summaryrefslogtreecommitdiffstats
path: root/include/asm-mips/asmmacro-64.h
blob: 559c355b9b868e007461fea60c17d4c4d6ac36f2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
 * asmmacro.h: Assembler macros to make things easier to read.
 *
 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
 * Copyright (C) 1998, 1999 Ralf Baechle
 * Copyright (C) 1999 Silicon Graphics, Inc.
 */
#ifndef _ASM_ASMMACRO_64_H
#define _ASM_ASMMACRO_64_H

#include <asm/asm-offsets.h>
#include <asm/regdef.h>
#include <asm/fpregdef.h>
#include <asm/mipsregs.h>

	.macro	fpu_save_16even thread tmp=t0
	cfc1	\tmp, fcr31
	sdc1	$f0,  THREAD_FPR0(\thread)
	sdc1	$f2,  THREAD_FPR2(\thread)
	sdc1	$f4,  THREAD_FPR4(\thread)
	sdc1	$f6,  THREAD_FPR6(\thread)
	sdc1	$f8,  THREAD_FPR8(\thread)
	sdc1	$f10, THREAD_FPR10(\thread)
	sdc1	$f12, THREAD_FPR12(\thread)
	sdc1	$f14, THREAD_FPR14(\thread)
	sdc1	$f16, THREAD_FPR16(\thread)
	sdc1	$f18, THREAD_FPR18(\thread)
	sdc1	$f20, THREAD_FPR20(\thread)
	sdc1	$f22, THREAD_FPR22(\thread)
	sdc1	$f24, THREAD_FPR24(\thread)
	sdc1	$f26, THREAD_FPR26(\thread)
	sdc1	$f28, THREAD_FPR28(\thread)
	sdc1	$f30, THREAD_FPR30(\thread)
	sw	\tmp, THREAD_FCR31(\thread)
	.endm

	.macro	fpu_save_16odd thread
	sdc1	$f1,  THREAD_FPR1(\thread)
	sdc1	$f3,  THREAD_FPR3(\thread)
	sdc1	$f5,  THREAD_FPR5(\thread)
	sdc1	$f7,  THREAD_FPR7(\thread)
	sdc1	$f9,  THREAD_FPR9(\thread)
	sdc1	$f11, THREAD_FPR11(\thread)
	sdc1	$f13, THREAD_FPR13(\thread)
	sdc1	$f15, THREAD_FPR15(\thread)
	sdc1	$f17, THREAD_FPR17(\thread)
	sdc1	$f19, THREAD_FPR19(\thread)
	sdc1	$f21, THREAD_FPR21(\thread)
	sdc1	$f23, THREAD_FPR23(\thread)
	sdc1	$f25, THREAD_FPR25(\thread)
	sdc1	$f27, THREAD_FPR27(\thread)
	sdc1	$f29, THREAD_FPR29(\thread)
	sdc1	$f31, THREAD_FPR31(\thread)
	.endm

	.macro	fpu_save_double thread status tmp1 tmp2
	sll	\tmp2, \tmp1, 5
	bgez	\tmp2, 2f
	fpu_save_16odd \thread
2:
	fpu_save_16even \thread \tmp1			# clobbers t1
	.endm

	.macro	fpu_restore_16even thread tmp=t0
	lw	\tmp, THREAD_FCR31(\thread)
	ldc1	$f0,  THREAD_FPR0(\thread)
	ldc1	$f2,  THREAD_FPR2(\thread)
	ldc1	$f4,  THREAD_FPR4(\thread)
	ldc1	$f6,  THREAD_FPR6(\thread)
	ldc1	$f8,  THREAD_FPR8(\thread)
	ldc1	$f10, THREAD_FPR10(\thread)
	ldc1	$f12, THREAD_FPR12(\thread)
	ldc1	$f14, THREAD_FPR14(\thread)
	ldc1	$f16, THREAD_FPR16(\thread)
	ldc1	$f18, THREAD_FPR18(\thread)
	ldc1	$f20, THREAD_FPR20(\thread)
	ldc1	$f22, THREAD_FPR22(\thread)
	ldc1	$f24, THREAD_FPR24(\thread)
	ldc1	$f26, THREAD_FPR26(\thread)
	ldc1	$f28, THREAD_FPR28(\thread)
	ldc1	$f30, THREAD_FPR30(\thread)
	ctc1	\tmp, fcr31
	.endm

	.macro	fpu_restore_16odd thread
	ldc1	$f1,  THREAD_FPR1(\thread)
	ldc1	$f3,  THREAD_FPR3(\thread)
	ldc1	$f5,  THREAD_FPR5(\thread)
	ldc1	$f7,  THREAD_FPR7(\thread)
	ldc1	$f9,  THREAD_FPR9(\thread)
	ldc1	$f11, THREAD_FPR11(\thread)
	ldc1	$f13, THREAD_FPR13(\thread)
	ldc1	$f15, THREAD_FPR15(\thread)
	ldc1	$f17, THREAD_FPR17(\thread)
	ldc1	$f19, THREAD_FPR19(\thread)
	ldc1	$f21, THREAD_FPR21(\thread)
	ldc1	$f23, THREAD_FPR23(\thread)
	ldc1	$f25, THREAD_FPR25(\thread)
	ldc1	$f27, THREAD_FPR27(\thread)
	ldc1	$f29, THREAD_FPR29(\thread)
	ldc1	$f31, THREAD_FPR31(\thread)
	.endm

	.macro	fpu_restore_double thread tmp
	mfc0	t0, CP0_STATUS
	sll	t1, t0, 5
	bgez	t1, 1f				# 16 register mode?

	fpu_restore_16odd a0
1:	fpu_restore_16even a0, t0		# clobbers t0
	.endm

	.macro	cpu_save_nonscratch thread
	LONG_S	s0, THREAD_REG16(\thread)
	LONG_S	s1, THREAD_REG17(\thread)
	LONG_S	s2, THREAD_REG18(\thread)
	LONG_S	s3, THREAD_REG19(\thread)
	LONG_S	s4, THREAD_REG20(\thread)
	LONG_S	s5, THREAD_REG21(\thread)
	LONG_S	s6, THREAD_REG22(\thread)
	LONG_S	s7, THREAD_REG23(\thread)
	LONG_S	sp, THREAD_REG29(\thread)
	LONG_S	fp, THREAD_REG30(\thread)
	.endm

	.macro	cpu_restore_nonscratch thread
	LONG_L	s0, THREAD_REG16(\thread)
	LONG_L	s1, THREAD_REG17(\thread)
	LONG_L	s2, THREAD_REG18(\thread)
	LONG_L	s3, THREAD_REG19(\thread)
	LONG_L	s4, THREAD_REG20(\thread)
	LONG_L	s5, THREAD_REG21(\thread)
	LONG_L	s6, THREAD_REG22(\thread)
	LONG_L	s7, THREAD_REG23(\thread)
	LONG_L	sp, THREAD_REG29(\thread)
	LONG_L	fp, THREAD_REG30(\thread)
	LONG_L	ra, THREAD_REG31(\thread)
	.endm

#endif /* _ASM_ASMMACRO_64_H */