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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2007-09-21 02:16:20 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-10-03 01:12:02 +0200 |
| commit | 2578bfae84a78bd46fdbc0d2f9d39e9fbc9c8a3f (patch) | |
| tree | 9dad1abf1dd5fa31cc1d507d559baa7e52d6a836 /arch/powerpc/Makefile | |
| parent | [POWERPC] Separate out legacy machine check exception parsers (diff) | |
| download | linux-2578bfae84a78bd46fdbc0d2f9d39e9fbc9c8a3f.tar.xz linux-2578bfae84a78bd46fdbc0d2f9d39e9fbc9c8a3f.zip | |
[POWERPC] Create and use CONFIG_WORD_SIZE
Linus made this suggestion for the x86 merge and this starts the process
for powerpc. We assume that CONFIG_PPC64 implies CONFIG_PPC_MERGE and
CONFIG_PPC_STD_MMU_32 implies CONFIG_PPC_STD_MMU.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 87aff5372d6e..71632b20b81d 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -39,7 +39,6 @@ KBUILD_DEFCONFIG := $(shell uname -m)_defconfig ifeq ($(CONFIG_PPC64),y) OLDARCH := ppc64 -SZ := 64 new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) @@ -49,16 +48,21 @@ endif else OLDARCH := ppc -SZ := 32 +endif + +# It seems there are times we use this Makefile without +# including the config file, but this replicates the old behaviour +ifeq ($(CONFIG_WORD_SIZE),) +CONFIG_WORD_SIZE := 32 endif UTS_MACHINE := $(OLDARCH) ifeq ($(HAS_BIARCH),y) -override AS += -a$(SZ) -override LD += -m elf$(SZ)ppc -override CC += -m$(SZ) -override AR := GNUTARGET=elf$(SZ)-powerpc $(AR) +override AS += -a$(CONFIG_WORD_SIZE) +override LD += -m elf$(CONFIG_WORD_SIZE)ppc +override CC += -m$(CONFIG_WORD_SIZE) +override AR := GNUTARGET=elf$(CONFIG_WORD_SIZE)-powerpc $(AR) endif LDFLAGS_vmlinux := -Bstatic @@ -72,7 +76,7 @@ AFLAGS += $(AFLAGS-y) CFLAGS += -msoft-float -pipe $(CFLAGS-y) CPP = $(CC) -E $(CFLAGS) -CHECKFLAGS += -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__ +CHECKFLAGS += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__ ifeq ($(CONFIG_PPC64),y) GCC_BROKEN_VEC := $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi) @@ -120,8 +124,7 @@ cpu-as-$(CONFIG_E200) += -Wa,-me200 AFLAGS += $(cpu-as-y) CFLAGS += $(cpu-as-y) -head-y := arch/powerpc/kernel/head_32.o -head-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o +head-y := arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o |