Updates to CM3_MPU GCC port

[freertos] / FreeRTOS / Source / portable / GCC / ARM_CM3_MPU / portmacro.h

diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h
index ff8ddb6c65370c36197985682db2117781f492ee..415255f6fd5ba8717f30fe51b9774f02928d7c9d 100644 (file)
--- a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h
+++ b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h
@@ -73,12 +73,13 @@ typedef unsigned long UBaseType_t;
 #define portUSING_MPU_WRAPPERS         1\r
 #define portPRIVILEGE_BIT                      ( 0x80000000UL )\r
 \r
-#define portMPU_REGION_READ_WRITE                              ( 0x03UL << 24UL )\r
-#define portMPU_REGION_PRIVILEGED_READ_ONLY            ( 0x05UL << 24UL )\r
-#define portMPU_REGION_READ_ONLY                               ( 0x06UL << 24UL )\r
-#define portMPU_REGION_PRIVILEGED_READ_WRITE   ( 0x01UL << 24UL )\r
-#define portMPU_REGION_CACHEABLE_BUFFERABLE            ( 0x07UL << 16UL )\r
-#define portMPU_REGION_EXECUTE_NEVER                   ( 0x01UL << 28UL )\r
+#define portMPU_REGION_READ_WRITE                                                              ( 0x03UL << 24UL )\r
+#define portMPU_REGION_PRIVILEGED_READ_ONLY                                            ( 0x05UL << 24UL )\r
+#define portMPU_REGION_READ_ONLY                                                               ( 0x06UL << 24UL )\r
+#define portMPU_REGION_PRIVILEGED_READ_WRITE                                   ( 0x01UL << 24UL )\r
+#define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY  ( 0x02UL << 24UL )\r
+#define portMPU_REGION_CACHEABLE_BUFFERABLE                                            ( 0x07UL << 16UL )\r
+#define portMPU_REGION_EXECUTE_NEVER                                                   ( 0x01UL << 28UL )\r
 \r
 #define portUNPRIVILEGED_FLASH_REGION          ( 0UL )\r
 #define portPRIVILEGED_FLASH_REGION                    ( 1UL )\r
@@ -293,6 +294,11 @@ portFORCE_INLINE static void vPortSetBASEPRI( uint32_t ulNewMaskValue )
 \r
 #define portMEMORY_BARRIER() __asm volatile( "" ::: "memory" )\r
 \r
+#ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY\r
+       #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security."\r
+       #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0\r
+#endif\r
+/*-----------------------------------------------------------*/\r
 #ifdef __cplusplus\r
 }\r
 #endif\r