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-rw-r--r--arch/powerpc/Makefile49
1 files changed, 29 insertions, 20 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index fb96206de317..8397c7bd5880 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -36,7 +36,7 @@ else
KBUILD_DEFCONFIG := ppc64_defconfig
endif
-ifeq ($(CONFIG_PPC64),y)
+ifdef CONFIG_PPC64
new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
ifeq ($(new_nm),y)
@@ -74,7 +74,7 @@ KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
endif
endif
-ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
+ifdef CONFIG_CPU_LITTLE_ENDIAN
KBUILD_CFLAGS += -mlittle-endian
LDFLAGS += -EL
LDEMULATION := lppc
@@ -117,7 +117,7 @@ LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie
LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y)
LDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn)
-ifeq ($(CONFIG_PPC64),y)
+ifdef CONFIG_PPC64
ifeq ($(call cc-option-yn,-mcmodel=medium),y)
# -mcmodel=medium breaks modules because it uses 32bit offsets from
# the TOC pointer to create pointers where possible. Pointers into the
@@ -134,7 +134,7 @@ endif
endif
CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no)
-ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
+ifdef CONFIG_CPU_LITTLE_ENDIAN
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc))
AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2)
else
@@ -148,8 +148,8 @@ CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions)
CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD)
CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata)
-ifeq ($(CONFIG_PPC_BOOK3S_64),y)
-ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
+ifdef CONFIG_PPC_BOOK3S_64
+ifdef CONFIG_CPU_LITTLE_ENDIAN
CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8
CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8)
else
@@ -164,16 +164,10 @@ ifdef CONFIG_MPROFILE_KERNEL
CC_FLAGS_FTRACE := -pg -mprofile-kernel
endif
-CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)
-CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5)
-CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6)
-CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7)
-CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8)
-CFLAGS-$(CONFIG_POWER9_CPU) += $(call cc-option,-mcpu=power9)
-CFLAGS-$(CONFIG_PPC_8xx) += $(call cc-option,-mcpu=860)
+CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
# Altivec option not allowed with e500mc64 in GCC.
-ifeq ($(CONFIG_ALTIVEC),y)
+ifdef CONFIG_ALTIVEC
E5500_CPU := -mcpu=powerpc64
else
E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64)
@@ -181,8 +175,8 @@ endif
CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU)
CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU))
-ifeq ($(CONFIG_PPC32),y)
-ifeq ($(CONFIG_PPC_E500MC),y)
+ifdef CONFIG_PPC32
+ifdef CONFIG_PPC_E500MC
CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc)
else
CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc)
@@ -204,7 +198,7 @@ else
CHECKFLAGS += -D__LITTLE_ENDIAN__
endif
-ifeq ($(CONFIG_476FPE_ERR46),y)
+ifdef CONFIG_476FPE_ERR46
KBUILD_LDFLAGS_MODULE += --ppc476-workaround \
-T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds
endif
@@ -231,12 +225,12 @@ KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
# often slow when they are implemented at all
KBUILD_CFLAGS += $(call cc-option,-mno-string)
-ifeq ($(CONFIG_6xx),y)
+ifdef CONFIG_6xx
KBUILD_CFLAGS += -mcpu=powerpc
endif
# Work around a gcc code-gen bug with -fno-omit-frame-pointer.
-ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ifdef CONFIG_FUNCTION_TRACER
KBUILD_CFLAGS += -mno-sched-epilog
endif
@@ -355,6 +349,21 @@ mpc86xx_smp_defconfig:
$(call merge_into_defconfig,mpc86xx_basic_defconfig,\
86xx-smp 86xx-hw fsl-emb-nonhw)
+PHONY += ppc32_allmodconfig
+ppc32_allmodconfig:
+ $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \
+ -f $(srctree)/Makefile allmodconfig
+
+PHONY += ppc64le_allmodconfig
+ppc64le_allmodconfig:
+ $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \
+ -f $(srctree)/Makefile allmodconfig
+
+PHONY += ppc64_book3e_allmodconfig
+ppc64_book3e_allmodconfig:
+ $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \
+ -f $(srctree)/Makefile allmodconfig
+
define archhelp
@echo '* zImage - Build default images selected by kernel config'
@echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
@@ -381,7 +390,7 @@ install:
$(Q)$(MAKE) $(build)=$(boot) install
vdso_install:
-ifeq ($(CONFIG_PPC64),y)
+ifdef CONFIG_PPC64
$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
endif
$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@