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x86: Remove duplication of 16-bit CFLAGS
Define them once in arch/x86/Makefile instead of twice. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Link: http://lkml.kernel.org/r/1389180083-23249-1-git-send-email-David.Woodhouse@intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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@ -11,6 +11,20 @@ else
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KBUILD_DEFCONFIG := $(ARCH)_defconfig
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endif
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# How to compile the 16-bit code. Note we always compile for -march=i386;
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# that way we can complain to the user if the CPU is insufficient.
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REALMODE_CFLAGS := -m32 -g -Os -D__KERNEL__ -DDISABLE_BRANCH_PROFILING \
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-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
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-include $(srctree)/arch/x86/boot/code16gcc.h \
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-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
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-mno-mmx -mno-sse \
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$(call cc-option, -ffreestanding) \
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$(call cc-option, -fno-toplevel-reorder,\
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$(call cc-option, -fno-unit-at-a-time)) \
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$(call cc-option, -fno-stack-protector) \
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$(call cc-option, -mpreferred-stack-boundary=2)
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export REALMODE_CFLAGS
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# BITS is used as extension for files which are available in a 32 bit
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# and a 64 bit version to simplify shared Makefiles.
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# e.g.: obj-y += foo_$(BITS).o
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@ -51,20 +51,7 @@ $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
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# ---------------------------------------------------------------------------
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# How to compile the 16-bit code. Note we always compile for -march=i386,
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# that way we can complain to the user if the CPU is insufficient.
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KBUILD_CFLAGS := $(USERINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ \
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-DDISABLE_BRANCH_PROFILING \
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-Wall -Wstrict-prototypes \
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-march=i386 -mregparm=3 \
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-include $(srctree)/$(src)/code16gcc.h \
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-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
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-mno-mmx -mno-sse \
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$(call cc-option, -ffreestanding) \
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$(call cc-option, -fno-toplevel-reorder,\
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$(call cc-option, -fno-unit-at-a-time)) \
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$(call cc-option, -fno-stack-protector) \
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$(call cc-option, -mpreferred-stack-boundary=2)
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KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
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KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
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GCOV_PROFILE := n
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@ -64,20 +64,7 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
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# ---------------------------------------------------------------------------
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# How to compile the 16-bit code. Note we always compile for -march=i386,
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# that way we can complain to the user if the CPU is insufficient.
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KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
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-I$(srctree)/arch/x86/boot \
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-DDISABLE_BRANCH_PROFILING \
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-Wall -Wstrict-prototypes \
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-march=i386 -mregparm=3 \
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-include $(srctree)/$(src)/../../boot/code16gcc.h \
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-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
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-mno-mmx -mno-sse \
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$(call cc-option, -ffreestanding) \
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$(call cc-option, -fno-toplevel-reorder,\
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$(call cc-option, -fno-unit-at-a-time)) \
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$(call cc-option, -fno-stack-protector) \
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$(call cc-option, -mpreferred-stack-boundary=2)
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KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
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-I$(srctree)/arch/x86/boot
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KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
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GCOV_PROFILE := n
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