diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-07 18:31:54 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-07 18:31:54 +0100 |
commit | 673f8205914a12e928c65afbcd78ae748f78df53 (patch) | |
tree | 38c60215646d079fab3bff812e094e914960c7ec /arch/m68k/include/asm/movs.h | |
parent | cf47b8f3d96b0b8b10b557444a28b3ca4024ff82 (diff) | |
parent | ae1a25da8448271a99745da03100d5299575a269 (diff) |
Merge branch 'linus' into core/locking
Conflicts:
fs/btrfs/locking.c
Diffstat (limited to 'arch/m68k/include/asm/movs.h')
-rw-r--r-- | arch/m68k/include/asm/movs.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/movs.h b/arch/m68k/include/asm/movs.h new file mode 100644 index 00000000000..67dbea36960 --- /dev/null +++ b/arch/m68k/include/asm/movs.h @@ -0,0 +1,55 @@ +#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 |