Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 |