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author | Ingo Molnar <mingo@elte.hu> | 2009-01-27 12:01:51 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-27 12:01:51 +0100 |
commit | 3ddeb51d9c83931c1ca6abf76a38934c5a1ed918 (patch) | |
tree | fc2efb59d627135ea2199a8a68415b162646b121 /arch/m68k/include/asm/movs.h | |
parent | 5a611268b69f05262936dd177205acbce4471358 (diff) | |
parent | 5ee810072175042775e39bdd3eaaa68884c27805 (diff) | |
download | lwn-3ddeb51d9c83931c1ca6abf76a38934c5a1ed918.tar.gz lwn-3ddeb51d9c83931c1ca6abf76a38934c5a1ed918.zip |
Merge branch 'linus' into core/percpu
Conflicts:
arch/x86/kernel/setup_percpu.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 000000000000..67dbea36960f --- /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 |