1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * asmmacro.h: Assembler macros to make things easier to read.
4  *
5  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
6  * Copyright (C) 1998, 1999, 2003 Ralf Baechle
7  */
8 #ifndef _ASM_ASMMACRO_32_H
9 #define _ASM_ASMMACRO_32_H
10 
11 #include <asm/asm-offsets.h>
12 #include <asm/regdef.h>
13 #include <asm/fpregdef.h>
14 #include <asm/mipsregs.h>
15 
16 	.macro	fpu_save_single thread tmp=t0
17 	.set push
18 	.set hardfloat
19 	cfc1	\tmp,  fcr31
20 	s.d	$f0,  THREAD_FPR0(\thread)
21 	s.d	$f2,  THREAD_FPR2(\thread)
22 	s.d	$f4,  THREAD_FPR4(\thread)
23 	s.d	$f6,  THREAD_FPR6(\thread)
24 	s.d	$f8,  THREAD_FPR8(\thread)
25 	s.d	$f10, THREAD_FPR10(\thread)
26 	s.d	$f12, THREAD_FPR12(\thread)
27 	s.d	$f14, THREAD_FPR14(\thread)
28 	s.d	$f16, THREAD_FPR16(\thread)
29 	s.d	$f18, THREAD_FPR18(\thread)
30 	s.d	$f20, THREAD_FPR20(\thread)
31 	s.d	$f22, THREAD_FPR22(\thread)
32 	s.d	$f24, THREAD_FPR24(\thread)
33 	s.d	$f26, THREAD_FPR26(\thread)
34 	s.d	$f28, THREAD_FPR28(\thread)
35 	s.d	$f30, THREAD_FPR30(\thread)
36 	sw	\tmp, THREAD_FCR31(\thread)
37 	.set pop
38 	.endm
39 
40 	.macro	fpu_restore_single thread tmp=t0
41 	.set push
42 	.set hardfloat
43 	lw	\tmp, THREAD_FCR31(\thread)
44 	l.d	$f0,  THREAD_FPR0(\thread)
45 	l.d	$f2,  THREAD_FPR2(\thread)
46 	l.d	$f4,  THREAD_FPR4(\thread)
47 	l.d	$f6,  THREAD_FPR6(\thread)
48 	l.d	$f8,  THREAD_FPR8(\thread)
49 	l.d	$f10, THREAD_FPR10(\thread)
50 	l.d	$f12, THREAD_FPR12(\thread)
51 	l.d	$f14, THREAD_FPR14(\thread)
52 	l.d	$f16, THREAD_FPR16(\thread)
53 	l.d	$f18, THREAD_FPR18(\thread)
54 	l.d	$f20, THREAD_FPR20(\thread)
55 	l.d	$f22, THREAD_FPR22(\thread)
56 	l.d	$f24, THREAD_FPR24(\thread)
57 	l.d	$f26, THREAD_FPR26(\thread)
58 	l.d	$f28, THREAD_FPR28(\thread)
59 	l.d	$f30, THREAD_FPR30(\thread)
60 	ctc1	\tmp, fcr31
61 	.set pop
62 	.endm
63 
64 	.macro	cpu_save_nonscratch thread
65 	LONG_S	s0, THREAD_REG16(\thread)
66 	LONG_S	s1, THREAD_REG17(\thread)
67 	LONG_S	s2, THREAD_REG18(\thread)
68 	LONG_S	s3, THREAD_REG19(\thread)
69 	LONG_S	s4, THREAD_REG20(\thread)
70 	LONG_S	s5, THREAD_REG21(\thread)
71 	LONG_S	s6, THREAD_REG22(\thread)
72 	LONG_S	s7, THREAD_REG23(\thread)
73 	LONG_S	sp, THREAD_REG29(\thread)
74 	LONG_S	fp, THREAD_REG30(\thread)
75 	.endm
76 
77 	.macro	cpu_restore_nonscratch thread
78 	LONG_L	s0, THREAD_REG16(\thread)
79 	LONG_L	s1, THREAD_REG17(\thread)
80 	LONG_L	s2, THREAD_REG18(\thread)
81 	LONG_L	s3, THREAD_REG19(\thread)
82 	LONG_L	s4, THREAD_REG20(\thread)
83 	LONG_L	s5, THREAD_REG21(\thread)
84 	LONG_L	s6, THREAD_REG22(\thread)
85 	LONG_L	s7, THREAD_REG23(\thread)
86 	LONG_L	sp, THREAD_REG29(\thread)
87 	LONG_L	fp, THREAD_REG30(\thread)
88 	LONG_L	ra, THREAD_REG31(\thread)
89 	.endm
90 
91 #endif /* _ASM_ASMMACRO_32_H */
92