LXR linux/arch/m68k/include/asm/movs.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef  __MOVS_H__
   3#define __MOVS_H__
   4
   5/*
   6** movs.h
   7**
   8** Inline assembly macros to generate movs & related instructions
   9*/
  10
  11/* Set DFC register value */
  12
  13#define SET_DFC(x) \
  14        __asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x));
  15
  16/* Get DFC register value */
  17
  18#define GET_DFC(x) \
  19        __asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : );
  20
  21/* Set SFC register value */
  22
  23#define SET_SFC(x) \
  24        __asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x));
  25
  26/* Get SFC register value */
  27
  28#define GET_SFC(x) \
  29        __asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : );
  30
  31#define SET_VBR(x) \
  32        __asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x));
  33
  34#define GET_VBR(x) \
  35        __asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : );
  36
  37/* Set a byte using the "movs" instruction */
  38
  39#define SET_CONTROL_BYTE(addr,value) \
  40        __asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr));
  41
  42/* Get a byte using the "movs" instruction */
  43
  44#define GET_CONTROL_BYTE(addr,value) \
  45        __asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr));
  46
  47/* Set a (long)word using the "movs" instruction */
  48
  49#define SET_CONTROL_WORD(addr,value) \
  50        __asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr));
  51
  52/* Get a (long)word using the "movs" instruction */
  53
  54#define GET_CONTROL_WORD(addr,value) \
  55        __asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr));
  56#endif
  57