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ARM_MPU_RASR_EX macro
MPU Region Attribute and Size Register Value
Syntax
#define ARM_MPU_RASR_EX(DisableExec, AccessPermission, AccessAttributes, SubRegionDisable, Size) \
((((DisableExec) << MPU_RASR_XN_Pos) & MPU_RASR_XN_Msk) | \
(((AccessPermission) << MPU_RASR_AP_Pos) & MPU_RASR_AP_Msk) | \
(((AccessAttributes) & (MPU_RASR_TEX_Msk | MPU_RASR_S_Msk | MPU_RASR_C_Msk | MPU_RASR_B_Msk))) | \
(((SubRegionDisable) << MPU_RASR_SRD_Pos) & MPU_RASR_SRD_Msk) | \
(((Size) << MPU_RASR_SIZE_Pos) & MPU_RASR_SIZE_Msk) | \
(((MPU_RASR_ENABLE_Msk))))
Arguments
Argument
Description
DisableExec
Instruction access disable bit, 1= disable instruction fetches.
AccessPermission
Data access permissions, allows you to configure read/write access for User and Privileged mode.
AccessAttributes
Memory access attribution, see ![]()
ARM_MPU_ACCESS_
.
SubRegionDisable
Sub-region disable field.
Size
Region size of the region to be configured, for example 4K, 8K.