diff options
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 105 |
1 files changed, 61 insertions, 44 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index e91d7e91347d..dca73f673d70 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -107,6 +107,7 @@ LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z notext 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 @@ -121,20 +122,20 @@ else 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 @@ -181,8 +182,16 @@ ifdef CONFIG_476FPE_ERR46 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) @@ -238,110 +247,118 @@ bootwrapper_install: $(Q)$(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 |