first conversion attempt
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@ -1,11 +1,11 @@
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/******************************************************************************
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* @file mpu_armv7.h
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* @brief CMSIS MPU API for Armv7-M MPU
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* @version V5.0.4
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* @date 10. January 2018
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* @version V5.1.0
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* @date 08. March 2019
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******************************************************************************/
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/*
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* Copyright (c) 2017-2018 Arm Limited. All rights reserved.
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* Copyright (c) 2017-2019 Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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@ -86,10 +86,10 @@
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* \param IsBufferable Region is bufferable, i.e. using write-back caching. Cacheable but non-bufferable regions use write-through policy.
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*/
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#define ARM_MPU_ACCESS_(TypeExtField, IsShareable, IsCacheable, IsBufferable) \
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((((TypeExtField ) << MPU_RASR_TEX_Pos) & MPU_RASR_TEX_Msk) | \
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(((IsShareable ) << MPU_RASR_S_Pos) & MPU_RASR_S_Msk) | \
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(((IsCacheable ) << MPU_RASR_C_Pos) & MPU_RASR_C_Msk) | \
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(((IsBufferable ) << MPU_RASR_B_Pos) & MPU_RASR_B_Msk))
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((((TypeExtField) << MPU_RASR_TEX_Pos) & MPU_RASR_TEX_Msk) | \
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(((IsShareable) << MPU_RASR_S_Pos) & MPU_RASR_S_Msk) | \
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(((IsCacheable) << MPU_RASR_C_Pos) & MPU_RASR_C_Msk) | \
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(((IsBufferable) << MPU_RASR_B_Pos) & MPU_RASR_B_Msk))
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/**
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* MPU Region Attribute and Size Register Value
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@ -100,11 +100,14 @@
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* \param SubRegionDisable Sub-region disable field.
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* \param Size Region size of the region to be configured, for example 4K, 8K.
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*/
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#define ARM_MPU_RASR_EX(DisableExec, AccessPermission, AccessAttributes, SubRegionDisable, Size) \
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((((DisableExec ) << MPU_RASR_XN_Pos) & MPU_RASR_XN_Msk) | \
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(((AccessPermission) << MPU_RASR_AP_Pos) & MPU_RASR_AP_Msk) | \
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(((AccessAttributes) ) & (MPU_RASR_TEX_Msk | MPU_RASR_S_Msk | MPU_RASR_C_Msk | MPU_RASR_B_Msk)))
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#define ARM_MPU_RASR_EX(DisableExec, AccessPermission, AccessAttributes, SubRegionDisable, Size) \
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((((DisableExec) << MPU_RASR_XN_Pos) & MPU_RASR_XN_Msk) | \
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(((AccessPermission) << MPU_RASR_AP_Pos) & MPU_RASR_AP_Msk) | \
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(((AccessAttributes) & (MPU_RASR_TEX_Msk | MPU_RASR_S_Msk | MPU_RASR_C_Msk | MPU_RASR_B_Msk))) | \
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(((SubRegionDisable) << MPU_RASR_SRD_Pos) & MPU_RASR_SRD_Msk) | \
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(((Size) << MPU_RASR_SIZE_Pos) & MPU_RASR_SIZE_Msk) | \
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(((MPU_RASR_ENABLE_Msk))))
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/**
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* MPU Region Attribute and Size Register Value
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*
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@ -131,7 +134,7 @@
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/**
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* MPU Memory Access Attribute for device memory.
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* - TEX: 000b (if non-shareable) or 010b (if shareable)
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* - TEX: 000b (if shareable) or 010b (if non-shareable)
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* - Shareable or non-shareable
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* - Non-cacheable
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* - Bufferable (if shareable) or non-bufferable (if non-shareable)
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@ -187,20 +190,19 @@ typedef struct {
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*/
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__STATIC_INLINE void ARM_MPU_Enable(uint32_t MPU_Control)
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{
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__DSB();
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__ISB();
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MPU->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
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#ifdef SCB_SHCSR_MEMFAULTENA_Msk
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SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
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#endif
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__DSB();
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__ISB();
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}
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/** Disable the MPU.
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*/
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__STATIC_INLINE void ARM_MPU_Disable(void)
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{
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__DSB();
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__ISB();
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__DMB();
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#ifdef SCB_SHCSR_MEMFAULTENA_Msk
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SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
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#endif
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@ -243,7 +245,7 @@ __STATIC_INLINE void ARM_MPU_SetRegionEx(uint32_t rnr, uint32_t rbar, uint32_t r
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* \param src Source data is copied from.
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* \param len Amount of data words to be copied.
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*/
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__STATIC_INLINE void orderedCpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
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__STATIC_INLINE void ARM_MPU_OrderedMemcpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
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{
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uint32_t i;
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for (i = 0U; i < len; ++i)
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@ -260,11 +262,11 @@ __STATIC_INLINE void ARM_MPU_Load(ARM_MPU_Region_t const* table, uint32_t cnt)
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{
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const uint32_t rowWordSize = sizeof(ARM_MPU_Region_t)/4U;
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while (cnt > MPU_TYPE_RALIASES) {
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orderedCpy(&(MPU->RBAR), &(table->RBAR), MPU_TYPE_RALIASES*rowWordSize);
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ARM_MPU_OrderedMemcpy(&(MPU->RBAR), &(table->RBAR), MPU_TYPE_RALIASES*rowWordSize);
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table += MPU_TYPE_RALIASES;
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cnt -= MPU_TYPE_RALIASES;
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}
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orderedCpy(&(MPU->RBAR), &(table->RBAR), cnt*rowWordSize);
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ARM_MPU_OrderedMemcpy(&(MPU->RBAR), &(table->RBAR), cnt*rowWordSize);
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}
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#endif
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