On Sunday 10 July 2022 17:38:33 Christophe Leroy wrote: > Le 09/07/2022 à 12:23, Pali Rohár a écrit : > >>> > >>> -ifdef CONFIG_PPC_BOOK3S_64 > >>> ifdef CONFIG_CPU_LITTLE_ENDIAN > >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 > >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call > >>> cc-option,-mtune=power9,-mtune=power8) > >>> +CFLAGS-$(CONFIG_PPC_BOOK3S_64) += -mcpu=power8 > >>> +CFLAGS-$(CONFIG_PPC_BOOK3S_64) += $(call > >>> cc-option,-mtune=power9,-mtune=power8) > >>> else > >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call > >>> cc-option,-mtune=power5)) > >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call > >>> cc-option,-mcpu=power5,-mcpu=power4) > >>> -endif > >>> -else ifdef CONFIG_PPC_BOOK3E_64 > >>> -CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 > >>> +CFLAGS-$(CONFIG_PPC_BOOK3S_64) += $(call cc-option,-mtune=power7,$(call > >>> cc-option,-mtune=power5)) > >>> +CFLAGS-$(CONFIG_PPC_BOOK3S_64) += $(call > >>> cc-option,-mcpu=power5,-mcpu=power4) > >> > >> So before that change I got -mcpu=power9 > >> > >> Now I get -mtune=power7 -mcpu=power5 -mcpu=power9 > > > > I did it like Arnd wrote. > > > > And seems that it does not work and now is fully out of the scope of the > > original issue. Now I'm really lost here. > > > > So I nobody comes with better solution, I would prefer to stick with my > > original version which targets _only_ e500 cores. > > > > Any other suggestion? > > I sent a patch based on the TARGET_CPU logic, does it work for you ? > > Christophe
Perfect, it works! Thank you. Anyway, same problem is with arch/powerpc/boot/Makefile file when building "uImage" target. There is hardcoded -mcpu=powerpc flag.