reg.h File Reference

Go to the source code of this file.

Macros
#define	__stringify_1(x)   #x
#define	__stringify(x)   __stringify_1(x)
#define	mfspr(rn)
#define	mtspr(rn, v)   asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
#define	get_sp()   (__stack_pointer)

Functions
register void *__stack_pointer	asm ("r1")

Macro Definition Documentation

#define __stringify

(

x

)

__stringify_1(x)

Definition at line 20 of file reg.h.

#define __stringify_1

(

x

)

#x

Definition at line 19 of file reg.h.

#define get_sp

(

)

(__stack_pointer)

Definition at line 28 of file reg.h.

#define mfspr

(

rn

)

Value:

({unsigned long rval; \
            asm volatile("mfspr %0," __stringify(rn) \
                : "=r" (rval)); rval; })

Definition at line 22 of file reg.h.

#define mtspr	(		rn,
			v
	)		asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))

Definition at line 25 of file reg.h.

Function Documentation

register void* __stack_pointer asm

(

"r1"

)