lzma)
  35
  36 CFLAGS_misc.o += -fpic
  37
  38 ifdef CONFIG_MMU
  39 LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T
  40 else
  41 LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T
  42 endif
  43
  44 OBJCOPYFLAGS += -R .empty_zero_page
  45
  46 suffix-$(CONFIG_KERNEL_GZIP)    = gz
  47 suffix-$(CONFIG_KERNEL_BZIP2)   = bz2
  48 suffix-$(CONFIG_KERNEL_LZMA)    = lzma
  49
  50 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  51         $(call if_changed,ld)