Viewing file:  movs.h (1.4 KB) -rw-r--r--
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#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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