diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index dbd9d3c991e8..a4e3a93bf2d4 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -312,6 +312,26 @@ config MATH_EMULATION such as fsqrt on cores that do have an FPU but do not implement them (such as Freescale BookE). +choice + prompt "Math emulation options" + default MATH_EMULATION_FULL + depends on MATH_EMULATION + +config MATH_EMULATION_FULL + bool "Emulate all the floating point instructions" + ---help--- + Select this option will enable the kernel to support to emulate + all the floating point instructions. If your SoC doesn't have + a FPU, you should select this. + +config MATH_EMULATION_HW_UNIMPLEMENTED + bool "Just emulate the FPU unimplemented instructions" + ---help--- + Select this if you know there does have a hardware FPU on your + SoC, but some floating point instructions are not implemented by that. + +endchoice + config PPC_TRANSACTIONAL_MEM bool "Transactional Memory support for POWERPC" depends on PPC_BOOK3S_64 @@ -369,9 +389,9 @@ config KEXEC It is an ongoing process to be certain the hardware in a machine is properly shutdown, so do not be surprised if this code does not - initially work for you. It may help to enable device hotplugging - support. As of this writing the exact hardware interface is - strongly in flux, so no good recommendation can be made. + initially work for you. As of this writing the exact hardware + interface is strongly in flux, so no good recommendation can be + made. config CRASH_DUMP bool "Build a kdump crash kernel" @@ -979,6 +999,7 @@ config RELOCATABLE must live at a different physical address than the primary kernel. +# This value must have zeroes in the bottom 60 bits otherwise lots will break config PAGE_OFFSET hex default "0xc000000000000000" |