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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-09-23 06:30:04 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-09-28 12:22:12 +0300 |
| commit | 4b2a9315f20d98576e25c9e4572e9a8e028d7aa2 (patch) | |
| tree | 3be463b2f99cb47d7673ec8c119e9fdd7ecb14e2 /arch | |
| parent | 465dda9d320d1cb9424f1015b0520ec4c4f0d279 (diff) | |
| download | linux-4b2a9315f20d98576e25c9e4572e9a8e028d7aa2.tar.xz | |
powerpc/64s: POWER10 CPU Kconfig build option
This adds basic POWER10_CPU option, which builds with -mcpu=power10.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220923033004.536127-1-npiggin@gmail.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/Makefile | 7 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 6 |
2 files changed, 12 insertions, 1 deletions
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) diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 8333c558d932..0c4eed9aea80 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -172,6 +172,11 @@ config POWER9_CPU depends on PPC_BOOK3S_64 select ARCH_HAS_FAST_MULTIPLIER +config POWER10_CPU + bool "POWER10" + depends on PPC_BOOK3S_64 + select ARCH_HAS_FAST_MULTIPLIER + config E5500_CPU bool "Freescale e5500" depends on PPC64 && PPC_E500 @@ -240,6 +245,7 @@ config TARGET_CPU default "power7" if POWER7_CPU default "power8" if POWER8_CPU default "power9" if POWER9_CPU + default "power10" if POWER10_CPU default "405" if 405_CPU default "440" if 440_CPU default "464" if 464_CPU |