diff options
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 43 |
1 files changed, 18 insertions, 25 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 1934707bf321..50d020ac0f48 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -43,31 +43,24 @@ NM := $(NM) --synthetic endif endif -ifeq ($(CONFIG_PPC64),y) -ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) -OLDARCH := ppc64le -else -OLDARCH := ppc64 -endif -else -ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) -OLDARCH := ppcle -else -OLDARCH := ppc -endif -endif +# 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_$(BITS).o +export BITS -# It seems there are times we use this Makefile without -# including the config file, but this replicates the old behaviour -ifeq ($(CONFIG_WORD_SIZE),) -CONFIG_WORD_SIZE := 32 +ifdef CONFIG_PPC64 + BITS := 64 +else + BITS := 32 endif -UTS_MACHINE := $(OLDARCH) +machine-y = ppc +machine-$(CONFIG_PPC64) += 64 +machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le +UTS_MACHINE := $(subst $(space),,$(machine-y)) ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) override LD += -EL -override CROSS32AS += -mlittle-endian LDEMULATION := lppc GNUTARGET := powerpcle MULTIPLEWORD := -mno-multiple @@ -89,10 +82,10 @@ aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian ifeq ($(HAS_BIARCH),y) -override AS += -a$(CONFIG_WORD_SIZE) -override LD += -m elf$(CONFIG_WORD_SIZE)$(LDEMULATION) -override CC += -m$(CONFIG_WORD_SIZE) -override AR := GNUTARGET=elf$(CONFIG_WORD_SIZE)-$(GNUTARGET) $(AR) +override AS += -a$(BITS) +override LD += -m elf$(BITS)$(LDEMULATION) +override CC += -m$(BITS) +override AR := GNUTARGET=elf$(BITS)-$(GNUTARGET) $(AR) endif LDFLAGS_vmlinux-y := -Bstatic @@ -179,7 +172,7 @@ KBUILD_CFLAGS += $(call cc-option,-msoft-float) KBUILD_CFLAGS += -pipe -Iarch/$(ARCH) $(CFLAGS-y) CPP = $(CC) -E $(KBUILD_CFLAGS) -CHECKFLAGS += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__ +CHECKFLAGS += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__ ifdef CONFIG_CPU_BIG_ENDIAN CHECKFLAGS += -D__BIG_ENDIAN__ else @@ -234,7 +227,7 @@ KBUILD_CFLAGS += $(cpu-as-y) KBUILD_AFLAGS += $(aflags-y) KBUILD_CFLAGS += $(cflags-y) -head-y := arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o +head-y := arch/powerpc/kernel/head_$(BITS).o head-$(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 |