driver.c File Reference

#include <linux/sched.h>
#include "float.h"
#include "math-emu.h"

Go to the source code of this file.

Data Structures
struct	exc_reg

Macros
#define	fptpos   31
#define	fpr1pos   10
#define	extru(r, pos, len)   (((r) >> (31-(pos))) & (( 1 << (len)) - 1))
#define	FPUDEBUG   0
#define	FP0CE_UID(i)   (((i) >> 6) & 3)
#define	FP0CE_CLASS(i)   (((i) >> 9) & 3)
#define	FP0CE_SUBOP(i)   (((i) >> 13) & 7)
#define	FP0CE_SUBOP1(i)   (((i) >> 15) & 7) /* Class 1 subopcode */
#define	FP0C_FORMAT(i)   (((i) >> 11) & 3)
#define	FP0E_FORMAT(i)   (((i) >> 11) & 1)
#define	FPPM_SUBOP(i)   (((i) >> 9) & 0x1f)
#define	FP2E_SUBOP(i)   (((i) >> 5) & 1)
#define	FP2E_FORMAT(i)   (((i) >> 11) & 1)
#define	FPx6_FORMAT(i)   ((i) & 0x1f)
#define	FPSW_FLAGS(w)   ((w) >> 27)
#define	FPSW_ENABLE(w)   ((w) & 0x1f)
#define	FPSW_V   (1<<4)
#define	FPSW_Z   (1<<3)
#define	FPSW_O   (1<<2)
#define	FPSW_U   (1<<1)
#define	FPSW_I   (1<<0)

Functions
int	handle_fpe (struct pt_regs *regs)

Macro Definition Documentation

#define extru	(		r,
			pos,
			len
	)		(((r) >> (31-(pos))) & (( 1 << (len)) - 1))

Definition at line 37 of file driver.c.

#define FP0C_FORMAT

(

i

)

(((i) >> 11) & 3)

Definition at line 54 of file driver.c.

#define FP0CE_CLASS

(

i

)

(((i) >> 9) & 3)

Definition at line 51 of file driver.c.

#define FP0CE_SUBOP

(

i

)

(((i) >> 13) & 7)

Definition at line 52 of file driver.c.

#define FP0CE_SUBOP1

(

i

)

(((i) >> 15) & 7) /* Class 1 subopcode */

Definition at line 53 of file driver.c.

#define FP0CE_UID

(

i

)

(((i) >> 6) & 3)

Definition at line 50 of file driver.c.

#define FP0E_FORMAT

(

i

)

(((i) >> 11) & 1)

Definition at line 55 of file driver.c.

#define FP2E_FORMAT

(

i

)

(((i) >> 11) & 1)

Definition at line 62 of file driver.c.

#define FP2E_SUBOP

(

i

)

(((i) >> 5) & 1)

Definition at line 61 of file driver.c.

#define FPPM_SUBOP

(

i

)

(((i) >> 9) & 0x1f)

Definition at line 58 of file driver.c.

#define fpr1pos   10

Definition at line 36 of file driver.c.

#define FPSW_ENABLE

(

w

)

((w) & 0x1f)

Definition at line 70 of file driver.c.

#define FPSW_FLAGS

(

w

)

((w) >> 27)

Definition at line 69 of file driver.c.

#define FPSW_I   (1<<0)

Definition at line 75 of file driver.c.

#define FPSW_O   (1<<2)

Definition at line 73 of file driver.c.

#define FPSW_U   (1<<1)

Definition at line 74 of file driver.c.

#define FPSW_V   (1<<4)

Definition at line 71 of file driver.c.

#define FPSW_Z   (1<<3)

Definition at line 72 of file driver.c.

#define fptpos   31

Definition at line 35 of file driver.c.

#define FPUDEBUG   0

Definition at line 39 of file driver.c.

#define FPx6_FORMAT

(

i

)

((i) & 0x1f)

Definition at line 66 of file driver.c.

Function Documentation

int handle_fpe

(

struct pt_regs *

regs

)

Definition at line 80 of file driver.c.