memcpy_user_64.c File Reference

#include "memcpy_64.c"

Go to the source code of this file.

Macros
#define	_ST(p, inst, v)
#define	_LD(p, inst)
#define	USERCOPY_FUNC   __copy_to_user_inatomic
#define	ST1(p, v)   _ST((p), st1, (v))
#define	ST2(p, v)   _ST((p), st2, (v))
#define	ST4(p, v)   _ST((p), st4, (v))
#define	ST8(p, v)   _ST((p), st, (v))
#define	LD1   LD
#define	LD2   LD
#define	LD4   LD
#define	LD8   LD
#define	USERCOPY_FUNC   __copy_from_user_inatomic
#define	ST1   ST
#define	ST2   ST
#define	ST4   ST
#define	ST8   ST
#define	LD1(p)   _LD((p), ld1u)
#define	LD2(p)   _LD((p), ld2u)
#define	LD4(p)   _LD((p), ld4u)
#define	LD8(p)   _LD((p), ld)
#define	USERCOPY_FUNC   __copy_in_user_inatomic
#define	ST1(p, v)   _ST((p), st1, (v))
#define	ST2(p, v)   _ST((p), st2, (v))
#define	ST4(p, v)   _ST((p), st4, (v))
#define	ST8(p, v)   _ST((p), st, (v))
#define	LD1(p)   _LD((p), ld1u)
#define	LD2(p)   _LD((p), ld2u)
#define	LD4(p)   _LD((p), ld4u)
#define	LD8(p)   _LD((p), ld)

Functions
unsigned long	__copy_from_user_zeroing (void *to, const void __user *from, unsigned long n)

Macro Definition Documentation

#define _LD	(		p,
			inst
	)

Value:

({                          \
        unsigned long __v;              \
        asm("1: " #inst " %0, %1;"          \
            ".pushsection .coldtext.memcpy,\"ax\";" \
            "2: { move r0, %2; jrp lr };"       \
            ".section __ex_table,\"a\";"        \
            ".quad 1b, 2b;"             \
            ".popsection"               \
            : "=r" (__v) : "m" (*(p)), "r" (n));    \
        __v;                        \
    })

Definition at line 39 of file memcpy_user_64.c.

#define _ST	(		p,
			inst,
			v
	)

Value:

({                          \
        asm("1: " #inst " %0, %1;"          \
            ".pushsection .coldtext.memcpy,\"ax\";" \
            "2: { move r0, %2; jrp lr };"       \
            ".section __ex_table,\"a\";"        \
            ".quad 1b, 2b;"             \
            ".popsection"               \
            : "=m" (*(p)) : "r" (v), "r" (n));      \
    })

Definition at line 28 of file memcpy_user_64.c.

#define LD1   LD

Definition at line 79 of file memcpy_user_64.c.

#define LD1

(

p

)

_LD((p), ld1u)

Definition at line 79 of file memcpy_user_64.c.

#define LD1

(

p

)

_LD((p), ld1u)

Definition at line 79 of file memcpy_user_64.c.

#define LD2   LD

Definition at line 80 of file memcpy_user_64.c.

#define LD2

(

p

)

_LD((p), ld2u)

Definition at line 80 of file memcpy_user_64.c.

#define LD2

(

p

)

_LD((p), ld2u)

Definition at line 80 of file memcpy_user_64.c.

#define LD4   LD

Definition at line 81 of file memcpy_user_64.c.

#define LD4

(

p

)

_LD((p), ld4u)

Definition at line 81 of file memcpy_user_64.c.

#define LD4

(

p

)

_LD((p), ld4u)

Definition at line 81 of file memcpy_user_64.c.

#define LD8   LD

Definition at line 82 of file memcpy_user_64.c.

#define LD8

(

p

)

_LD((p), ld)

Definition at line 82 of file memcpy_user_64.c.

#define LD8

(

p

)

_LD((p), ld)

Definition at line 82 of file memcpy_user_64.c.

#define ST1	(		p,
			v
	)		_ST((p), st1, (v))

Definition at line 75 of file memcpy_user_64.c.

#define ST1   ST

Definition at line 75 of file memcpy_user_64.c.

#define ST1	(		p,
			v
	)		_ST((p), st1, (v))

Definition at line 75 of file memcpy_user_64.c.

#define ST2	(		p,
			v
	)		_ST((p), st2, (v))

Definition at line 76 of file memcpy_user_64.c.

#define ST2   ST

Definition at line 76 of file memcpy_user_64.c.

#define ST2	(		p,
			v
	)		_ST((p), st2, (v))

Definition at line 76 of file memcpy_user_64.c.

#define ST4	(		p,
			v
	)		_ST((p), st4, (v))

Definition at line 77 of file memcpy_user_64.c.

#define ST4   ST

Definition at line 77 of file memcpy_user_64.c.

#define ST4	(		p,
			v
	)		_ST((p), st4, (v))

Definition at line 77 of file memcpy_user_64.c.

#define ST8	(		p,
			v
	)		_ST((p), st, (v))

Definition at line 78 of file memcpy_user_64.c.

#define ST8   ST

Definition at line 78 of file memcpy_user_64.c.

#define ST8	(		p,
			v
	)		_ST((p), st, (v))

Definition at line 78 of file memcpy_user_64.c.

#define USERCOPY_FUNC   __copy_to_user_inatomic

Definition at line 74 of file memcpy_user_64.c.

#define USERCOPY_FUNC   __copy_from_user_inatomic

Definition at line 74 of file memcpy_user_64.c.

#define USERCOPY_FUNC   __copy_in_user_inatomic

Definition at line 74 of file memcpy_user_64.c.

Function Documentation

unsigned long __copy_from_user_zeroing	(	void *	to,
		const void __user *	from,
		unsigned long	n
	)

Definition at line 85 of file memcpy_user_64.c.