Coprocessor Access Control Register (CPACR)

The CPACR controls access to coprocessors CP0 to CP13. More...

Content
	CPACR Bits
	Bit position and mask macros.
	CPACR CP field values
	Valid values for CPACR CP field.

Data Structures
struct	CPACR_Type
	Bit field declaration for CPACR layout. More...

Functions
__STATIC_FORCEINLINE uint32_t	__get_CPACR (void)
	Get CPACR. More...
__STATIC_FORCEINLINE void	__set_CPACR (uint32_t cpacr)
	Set CPACR. More...

Description

The CPACR characteristics are:

Bits	Name	Function
[31]	ASEDIS	Disable Advanced SIMD functionality.
[30]	D32DIS	Disable use of D16-D31 of the Floating-point Extension register file.
[29]	-	Reserved.
[28]	TRCDIS	Disable CP14 access to trace registers.
[27:26]	CP13	Access rights for coprocessor 13.
[25:24]	CP12	Access rights for coprocessor 12.
[23:22]	CP11	Access rights for coprocessor 11.
[21:20]	CP10	Access rights for coprocessor 10.
[19:18]	CP9	Access rights for coprocessor 9.
[17:16]	CP8	Access rights for coprocessor 8.
[15:14]	CP7	Access rights for coprocessor 7.
[13:12]	CP6	Access rights for coprocessor 6.
[11:10]	CP5	Access rights for coprocessor 5.
[9:8]	CP4	Access rights for coprocessor 4.
[7:6]	CP3	Access rights for coprocessor 3.
[5:4]	CP2	Access rights for coprocessor 2.
[3:2]	CP1	Access rights for coprocessor 1.
[1:0]	CP0	Access rights for coprocessor 0.

Consider __get_CPACR and __set_CPACR to access this register.

Function Documentation

__STATIC_INLINE uint32_t __get_CPACR

(

void

)

Returns

Coprocessor Access Control register value

This function returns the current value of the Coprocessor Access Control Register (CPACR).

__STATIC_INLINE void __set_CPACR

(

uint32_t

cpacr

)

Parameters

[in]

cpacr

Coprocessor Access Control value to set

This function assigns the given value to the Coprocessor Access Control Register (CPACR).