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authorSam Ravnborg <sam@ravnborg.org>2008-01-30 13:32:30 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:30 +0100
commitdb569afa4e69ceaf89b3723a8f9cd2846ed09c76 (patch)
treef426a113fc60438858df429b05545d900450259b /arch/x86/boot/compressed/Makefile
parent6b0c3d44d33e9429dbc568dc7fd3aee3774c5707 (diff)
x86: unify arch/x86/boot/compressed/Makefile(s)
Trivial unification of the two Makefiles. Tested doing a defconfig build for both 32 and 64 bit and no build changes occured. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/boot/compressed/Makefile')
-rw-r--r--arch/x86/boot/compressed/Makefile62
1 files changed, 60 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 52c1db85452..d6ae347d11f 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -1,5 +1,63 @@
+#
+# linux/arch/x86/boot/compressed/Makefile
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc_$(BITS).o piggy.o
+
+KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
+KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
+cflags-$(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 := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+
+LDFLAGS := -m elf_$(UTS_MACHINE)
+LDFLAGS_vmlinux := -T
+
+$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/piggy.o FORCE
+ $(call if_changed,ld)
+ @:
+
+$(obj)/vmlinux.bin: vmlinux FORCE
+ $(call if_changed,objcopy)
+
+
ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/boot/compressed/Makefile_32
+targets += vmlinux.bin.all vmlinux.relocs
+hostprogs-y := relocs
+
+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 := $(obj)/vmlinux.bin
+vmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs
+quiet_cmd_relocbin = BUILD $@
+ cmd_relocbin = cat $(filter-out FORCE,$^) > $@
+$(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,relocbin)
+
+ifdef CONFIG_RELOCATABLE
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
+ $(call if_changed,gzip)
else
-include ${srctree}/arch/x86/boot/compressed/Makefile_64
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,gzip)
endif
+LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
+
+else
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,gzip)
+
+LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
+endif
+
+
+$(obj)/piggy.o: $(obj)/vmlinux_$(BITS).scr $(obj)/vmlinux.bin.gz FORCE
+ $(call if_changed,ld)