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