diff options
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 1ff0d2818da6..45fd975ef521 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -181,6 +181,7 @@ config POWER10_CPU depends on PPC_BOOK3S_64 select ARCH_HAS_FAST_MULTIPLIER select PPC_HAVE_PREFIXED_SUPPORT + select PPC_HAVE_PCREL_SUPPORT config E5500_CPU bool "Freescale e5500" @@ -471,6 +472,20 @@ config PPC_KERNEL_PREFIXED Kernel support for prefixed instructions in applications and guests is not affected by this option. +config PPC_KERNEL_PCREL + depends on PPC_HAVE_PCREL_SUPPORT + depends on PPC_HAVE_PREFIXED_SUPPORT + depends on CC_HAS_PCREL + default n + select PPC_KERNEL_PREFIXED + bool "Build Kernel with PC-Relative addressing model" + help + POWER10 and later CPUs support pc relative addressing. Recent + compilers have support for an ELF ABI extension for a pc relative + ABI. + + This option builds the kernel with the pc relative ABI model. + config PPC_KUEP bool "Kernel Userspace Execution Prevention" if !40x default y if !40x @@ -510,6 +525,9 @@ config PPC_HAVE_PMU_SUPPORT config PPC_HAVE_PREFIXED_SUPPORT bool +config PPC_HAVE_PCREL_SUPPORT + bool + config PMU_SYSFS bool "Create PMU SPRs sysfs file" default n |