LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y)
ifdef CONFIG_PPC64
+ifndef CONFIG_PPC_KERNEL_PCREL
ifeq ($(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
export NO_MINIMAL_TOC := -mno-minimal-toc
endif
endif
+endif
CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-mtraceback=no)
-ifndef CONFIG_CC_IS_CLANG
ifdef CONFIG_PPC64_ELF_ABI_V2
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2,$(call cc-option,-mcall-aixdesc))
-AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv2)
else
+ifndef CONFIG_CC_IS_CLANG
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1)
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc)
-AFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1)
endif
endif
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc))
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions)
+CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mlong-double-128)
# Clang unconditionally reserves r2 on ppc32 and does not support the flag
# https://bugs.llvm.org/show_bug.cgi?id=39555
endif
# No prefix or pcrel
+ifdef CONFIG_PPC_KERNEL_PREFIXED
+KBUILD_CFLAGS += $(call cc-option,-mprefixed)
+else
KBUILD_CFLAGS += $(call cc-option,-mno-prefixed)
+endif
+ifdef CONFIG_PPC_KERNEL_PCREL
+KBUILD_CFLAGS += $(call cc-option,-mpcrel)
+else
KBUILD_CFLAGS += $(call cc-option,-mno-pcrel)
+endif
# No AltiVec or VSX or MMA instructions when building kernel
KBUILD_CFLAGS += $(call cc-option,-mno-altivec)
$(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
include $(srctree)/scripts/Makefile.defconf
-PHONY += pseries_le_defconfig
-pseries_le_defconfig:
- $(call merge_into_defconfig,pseries_defconfig,le)
-PHONY += ppc64le_defconfig
+generated_configs += ppc64le_defconfig
ppc64le_defconfig:
$(call merge_into_defconfig,ppc64_defconfig,le)
-PHONY += ppc64le_guest_defconfig
+generated_configs += ppc64le_guest_defconfig
ppc64le_guest_defconfig:
- $(call merge_into_defconfig,ppc64_defconfig,le guest)
+ $(call merge_into_defconfig,ppc64_defconfig,le guest kvm_guest)
-PHONY += ppc64_guest_defconfig
+generated_configs += ppc64_guest_defconfig
ppc64_guest_defconfig:
- $(call merge_into_defconfig,ppc64_defconfig,be guest)
+ $(call merge_into_defconfig,ppc64_defconfig,be guest kvm_guest)
+
+generated_configs += pseries_le_defconfig
+pseries_le_defconfig: ppc64le_guest_defconfig
-PHONY += powernv_be_defconfig
+generated_configs += pseries_defconfig
+pseries_defconfig: ppc64le_guest_defconfig
+
+generated_configs += powernv_be_defconfig
powernv_be_defconfig:
$(call merge_into_defconfig,powernv_defconfig,be)
-PHONY += mpc85xx_defconfig
+generated_configs += mpc85xx_defconfig
mpc85xx_defconfig:
$(call merge_into_defconfig,mpc85xx_base.config,\
85xx-32bit 85xx-hw fsl-emb-nonhw)
-PHONY += mpc85xx_smp_defconfig
+generated_configs += mpc85xx_smp_defconfig
mpc85xx_smp_defconfig:
$(call merge_into_defconfig,mpc85xx_base.config,\
85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw)
-PHONY += corenet32_smp_defconfig
+generated_configs += corenet32_smp_defconfig
corenet32_smp_defconfig:
$(call merge_into_defconfig,corenet_base.config,\
85xx-32bit 85xx-smp 85xx-hw fsl-emb-nonhw dpaa)
-PHONY += corenet64_smp_defconfig
+generated_configs += corenet64_smp_defconfig
corenet64_smp_defconfig:
$(call merge_into_defconfig,corenet_base.config,\
85xx-64bit 85xx-smp altivec 85xx-hw fsl-emb-nonhw dpaa)
-PHONY += mpc86xx_defconfig
+generated_configs += mpc86xx_defconfig
mpc86xx_defconfig:
$(call merge_into_defconfig,mpc86xx_base.config,\
86xx-hw fsl-emb-nonhw)
-PHONY += mpc86xx_smp_defconfig
+generated_configs += mpc86xx_smp_defconfig
mpc86xx_smp_defconfig:
$(call merge_into_defconfig,mpc86xx_base.config,\
86xx-smp 86xx-hw fsl-emb-nonhw)
-PHONY += ppc32_allmodconfig
+generated_configs += ppc32_allmodconfig
ppc32_allmodconfig:
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/book3s_32.config \
-f $(srctree)/Makefile allmodconfig
-PHONY += ppc_defconfig
+generated_configs += ppc_defconfig
ppc_defconfig:
$(call merge_into_defconfig,book3s_32.config,)
-PHONY += ppc64le_allmodconfig
+generated_configs += ppc64le_allmodconfig
ppc64le_allmodconfig:
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/le.config \
-f $(srctree)/Makefile allmodconfig
-PHONY += ppc64le_allnoconfig
+generated_configs += ppc64le_allnoconfig
ppc64le_allnoconfig:
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/ppc64le.config \
-f $(srctree)/Makefile allnoconfig
-PHONY += ppc64_book3e_allmodconfig
+generated_configs += ppc64_book3e_allmodconfig
ppc64_book3e_allmodconfig:
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \
-f $(srctree)/Makefile allmodconfig
-PHONY += ppc32_randconfig
+generated_configs += ppc32_randconfig
ppc32_randconfig:
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/32-bit.config \
-f $(srctree)/Makefile randconfig
-PHONY += ppc64_randconfig
+generated_configs += ppc64_randconfig
ppc64_randconfig:
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/64-bit.config \
-f $(srctree)/Makefile randconfig
+PHONY += $(generated_configs)
+
define archhelp
- @echo '* zImage - Build default images selected by kernel config'
- @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
- @echo ' uImage - U-Boot native image format'
- @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older'
- @echo ' versions which do not support device trees'
- @echo ' dtbImage.<dt> - zImage with an embedded device tree blob'
- @echo ' simpleImage.<dt> - Firmware independent image.'
- @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)'
- @echo ' install - Install kernel using'
- @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
- @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
- @echo ' install to $$(INSTALL_PATH) and run lilo'
- @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs'
- @echo ''
- @echo ' Targets with <dt> embed a device tree blob inside the image'
- @echo ' These targets support board with firmware that does not'
- @echo ' support passing a device tree directly. Replace <dt> with the'
- @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory'
- @echo ' (minus the .dts extension).'
+ echo '* zImage - Build default images selected by kernel config'
+ echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
+ echo ' uImage - U-Boot native image format'
+ echo ' cuImage.<dt> - Backwards compatible U-Boot image for older'
+ echo ' versions which do not support device trees'
+ echo ' dtbImage.<dt> - zImage with an embedded device tree blob'
+ echo ' simpleImage.<dt> - Firmware independent image.'
+ echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)'
+ echo ' install - Install kernel using'
+ echo ' (your) ~/bin/$(INSTALLKERNEL) or'
+ echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
+ echo ' install to $$(INSTALL_PATH) and run lilo'
+ echo ' *_defconfig - Select default config from arch/$(ARCH)/configs'
+ echo ''
+ echo ' Targets with <dt> embed a device tree blob inside the image'
+ echo ' These targets support board with firmware that does not'
+ echo ' support passing a device tree directly. Replace <dt> with the'
+ echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory'
+ echo ' (minus the .dts extension).'
+ echo
+ $(foreach cfg,$(generated_configs),
+ printf " %-27s - Build for %s\\n" $(cfg) $(subst _defconfig,,$(cfg));)
endef
PHONY += install
projects / linux-block.git / blobdiff