From 2a13f91597d83aae4da2dde2bf1a71b91d41bc41 Mon Sep 17 00:00:00 2001 From: Ioannis Glaropoulos Date: Tue, 8 Oct 2019 16:42:53 +0200 Subject: [PATCH] arch: arm: update minimum MPU region alignment for ARMv6-M ARMv6-M architecture has an MPU that requires minimum region size of 256 bytes. Signed-off-by: Ioannis Glaropoulos --- arch/arm/core/cortex_m/mpu/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/core/cortex_m/mpu/Kconfig b/arch/arm/core/cortex_m/mpu/Kconfig index 4c7146044d3..2d851510d79 100644 --- a/arch/arm/core/cortex_m/mpu/Kconfig +++ b/arch/arm/core/cortex_m/mpu/Kconfig @@ -24,6 +24,7 @@ config ARM_MPU config ARM_MPU_REGION_MIN_ALIGN_AND_SIZE int + default 256 if ARM_MPU && ARMV6_M_ARMV8_M_BASELINE && !ARMV8_M_BASELINE default 32 if ARM_MPU default 4 help