i387.c File Reference

#include <linux/module.h>
#include <linux/regset.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <asm/sigcontext.h>
#include <asm/processor.h>
#include <asm/math_emu.h>
#include <asm/uaccess.h>
#include <asm/ptrace.h>
#include <asm/i387.h>
#include <asm/fpu-internal.h>
#include <asm/user.h>

Go to the source code of this file.

Functions
bool	irq_fpu_usable (void)
	EXPORT_SYMBOL (irq_fpu_usable)
void	__kernel_fpu_begin (void)
	EXPORT_SYMBOL (__kernel_fpu_begin)
void	__kernel_fpu_end (void)
	EXPORT_SYMBOL (__kernel_fpu_end)
void	unlazy_fpu (struct task_struct *tsk)
	EXPORT_SYMBOL (unlazy_fpu)
	EXPORT_SYMBOL_GPL (xstate_size)
void __cpuinit	fpu_init (void)
void	fpu_finit (struct fpu *fpu)
	EXPORT_SYMBOL_GPL (fpu_finit)
int	init_fpu (struct task_struct *tsk)
	EXPORT_SYMBOL_GPL (init_fpu)
int	fpregs_active (struct task_struct *target, const struct user_regset *regset)
int	xfpregs_active (struct task_struct *target, const struct user_regset *regset)
int	xfpregs_get (struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf)
int	xfpregs_set (struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf)
int	xstateregs_get (struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf)
int	xstateregs_set (struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf)

Variables
unsigned int mxcsr_feature_mask	__read_mostly = 0xffffffffu
unsigned int	xstate_size

Function Documentation

void __kernel_fpu_begin

(

void

)

Definition at line 76 of file i387.c.

void __kernel_fpu_end

(

void

)

Definition at line 91 of file i387.c.

EXPORT_SYMBOL

(

irq_fpu_usable

)

EXPORT_SYMBOL

(

__kernel_fpu_begin

)

EXPORT_SYMBOL

(

__kernel_fpu_end

)

EXPORT_SYMBOL

(

unlazy_fpu

)

EXPORT_SYMBOL_GPL

(

xstate_size

)

EXPORT_SYMBOL_GPL

(

fpu_finit

)

EXPORT_SYMBOL_GPL

(

init_fpu

)

int fpregs_active	(	struct task_struct *	target,
		const struct user_regset *	regset
	)

Definition at line 242 of file i387.c.

void fpu_finit

(

struct fpu *

fpu

)

Definition at line 186 of file i387.c.

void __cpuinit fpu_init

(

void

)

Definition at line 160 of file i387.c.

int init_fpu

(

struct task_struct *

tsk

)

Definition at line 212 of file i387.c.

bool irq_fpu_usable

(

void

)

Definition at line 68 of file i387.c.

void unlazy_fpu

(

struct task_struct *

tsk

)

Definition at line 100 of file i387.c.

int xfpregs_active	(	struct task_struct *	target,
		const struct user_regset *	regset
	)

Definition at line 247 of file i387.c.

int xfpregs_get	(	struct task_struct *	target,
		const struct user_regset *	regset,
		unsigned int	pos,
		unsigned int	count,
		void *	kbuf,
		void __user *	ubuf
	)

Definition at line 252 of file i387.c.

int xfpregs_set	(	struct task_struct *	target,
		const struct user_regset *	regset,
		unsigned int	pos,
		unsigned int	count,
		const void *	kbuf,
		const void __user *	ubuf
	)

Definition at line 271 of file i387.c.

int xstateregs_get	(	struct task_struct *	target,
		const struct user_regset *	regset,
		unsigned int	pos,
		unsigned int	count,
		void *	kbuf,
		void __user *	ubuf
	)

Definition at line 304 of file i387.c.

int xstateregs_set	(	struct task_struct *	target,
		const struct user_regset *	regset,
		unsigned int	pos,
		unsigned int	count,
		const void *	kbuf,
		const void __user *	ubuf
	)

Definition at line 333 of file i387.c.

Variable Documentation

unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu

Definition at line 112 of file i387.c.

unsigned int xstate_size

Definition at line 113 of file i387.c.