fpu.h File Reference

FPU support for SAM. More...

#include <compiler.h>

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Macros
#define	ADDR_CPACR   0xE000ED88
#define	REG_CPACR   (*((volatile uint32_t *)ADDR_CPACR))

Functions
static __always_inline void	fpu_disable (void)
	Disable FPU. More...
static __always_inline void	fpu_enable (void)
	Enable FPU. More...
static __always_inline bool	fpu_is_enabled (void)
	Check if FPU is enabled. More...

Detailed Description

FPU support for SAM.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

Definition in file fpu.h.

Macro Definition Documentation

ADDR_CPACR

#define ADDR_CPACR   0xE000ED88

Address for ARM CPACR

Definition at line 43 of file fpu.h.

REG_CPACR

#define REG_CPACR   (*((volatile uint32_t *)ADDR_CPACR))

CPACR Register

Definition at line 46 of file fpu.h.

Function Documentation

fpu_disable()

static __always_inline void fpu_disable ( void  )

static

Disable FPU.

Definition at line 64 of file fpu.h.

fpu_enable()

static __always_inline void fpu_enable ( void  )

static

Enable FPU.

Definition at line 51 of file fpu.h.

fpu_is_enabled()

static __always_inline bool fpu_is_enabled ( void  )

static

Check if FPU is enabled.

Returns

Return ture if FPU is enabled, otherwise return false.

Definition at line 79 of file fpu.h.