1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/* moxie-opc.c -- Definitions for moxie opcodes.
Copyright 2009 Free Software Foundation, Inc.
Contributed by Anthony Green (green@moxielogic.com).
This file is part of the GNU opcodes library.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with this file; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include "opcode/moxie.h"
/* The moxie processor's 16-bit instructions come in two forms:
FORM 1 instructions start with a 0 bit...
0oooooooaaaabbbb
0 F
ooooooo - form 1 opcode number
aaaa - operand A
bbbb - operand B
FORM 2 instructions start with bits "10"...
10ooaaaavvvvvvvv
0 F
oo - form 2 opcode number
aaaa - operand A
vvvvvvvv - 8-bit immediate value
FORM 3 instructions start with a bits "11"...
11oooovvvvvvvvvv
0 F
oooo - form 3 opcode number
vvvvvvvvvv - 10-bit immediate value. */
/* Note that currently two opcodes are reserved as bad, so that all
instructions starting with 0x00 and 0xff fault. */
const moxie_opc_info_t moxie_form1_opc_info[64] =
{
{ 0x00, MOXIE_F1_NARG, "bad" }, // Reserved as bad.
{ 0x01, MOXIE_F1_A4, "ldi.l" },
{ 0x02, MOXIE_F1_AB, "mov" },
{ 0x03, MOXIE_F1_M, "jsra" },
{ 0x04, MOXIE_F1_NARG, "ret" },
{ 0x05, MOXIE_F1_AB, "add.l" },
{ 0x06, MOXIE_F1_AB, "push" },
{ 0x07, MOXIE_F1_AB, "pop" },
{ 0x08, MOXIE_F1_A4, "lda.l" },
{ 0x09, MOXIE_F1_4A, "sta.l" },
{ 0x0a, MOXIE_F1_ABi, "ld.l" },
{ 0x0b, MOXIE_F1_AiB, "st.l" },
{ 0x0c, MOXIE_F1_ABi4, "ldo.l" },
{ 0x0d, MOXIE_F1_AiB4, "sto.l" },
{ 0x0e, MOXIE_F1_AB, "cmp" },
{ 0x0f, MOXIE_F1_NARG, "nop" },
{ 0x10, MOXIE_F1_NARG, "bad" },
{ 0x11, MOXIE_F1_NARG, "bad" },
{ 0x12, MOXIE_F1_NARG, "bad" },
{ 0x13, MOXIE_F1_NARG, "bad" },
{ 0x14, MOXIE_F1_NARG, "bad" },
{ 0x15, MOXIE_F1_NARG, "bad" },
{ 0x16, MOXIE_F1_NARG, "bad" },
{ 0x17, MOXIE_F1_NARG, "bad" },
{ 0x18, MOXIE_F1_NARG, "bad" },
{ 0x19, MOXIE_F1_A, "jsr" },
{ 0x1a, MOXIE_F1_M, "jmpa" },
{ 0x1b, MOXIE_F1_A4, "ldi.b" },
{ 0x1c, MOXIE_F1_ABi, "ld.b" },
{ 0x1d, MOXIE_F1_A4, "lda.b" },
{ 0x1e, MOXIE_F1_AiB, "st.b" },
{ 0x1f, MOXIE_F1_4A, "sta.b" },
{ 0x20, MOXIE_F1_A4, "ldi.s" },
{ 0x21, MOXIE_F1_ABi, "ld.s" },
{ 0x22, MOXIE_F1_A4, "lda.s" },
{ 0x23, MOXIE_F1_AiB, "st.s" },
{ 0x24, MOXIE_F1_4A, "sta.s" },
{ 0x25, MOXIE_F1_A, "jmp" },
{ 0x26, MOXIE_F1_AB, "and" },
{ 0x27, MOXIE_F1_AB, "lshr" },
{ 0x28, MOXIE_F1_AB, "ashl" },
{ 0x29, MOXIE_F1_AB, "sub.l" },
{ 0x2a, MOXIE_F1_AB, "neg" },
{ 0x2b, MOXIE_F1_AB, "or" },
{ 0x2c, MOXIE_F1_AB, "not" },
{ 0x2d, MOXIE_F1_AB, "ashr" },
{ 0x2e, MOXIE_F1_AB, "xor" },
{ 0x2f, MOXIE_F1_AB, "mul.l" },
{ 0x30, MOXIE_F1_4, "swi" },
{ 0x31, MOXIE_F1_AB, "div.l" },
{ 0x32, MOXIE_F1_AB, "udiv.l" },
{ 0x33, MOXIE_F1_AB, "mod.l" },
{ 0x34, MOXIE_F1_AB, "umod.l" },
{ 0x35, MOXIE_F1_NARG, "brk" },
{ 0x36, MOXIE_F1_ABi4, "ldo.b" },
{ 0x37, MOXIE_F1_AiB4, "sto.b" },
{ 0x38, MOXIE_F1_ABi4, "ldo.s" },
{ 0x39, MOXIE_F1_AiB4, "sto.s" },
{ 0x3a, MOXIE_F1_NARG, "bad" },
{ 0x3b, MOXIE_F1_NARG, "bad" },
{ 0x3c, MOXIE_F1_NARG, "bad" },
{ 0x3d, MOXIE_F1_NARG, "bad" },
{ 0x3e, MOXIE_F1_NARG, "bad" },
{ 0x3f, MOXIE_F1_NARG, "bad" }
};
const moxie_opc_info_t moxie_form2_opc_info[4] =
{
{ 0x00, MOXIE_F2_A8V, "inc" },
{ 0x01, MOXIE_F2_A8V, "dec" },
{ 0x02, MOXIE_F2_A8V, "gsr" },
{ 0x03, MOXIE_F2_A8V, "ssr" }
};
const moxie_opc_info_t moxie_form3_opc_info[16] =
{
{ 0x00, MOXIE_F3_PCREL,"beq" },
{ 0x01, MOXIE_F3_PCREL,"bne" },
{ 0x02, MOXIE_F3_PCREL,"blt" },
{ 0x03, MOXIE_F3_PCREL,"bgt" },
{ 0x04, MOXIE_F3_PCREL,"bltu" },
{ 0x05, MOXIE_F3_PCREL,"bgtu" },
{ 0x06, MOXIE_F3_PCREL,"bge" },
{ 0x07, MOXIE_F3_PCREL,"ble" },
{ 0x08, MOXIE_F3_PCREL,"bgeu" },
{ 0x09, MOXIE_F3_PCREL,"bleu" },
{ 0x0a, MOXIE_F3_NARG, "bad" },
{ 0x0b, MOXIE_F3_NARG, "bad" },
{ 0x0c, MOXIE_F3_NARG, "bad" },
{ 0x0d, MOXIE_F3_NARG, "bad" },
{ 0x0e, MOXIE_F3_NARG, "bad" },
{ 0x0f, MOXIE_F3_NARG, "bad" } // Reserved as bad.
};
|
