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#
# linux/arch/x86/boot/compressed/Makefile
#
# create a compressed vmlinux image from the original vmlinux
#

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targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o
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KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
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KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
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cflags-$(CONFIG_X86_32) := -march=i386
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cflags-$(CONFIG_X86_64) := -mcmodel=small
KBUILD_CFLAGS += $(cflags-y)
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)

KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
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GCOV_PROFILE := n
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LDFLAGS := -m elf_$(UTS_MACHINE)
LDFLAGS_vmlinux := -T

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hostprogs-y	:= mkpiggy
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HOST_EXTRACFLAGS += -I$(srctree)/tools/include
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VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
	$(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \
	$(obj)/piggy.o

ifeq ($(CONFIG_EFI_STUB), y)
	VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
endif

$(obj)/vmlinux: $(VMLINUX_OBJS) FORCE
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	$(call if_changed,ld)
	@:

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OBJCOPYFLAGS_vmlinux.bin :=  -R .comment -S
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$(obj)/vmlinux.bin: vmlinux FORCE
	$(call if_changed,objcopy)


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targets += vmlinux.bin.all vmlinux.relocs relocs
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hostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs
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quiet_cmd_relocs = RELOCS  $@
      cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $<
$(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE
	$(call if_changed,relocs)

vmlinux.bin.all-y := $(obj)/vmlinux.bin
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vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs
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$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
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	$(call if_changed,gzip)
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$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
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	$(call if_changed,bzip2)
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$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
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	$(call if_changed,lzma)
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$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
	$(call if_changed,xzkern)
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$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
	$(call if_changed,lzo)
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suffix-$(CONFIG_KERNEL_GZIP)	:= gz
suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2
suffix-$(CONFIG_KERNEL_LZMA)	:= lzma
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suffix-$(CONFIG_KERNEL_XZ)	:= xz
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suffix-$(CONFIG_KERNEL_LZO) 	:= lzo
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quiet_cmd_mkpiggy = MKPIGGY $@
      cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false )

targets += piggy.S
$(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE
	$(call if_changed,mkpiggy)