fpu.c File Reference

#include <linux/sched.h>
#include <linux/signal.h>
#include <linux/io.h>
#include <cpu/fpu.h>
#include <asm/processor.h>
#include <asm/fpu.h>
#include <asm/traps.h>

Go to the source code of this file.

Macros
#define	FPSCR_RCHG   0x00000000

Functions
unsigned long long	float64_div (unsigned long long a, unsigned long long b)
unsigned long int	float32_div (unsigned long int a, unsigned long int b)
unsigned long long	float64_mul (unsigned long long a, unsigned long long b)
unsigned long int	float32_mul (unsigned long int a, unsigned long int b)
unsigned long long	float64_add (unsigned long long a, unsigned long long b)
unsigned long int	float32_add (unsigned long int a, unsigned long int b)
unsigned long long	float64_sub (unsigned long long a, unsigned long long b)
unsigned long int	float32_sub (unsigned long int a, unsigned long int b)
unsigned long int	float64_to_float32 (unsigned long long a)
void	save_fpu (struct task_struct *tsk)
void	restore_fpu (struct task_struct *tsk)
void	float_raise (unsigned int flags)
int	float_rounding_mode (void)
	BUILD_TRAP_HANDLER (fpu_error)

Macro Definition Documentation

#define FPSCR_RCHG   0x00000000

Definition at line 26 of file fpu.c.

Function Documentation

BUILD_TRAP_HANDLER

(

fpu_error

)

Definition at line 405 of file fpu.c.

unsigned long int float32_add	(	unsigned long int	a,
		unsigned long int	b
	)

unsigned long int float32_div	(	unsigned long int	a,
		unsigned long int	b
	)

unsigned long int float32_mul	(	unsigned long int	a,
		unsigned long int	b
	)

unsigned long int float32_sub	(	unsigned long int	a,
		unsigned long int	b
	)

float64 float64_add	(	unsigned long long	a,
		unsigned long long	b
	)

Definition at line 615 of file softfloat.c.

float64 float64_div	(	unsigned long long	a,
		unsigned long long	b
	)

Definition at line 716 of file softfloat.c.

float64 float64_mul	(	unsigned long long	a,
		unsigned long long	b
	)

Definition at line 865 of file softfloat.c.

float64 float64_sub	(	unsigned long long	a,
		unsigned long long	b
	)

Definition at line 573 of file softfloat.c.

float32 float64_to_float32

(

unsigned long long

a

)

Definition at line 912 of file softfloat.c.

void float_raise

(

unsigned int

flags

)

Definition at line 393 of file fpu.c.

int float_rounding_mode

(

void

)

Definition at line 398 of file fpu.c.

void restore_fpu

(

struct task_struct *

tsk

)

Definition at line 95 of file fpu.c.

void save_fpu

(

struct task_struct *

tsk

)

Definition at line 45 of file fpu.c.