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