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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __MOVS_H__
2#define __MOVS_H__
3
4/*
5** movs.h
6**
7** Inline assembly macros to generate movs & related instructions
8*/
9
10/* Set DFC register value */
11
12#define SET_DFC(x) \
13 __asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x));
14
15/* Get DFC register value */
16
17#define GET_DFC(x) \
18 __asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : );
19
20/* Set SFC register value */
21
22#define SET_SFC(x) \
23 __asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x));
24
25/* Get SFC register value */
26
27#define GET_SFC(x) \
28 __asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : );
29
30#define SET_VBR(x) \
31 __asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x));
32
33#define GET_VBR(x) \
34 __asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : );
35
36/* Set a byte using the "movs" instruction */
37
38#define SET_CONTROL_BYTE(addr,value) \
39 __asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr));
40
41/* Get a byte using the "movs" instruction */
42
43#define GET_CONTROL_BYTE(addr,value) \
44 __asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr));
45
46/* Set a (long)word using the "movs" instruction */
47
48#define SET_CONTROL_WORD(addr,value) \
49 __asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr));
50
51/* Get a (long)word using the "movs" instruction */
52
53#define GET_CONTROL_WORD(addr,value) \
54 __asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr));
55#endif