1 files changed, 346 insertions, 352 deletions
diff --git a/Drivers/CMSIS/Include/mpu_armv8.h b/Drivers/CMSIS/Include/mpu_armv8.h
index 3de16ef..2fe28b6 100644
--- a/Drivers/CMSIS/Include/mpu_armv8.h
+++ b/Drivers/CMSIS/Include/mpu_armv8.h
@@ -1,352 +1,346 @@
-/******************************************************************************
- * @file     mpu_armv8.h
- * @brief    CMSIS MPU API for Armv8-M and Armv8.1-M MPU
- * @version  V5.1.3
- * @date     03. February 2021
- ******************************************************************************/
-/*
- * Copyright (c) 2017-2021 Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#if   defined ( __ICCARM__ )
-  #pragma system_include         /* treat file as system include file for MISRA check */
-#elif defined (__clang__)
-  #pragma clang system_header    /* treat file as system include file */
-#endif
-
-#ifndef ARM_MPU_ARMV8_H
-#define ARM_MPU_ARMV8_H
-
-/** \brief Attribute for device memory (outer only) */
-#define ARM_MPU_ATTR_DEVICE                           ( 0U )
-
-/** \brief Attribute for non-cacheable, normal memory */
-#define ARM_MPU_ATTR_NON_CACHEABLE                    ( 4U )
-
-/** \brief Attribute for normal memory (outer and inner)
-* \param NT Non-Transient: Set to 1 for non-transient data.
-* \param WB Write-Back: Set to 1 to use write-back update policy.
-* \param RA Read Allocation: Set to 1 to use cache allocation on read miss.
-* \param WA Write Allocation: Set to 1 to use cache allocation on write miss.
-*/
-#define ARM_MPU_ATTR_MEMORY_(NT, WB, RA, WA) \
-  ((((NT) & 1U) << 3U) | (((WB) & 1U) << 2U) | (((RA) & 1U) << 1U) | ((WA) & 1U))
-
-/** \brief Device memory type non Gathering, non Re-ordering, non Early Write Acknowledgement */
-#define ARM_MPU_ATTR_DEVICE_nGnRnE (0U)
-
-/** \brief Device memory type non Gathering, non Re-ordering, Early Write Acknowledgement */
-#define ARM_MPU_ATTR_DEVICE_nGnRE  (1U)
-
-/** \brief Device memory type non Gathering, Re-ordering, Early Write Acknowledgement */
-#define ARM_MPU_ATTR_DEVICE_nGRE   (2U)
-
-/** \brief Device memory type Gathering, Re-ordering, Early Write Acknowledgement */
-#define ARM_MPU_ATTR_DEVICE_GRE    (3U)
-
-/** \brief Memory Attribute
-* \param O Outer memory attributes
-* \param I O == ARM_MPU_ATTR_DEVICE: Device memory attributes, else: Inner memory attributes
-*/
-#define ARM_MPU_ATTR(O, I) ((((O) & 0xFU) << 4U) | ((((O) & 0xFU) != 0U) ? ((I) & 0xFU) : (((I) & 0x3U) << 2U)))
-
-/** \brief Normal memory non-shareable  */
-#define ARM_MPU_SH_NON   (0U)
-
-/** \brief Normal memory outer shareable  */
-#define ARM_MPU_SH_OUTER (2U)
-
-/** \brief Normal memory inner shareable  */
-#define ARM_MPU_SH_INNER (3U)
-
-/** \brief Memory access permissions
-* \param RO Read-Only: Set to 1 for read-only memory.
-* \param NP Non-Privileged: Set to 1 for non-privileged memory.
-*/
-#define ARM_MPU_AP_(RO, NP) ((((RO) & 1U) << 1U) | ((NP) & 1U))
-
-/** \brief Region Base Address Register value
-* \param BASE The base address bits [31:5] of a memory region. The value is zero extended. Effective address gets 32 byte aligned.
-* \param SH Defines the Shareability domain for this memory region.
-* \param RO Read-Only: Set to 1 for a read-only memory region.
-* \param NP Non-Privileged: Set to 1 for a non-privileged memory region.
-* \oaram XN eXecute Never: Set to 1 for a non-executable memory region.
-*/
-#define ARM_MPU_RBAR(BASE, SH, RO, NP, XN) \
-  (((BASE) & MPU_RBAR_BASE_Msk) | \
-  (((SH) << MPU_RBAR_SH_Pos) & MPU_RBAR_SH_Msk) | \
-  ((ARM_MPU_AP_(RO, NP) << MPU_RBAR_AP_Pos) & MPU_RBAR_AP_Msk) | \
-  (((XN) << MPU_RBAR_XN_Pos) & MPU_RBAR_XN_Msk))
-
-/** \brief Region Limit Address Register value
-* \param LIMIT The limit address bits [31:5] for this memory region. The value is one extended.
-* \param IDX The attribute index to be associated with this memory region.
-*/
-#define ARM_MPU_RLAR(LIMIT, IDX) \
-  (((LIMIT) & MPU_RLAR_LIMIT_Msk) | \
-  (((IDX) << MPU_RLAR_AttrIndx_Pos) & MPU_RLAR_AttrIndx_Msk) | \
-  (MPU_RLAR_EN_Msk))
-
-#if defined(MPU_RLAR_PXN_Pos)
-  
-/** \brief Region Limit Address Register with PXN value
-* \param LIMIT The limit address bits [31:5] for this memory region. The value is one extended.
-* \param PXN Privileged execute never. Defines whether code can be executed from this privileged region.
-* \param IDX The attribute index to be associated with this memory region.
-*/
-#define ARM_MPU_RLAR_PXN(LIMIT, PXN, IDX) \
-  (((LIMIT) & MPU_RLAR_LIMIT_Msk) | \
-  (((PXN) << MPU_RLAR_PXN_Pos) & MPU_RLAR_PXN_Msk) | \
-  (((IDX) << MPU_RLAR_AttrIndx_Pos) & MPU_RLAR_AttrIndx_Msk) | \
-  (MPU_RLAR_EN_Msk))
-  
-#endif
-
-/**
-* Struct for a single MPU Region
-*/
-typedef struct {
-  uint32_t RBAR;                   /*!< Region Base Address Register value */
-  uint32_t RLAR;                   /*!< Region Limit Address Register value */
-} ARM_MPU_Region_t;
-    
-/** Enable the MPU.
-* \param MPU_Control Default access permissions for unconfigured regions.
-*/
-__STATIC_INLINE void ARM_MPU_Enable(uint32_t MPU_Control)
-{
-  __DMB();
-  MPU->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
-#ifdef SCB_SHCSR_MEMFAULTENA_Msk
-  SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
-#endif
-  __DSB();
-  __ISB();
-}
-
-/** Disable the MPU.
-*/
-__STATIC_INLINE void ARM_MPU_Disable(void)
-{
-  __DMB();
-#ifdef SCB_SHCSR_MEMFAULTENA_Msk
-  SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
-#endif
-  MPU->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
-  __DSB();
-  __ISB();
-}
-
-#ifdef MPU_NS
-/** Enable the Non-secure MPU.
-* \param MPU_Control Default access permissions for unconfigured regions.
-*/
-__STATIC_INLINE void ARM_MPU_Enable_NS(uint32_t MPU_Control)
-{
-  __DMB();
-  MPU_NS->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
-#ifdef SCB_SHCSR_MEMFAULTENA_Msk
-  SCB_NS->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
-#endif
-  __DSB();
-  __ISB();
-}
-
-/** Disable the Non-secure MPU.
-*/
-__STATIC_INLINE void ARM_MPU_Disable_NS(void)
-{
-  __DMB();
-#ifdef SCB_SHCSR_MEMFAULTENA_Msk
-  SCB_NS->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
-#endif
-  MPU_NS->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
-  __DSB();
-  __ISB();
-}
-#endif
-
-/** Set the memory attribute encoding to the given MPU.
-* \param mpu Pointer to the MPU to be configured.
-* \param idx The attribute index to be set [0-7]
-* \param attr The attribute value to be set.
-*/
-__STATIC_INLINE void ARM_MPU_SetMemAttrEx(MPU_Type* mpu, uint8_t idx, uint8_t attr)
-{
-  const uint8_t reg = idx / 4U;
-  const uint32_t pos = ((idx % 4U) * 8U);
-  const uint32_t mask = 0xFFU << pos;
-  
-  if (reg >= (sizeof(mpu->MAIR) / sizeof(mpu->MAIR[0]))) {
-    return; // invalid index
-  }
-  
-  mpu->MAIR[reg] = ((mpu->MAIR[reg] & ~mask) | ((attr << pos) & mask));
-}
-
-/** Set the memory attribute encoding.
-* \param idx The attribute index to be set [0-7]
-* \param attr The attribute value to be set.
-*/
-__STATIC_INLINE void ARM_MPU_SetMemAttr(uint8_t idx, uint8_t attr)
-{
-  ARM_MPU_SetMemAttrEx(MPU, idx, attr);
-}
-
-#ifdef MPU_NS
-/** Set the memory attribute encoding to the Non-secure MPU.
-* \param idx The attribute index to be set [0-7]
-* \param attr The attribute value to be set.
-*/
-__STATIC_INLINE void ARM_MPU_SetMemAttr_NS(uint8_t idx, uint8_t attr)
-{
-  ARM_MPU_SetMemAttrEx(MPU_NS, idx, attr);
-}
-#endif
-
-/** Clear and disable the given MPU region of the given MPU.
-* \param mpu Pointer to MPU to be used.
-* \param rnr Region number to be cleared.
-*/
-__STATIC_INLINE void ARM_MPU_ClrRegionEx(MPU_Type* mpu, uint32_t rnr)
-{
-  mpu->RNR = rnr;
-  mpu->RLAR = 0U;
-}
-
-/** Clear and disable the given MPU region.
-* \param rnr Region number to be cleared.
-*/
-__STATIC_INLINE void ARM_MPU_ClrRegion(uint32_t rnr)
-{
-  ARM_MPU_ClrRegionEx(MPU, rnr);
-}
-
-#ifdef MPU_NS
-/** Clear and disable the given Non-secure MPU region.
-* \param rnr Region number to be cleared.
-*/
-__STATIC_INLINE void ARM_MPU_ClrRegion_NS(uint32_t rnr)
-{  
-  ARM_MPU_ClrRegionEx(MPU_NS, rnr);
-}
-#endif
-
-/** Configure the given MPU region of the given MPU.
-* \param mpu Pointer to MPU to be used.
-* \param rnr Region number to be configured.
-* \param rbar Value for RBAR register.
-* \param rlar Value for RLAR register.
-*/   
-__STATIC_INLINE void ARM_MPU_SetRegionEx(MPU_Type* mpu, uint32_t rnr, uint32_t rbar, uint32_t rlar)
-{
-  mpu->RNR = rnr;
-  mpu->RBAR = rbar;
-  mpu->RLAR = rlar;
-}
-
-/** Configure the given MPU region.
-* \param rnr Region number to be configured.
-* \param rbar Value for RBAR register.
-* \param rlar Value for RLAR register.
-*/   
-__STATIC_INLINE void ARM_MPU_SetRegion(uint32_t rnr, uint32_t rbar, uint32_t rlar)
-{
-  ARM_MPU_SetRegionEx(MPU, rnr, rbar, rlar);
-}
-
-#ifdef MPU_NS
-/** Configure the given Non-secure MPU region.
-* \param rnr Region number to be configured.
-* \param rbar Value for RBAR register.
-* \param rlar Value for RLAR register.
-*/   
-__STATIC_INLINE void ARM_MPU_SetRegion_NS(uint32_t rnr, uint32_t rbar, uint32_t rlar)
-{
-  ARM_MPU_SetRegionEx(MPU_NS, rnr, rbar, rlar);  
-}
-#endif
-
-/** Memcpy with strictly ordered memory access, e.g. used by code in ARM_MPU_LoadEx()
-* \param dst Destination data is copied to.
-* \param src Source data is copied from.
-* \param len Amount of data words to be copied.
-*/
-__STATIC_INLINE void ARM_MPU_OrderedMemcpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
-{
-  uint32_t i;
-  for (i = 0U; i < len; ++i) 
-  {
-    dst[i] = src[i];
-  }
-}
-
-/** Load the given number of MPU regions from a table to the given MPU.
-* \param mpu Pointer to the MPU registers to be used.
-* \param rnr First region number to be configured.
-* \param table Pointer to the MPU configuration table.
-* \param cnt Amount of regions to be configured.
-*/
-__STATIC_INLINE void ARM_MPU_LoadEx(MPU_Type* mpu, uint32_t rnr, ARM_MPU_Region_t const* table, uint32_t cnt) 
-{
-  const uint32_t rowWordSize = sizeof(ARM_MPU_Region_t)/4U;
-  if (cnt == 1U) {
-    mpu->RNR = rnr;
-    ARM_MPU_OrderedMemcpy(&(mpu->RBAR), &(table->RBAR), rowWordSize);
-  } else {
-    uint32_t rnrBase   = rnr & ~(MPU_TYPE_RALIASES-1U);
-    uint32_t rnrOffset = rnr % MPU_TYPE_RALIASES;
-    
-    mpu->RNR = rnrBase;
-    while ((rnrOffset + cnt) > MPU_TYPE_RALIASES) {
-      uint32_t c = MPU_TYPE_RALIASES - rnrOffset;
-      ARM_MPU_OrderedMemcpy(&(mpu->RBAR)+(rnrOffset*2U), &(table->RBAR), c*rowWordSize);
-      table += c;
-      cnt -= c;
-      rnrOffset = 0U;
-      rnrBase += MPU_TYPE_RALIASES;
-      mpu->RNR = rnrBase;
-    }
-    
-    ARM_MPU_OrderedMemcpy(&(mpu->RBAR)+(rnrOffset*2U), &(table->RBAR), cnt*rowWordSize);
-  }
-}
-
-/** Load the given number of MPU regions from a table.
-* \param rnr First region number to be configured.
-* \param table Pointer to the MPU configuration table.
-* \param cnt Amount of regions to be configured.
-*/
-__STATIC_INLINE void ARM_MPU_Load(uint32_t rnr, ARM_MPU_Region_t const* table, uint32_t cnt) 
-{
-  ARM_MPU_LoadEx(MPU, rnr, table, cnt);
-}
-
-#ifdef MPU_NS
-/** Load the given number of MPU regions from a table to the Non-secure MPU.
-* \param rnr First region number to be configured.
-* \param table Pointer to the MPU configuration table.
-* \param cnt Amount of regions to be configured.
-*/
-__STATIC_INLINE void ARM_MPU_Load_NS(uint32_t rnr, ARM_MPU_Region_t const* table, uint32_t cnt) 
-{
-  ARM_MPU_LoadEx(MPU_NS, rnr, table, cnt);
-}
-#endif
-
-#endif
-
+/******************************************************************************
+ * @file     mpu_armv8.h
+ * @brief    CMSIS MPU API for Armv8-M and Armv8.1-M MPU
+ * @version  V5.1.0
+ * @date     08. March 2019
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017-2019 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if   defined ( __ICCARM__ )
+  #pragma system_include         /* treat file as system include file for MISRA check */
+#elif defined (__clang__)
+  #pragma clang system_header    /* treat file as system include file */
+#endif
+
+#ifndef ARM_MPU_ARMV8_H
+#define ARM_MPU_ARMV8_H
+
+/** \brief Attribute for device memory (outer only) */
+#define ARM_MPU_ATTR_DEVICE                           ( 0U )
+
+/** \brief Attribute for non-cacheable, normal memory */
+#define ARM_MPU_ATTR_NON_CACHEABLE                    ( 4U )
+
+/** \brief Attribute for normal memory (outer and inner)
+* \param NT Non-Transient: Set to 1 for non-transient data.
+* \param WB Write-Back: Set to 1 to use write-back update policy.
+* \param RA Read Allocation: Set to 1 to use cache allocation on read miss.
+* \param WA Write Allocation: Set to 1 to use cache allocation on write miss.
+*/
+#define ARM_MPU_ATTR_MEMORY_(NT, WB, RA, WA) \
+  (((NT & 1U) << 3U) | ((WB & 1U) << 2U) | ((RA & 1U) << 1U) | (WA & 1U))
+
+/** \brief Device memory type non Gathering, non Re-ordering, non Early Write Acknowledgement */
+#define ARM_MPU_ATTR_DEVICE_nGnRnE (0U)
+
+/** \brief Device memory type non Gathering, non Re-ordering, Early Write Acknowledgement */
+#define ARM_MPU_ATTR_DEVICE_nGnRE  (1U)
+
+/** \brief Device memory type non Gathering, Re-ordering, Early Write Acknowledgement */
+#define ARM_MPU_ATTR_DEVICE_nGRE   (2U)
+
+/** \brief Device memory type Gathering, Re-ordering, Early Write Acknowledgement */
+#define ARM_MPU_ATTR_DEVICE_GRE    (3U)
+
+/** \brief Memory Attribute
+* \param O Outer memory attributes
+* \param I O == ARM_MPU_ATTR_DEVICE: Device memory attributes, else: Inner memory attributes
+*/
+#define ARM_MPU_ATTR(O, I) (((O & 0xFU) << 4U) | (((O & 0xFU) != 0U) ? (I & 0xFU) : ((I & 0x3U) << 2U)))
+
+/** \brief Normal memory non-shareable  */
+#define ARM_MPU_SH_NON   (0U)
+
+/** \brief Normal memory outer shareable  */
+#define ARM_MPU_SH_OUTER (2U)
+
+/** \brief Normal memory inner shareable  */
+#define ARM_MPU_SH_INNER (3U)
+
+/** \brief Memory access permissions
+* \param RO Read-Only: Set to 1 for read-only memory.
+* \param NP Non-Privileged: Set to 1 for non-privileged memory.
+*/
+#define ARM_MPU_AP_(RO, NP) (((RO & 1U) << 1U) | (NP & 1U))
+
+/** \brief Region Base Address Register value
+* \param BASE The base address bits [31:5] of a memory region. The value is zero extended. Effective address gets 32 byte aligned.
+* \param SH Defines the Shareability domain for this memory region.
+* \param RO Read-Only: Set to 1 for a read-only memory region.
+* \param NP Non-Privileged: Set to 1 for a non-privileged memory region.
+* \oaram XN eXecute Never: Set to 1 for a non-executable memory region.
+*/
+#define ARM_MPU_RBAR(BASE, SH, RO, NP, XN) \
+  ((BASE & MPU_RBAR_BASE_Msk) | \
+  ((SH << MPU_RBAR_SH_Pos) & MPU_RBAR_SH_Msk) | \
+  ((ARM_MPU_AP_(RO, NP) << MPU_RBAR_AP_Pos) & MPU_RBAR_AP_Msk) | \
+  ((XN << MPU_RBAR_XN_Pos) & MPU_RBAR_XN_Msk))
+
+/** \brief Region Limit Address Register value
+* \param LIMIT The limit address bits [31:5] for this memory region. The value is one extended.
+* \param IDX The attribute index to be associated with this memory region.
+*/
+#define ARM_MPU_RLAR(LIMIT, IDX) \
+  ((LIMIT & MPU_RLAR_LIMIT_Msk) | \
+  ((IDX << MPU_RLAR_AttrIndx_Pos) & MPU_RLAR_AttrIndx_Msk) | \
+  (MPU_RLAR_EN_Msk))
+
+#if defined(MPU_RLAR_PXN_Pos)
+  
+/** \brief Region Limit Address Register with PXN value
+* \param LIMIT The limit address bits [31:5] for this memory region. The value is one extended.
+* \param PXN Privileged execute never. Defines whether code can be executed from this privileged region.
+* \param IDX The attribute index to be associated with this memory region.
+*/
+#define ARM_MPU_RLAR_PXN(LIMIT, PXN, IDX) \
+  ((LIMIT & MPU_RLAR_LIMIT_Msk) | \
+  ((PXN << MPU_RLAR_PXN_Pos) & MPU_RLAR_PXN_Msk) | \
+  ((IDX << MPU_RLAR_AttrIndx_Pos) & MPU_RLAR_AttrIndx_Msk) | \
+  (MPU_RLAR_EN_Msk))
+  
+#endif
+
+/**
+* Struct for a single MPU Region
+*/
+typedef struct {
+  uint32_t RBAR;                   /*!< Region Base Address Register value */
+  uint32_t RLAR;                   /*!< Region Limit Address Register value */
+} ARM_MPU_Region_t;
+    
+/** Enable the MPU.
+* \param MPU_Control Default access permissions for unconfigured regions.
+*/
+__STATIC_INLINE void ARM_MPU_Enable(uint32_t MPU_Control)
+{
+  MPU->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+  __DSB();
+  __ISB();
+}
+
+/** Disable the MPU.
+*/
+__STATIC_INLINE void ARM_MPU_Disable(void)
+{
+  __DMB();
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+  MPU->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
+}
+
+#ifdef MPU_NS
+/** Enable the Non-secure MPU.
+* \param MPU_Control Default access permissions for unconfigured regions.
+*/
+__STATIC_INLINE void ARM_MPU_Enable_NS(uint32_t MPU_Control)
+{
+  MPU_NS->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB_NS->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+  __DSB();
+  __ISB();
+}
+
+/** Disable the Non-secure MPU.
+*/
+__STATIC_INLINE void ARM_MPU_Disable_NS(void)
+{
+  __DMB();
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB_NS->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+  MPU_NS->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
+}
+#endif
+
+/** Set the memory attribute encoding to the given MPU.
+* \param mpu Pointer to the MPU to be configured.
+* \param idx The attribute index to be set [0-7]
+* \param attr The attribute value to be set.
+*/
+__STATIC_INLINE void ARM_MPU_SetMemAttrEx(MPU_Type* mpu, uint8_t idx, uint8_t attr)
+{
+  const uint8_t reg = idx / 4U;
+  const uint32_t pos = ((idx % 4U) * 8U);
+  const uint32_t mask = 0xFFU << pos;
+  
+  if (reg >= (sizeof(mpu->MAIR) / sizeof(mpu->MAIR[0]))) {
+    return; // invalid index
+  }
+  
+  mpu->MAIR[reg] = ((mpu->MAIR[reg] & ~mask) | ((attr << pos) & mask));
+}
+
+/** Set the memory attribute encoding.
+* \param idx The attribute index to be set [0-7]
+* \param attr The attribute value to be set.
+*/
+__STATIC_INLINE void ARM_MPU_SetMemAttr(uint8_t idx, uint8_t attr)
+{
+  ARM_MPU_SetMemAttrEx(MPU, idx, attr);
+}
+
+#ifdef MPU_NS
+/** Set the memory attribute encoding to the Non-secure MPU.
+* \param idx The attribute index to be set [0-7]
+* \param attr The attribute value to be set.
+*/
+__STATIC_INLINE void ARM_MPU_SetMemAttr_NS(uint8_t idx, uint8_t attr)
+{
+  ARM_MPU_SetMemAttrEx(MPU_NS, idx, attr);
+}
+#endif
+
+/** Clear and disable the given MPU region of the given MPU.
+* \param mpu Pointer to MPU to be used.
+* \param rnr Region number to be cleared.
+*/
+__STATIC_INLINE void ARM_MPU_ClrRegionEx(MPU_Type* mpu, uint32_t rnr)
+{
+  mpu->RNR = rnr;
+  mpu->RLAR = 0U;
+}
+
+/** Clear and disable the given MPU region.
+* \param rnr Region number to be cleared.
+*/
+__STATIC_INLINE void ARM_MPU_ClrRegion(uint32_t rnr)
+{
+  ARM_MPU_ClrRegionEx(MPU, rnr);
+}
+
+#ifdef MPU_NS
+/** Clear and disable the given Non-secure MPU region.
+* \param rnr Region number to be cleared.
+*/
+__STATIC_INLINE void ARM_MPU_ClrRegion_NS(uint32_t rnr)
+{  
+  ARM_MPU_ClrRegionEx(MPU_NS, rnr);
+}
+#endif
+
+/** Configure the given MPU region of the given MPU.
+* \param mpu Pointer to MPU to be used.
+* \param rnr Region number to be configured.
+* \param rbar Value for RBAR register.
+* \param rlar Value for RLAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegionEx(MPU_Type* mpu, uint32_t rnr, uint32_t rbar, uint32_t rlar)
+{
+  mpu->RNR = rnr;
+  mpu->RBAR = rbar;
+  mpu->RLAR = rlar;
+}
+
+/** Configure the given MPU region.
+* \param rnr Region number to be configured.
+* \param rbar Value for RBAR register.
+* \param rlar Value for RLAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegion(uint32_t rnr, uint32_t rbar, uint32_t rlar)
+{
+  ARM_MPU_SetRegionEx(MPU, rnr, rbar, rlar);
+}
+
+#ifdef MPU_NS
+/** Configure the given Non-secure MPU region.
+* \param rnr Region number to be configured.
+* \param rbar Value for RBAR register.
+* \param rlar Value for RLAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegion_NS(uint32_t rnr, uint32_t rbar, uint32_t rlar)
+{
+  ARM_MPU_SetRegionEx(MPU_NS, rnr, rbar, rlar);  
+}
+#endif
+
+/** Memcopy with strictly ordered memory access, e.g. for register targets.
+* \param dst Destination data is copied to.
+* \param src Source data is copied from.
+* \param len Amount of data words to be copied.
+*/
+__STATIC_INLINE void ARM_MPU_OrderedMemcpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
+{
+  uint32_t i;
+  for (i = 0U; i < len; ++i) 
+  {
+    dst[i] = src[i];
+  }
+}
+
+/** Load the given number of MPU regions from a table to the given MPU.
+* \param mpu Pointer to the MPU registers to be used.
+* \param rnr First region number to be configured.
+* \param table Pointer to the MPU configuration table.
+* \param cnt Amount of regions to be configured.
+*/
+__STATIC_INLINE void ARM_MPU_LoadEx(MPU_Type* mpu, uint32_t rnr, ARM_MPU_Region_t const* table, uint32_t cnt) 
+{
+  const uint32_t rowWordSize = sizeof(ARM_MPU_Region_t)/4U;
+  if (cnt == 1U) {
+    mpu->RNR = rnr;
+    ARM_MPU_OrderedMemcpy(&(mpu->RBAR), &(table->RBAR), rowWordSize);
+  } else {
+    uint32_t rnrBase   = rnr & ~(MPU_TYPE_RALIASES-1U);
+    uint32_t rnrOffset = rnr % MPU_TYPE_RALIASES;
+    
+    mpu->RNR = rnrBase;
+    while ((rnrOffset + cnt) > MPU_TYPE_RALIASES) {
+      uint32_t c = MPU_TYPE_RALIASES - rnrOffset;
+      ARM_MPU_OrderedMemcpy(&(mpu->RBAR)+(rnrOffset*2U), &(table->RBAR), c*rowWordSize);
+      table += c;
+      cnt -= c;
+      rnrOffset = 0U;
+      rnrBase += MPU_TYPE_RALIASES;
+      mpu->RNR = rnrBase;
+    }
+    
+    ARM_MPU_OrderedMemcpy(&(mpu->RBAR)+(rnrOffset*2U), &(table->RBAR), cnt*rowWordSize);
+  }
+}
+
+/** Load the given number of MPU regions from a table.
+* \param rnr First region number to be configured.
+* \param table Pointer to the MPU configuration table.
+* \param cnt Amount of regions to be configured.
+*/
+__STATIC_INLINE void ARM_MPU_Load(uint32_t rnr, ARM_MPU_Region_t const* table, uint32_t cnt) 
+{
+  ARM_MPU_LoadEx(MPU, rnr, table, cnt);
+}
+
+#ifdef MPU_NS
+/** Load the given number of MPU regions from a table to the Non-secure MPU.
+* \param rnr First region number to be configured.
+* \param table Pointer to the MPU configuration table.
+* \param cnt Amount of regions to be configured.
+*/
+__STATIC_INLINE void ARM_MPU_Load_NS(uint32_t rnr, ARM_MPU_Region_t const* table, uint32_t cnt) 
+{
+  ARM_MPU_LoadEx(MPU_NS, rnr, table, cnt);
+}
+#endif
+
+#endif
+