arch/sh/boot/compressed/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # linux/arch/sh/boot/compressed/Makefile
   4 #
   5 # create a compressed vmlinux image from the original vmlinux
   6 #
   7
   8 targets         := vmlinux vmlinux.bin vmlinux.bin.gz \
   9                    vmlinux.bin.bz2 vmlinux.bin.lzma \
  10                    vmlinux.bin.xz vmlinux.bin.lzo \
  11                    head_32.o misc.o piggy.o
  12
  13 OBJECTS = $(obj)/head_32.o $(obj)/misc.o $(obj)/cache.o
  14
  15 GCOV_PROFILE := n
  16
  17 #
  18 # IMAGE_OFFSET is the load offset of the compression loader
  19 #
  20 ifeq ($(CONFIG_32BIT),y)
  21 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
  22                      $$[$(CONFIG_MEMORY_START)  + \
  23                         $(CONFIG_BOOT_LINK_OFFSET)]')
  24 else
  25 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
  26                      $$[$(CONFIG_PAGE_OFFSET)  + \
  27                         $(KERNEL_MEMORY) + \
  28                         $(CONFIG_BOOT_LINK_OFFSET)]')
  29 endif
  30
  31 ccflags-remove-$(CONFIG_MCOUNT) += -pg
  32
  33 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
  34                    -T $(obj)/../../kernel/vmlinux.lds
  35
  36 #
  37 # Pull in the necessary libgcc bits from the in-kernel implementation.
  38 #
  39 lib1funcs-y     := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S
  40 lib1funcs-obj   := \
  41         $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
  42
  43 lib1funcs-dir           := $(srctree)/arch/$(SRCARCH)/lib
  44
  45 KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING
  46
  47 $(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
  48         $(call cmd,shipped)
  49
  50 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
  51         $(call if_changed,ld)
  52
  53 $(obj)/vmlinux.bin: vmlinux FORCE
  54         $(call if_changed,objcopy)
  55
  56 vmlinux.bin.all-y := $(obj)/vmlinux.bin
  57
  58 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
  59         $(call if_changed,gzip)
  60 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
  61         $(call if_changed,bzip2)
  62 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
  63         $(call if_changed,lzma)
  64 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
  65         $(call if_changed,xzkern)
  66 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
  67         $(call if_changed,lzo)
  68
  69 OBJCOPYFLAGS += -R .empty_zero_page
  70
  71 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
  72
  73 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  74         $(call if_changed,ld)