OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-m68k/] [movs.h] - Rev 1765

Compare with Previous | Blame | View Log

#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
 

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.