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-rw-r--r--arch/powerpc/Makefile21
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