lkml.org 
[lkml]   [2014]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [llvmlinux] [PATCH 1/4] x86: Remove duplication of 16-bit CFLAGS
Hi David,

I'll import your patches to our queue and resolve them with the existing
ones.

Thanks.

Best,
Jan-Simon

Am 08.01.2014 12:21, schrieb David Woodhouse:
> Define them once in arch/x86/Makefile instead of twice
>
> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
> ---
> arch/x86/Makefile | 14 ++++++++++++++
> arch/x86/boot/Makefile | 15 +--------------
> arch/x86/realmode/rm/Makefile | 17 ++---------------
> 3 files changed, 17 insertions(+), 29 deletions(-)
>
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 3c54657..ef19271 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -11,6 +11,20 @@ else
> KBUILD_DEFCONFIG := $(ARCH)_defconfig
> endif
>
> +# How to compile the 16-bit code. Note we always compile for -march=i386;
> +# that way we can complain to the user if the CPU is insufficient.
> +REALMODE_CFLAGS := -m32 -g -Os -D__KERNEL__ -DDISABLE_BRANCH_PROFILING \
> + -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
> + -include $(srctree)/arch/x86/boot/code16gcc.h \
> + -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
> + -mno-mmx -mno-sse \
> + $(call cc-option, -ffreestanding) \
> + $(call cc-option, -fno-toplevel-reorder,\
> + $(call cc-option, -fno-unit-at-a-time)) \
> + $(call cc-option, -fno-stack-protector) \
> + $(call cc-option, -mpreferred-stack-boundary=2)
> +export REALMODE_CFLAGS
> +
> # BITS is used as extension for files which are available in a 32 bit
> # and a 64 bit version to simplify shared Makefiles.
> # e.g.: obj-y += foo_$(BITS).o
> diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
> index d9c1195..7c2b0a1 100644
> --- a/arch/x86/boot/Makefile
> +++ b/arch/x86/boot/Makefile
> @@ -51,20 +51,7 @@ $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
>
> # ---------------------------------------------------------------------------
>
> -# How to compile the 16-bit code. Note we always compile for -march=i386,
> -# that way we can complain to the user if the CPU is insufficient.
> -KBUILD_CFLAGS := $(USERINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ \
> - -DDISABLE_BRANCH_PROFILING \
> - -Wall -Wstrict-prototypes \
> - -march=i386 -mregparm=3 \
> - -include $(srctree)/$(src)/code16gcc.h \
> - -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
> - -mno-mmx -mno-sse \
> - $(call cc-option, -ffreestanding) \
> - $(call cc-option, -fno-toplevel-reorder,\
> - $(call cc-option, -fno-unit-at-a-time)) \
> - $(call cc-option, -fno-stack-protector) \
> - $(call cc-option, -mpreferred-stack-boundary=2)
> +KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
> KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
> GCOV_PROFILE := n
>
> diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
> index 9cac825..3497f14 100644
> --- a/arch/x86/realmode/rm/Makefile
> +++ b/arch/x86/realmode/rm/Makefile
> @@ -64,20 +64,7 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
>
> # ---------------------------------------------------------------------------
>
> -# How to compile the 16-bit code. Note we always compile for -march=i386,
> -# that way we can complain to the user if the CPU is insufficient.
> -KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
> - -I$(srctree)/arch/x86/boot \
> - -DDISABLE_BRANCH_PROFILING \
> - -Wall -Wstrict-prototypes \
> - -march=i386 -mregparm=3 \
> - -include $(srctree)/$(src)/../../boot/code16gcc.h \
> - -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
> - -mno-mmx -mno-sse \
> - $(call cc-option, -ffreestanding) \
> - $(call cc-option, -fno-toplevel-reorder,\
> - $(call cc-option, -fno-unit-at-a-time)) \
> - $(call cc-option, -fno-stack-protector) \
> - $(call cc-option, -mpreferred-stack-boundary=2)
> +KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
> + -I$(srctree)/arch/x86/boot
> KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
> GCOV_PROFILE := n



\
 
 \ /
  Last update: 2014-01-08 14:41    [W:0.235 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site