Subversion Repositories HelenOS

Rev

Rev 2927 | Rev 4343 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1949 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Martin Decky
1949 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
#ifndef KERN_mips32_CONTEXT_OFFSET_H_
30
#define KERN_mips32_CONTEXT_OFFSET_H_
31
 
860 decky 32
#define OFFSET_SP      0x0
33
#define OFFSET_PC      0x4
34
#define OFFSET_S0      0x8
35
#define OFFSET_S1      0xc
36
#define OFFSET_S2      0x10
37
#define OFFSET_S3      0x14
38
#define OFFSET_S4      0x18
39
#define OFFSET_S5      0x1c
40
#define OFFSET_S6      0x20
41
#define OFFSET_S7      0x24
42
#define OFFSET_S8      0x28
43
#define OFFSET_GP      0x2c
457 decky 44
 
2779 cejka 45
#ifdef KERNEL
46
# define OFFSET_IPL     0x30
47
#else
48
# define OFFSET_TLS     0x30
49
 
50
# define OFFSET_F20     0x34
51
# define OFFSET_F21     0x38
52
# define OFFSET_F22     0x3c
53
# define OFFSET_F23     0x40
54
# define OFFSET_F24     0x44
55
# define OFFSET_F25     0x48
56
# define OFFSET_F26     0x4c
57
# define OFFSET_F27     0x50
58
# define OFFSET_F28     0x54
59
# define OFFSET_F29     0x58
60
# define OFFSET_F30     0x5c
61
#endif /* KERNEL */
62
 
2089 decky 63
/* istate_t */
860 decky 64
#define EOFFSET_AT     0x0
65
#define EOFFSET_V0     0x4
66
#define EOFFSET_V1     0x8
67
#define EOFFSET_A0     0xc
68
#define EOFFSET_A1     0x10
69
#define EOFFSET_A2     0x14
70
#define EOFFSET_A3     0x18
71
#define EOFFSET_T0     0x1c
72
#define EOFFSET_T1     0x20
73
#define EOFFSET_T2     0x24
74
#define EOFFSET_T3     0x28
75
#define EOFFSET_T4     0x2c
76
#define EOFFSET_T5     0x30
77
#define EOFFSET_T6     0x34
78
#define EOFFSET_T7     0x38
79
#define EOFFSET_S0     0x3c
80
#define EOFFSET_S1     0x40
81
#define EOFFSET_S2     0x44
82
#define EOFFSET_S3     0x48
83
#define EOFFSET_S4     0x4c
84
#define EOFFSET_S5     0x50
85
#define EOFFSET_S6     0x54
86
#define EOFFSET_S7     0x58
87
#define EOFFSET_T8     0x5c
88
#define EOFFSET_T9     0x60
89
#define EOFFSET_GP     0x64
90
#define EOFFSET_SP     0x68
91
#define EOFFSET_S8     0x6c
92
#define EOFFSET_RA     0x70
93
#define EOFFSET_LO     0x74
94
#define EOFFSET_HI     0x78
95
#define EOFFSET_STATUS 0x7c
96
#define EOFFSET_EPC    0x80
1102 palkovsky 97
#define EOFFSET_K1     0x84
1054 cejka 98
#define REGISTER_SPACE 136
1949 jermar 99
 
2779 cejka 100
#ifdef __ASM__
101
 
102
#include <arch/asm/regname.h>
103
 
104
# ctx: address of the structure with saved context
105
.macro CONTEXT_SAVE_ARCH_CORE ctx:req
106
    sw $s0,OFFSET_S0(\ctx)
107
    sw $s1,OFFSET_S1(\ctx)
108
    sw $s2,OFFSET_S2(\ctx)
109
    sw $s3,OFFSET_S3(\ctx)
110
    sw $s4,OFFSET_S4(\ctx)
111
    sw $s5,OFFSET_S5(\ctx)
112
    sw $s6,OFFSET_S6(\ctx)
113
    sw $s7,OFFSET_S7(\ctx)
114
    sw $s8,OFFSET_S8(\ctx)
115
    sw $gp,OFFSET_GP(\ctx)
116
 
4342 svoboda 117
#ifndef KERNEL
2779 cejka 118
    sw $k1,OFFSET_TLS(\ctx)
119
 
4342 svoboda 120
#ifdef CONFIG_FPU
2779 cejka 121
    mfc1 $t0,$20
122
    sw $t0, OFFSET_F20(\ctx)
123
 
124
    mfc1 $t0,$21
125
    sw $t0, OFFSET_F21(\ctx)
126
 
127
    mfc1 $t0,$22
128
    sw $t0, OFFSET_F22(\ctx)
129
 
130
    mfc1 $t0,$23
131
    sw $t0, OFFSET_F23(\ctx)
132
 
133
    mfc1 $t0,$24
134
    sw $t0, OFFSET_F24(\ctx)
135
 
136
    mfc1 $t0,$25
137
    sw $t0, OFFSET_F25(\ctx)
138
 
139
    mfc1 $t0,$26
140
    sw $t0, OFFSET_F26(\ctx)
141
 
142
    mfc1 $t0,$27
143
    sw $t0, OFFSET_F27(\ctx)
144
 
145
    mfc1 $t0,$28
146
    sw $t0, OFFSET_F28(\ctx)
147
 
148
    mfc1 $t0,$29
149
    sw $t0, OFFSET_F29(\ctx)
150
 
151
    mfc1 $t0,$30
152
    sw $t0, OFFSET_F30(\ctx)
4342 svoboda 153
#endif /* CONFIG_FPU */
2779 cejka 154
#endif /* KERNEL */
155
 
156
    sw $ra,OFFSET_PC(\ctx)
157
    sw $sp,OFFSET_SP(\ctx)
158
.endm
159
 
160
# ctx: address of the structure with saved context
161
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req
162
    lw $s0,OFFSET_S0(\ctx)
163
    lw $s1,OFFSET_S1(\ctx)
164
    lw $s2,OFFSET_S2(\ctx)
165
    lw $s3,OFFSET_S3(\ctx)
166
    lw $s4,OFFSET_S4(\ctx)
167
    lw $s5,OFFSET_S5(\ctx)
168
    lw $s6,OFFSET_S6(\ctx)
169
    lw $s7,OFFSET_S7(\ctx)
170
    lw $s8,OFFSET_S8(\ctx)
171
    lw $gp,OFFSET_GP(\ctx)
172
#ifndef KERNEL
173
    lw $k1,OFFSET_TLS(\ctx)
174
 
4342 svoboda 175
#ifdef CONFIG_FPU
2779 cejka 176
    lw $t0, OFFSET_F20(\ctx)
177
    mtc1 $t0,$20
178
 
179
    lw $t0, OFFSET_F21(\ctx)
180
    mtc1 $t0,$21
181
 
182
    lw $t0, OFFSET_F22(\ctx)
183
    mtc1 $t0,$22
184
 
185
    lw $t0, OFFSET_F23(\ctx)
186
    mtc1 $t0,$23
187
 
188
    lw $t0, OFFSET_F24(\ctx)
189
    mtc1 $t0,$24
190
 
191
    lw $t0, OFFSET_F25(\ctx)
192
    mtc1 $t0,$25
193
 
194
    lw $t0, OFFSET_F26(\ctx)
195
    mtc1 $t0,$26
196
 
197
    lw $t0, OFFSET_F27(\ctx)
198
    mtc1 $t0,$27
199
 
200
    lw $t0, OFFSET_F28(\ctx)
201
    mtc1 $t0,$28
202
 
203
    lw $t0, OFFSET_F29(\ctx)
204
    mtc1 $t0,$29
205
 
206
    lw $t0, OFFSET_F30(\ctx)
207
    mtc1 $t0,$30
4342 svoboda 208
#endif /* CONFIG_FPU */
2779 cejka 209
#endif /* KERNEL */
4342 svoboda 210
 
2779 cejka 211
    lw $ra,OFFSET_PC(\ctx)
212
    lw $sp,OFFSET_SP(\ctx)
213
.endm
214
 
1949 jermar 215
#endif
2779 cejka 216
 
217
 
218
#endif