1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __MOVS_H__
3 #define __MOVS_H__
4
5 /*
6 ** movs.h
7 **
8 ** Inline assembly macros to generate movs & related instructions
9 */
10
11 /* Set DFC register value */
12
13 #define SET_DFC(x) \
14 __asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x));
15
16 /* Get DFC register value */
17
18 #define GET_DFC(x) \
19 __asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : );
20
21 /* Set SFC register value */
22
23 #define SET_SFC(x) \
24 __asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x));
25
26 /* Get SFC register value */
27
28 #define GET_SFC(x) \
29 __asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : );
30
31 #define SET_VBR(x) \
32 __asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x));
33
34 #define GET_VBR(x) \
35 __asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : );
36
37 /* Set a byte using the "movs" instruction */
38
39 #define SET_CONTROL_BYTE(addr,value) \
40 __asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr));
41
42 /* Get a byte using the "movs" instruction */
43
44 #define GET_CONTROL_BYTE(addr,value) \
45 __asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr));
46
47 /* Set a (long)word using the "movs" instruction */
48
49 #define SET_CONTROL_WORD(addr,value) \
50 __asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr));
51
52 /* Get a (long)word using the "movs" instruction */
53
54 #define GET_CONTROL_WORD(addr,value) \
55 __asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr));
56 #endif
57
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