Core(M): Fixed device config checks for missing defines.
- Added __VTOR_PRESENT to all VTOR-capable cores, defaulting to 1.
- Added __FPU_DP, __DCACHE_PRESENT and __ICACHE_PRESENT to Armv8.1-M cores.
- Updated defines to affected device headers.

Change-Id: I3e0c6a35e4b526b46c583566e2adc69d89b7020a
diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 650d23b..5a9b169 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -8,8 +8,12 @@
   <url>http://www.keil.com/pack/</url>
 
   <releases>
-    <release version="5.7.0-dev6">
+    <release version="5.7.0-dev7">
       Active development...
+      CMSIS-Core(M): 5.5.0
+        - Fixed device config define checks.      
+    </release>
+    <release version="5.7.0-dev6">
       CMSIS-DSP:
         - reworked examples
     </release>
@@ -26,7 +30,7 @@
         - Added MVE support
     </release>
     <release version="5.7.0-dev3">
-      CMSIS-Core(M):
+      CMSIS-Core(M): 5.5.0
         - L1 Cache functions for Armv7-M and later
       Devices:
         - Include L1 Cache functions in ARMv8MML/ARMv81MML devices
diff --git a/CMSIS/Core/Include/core_armv81mml.h b/CMSIS/Core/Include/core_armv81mml.h
index e1e7752..1ad19e2 100644
--- a/CMSIS/Core/Include/core_armv81mml.h
+++ b/CMSIS/Core/Include/core_armv81mml.h
@@ -2,7 +2,7 @@
  * @file     core_armv81mml.h
  * @brief    CMSIS Armv8.1-M Mainline Core Peripheral Access Layer Header File
  * @version  V1.3.1
- * @date     18. March 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2018-2020 Arm Limited. All rights reserved.
@@ -210,18 +210,35 @@
     #define __FPU_PRESENT             0U
     #warning "__FPU_PRESENT not defined in device header file; using default!"
   #endif
-
+  
+  #if __FPU_PRESENT != 0U
+    #ifndef __FPU_DP
+      #define __FPU_DP             0U
+      #warning "__FPU_DP not defined in device header file; using default!"
+    #endif
+  #endif
+  
   #ifndef __MPU_PRESENT
     #define __MPU_PRESENT             0U
     #warning "__MPU_PRESENT not defined in device header file; using default!"
   #endif
 
-   #ifndef __PMU_PRESENT
+  #ifndef __ICACHE_PRESENT
+    #define __ICACHE_PRESENT          0U
+    #warning "__ICACHE_PRESENT not defined in device header file; using default!"
+  #endif
+
+  #ifndef __DCACHE_PRESENT
+    #define __DCACHE_PRESENT          0U
+    #warning "__DCACHE_PRESENT not defined in device header file; using default!"
+  #endif
+  
+  #ifndef __PMU_PRESENT
     #define __PMU_PRESENT             0U
     #warning "__PMU_PRESENT not defined in device header file; using default!"
   #endif
 
-  #if __PMU_PRESENT != 0
+  #if __PMU_PRESENT != 0U
     #ifndef __PMU_NUM_EVENTCNT
       #define __PMU_NUM_EVENTCNT      2U
       #warning "__PMU_NUM_EVENTCNT not defined in device header file; using default!"
@@ -240,6 +257,11 @@
     #warning "__DSP_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_armv8mbl.h b/CMSIS/Core/Include/core_armv8mbl.h
index f57fd20..932d3d1 100644
--- a/CMSIS/Core/Include/core_armv8mbl.h
+++ b/CMSIS/Core/Include/core_armv8mbl.h
@@ -2,7 +2,7 @@
  * @file     core_armv8mbl.h
  * @brief    CMSIS Armv8-M Baseline Core Peripheral Access Layer Header File
  * @version  V5.1.0
- * @date     11. February 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
@@ -70,7 +70,7 @@
 #define __ARMv8MBL_CMSIS_VERSION       ((__ARMv8MBL_CMSIS_VERSION_MAIN << 16U) | \
                                          __ARMv8MBL_CMSIS_VERSION_SUB           )  /*!< \deprecated CMSIS HAL version number */
 
-#define __CORTEX_M                     ( 2U)                                            /*!< Cortex-M Core */
+#define __CORTEX_M                     (2U)                                        /*!< Cortex-M Core */
 
 /** __FPU_USED indicates whether an FPU is used or not.
     This core does not support an FPU at all
diff --git a/CMSIS/Core/Include/core_armv8mml.h b/CMSIS/Core/Include/core_armv8mml.h
index 63ce17a..71f000b 100644
--- a/CMSIS/Core/Include/core_armv8mml.h
+++ b/CMSIS/Core/Include/core_armv8mml.h
@@ -2,7 +2,7 @@
  * @file     core_armv8mml.h
  * @brief    CMSIS Armv8-M Mainline Core Peripheral Access Layer Header File
  * @version  V5.2.0
- * @date     03. March 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
@@ -70,7 +70,7 @@
 #define __ARMv8MML_CMSIS_VERSION       ((__ARMv8MML_CMSIS_VERSION_MAIN << 16U) | \
                                          __ARMv8MML_CMSIS_VERSION_SUB           )  /*!< \deprecated CMSIS HAL version number */
 
-#define __CORTEX_M                     (81U)                                       /*!< Cortex-M Core */
+#define __CORTEX_M                     (80U)                                       /*!< Cortex-M Core */
 
 /** __FPU_USED indicates whether an FPU is used or not.
     For this, __FPU_PRESENT has to be checked prior to making use of FPU specific registers and functions.
@@ -250,6 +250,11 @@
     #warning "__DSP_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_cm3.h b/CMSIS/Core/Include/core_cm3.h
index e568fa3..24453a8 100644
--- a/CMSIS/Core/Include/core_cm3.h
+++ b/CMSIS/Core/Include/core_cm3.h
@@ -2,10 +2,10 @@
  * @file     core_cm3.h
  * @brief    CMSIS Cortex-M3 Core Peripheral Access Layer Header File
  * @version  V5.1.1
- * @date     19. August 2019
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2019 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -142,6 +142,11 @@
     #warning "__MPU_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_cm33.h b/CMSIS/Core/Include/core_cm33.h
index c76b37c..13359be 100644
--- a/CMSIS/Core/Include/core_cm33.h
+++ b/CMSIS/Core/Include/core_cm33.h
@@ -2,7 +2,7 @@
  * @file     core_cm33.h
  * @brief    CMSIS Cortex-M33 Core Peripheral Access Layer Header File
  * @version  V5.2.0
- * @date     11. February 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
@@ -250,6 +250,11 @@
     #warning "__DSP_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_cm35p.h b/CMSIS/Core/Include/core_cm35p.h
index 58f4cf3..6a5f6ad 100644
--- a/CMSIS/Core/Include/core_cm35p.h
+++ b/CMSIS/Core/Include/core_cm35p.h
@@ -2,7 +2,7 @@
  * @file     core_cm35p.h
  * @brief    CMSIS Cortex-M35P Core Peripheral Access Layer Header File
  * @version  V1.1.0
- * @date     11. February 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2018-2020 Arm Limited. All rights reserved.
@@ -249,7 +249,12 @@
     #define __DSP_PRESENT             0U
     #warning "__DSP_PRESENT not defined in device header file; using default!"
   #endif
-
+  
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_cm4.h b/CMSIS/Core/Include/core_cm4.h
index cfd5af2..4e0e886 100644
--- a/CMSIS/Core/Include/core_cm4.h
+++ b/CMSIS/Core/Include/core_cm4.h
@@ -2,10 +2,10 @@
  * @file     core_cm4.h
  * @brief    CMSIS Cortex-M4 Core Peripheral Access Layer Header File
  * @version  V5.1.1
- * @date     19. August 2019
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2019 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -194,6 +194,11 @@
     #warning "__MPU_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_cm55.h b/CMSIS/Core/Include/core_cm55.h
index 09ee602..6efaa3f 100644
--- a/CMSIS/Core/Include/core_cm55.h
+++ b/CMSIS/Core/Include/core_cm55.h
@@ -2,7 +2,7 @@
  * @file     core_cm55.h
  * @brief    CMSIS Cortex-M55 Core Peripheral Access Layer Header File
  * @version  V1.0.0
- * @date     18. March 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2018-2020 Arm Limited. All rights reserved.
@@ -210,18 +210,40 @@
     #define __FPU_PRESENT             0U
     #warning "__FPU_PRESENT not defined in device header file; using default!"
   #endif
+  
+  #if __FPU_PRESENT != 0U
+    #ifndef __FPU_DP
+      #define __FPU_DP             0U
+      #warning "__FPU_DP not defined in device header file; using default!"
+    #endif
+  #endif
 
   #ifndef __MPU_PRESENT
     #define __MPU_PRESENT             0U
     #warning "__MPU_PRESENT not defined in device header file; using default!"
   #endif
+
+  #ifndef __ICACHE_PRESENT
+    #define __ICACHE_PRESENT          0U
+    #warning "__ICACHE_PRESENT not defined in device header file; using default!"
+  #endif
+
+  #ifndef __DCACHE_PRESENT
+    #define __DCACHE_PRESENT          0U
+    #warning "__DCACHE_PRESENT not defined in device header file; using default!"
+  #endif
+  
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
   
   #ifndef __PMU_PRESENT
     #define __PMU_PRESENT             0U
     #warning "__PMU_PRESENT not defined in device header file; using default!"
   #endif
 
-  #if __PMU_PRESENT != 0
+  #if __PMU_PRESENT != 0U
     #ifndef __PMU_NUM_EVENTCNT
       #define __PMU_NUM_EVENTCNT      8U
       #warning "__PMU_NUM_EVENTCNT not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_cm7.h b/CMSIS/Core/Include/core_cm7.h
index 7e126fa..e1c31c2 100644
--- a/CMSIS/Core/Include/core_cm7.h
+++ b/CMSIS/Core/Include/core_cm7.h
@@ -2,7 +2,7 @@
  * @file     core_cm7.h
  * @brief    CMSIS Cortex-M7 Core Peripheral Access Layer Header File
  * @version  V5.1.2
- * @date     03. March 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
@@ -209,6 +209,11 @@
     #warning "__DTCM_PRESENT        not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_sc000.h b/CMSIS/Core/Include/core_sc000.h
index a8a4061..dbc755f 100644
--- a/CMSIS/Core/Include/core_sc000.h
+++ b/CMSIS/Core/Include/core_sc000.h
@@ -2,10 +2,10 @@
  * @file     core_sc000.h
  * @brief    CMSIS SC000 Core Peripheral Access Layer Header File
  * @version  V5.0.7
- * @date     19. August 2019
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2019 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -142,6 +142,11 @@
     #warning "__MPU_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             0U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+  
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          2U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/CMSIS/Core/Include/core_sc300.h b/CMSIS/Core/Include/core_sc300.h
index f3f2024..e8914ba 100644
--- a/CMSIS/Core/Include/core_sc300.h
+++ b/CMSIS/Core/Include/core_sc300.h
@@ -2,10 +2,10 @@
  * @file     core_sc300.h
  * @brief    CMSIS SC300 Core Peripheral Access Layer Header File
  * @version  V5.0.9
- * @date     19. August 2019
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2019 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -142,6 +142,11 @@
     #warning "__MPU_PRESENT not defined in device header file; using default!"
   #endif
 
+  #ifndef __VTOR_PRESENT
+    #define __VTOR_PRESENT             1U
+    #warning "__VTOR_PRESENT not defined in device header file; using default!"
+  #endif
+
   #ifndef __NVIC_PRIO_BITS
     #define __NVIC_PRIO_BITS          3U
     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
diff --git a/Device/ARM/ARMCM55/Include/ARMCM55.h b/Device/ARM/ARMCM55/Include/ARMCM55.h
index 0e848d4..9e05668 100644
--- a/Device/ARM/ARMCM55/Include/ARMCM55.h
+++ b/Device/ARM/ARMCM55/Include/ARMCM55.h
@@ -4,7 +4,7 @@
  *           ARMCM55 Device Series (configured for ARMCM55 with double precision FPU,
  *                                  DSP extension, MVE, TrustZone)
  * @version  V1.0.0
- * @date     26. March 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2020 Arm Limited. All rights reserved.
@@ -102,8 +102,8 @@
 #define __SAUREGION_PRESENT       1U        /* SAU regions present */
 #define __PMU_PRESENT             1U        /* PMU present */
 #define __PMU_NUM_EVENTCNT        8U        /* PMU Event Counters */
-#define __ICACHE_PRESENT          1U
-#define __DCACHE_PRESENT          1U
+#define __ICACHE_PRESENT          1U        /* Instruction Cache present */
+#define __DCACHE_PRESENT          1U        /* Data Cache present */
 
 #include "core_cm55.h"                      /* Processor and core peripherals */
 #include "system_ARMCM55.h"                 /* System Header */
diff --git a/Device/ARM/ARMCM7/Include/ARMCM7.h b/Device/ARM/ARMCM7/Include/ARMCM7.h
index 4db9527..5149599 100644
--- a/Device/ARM/ARMCM7/Include/ARMCM7.h
+++ b/Device/ARM/ARMCM7/Include/ARMCM7.h
@@ -2,11 +2,11 @@
  * @file     ARMCM7.h
  * @brief    CMSIS Core Peripheral Access Layer Header File for
  *           ARMCM7 Device (configured for CM7 without FPU)
- * @version  V5.3.1
- * @date     09. July 2018
+ * @version  V5.3.2
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -96,9 +96,9 @@
 #define __Vendor_SysTickConfig    0U        /* Set to 1 if different SysTick Config is used */
 #define __FPU_PRESENT             0U        /* no FPU present */
 #define __FPU_DP                  0U        /* unused */
-#define __ICACHE_PRESENT          1U
-#define __DCACHE_PRESENT          1U
-#define __DTCM_PRESENT            1U
+#define __ICACHE_PRESENT          1U        /* Instruction Cache present */
+#define __DCACHE_PRESENT          1U        /* Data Cache present */
+#define __DTCM_PRESENT            1U        /* Data Tightly Coupled Memory present */
 
 #include "core_cm7.h"                       /* Processor and core peripherals */
 #include "system_ARMCM7.h"                  /* System Header */
diff --git a/Device/ARM/ARMCM7/Include/ARMCM7_DP.h b/Device/ARM/ARMCM7/Include/ARMCM7_DP.h
index d1626fa..f26f951 100644
--- a/Device/ARM/ARMCM7/Include/ARMCM7_DP.h
+++ b/Device/ARM/ARMCM7/Include/ARMCM7_DP.h
@@ -2,11 +2,11 @@
  * @file     ARMCM7_DP.h
  * @brief    CMSIS Core Peripheral Access Layer Header File for
  *           ARMCM7 Device (configured for CM7 with double precision FPU)
- * @version  V5.3.1
- * @date     09. July 2018
+ * @version  V5.3.2
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -96,9 +96,9 @@
 #define __Vendor_SysTickConfig    0U        /* Set to 1 if different SysTick Config is used */
 #define __FPU_PRESENT             1U        /* FPU present */
 #define __FPU_DP                  1U        /* double precision FPU */
-#define __ICACHE_PRESENT          1U
-#define __DCACHE_PRESENT          1U
-#define __DTCM_PRESENT            1U
+#define __ICACHE_PRESENT          1U        /* Instruction Cache present */
+#define __DCACHE_PRESENT          1U        /* Data Cache present */
+#define __DTCM_PRESENT            1U        /* Data Tightly Coupled Memory present */
 
 #include "core_cm7.h"                       /* Processor and core peripherals */
 #include "system_ARMCM7.h"                  /* System Header */
diff --git a/Device/ARM/ARMCM7/Include/ARMCM7_SP.h b/Device/ARM/ARMCM7/Include/ARMCM7_SP.h
index c993210..52bfeb6 100644
--- a/Device/ARM/ARMCM7/Include/ARMCM7_SP.h
+++ b/Device/ARM/ARMCM7/Include/ARMCM7_SP.h
@@ -2,11 +2,11 @@
  * @file     ARMCM7_SP.h
  * @brief    CMSIS Core Peripheral Access Layer Header File for
  *           ARMCM7 Device (configured for CM7 with single precision FPU)
- * @version  V5.3.1
- * @date     09. July 2018
+ * @version  V5.3.2
+ * @date     27. March 2020
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -96,9 +96,9 @@
 #define __Vendor_SysTickConfig    0U        /* Set to 1 if different SysTick Config is used */
 #define __FPU_PRESENT             1U        /* FPU present */
 #define __FPU_DP                  0U        /* single precision FPU */
-#define __ICACHE_PRESENT          1U
-#define __DCACHE_PRESENT          1U
-#define __DTCM_PRESENT            1U
+#define __ICACHE_PRESENT          1U        /* Instruction Cache present */
+#define __DCACHE_PRESENT          1U        /* Data Cache present */
+#define __DTCM_PRESENT            1U        /* Data Tightly Coupled Memory present */
 
 #include "core_cm7.h"                       /* Processor and core peripherals */
 #include "system_ARMCM7.h"                  /* System Header */
diff --git a/Device/ARM/ARMv81MML/Include/ARMv81MML_DSP_DP_MVE_FP.h b/Device/ARM/ARMv81MML/Include/ARMv81MML_DSP_DP_MVE_FP.h
index a97d7db..b1f2817 100644
--- a/Device/ARM/ARMv81MML/Include/ARMv81MML_DSP_DP_MVE_FP.h
+++ b/Device/ARM/ARMv81MML/Include/ARMv81MML_DSP_DP_MVE_FP.h
@@ -3,7 +3,7 @@
  * @brief    CMSIS Core Peripheral Access Layer Header File for
  *           Armv8.1-M Mainline Device Series (configured for Armv8.1-M Mainline with double precision FPU, with DSP extension, with TrustZone)
  * @version  V1.1.0
- * @date     03. March 2020
+ * @date     27. March 2020
  ******************************************************************************/
 /*
  * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
@@ -100,8 +100,8 @@
 #define __FPU_PRESENT             1U        /* FPU present */
 #define __FPU_DP                  1U        /* double precision FPU */
 #define __DSP_PRESENT             1U        /* DSP extension present */
-#define __ICACHE_PRESENT          1U
-#define __DCACHE_PRESENT          1U
+#define __ICACHE_PRESENT          1U        /* Instruction Cache present */
+#define __DCACHE_PRESENT          1U        /* Data Cache present */
 
 #include "core_armv81mml.h"                 /* Processor and core peripherals */
 #include "system_ARMv81MML.h"               /* System Header */