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1/*
2 * asmmacro.h: Assembler macros to make things easier to read.
3 *
4 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
5 * Copyright (C) 1998, 1999 Ralf Baechle
6 * Copyright (C) 1999 Silicon Graphics, Inc.
7 */
8#ifndef _ASM_ASMMACRO_64_H
9#define _ASM_ASMMACRO_64_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_16even thread tmp=t0
17 cfc1 \tmp, fcr31
18 sdc1 $f0, THREAD_FPR0(\thread)
19 sdc1 $f2, THREAD_FPR2(\thread)
20 sdc1 $f4, THREAD_FPR4(\thread)
21 sdc1 $f6, THREAD_FPR6(\thread)
22 sdc1 $f8, THREAD_FPR8(\thread)
23 sdc1 $f10, THREAD_FPR10(\thread)
24 sdc1 $f12, THREAD_FPR12(\thread)
25 sdc1 $f14, THREAD_FPR14(\thread)
26 sdc1 $f16, THREAD_FPR16(\thread)
27 sdc1 $f18, THREAD_FPR18(\thread)
28 sdc1 $f20, THREAD_FPR20(\thread)
29 sdc1 $f22, THREAD_FPR22(\thread)
30 sdc1 $f24, THREAD_FPR24(\thread)
31 sdc1 $f26, THREAD_FPR26(\thread)
32 sdc1 $f28, THREAD_FPR28(\thread)
33 sdc1 $f30, THREAD_FPR30(\thread)
34 sw \tmp, THREAD_FCR31(\thread)
35 .endm
36
37 .macro fpu_save_16odd thread
38 sdc1 $f1, THREAD_FPR1(\thread)
39 sdc1 $f3, THREAD_FPR3(\thread)
40 sdc1 $f5, THREAD_FPR5(\thread)
41 sdc1 $f7, THREAD_FPR7(\thread)
42 sdc1 $f9, THREAD_FPR9(\thread)
43 sdc1 $f11, THREAD_FPR11(\thread)
44 sdc1 $f13, THREAD_FPR13(\thread)
45 sdc1 $f15, THREAD_FPR15(\thread)
46 sdc1 $f17, THREAD_FPR17(\thread)
47 sdc1 $f19, THREAD_FPR19(\thread)
48 sdc1 $f21, THREAD_FPR21(\thread)
49 sdc1 $f23, THREAD_FPR23(\thread)
50 sdc1 $f25, THREAD_FPR25(\thread)
51 sdc1 $f27, THREAD_FPR27(\thread)
52 sdc1 $f29, THREAD_FPR29(\thread)
53 sdc1 $f31, THREAD_FPR31(\thread)
54 .endm
55
56 .macro fpu_save_double thread status tmp
57 sll \tmp, \status, 5
58 bgez \tmp, 2f
59 fpu_save_16odd \thread
602:
61 fpu_save_16even \thread \tmp
62 .endm
63
64 .macro fpu_restore_16even thread tmp=t0
65 lw \tmp, THREAD_FCR31(\thread)
66 ldc1 $f0, THREAD_FPR0(\thread)
67 ldc1 $f2, THREAD_FPR2(\thread)
68 ldc1 $f4, THREAD_FPR4(\thread)
69 ldc1 $f6, THREAD_FPR6(\thread)
70 ldc1 $f8, THREAD_FPR8(\thread)
71 ldc1 $f10, THREAD_FPR10(\thread)
72 ldc1 $f12, THREAD_FPR12(\thread)
73 ldc1 $f14, THREAD_FPR14(\thread)
74 ldc1 $f16, THREAD_FPR16(\thread)
75 ldc1 $f18, THREAD_FPR18(\thread)
76 ldc1 $f20, THREAD_FPR20(\thread)
77 ldc1 $f22, THREAD_FPR22(\thread)
78 ldc1 $f24, THREAD_FPR24(\thread)
79 ldc1 $f26, THREAD_FPR26(\thread)
80 ldc1 $f28, THREAD_FPR28(\thread)
81 ldc1 $f30, THREAD_FPR30(\thread)
82 ctc1 \tmp, fcr31
83 .endm
84
85 .macro fpu_restore_16odd thread
86 ldc1 $f1, THREAD_FPR1(\thread)
87 ldc1 $f3, THREAD_FPR3(\thread)
88 ldc1 $f5, THREAD_FPR5(\thread)
89 ldc1 $f7, THREAD_FPR7(\thread)
90 ldc1 $f9, THREAD_FPR9(\thread)
91 ldc1 $f11, THREAD_FPR11(\thread)
92 ldc1 $f13, THREAD_FPR13(\thread)
93 ldc1 $f15, THREAD_FPR15(\thread)
94 ldc1 $f17, THREAD_FPR17(\thread)
95 ldc1 $f19, THREAD_FPR19(\thread)
96 ldc1 $f21, THREAD_FPR21(\thread)
97 ldc1 $f23, THREAD_FPR23(\thread)
98 ldc1 $f25, THREAD_FPR25(\thread)
99 ldc1 $f27, THREAD_FPR27(\thread)
100 ldc1 $f29, THREAD_FPR29(\thread)
101 ldc1 $f31, THREAD_FPR31(\thread)
102 .endm
103
104 .macro fpu_restore_double thread status tmp
105 sll \tmp, \status, 5
106 bgez \tmp, 1f # 16 register mode?
107
108 fpu_restore_16odd \thread
1091: fpu_restore_16even \thread \tmp
110 .endm
111
112 .macro cpu_save_nonscratch thread
113 LONG_S s0, THREAD_REG16(\thread)
114 LONG_S s1, THREAD_REG17(\thread)
115 LONG_S s2, THREAD_REG18(\thread)
116 LONG_S s3, THREAD_REG19(\thread)
117 LONG_S s4, THREAD_REG20(\thread)
118 LONG_S s5, THREAD_REG21(\thread)
119 LONG_S s6, THREAD_REG22(\thread)
120 LONG_S s7, THREAD_REG23(\thread)
121 LONG_S sp, THREAD_REG29(\thread)
122 LONG_S fp, THREAD_REG30(\thread)
123 .endm
124
125 .macro cpu_restore_nonscratch thread
126 LONG_L s0, THREAD_REG16(\thread)
127 LONG_L s1, THREAD_REG17(\thread)
128 LONG_L s2, THREAD_REG18(\thread)
129 LONG_L s3, THREAD_REG19(\thread)
130 LONG_L s4, THREAD_REG20(\thread)
131 LONG_L s5, THREAD_REG21(\thread)
132 LONG_L s6, THREAD_REG22(\thread)
133 LONG_L s7, THREAD_REG23(\thread)
134 LONG_L sp, THREAD_REG29(\thread)
135 LONG_L fp, THREAD_REG30(\thread)
136 LONG_L ra, THREAD_REG31(\thread)
137 .endm
138
139#endif /* _ASM_ASMMACRO_64_H */
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 Ralf Baechle
7 * Copyright (C) 1999 Silicon Graphics, Inc.
8 */
9#ifndef _ASM_ASMMACRO_64_H
10#define _ASM_ASMMACRO_64_H
11
12#include <asm/asm-offsets.h>
13#include <asm/regdef.h>
14#include <asm/fpregdef.h>
15#include <asm/mipsregs.h>
16
17 .macro cpu_save_nonscratch thread
18 LONG_S s0, THREAD_REG16(\thread)
19 LONG_S s1, THREAD_REG17(\thread)
20 LONG_S s2, THREAD_REG18(\thread)
21 LONG_S s3, THREAD_REG19(\thread)
22 LONG_S s4, THREAD_REG20(\thread)
23 LONG_S s5, THREAD_REG21(\thread)
24 LONG_S s6, THREAD_REG22(\thread)
25 LONG_S s7, THREAD_REG23(\thread)
26 LONG_S sp, THREAD_REG29(\thread)
27 LONG_S fp, THREAD_REG30(\thread)
28 .endm
29
30 .macro cpu_restore_nonscratch thread
31 LONG_L s0, THREAD_REG16(\thread)
32 LONG_L s1, THREAD_REG17(\thread)
33 LONG_L s2, THREAD_REG18(\thread)
34 LONG_L s3, THREAD_REG19(\thread)
35 LONG_L s4, THREAD_REG20(\thread)
36 LONG_L s5, THREAD_REG21(\thread)
37 LONG_L s6, THREAD_REG22(\thread)
38 LONG_L s7, THREAD_REG23(\thread)
39 LONG_L sp, THREAD_REG29(\thread)
40 LONG_L fp, THREAD_REG30(\thread)
41 LONG_L ra, THREAD_REG31(\thread)
42 .endm
43
44#endif /* _ASM_ASMMACRO_64_H */