Subversion Repositories HelenOS

Rev

Rev 306 | Go to most recent revision | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 306 Rev 313
1
/*
1
/*
2
 * Copyright (C) 2001-2004 Jakub Jermar
2
 * Copyright (C) 2001-2004 Jakub Jermar
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
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
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.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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
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.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
#ifndef __mips_CONTEXT_H__
29
#ifndef __mips_CONTEXT_H__
30
#define __mips_CONTEXT_H__
30
#define __mips_CONTEXT_H__
31
 
31
 
32
#define STACK_ITEM_SIZE 4
32
#define STACK_ITEM_SIZE 4
33
 
33
 
34
/* These are offsets into the register dump saved
34
/* These are offsets into the register dump saved
35
 * on exception entry
35
 * on exception entry
36
 */
36
 */
37
#define EOFFSET_AT 0
37
#define EOFFSET_AT 0
38
#define EOFFSET_V0 4
38
#define EOFFSET_V0 4
39
#define EOFFSET_V1 8
39
#define EOFFSET_V1 8
40
#define EOFFSET_A0 12
40
#define EOFFSET_A0 12
41
#define EOFFSET_A1 16
41
#define EOFFSET_A1 16
42
#define EOFFSET_A2 20
42
#define EOFFSET_A2 20
43
#define EOFFSET_A3 24
43
#define EOFFSET_A3 24
44
#define EOFFSET_A4 28
44
#define EOFFSET_A4 28
45
#define EOFFSET_T1 32
45
#define EOFFSET_T1 32
46
#define EOFFSET_T2 36
46
#define EOFFSET_T2 36
47
#define EOFFSET_T3 40
47
#define EOFFSET_T3 40
48
#define EOFFSET_T4 44
48
#define EOFFSET_T4 44
49
#define EOFFSET_T5 48
49
#define EOFFSET_T5 48
50
#define EOFFSET_T6 52
50
#define EOFFSET_T6 52
51
#define EOFFSET_T7 56
51
#define EOFFSET_T7 56
52
#define EOFFSET_T8 60
52
#define EOFFSET_T8 60
53
#define EOFFSET_T9 64
53
#define EOFFSET_T9 64
54
#define EOFFSET_S0 68
54
#define EOFFSET_S0 68
55
#define EOFFSET_S1 72
55
#define EOFFSET_S1 72
56
#define EOFFSET_S2 76
56
#define EOFFSET_S2 76
57
#define EOFFSET_S3 80
57
#define EOFFSET_S3 80
58
#define EOFFSET_S4 84
58
#define EOFFSET_S4 84
59
#define EOFFSET_S5 88
59
#define EOFFSET_S5 88
60
#define EOFFSET_S6 92
60
#define EOFFSET_S6 92
61
#define EOFFSET_S7 96
61
#define EOFFSET_S7 96
62
#define EOFFSET_S8 100
62
#define EOFFSET_S8 100
63
#define EOFFSET_GP 104
63
#define EOFFSET_GP 104
64
#define EOFFSET_RA 108
64
#define EOFFSET_RA 108
65
#define EOFFSET_LO 112
65
#define EOFFSET_SP 112
66
#define EOFFSET_HI 116
-
 
67
 
66
 
-
 
67
#define EOFFSET_LO 116
-
 
68
#define EOFFSET_HI 120
-
 
69
#define EOFFSET_STATUS 124
-
 
70
 
68
#define REGISTER_SPACE 120
71
#define REGISTER_SPACE 128
69
 
72
 
70
/*
73
/*
71
 * Put one item onto the stack to support get_stack_base().
74
 * Put one item onto the stack to support get_stack_base().
72
 */
75
 */
73
#define SP_DELTA    (0+STACK_ITEM_SIZE)
76
#define SP_DELTA    (0+STACK_ITEM_SIZE)
74
 
77
 
75
 
78
 
76
#ifndef __ASM__
79
#ifndef __ASM__
77
 
80
 
78
#ifndef __mips_TYPES_H_
81
#ifndef __mips_TYPES_H_
79
# include <arch/types.h>
82
# include <arch/types.h>
80
#endif
83
#endif
81
 
84
 
82
/*
85
/*
83
 * Only save registers that must be preserved across
86
 * Only save registers that must be preserved across
84
 * function calls.
87
 * function calls.
85
 */
88
 */
86
struct context {
89
struct context {
87
    __u32 sp;
90
    __u32 sp;
88
    __u32 pc;
91
    __u32 pc;
89
   
92
   
90
    __u32 s0;
93
    __u32 s0;
91
    __u32 s1;
94
    __u32 s1;
92
    __u32 s2;
95
    __u32 s2;
93
    __u32 s3;
96
    __u32 s3;
94
    __u32 s4;
97
    __u32 s4;
95
    __u32 s5;
98
    __u32 s5;
96
    __u32 s6;
99
    __u32 s6;
97
    __u32 s7;
100
    __u32 s7;
98
    __u32 s8;
101
    __u32 s8;
99
    __u32 gp;
102
    __u32 gp;
100
 
103
 
101
    __u32 pri;
104
    __u32 pri;
102
};
105
};
103
 
106
 
104
#endif /* __ASM__ */
107
#endif /* __ASM__ */
105
 
108
 
106
#endif
109
#endif
107
 
110