fpu-ucf64.c File Reference

#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <asm/fpu-ucf64.h>

Go to the source code of this file.

Macros
#define	F64_NAN_FLAG   0x100
#define	F64_EXCEPTION_ERROR   ((u32)-1 & ~F64_NAN_FLAG)
#define	f64reg(_f64_)   #_f64_
#define	cff(_f64_)
#define	ctf(_f64_, _var_)

Functions
void	ucf64_raise_sigfpe (unsigned int sicode, struct pt_regs *regs)
void	ucf64_exchandler (u32 inst, u32 fpexc, struct pt_regs *regs)
	late_initcall (ucf64_init)

Macro Definition Documentation

#define cff

(

_f64_

)

Value:

({          \
	u32 __v;           \
    asm("cff %0, " f64reg(_f64_) "@ fmrx    %0, " #_f64_    \
        : "=r" (__v) : : "cc"); \
    __v;                \
    })

Definition at line 40 of file fpu-ucf64.c.

#define ctf	(		_f64_,
			_var_
	)

Value:

asm("ctf %0, " f64reg(_f64_) "@ fmxr    " #_f64_ ", %0" \
       : : "r" (_var_) : "cc")

Definition at line 47 of file fpu-ucf64.c.

#define F64_EXCEPTION_ERROR   ((u32)-1 & ~F64_NAN_FLAG)

Definition at line 32 of file fpu-ucf64.c.

#define F64_NAN_FLAG   0x100

Definition at line 24 of file fpu-ucf64.c.

#define f64reg

(

_f64_

)

#_f64_

Definition at line 38 of file fpu-ucf64.c.

Function Documentation

late_initcall

(

ucf64_init

)

void ucf64_exchandler	(	u32	inst,
		u32	fpexc,
		struct pt_regs *	regs
	)

Definition at line 78 of file fpu-ucf64.c.

void ucf64_raise_sigfpe	(	unsigned int	sicode,
		struct pt_regs *	regs
	)

Definition at line 55 of file fpu-ucf64.c.