Messages in this thread Patch in this message | | | From | Christophe Leroy <> | Subject | [PATCH 1/3] powerpc: make CPU selection logic generic in Makefile | Date | Thu, 7 Jun 2018 10:10:18 +0000 (UTC) |
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At the time being, when adding a new CPU for selection, both Kconfig.cputype and Makefile have to be modified.
This patch moves into Kconfig.cputype the name of the CPU to me passed to the -mcpu= argument.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/Makefile | 8 +------- arch/powerpc/platforms/Kconfig.cputype | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 9704ab360d39..9a5642552abc 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -175,13 +175,7 @@ ifdef CONFIG_MPROFILE_KERNEL endif 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_SPECIAL_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_SPECIAL_CPU)) # Altivec option not allowed with e500mc64 in GCC. ifeq ($(CONFIG_ALTIVEC),y) diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index cc892dcfa114..71ef559cc474 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -140,6 +140,21 @@ config E6500_CPU endchoice +config SPECIAL_CPU_BOOL + bool + default !GENERIC_CPU + +config SPECIAL_CPU + string + depends on SPECIAL_CPU_BOOL + default "cell" if CELL_CPU + default "power5" if POWER5_CPU + default "power6" if POWER6_CPU + default "power7" if POWER7_CPU + default "power8" if POWER8_CPU + default "power9" if POWER9_CPU + default "860" if PPC_8xx + config PPC_BOOK3S def_bool y depends on PPC_BOOK3S_32 || PPC_BOOK3S_64 -- 2.13.3
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