07e422686d5ca75d1141bac3cf46543e30b5e5b8
[deliverable/binutils-gdb.git] / include / opcode / moxie.h
1 /* Definitions for decoding the moxie opcode table.
2 Copyright (C) 2009-2015 Free Software Foundation, Inc.
3 Contributed by Anthony Green (green@moxielogic.com).
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
18 02110-1301, USA. */
19
20 /* Form 1 instructions come in different flavors:
21
22 Some have no arguments (MOXIE_F1_NARG)
23 Some only use the A operand (MOXIE_F1_A)
24 Some use A and B registers (MOXIE_F1_AB)
25 Some use A and consume a 4 byte immediate value (MOXIE_F1_A4)
26 Some use just a 4 byte immediate value (MOXIE_F1_4)
27 Some use just a 4 byte memory address (MOXIE_F1_M)
28 Some use B and an indirect A (MOXIE_F1_AiB)
29 Some use A and an indirect B (MOXIE_F1_ABi)
30 Some consume a 4 byte immediate value and use X (MOXIE_F1_4A)
31 Some use B and an indirect A plus 2 byte offset (MOXIE_F1_AiB2)
32 Some use A and an indirect B plus 2 byte offset (MOXIE_F1_ABi2)
33
34 Form 2 instructions also come in different flavors:
35
36 Some have no arguments (MOXIE_F2_NARG)
37 Some use the A register and an 8-bit value (MOXIE_F2_A8V)
38
39 Form 3 instructions also come in different flavors:
40
41 Some have no arguments (MOXIE_F3_NARG)
42 Some have a 10-bit PC relative operand (MOXIE_F3_PCREL). */
43
44 #define MOXIE_F1_NARG 0x100
45 #define MOXIE_F1_A 0x101
46 #define MOXIE_F1_AB 0x102
47 /* #define MOXIE_F1_ABC 0x103 */
48 #define MOXIE_F1_A4 0x104
49 #define MOXIE_F1_4 0x105
50 #define MOXIE_F1_AiB 0x106
51 #define MOXIE_F1_ABi 0x107
52 #define MOXIE_F1_4A 0x108
53 #define MOXIE_F1_AiB2 0x109
54 #define MOXIE_F1_ABi2 0x10a
55 #define MOXIE_F1_M 0x10b
56
57 #define MOXIE_F2_NARG 0x200
58 #define MOXIE_F2_A8V 0x201
59
60 #define MOXIE_F3_NARG 0x300
61 #define MOXIE_F3_PCREL 0x301
62
63 #define MOXIE_BAD 0x400
64
65 typedef struct moxie_opc_info_t
66 {
67 short opcode;
68 unsigned itype;
69 const char * name;
70 } moxie_opc_info_t;
71
72 extern const moxie_opc_info_t moxie_form1_opc_info[128];
73 extern const moxie_opc_info_t moxie_form2_opc_info[4];
74 extern const moxie_opc_info_t moxie_form3_opc_info[16];
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