| CMSIS-Core (Cortex-A) CMSIS-Core support for Cortex-A processor-based devices |

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Macros
CPACR CP field values
Core Register Access » Coprocessor Access Control Register (CPACR)

Valid values for CPACR CP field. More...

## Macros
#define | CPACR_CP_NA 0U
| CPACR CPn field: Access denied.
#define | CPACR_CP_PL1 1U
| CPACR CPn field: Accessible from PL1 only.
#define | CPACR_CP_FA 3U
| CPACR CPn field: Full access.

## Description

Valid values for CPACR CP field.

Defines the access rights for a coprocessor.

## Macro Definition Documentation

## ◆ CPACR_CP_FA

#define CPACR_CP_FA 3U

CPACR CPn field: Full access.

The meaning of full access is defined by the appropriate coprocessor.

## ◆ CPACR_CP_NA

#define CPACR_CP_NA 0U

CPACR CPn field: Access denied.

Any attempt to access the coprocessor generates an Undefined Instruction exception.

## ◆ CPACR_CP_PL1

#define CPACR_CP_PL1 1U

CPACR CPn field: Accessible from PL1 only.

Any attempt to access the coprocessor from unprivileged software generates an Undefined Instruction exception.