Le 15/12/2022 à 07:49, Christophe Leroy a écrit : > > > Le 14/12/2022 à 15:45, Jan-Benedict Glaw a écrit : >> On Tue, 2022-12-13 14:49:20 +1100, Michael Ellerman >> <m...@ellerman.id.au> wrote: >> [...] >>> Both treeboot-akebono.c and treeboot-currituck.c are for 476 so should >>> probably be built with -mcpu=476. eg: >>> >>> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile >>> index d32d95aea5d6..acb6eddace8f 100644 >>> --- a/arch/powerpc/boot/Makefile >>> +++ b/arch/powerpc/boot/Makefile >>> @@ -88,8 +88,8 @@ $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440 >>> $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440 >>> $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405 >>> $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405 >>> -$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405 >>> -$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405 >>> +$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=476 >>> +$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=476 >>> # The pre-boot decompressors pull in a lot of kernel headers and >>> other source >>> # files. This creates a bit of a dependency headache since we need >>> to copy >> >> With this patch applied, it seems this fixes these asm-related builds: >> >> linux-powerpc-bamboo_defconfig >> linux-powerpc-cell_defconfig >> linux-powerpc-ebony_defconfig >> linux-powerpc-katmai_defconfig >> linux-powerpc-ppc44x_defconfig >> linux-powerpc-rainier_defconfig >> linux-powerpc-sam440ep_defconfig >> linux-powerpc-sequoia_defconfig >> linux-powerpc-taishan_defconfig >> >> ...while three remain unresolved: >> >> linux-powerpc-asp8347_defconfig >> linux-powerpc-mvme5100_defconfig >> linux-powerpc-ppc64e_defconfig >> > > Can you try with below changes (you may have to apply manually as I'm > not sure my mail client preserves text integrity): > > diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile > index bf5f0a998273..3245eec95627 100644 > --- a/arch/powerpc/Makefile > +++ b/arch/powerpc/Makefile > @@ -201,18 +201,15 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables > # often slow when they are implemented at all > KBUILD_CFLAGS += $(call cc-option,-mno-string) > > -cpu-as-$(CONFIG_40x) += -Wa,-m405 > -cpu-as-$(CONFIG_44x) += -Wa,-m440 > cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) > -cpu-as-$(CONFIG_PPC_E500) += -Wa,-me500 > +cpu-as-$(CONFIG_TARGET_CPU_BOOL) += -Wa,-m$(CONFIG_TARGET_CPU) > > # When using '-many -mpower4' gas will first try and find a matching > power4 > # mnemonic and failing that it will allow any valid mnemonic that GAS > knows > # about. GCC will pass -many to GAS when assembling, clang does not. > # LLVM IAS doesn't understand either flag: > https://github.com/ClangBuiltLinux/linux/issues/675 > # but LLVM IAS only supports ISA >= 2.06 for Book3S 64 anyway... > -cpu-as-$(CONFIG_PPC_BOOK3S_64) += $(call > as-option,-Wa$(comma)-mpower4) $(call as-option,-Wa$(comma)-many) > -cpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc) > +cpu-as-$(CONFIG_PPC_BOOK3S_64) += $(call as-option,-Wa$(comma)-many) > > KBUILD_AFLAGS += $(cpu-as-y) > KBUILD_CFLAGS += $(cpu-as-y) >
For ppc64e_defconfig, also make sure you have the fix that is on top of powerpc/next-test branch : https://github.com/linuxppc/linux/commits/next-test