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1 | /* Intel I860 opcde list for GDB, the GNU debugger. |
2 | Copyright (C) 1986, 1987 Free Software Foundation, Inc. | |
be9a2362 FF |
3 | |
4 | GDB is distributed in the hope that it will be useful, but WITHOUT ANY | |
5 | WARRANTY. No author or distributor accepts responsibility to anyone | |
6 | for the consequences of using it or for whether it serves any | |
7 | particular purpose or works at all, unless he says so in writing. | |
8 | Refer to the GDB General Public License for full details. | |
9 | ||
10 | Everyone is granted permission to copy, modify and redistribute GDB, | |
11 | but only under the conditions described in the GDB General Public | |
12 | License. A copy of this license is supposed to have been given to you | |
13 | along with GDB so you can know your rights and responsibilities. It | |
14 | should be in a file named COPYING. Among other things, the copyright | |
15 | notice and this notice must be preserved on all copies. | |
16 | ||
17 | In other words, go ahead and share GDB, but don't try to stop | |
18 | anyone else from sharing it farther. Help stamp out software hoarding! | |
19 | */ | |
20 | ||
21 | #ifdef BIG_ENDIAN | |
22 | struct gen_fmt | |
23 | { | |
24 | unsigned op1 : 6; | |
25 | unsigned src2 : 5; | |
26 | unsigned dest : 5; | |
27 | unsigned src1 : 5; | |
28 | unsigned offset : 11; | |
29 | }; | |
30 | ||
31 | struct geni_fmt | |
32 | { | |
33 | unsigned op1 : 6; | |
34 | unsigned src2 : 5; | |
35 | unsigned dest : 5; | |
36 | unsigned offset : 16; | |
37 | }; | |
38 | ||
39 | struct esc_fmt | |
40 | { | |
41 | unsigned op1 : 6; | |
42 | unsigned res1 : 10; | |
43 | unsigned src1 : 5; | |
44 | unsigned res2 : 6; | |
45 | unsigned op2 : 5; | |
46 | }; | |
47 | struct ctrl_fmt | |
48 | { | |
49 | unsigned op1 : 6; | |
50 | unsigned int offset : 26; | |
51 | }; | |
52 | ||
53 | struct fp_fmt | |
54 | { | |
55 | unsigned op1 : 6; | |
56 | unsigned src2 : 5; | |
57 | unsigned dest : 5; | |
58 | unsigned src1 : 5; | |
59 | unsigned p : 1; | |
60 | unsigned d : 1; | |
61 | unsigned s : 1; | |
62 | unsigned r : 1; | |
63 | unsigned op2 : 7; | |
64 | }; | |
65 | ||
66 | union insn_fmt | |
67 | { | |
68 | struct gen_fmt gen; | |
69 | struct geni_fmt geni; | |
70 | struct esc_fmt esc; | |
71 | struct ctrl_fmt ctrl; | |
72 | struct fp_fmt fp; | |
73 | long int_val; | |
74 | }; | |
75 | #else | |
76 | struct gen_fmt | |
77 | { | |
78 | unsigned offset : 11; | |
79 | unsigned src1 : 5; | |
80 | unsigned dest : 5; | |
81 | unsigned src2 : 5; | |
82 | unsigned op1 : 6; | |
83 | }; | |
84 | ||
85 | struct geni_fmt | |
86 | { | |
87 | unsigned offset : 16; | |
88 | unsigned dest : 5; | |
89 | unsigned src2 : 5; | |
90 | unsigned op1 : 6; | |
91 | }; | |
92 | ||
93 | struct esc_fmt | |
94 | { | |
95 | unsigned op2 : 5; | |
96 | unsigned res2 : 6; | |
97 | unsigned src1 : 5; | |
98 | unsigned res1 : 10; | |
99 | unsigned op1 : 6; | |
100 | }; | |
101 | struct ctrl_fmt | |
102 | { | |
103 | unsigned int offset : 26; | |
104 | unsigned op1 : 6; | |
105 | }; | |
106 | ||
107 | struct fp_fmt | |
108 | { | |
109 | unsigned op2 : 7; | |
110 | unsigned r : 1; | |
111 | unsigned s : 1; | |
112 | unsigned d : 1; | |
113 | unsigned p : 1; | |
114 | unsigned src1 : 5; | |
115 | unsigned dest : 5; | |
116 | unsigned src2 : 5; | |
117 | unsigned op1 : 6; | |
118 | }; | |
119 | ||
120 | union insn_fmt | |
121 | { | |
122 | struct gen_fmt gen; | |
123 | struct geni_fmt geni; | |
124 | struct esc_fmt esc; | |
125 | struct ctrl_fmt ctrl; | |
126 | struct fp_fmt fp; | |
127 | long int_val; | |
128 | }; | |
129 | #endif | |
130 | ||
131 | typedef enum | |
132 | { | |
133 | Error, not_branch, uncond, uncond_d, cond, cond_d | |
134 | } branch_type; |