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-rw-r--r--nuttx/arch/arm/Kconfig11
1 files changed, 10 insertions, 1 deletions
diff --git a/nuttx/arch/arm/Kconfig b/nuttx/arch/arm/Kconfig
index bc4299c2d..81bf83360 100644
--- a/nuttx/arch/arm/Kconfig
+++ b/nuttx/arch/arm/Kconfig
@@ -118,7 +118,16 @@ config ARCH_FPU
default y
depends on ARCH_CORTEXM4
---help---
- Build in support for the ARM Cortex-M4 FPU.
+ Build in support for the ARM Cortex-M4 Floating Point Unit (FPU).
+ Check your chip specifications first; not all Cortex-M4 chips support the FPU.
+
+config ARMV7M_MPU
+ bool "MPU support"
+ default n
+ depends on ARCH_CORTEXM3 || ARCH_CORTEXM4
+ ---help---
+ Build in support for the ARM Cortex-M3/4 Memory Protection Unit (MPU).
+ Check your chip specifications first; not all Cortex-M3/4 chips support the MPU.
config ARCH_FAMILY
string