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File: [Development] / linux-2.6-xfs-all / include / asm-m68k / movs.h (download)

Revision 1.1, Tue Dec 30 23:58:53 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD

Initial Import 2.6.0

#ifndef  __MOVS_H__
#define __MOVS_H__

/*
** movs.h
**
** Inline assembly macros to generate movs & related instructions
*/

/* Set DFC register value */

#define SET_DFC(x) \
        __asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x));

/* Get DFC register value */

#define GET_DFC(x) \
        __asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : );

/* Set SFC register value */

#define SET_SFC(x) \
        __asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x));

/* Get SFC register value */

#define GET_SFC(x) \
        __asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : );

#define SET_VBR(x) \
        __asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x));

#define GET_VBR(x) \
        __asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : );

/* Set a byte using the "movs" instruction */

#define SET_CONTROL_BYTE(addr,value) \
        __asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr));

/* Get a byte using the "movs" instruction */

#define GET_CONTROL_BYTE(addr,value) \
        __asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr));

/* Set a (long)word using the "movs" instruction */

#define SET_CONTROL_WORD(addr,value) \
        __asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr));

/* Get a (long)word using the "movs" instruction */

#define GET_CONTROL_WORD(addr,value) \
        __asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr));
#endif