Release 4.14 arch/m68k/include/asm/movs.h

/* SPDX-License-Identifier: GPL-2.0 */
#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
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Linus Torvalds (pre-git)
105
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Greg Kroah-Hartman
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Directory: arch/m68k/include/asm

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