1 files changed, 20 insertions, 0 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 5aecda05e0da..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