fpu.h File Reference

#include <linux/sched.h>
#include <linux/thread_info.h>
#include <linux/bitops.h>
#include <asm/mipsregs.h>
#include <asm/cpu.h>
#include <asm/cpu-features.h>
#include <asm/hazards.h>
#include <asm/processor.h>
#include <asm/current.h>

Go to the source code of this file.

Macros
#define	__enable_fpu()
#define	__disable_fpu()
#define	enable_fpu()
#define	disable_fpu()
#define	clear_fpu_owner()   clear_thread_flag(TIF_USEDFPU)

Functions
void	fpu_emulator_init_fpu (void)
void	_init_fpu (void)
void	_save_fp (struct task_struct *)
void	_restore_fp (struct task_struct *)

Macro Definition Documentation

#define __disable_fpu

(

)

Value:

do {                                    \
    clear_c0_status(ST0_CU1);                   \
        disable_fpu_hazard();                       \
} while (0)

Definition at line 42 of file fpu.h.

#define __enable_fpu

(

)

Value:

do {                                    \
        set_c0_status(ST0_CU1);                     \
        enable_fpu_hazard();                        \
} while (0)

Definition at line 36 of file fpu.h.

#define clear_fpu_owner

(

)

clear_thread_flag(TIF_USEDFPU)

Definition at line 61 of file fpu.h.

#define disable_fpu

(

void

)

Value:

do {                                    \
    if (cpu_has_fpu)                        \
        __disable_fpu();                    \
} while (0)

Definition at line 54 of file fpu.h.

#define enable_fpu

(

void

)

Value:

do {                                    \
    if (cpu_has_fpu)                        \
        __enable_fpu();                     \
} while (0)

Definition at line 48 of file fpu.h.

Function Documentation

void _init_fpu

(

void

)

void _restore_fp

(

struct task_struct *

)

void _save_fp

(

struct task_struct *

)

void fpu_emulator_init_fpu

(

void

)

Definition at line 32 of file kernel_linkage.c.