1 #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
56
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