kconfig: clean CPU features and define only once
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/arch/Kconfig b/arch/Kconfig
index 8ce5394..6fe71b6 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -191,6 +191,49 @@
This option signifies that the target has options of bootloaders
that support context restore upon resume from deep sleep
+
+# End hidden CPU family configs
+#
+
+config CPU_HAS_FPU
+ bool
+ default n
+ help
+ This option is enabled when the CPU has hardware floating point
+ unit.
+
+config CPU_HAS_MPU
+ bool
+ # Omit prompt to signify "hidden" option
+ default n
+ help
+ This option is enabled when the CPU has a Memory Protection Unit (MPU).
+
+menu "Floating Point Options"
+depends on CPU_HAS_FPU
+
+config FLOAT
+ bool
+ prompt "Floating point registers"
+ default n
+ help
+ This option allows threads to use the floating point registers.
+ By default, only a single thread may use the registers.
+
+ Disabling this option means that any thread that uses a
+ floating point register will get a fatal exception.
+
+config FP_SHARING
+ bool
+ prompt "Floating point register sharing"
+ depends on FLOAT
+ default n
+ help
+ This option allows multiple threads to use the floating point
+ registers.
+
+endmenu
+
#
# End hidden PM feature configs
#
