Floating-point Status and Control Register (FPSCR)

Provides floating-point system status information and control. More...

Content
	FPSCR Bits
	Bit position and mask macros.

Data Structures
struct	FPSCR_Type
	Bit field declaration for FPSCR layout. More...

Functions
__STATIC_FORCEINLINE uint32_t	__get_FPSCR (void)
	Get FPSCR.
__STATIC_FORCEINLINE void	__set_FPSCR (uint32_t fpscr)
	Set FPSCR.

Description

Provides floating-point system status information and control.

Bits	Name	Function
[31]	N	Negative condition flag.
[30]	Z	Zero condition flag.
[29]	C	Carry condition flag.
[28]	V	Overflow condition flag.
[27]	QC	External abort pending bit.
[26]	AHP	External abort pending bit.
[25]	DN	External abort pending bit.
[24]	FZ	External abort pending bit.
[23:22]	RMode	External abort pending bit.
[21:20]	Stride	External abort pending bit.
[19]	-	Reserved.
[18:16]	Len	External abort pending bit.
[15]	IDE	IRQ pending bit.
[14:13]	-	Reserved.
[12]	IXE	IRQ pending bit.
[11]	UFE	IRQ pending bit.
[10]	OFE	IRQ pending bit.
[9]	DZE	IRQ pending bit.
[8]	IOE	IRQ pending bit.
[7]	IDC	IRQ pending bit.
[6:5]	-	Reserved.
[4]	IXC	FIQ pending bit.
[3]	UFC	FIQ pending bit.
[2]	OFC	FIQ pending bit.
[1]	DZC	FIQ pending bit.
[0]	IOC	FIQ pending bit.

Consider __get_FPSCR and __set_FPSCR to access this register.

Function Documentation

__get_FPSCR()

__STATIC_INLINE uint32_t __get_FPSCR

(

void

)

Get FPSCR.

Returns the current value of the Floating Point Status/Control register.

Returns

Floating Point Status/Control register value

This function returns the current value of the Floating-point Status and Control Register (FPSCR).

__set_FPSCR()

__STATIC_INLINE void __set_FPSCR

(

uint32_t

fpscr

)

Set FPSCR.

Assigns the given value to the Floating Point Status/Control register.

Parameters

[in]

fpscr

Floating Point Status/Control value to set

Assigns the given value to the Floating-point Status and Control Register (FPSCR).