From 4b2a9315f20d98576e25c9e4572e9a8e028d7aa2 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Fri, 23 Sep 2022 13:30:04 +1000 Subject: powerpc/64s: POWER10 CPU Kconfig build option This adds basic POWER10_CPU option, which builds with -mcpu=power10. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220923033004.536127-1-npiggin@gmail.com --- arch/powerpc/Makefile | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/Makefile') diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index aeabcc945110..19470d29de16 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -192,9 +192,14 @@ ifdef CONFIG_476FPE_ERR46 -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds endif -# No AltiVec or VSX instructions when building kernel +# No prefix or pcrel +KBUILD_CFLAGS += $(call cc-option,-mno-prefixed) +KBUILD_CFLAGS += $(call cc-option,-mno-pcrel) + +# No AltiVec or VSX or MMA instructions when building kernel KBUILD_CFLAGS += $(call cc-option,-mno-altivec) KBUILD_CFLAGS += $(call cc-option,-mno-vsx) +KBUILD_CFLAGS += $(call cc-option,-mno-mma) # No SPE instruction when building kernel # (We use all available options to help semi-broken compilers) -- cgit v1.2.3