1/* moxie-opc.c -- Definitions for moxie opcodes.
2   Copyright (C) 2009-2017 Free Software Foundation, Inc.
3   Contributed by Anthony Green (green@moxielogic.com).
4
5   This file is part of the GNU opcodes library.
6
7   This library is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3, or (at your option)
10   any later version.
11
12   It is distributed in the hope that it will be useful, but WITHOUT
13   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15   License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this file; see the file COPYING.  If not, write to the
19   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20   MA 02110-1301, USA.  */
21
22#include "sysdep.h"
23#include "opcode/moxie.h"
24
25/* The moxie processor's 16-bit instructions come in two forms:
26
27  FORM 1 instructions start with a 0 bit...
28
29    0oooooooaaaabbbb
30    0              F
31
32   ooooooo - form 1 opcode number
33   aaaa    - operand A
34   bbbb    - operand B
35
36  FORM 2 instructions start with bits "10"...
37
38    10ooaaaavvvvvvvv
39    0              F
40
41   oo       - form 2 opcode number
42   aaaa     - operand A
43   vvvvvvvv - 8-bit immediate value
44
45  FORM 3 instructions start with a bits "11"...
46
47    11oooovvvvvvvvvv
48    0              F
49
50   oooo         - form 3 opcode number
51   vvvvvvvvvv   - 10-bit immediate value.  */
52
53const moxie_opc_info_t moxie_form1_opc_info[128] =
54  {
55    { 0x00, MOXIE_BAD,     "bad" },  // Reserved as bad.
56    { 0x01, MOXIE_F1_A4,   "ldi.l" },
57    { 0x02, MOXIE_F1_AB,   "mov" },
58    { 0x03, MOXIE_F1_M,    "jsra" },
59    { 0x04, MOXIE_F1_NARG, "ret" },
60    { 0x05, MOXIE_F1_AB,   "add" },
61    { 0x06, MOXIE_F1_AB,   "push" },
62    { 0x07, MOXIE_F1_AB,   "pop" },
63    { 0x08, MOXIE_F1_A4,   "lda.l" },
64    { 0x09, MOXIE_F1_4A,   "sta.l" },
65    { 0x0a, MOXIE_F1_ABi,  "ld.l" },
66    { 0x0b, MOXIE_F1_AiB,  "st.l" },
67    { 0x0c, MOXIE_F1_ABi2, "ldo.l" },
68    { 0x0d, MOXIE_F1_AiB2, "sto.l" },
69    { 0x0e, MOXIE_F1_AB,   "cmp" },
70    { 0x0f, MOXIE_F1_NARG, "nop" },
71    { 0x10, MOXIE_F1_AB,   "sex.b" },
72    { 0x11, MOXIE_F1_AB,   "sex.s" },
73    { 0x12, MOXIE_F1_AB,   "zex.b" },
74    { 0x13, MOXIE_F1_AB,   "zex.s" },
75    { 0x14, MOXIE_F1_AB,   "umul.x" },
76    { 0x15, MOXIE_F1_AB,   "mul.x" },
77    { 0x16, MOXIE_BAD,     "bad" },
78    { 0x17, MOXIE_BAD,     "bad" },
79    { 0x18, MOXIE_BAD,     "bad" },
80    { 0x19, MOXIE_F1_A,    "jsr" },
81    { 0x1a, MOXIE_F1_M,    "jmpa" },
82    { 0x1b, MOXIE_F1_A4,   "ldi.b" },
83    { 0x1c, MOXIE_F1_ABi,  "ld.b" },
84    { 0x1d, MOXIE_F1_A4,   "lda.b" },
85    { 0x1e, MOXIE_F1_AiB,  "st.b" },
86    { 0x1f, MOXIE_F1_4A,   "sta.b" },
87    { 0x20, MOXIE_F1_A4,   "ldi.s" },
88    { 0x21, MOXIE_F1_ABi,  "ld.s" },
89    { 0x22, MOXIE_F1_A4,   "lda.s" },
90    { 0x23, MOXIE_F1_AiB,  "st.s" },
91    { 0x24, MOXIE_F1_4A,   "sta.s" },
92    { 0x25, MOXIE_F1_A,    "jmp" },
93    { 0x26, MOXIE_F1_AB,   "and" },
94    { 0x27, MOXIE_F1_AB,   "lshr" },
95    { 0x28, MOXIE_F1_AB,   "ashl" },
96    { 0x29, MOXIE_F1_AB,   "sub" },
97    { 0x2a, MOXIE_F1_AB,   "neg" },
98    { 0x2b, MOXIE_F1_AB,   "or" },
99    { 0x2c, MOXIE_F1_AB,   "not" },
100    { 0x2d, MOXIE_F1_AB,   "ashr" },
101    { 0x2e, MOXIE_F1_AB,   "xor" },
102    { 0x2f, MOXIE_F1_AB,   "mul" },
103    { 0x30, MOXIE_F1_4,    "swi" },
104    { 0x31, MOXIE_F1_AB,   "div" },
105    { 0x32, MOXIE_F1_AB,   "udiv" },
106    { 0x33, MOXIE_F1_AB,   "mod" },
107    { 0x34, MOXIE_F1_AB,   "umod" },
108    { 0x35, MOXIE_F1_NARG, "brk" },
109    { 0x36, MOXIE_F1_ABi2, "ldo.b" },
110    { 0x37, MOXIE_F1_AiB2, "sto.b" },
111    { 0x38, MOXIE_F1_ABi2, "ldo.s" },
112    { 0x39, MOXIE_F1_AiB2, "sto.s" },
113    { 0x3a, MOXIE_BAD,     "bad" },
114    { 0x3b, MOXIE_BAD,     "bad" },
115    { 0x3c, MOXIE_BAD,     "bad" },
116    { 0x3d, MOXIE_BAD,     "bad" },
117    { 0x3e, MOXIE_BAD,     "bad" },
118    { 0x3f, MOXIE_BAD,     "bad" },
119    { 0x40, MOXIE_BAD,     "bad" },
120    { 0x41, MOXIE_BAD,     "bad" },
121    { 0x42, MOXIE_BAD,     "bad" },
122    { 0x43, MOXIE_BAD,     "bad" },
123    { 0x44, MOXIE_BAD,     "bad" },
124    { 0x45, MOXIE_BAD,     "bad" },
125    { 0x46, MOXIE_BAD,     "bad" },
126    { 0x47, MOXIE_BAD,     "bad" },
127    { 0x48, MOXIE_BAD,     "bad" },
128    { 0x49, MOXIE_BAD,     "bad" },
129    { 0x4a, MOXIE_BAD,     "bad" },
130    { 0x4b, MOXIE_BAD,     "bad" },
131    { 0x4c, MOXIE_BAD,     "bad" },
132    { 0x4d, MOXIE_BAD,     "bad" },
133    { 0x4e, MOXIE_BAD,     "bad" },
134    { 0x4f, MOXIE_BAD,     "bad" },
135    { 0x50, MOXIE_BAD,     "bad" },
136    { 0x51, MOXIE_BAD,     "bad" },
137    { 0x52, MOXIE_BAD,     "bad" },
138    { 0x53, MOXIE_BAD,     "bad" },
139    { 0x54, MOXIE_BAD,     "bad" },
140    { 0x55, MOXIE_BAD,     "bad" },
141    { 0x56, MOXIE_BAD,     "bad" },
142    { 0x57, MOXIE_BAD,     "bad" },
143    { 0x58, MOXIE_BAD,     "bad" },
144    { 0x59, MOXIE_BAD,     "bad" },
145    { 0x5a, MOXIE_BAD,     "bad" },
146    { 0x5b, MOXIE_BAD,     "bad" },
147    { 0x5c, MOXIE_BAD,     "bad" },
148    { 0x5d, MOXIE_BAD,     "bad" },
149    { 0x5e, MOXIE_BAD,     "bad" },
150    { 0x5f, MOXIE_BAD,     "bad" },
151    { 0x60, MOXIE_BAD,     "bad" },
152    { 0x61, MOXIE_BAD,     "bad" },
153    { 0x62, MOXIE_BAD,     "bad" },
154    { 0x63, MOXIE_BAD,     "bad" },
155    { 0x64, MOXIE_BAD,     "bad" },
156    { 0x65, MOXIE_BAD,     "bad" },
157    { 0x66, MOXIE_BAD,     "bad" },
158    { 0x67, MOXIE_BAD,     "bad" },
159    { 0x68, MOXIE_BAD,     "bad" },
160    { 0x69, MOXIE_BAD,     "bad" },
161    { 0x6a, MOXIE_BAD,     "bad" },
162    { 0x6b, MOXIE_BAD,     "bad" },
163    { 0x6c, MOXIE_BAD,     "bad" },
164    { 0x6d, MOXIE_BAD,     "bad" },
165    { 0x6e, MOXIE_BAD,     "bad" },
166    { 0x6f, MOXIE_BAD,     "bad" },
167    { 0x70, MOXIE_BAD,     "bad" },
168    { 0x71, MOXIE_BAD,     "bad" },
169    { 0x72, MOXIE_BAD,     "bad" },
170    { 0x73, MOXIE_BAD,     "bad" },
171    { 0x74, MOXIE_BAD,     "bad" },
172    { 0x75, MOXIE_BAD,     "bad" },
173    { 0x76, MOXIE_BAD,     "bad" },
174    { 0x77, MOXIE_BAD,     "bad" },
175    { 0x78, MOXIE_BAD,     "bad" },
176    { 0x79, MOXIE_BAD,     "bad" },
177    { 0x7a, MOXIE_BAD,     "bad" },
178    { 0x7b, MOXIE_BAD,     "bad" },
179    { 0x7c, MOXIE_BAD,     "bad" },
180    { 0x7d, MOXIE_BAD,     "bad" },
181    { 0x7e, MOXIE_BAD,     "bad" },
182    { 0x7f, MOXIE_BAD,     "bad" }
183  };
184
185const moxie_opc_info_t moxie_form2_opc_info[4] =
186  {
187    { 0x00, MOXIE_F2_A8V,  "inc" },
188    { 0x01, MOXIE_F2_A8V,  "dec" },
189    { 0x02, MOXIE_F2_A8V,  "gsr" },
190    { 0x03, MOXIE_F2_A8V,  "ssr" }
191  };
192
193const moxie_opc_info_t moxie_form3_opc_info[16] =
194  {
195    { 0x00, MOXIE_F3_PCREL,"beq" },
196    { 0x01, MOXIE_F3_PCREL,"bne" },
197    { 0x02, MOXIE_F3_PCREL,"blt" },
198    { 0x03, MOXIE_F3_PCREL,"bgt" },
199    { 0x04, MOXIE_F3_PCREL,"bltu" },
200    { 0x05, MOXIE_F3_PCREL,"bgtu" },
201    { 0x06, MOXIE_F3_PCREL,"bge" },
202    { 0x07, MOXIE_F3_PCREL,"ble" },
203    { 0x08, MOXIE_F3_PCREL,"bgeu" },
204    { 0x09, MOXIE_F3_PCREL,"bleu" },
205    { 0x0a, MOXIE_BAD,     "bad" },
206    { 0x0b, MOXIE_BAD,     "bad" },
207    { 0x0c, MOXIE_BAD,     "bad" },
208    { 0x0d, MOXIE_BAD,     "bad" },
209    { 0x0e, MOXIE_BAD,     "bad" },
210    { 0x0f, MOXIE_BAD,     "bad" }  // Reserved as bad.
211  };
212