blob: 346cefa0a23a31faec89f3f6e1832f2e5fd12590 (
plain)
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
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*/
#ifndef __ASM_NIOS2_OPCODES_H_
#define __ASM_NIOS2_OPCODES_H_
#define OPCODE_OP(inst) ((inst) & 0x3f)
#define OPCODE_OPX(inst) (((inst)>>11) & 0x3f)
#define OPCODE_RA(inst) (((inst)>>27) & 01f)
#define OPCODE_RB(inst) (((inst)>>22) & 01f)
#define OPCODE_RC(inst) (((inst)>>17) & 01f)
/* I-TYPE (immediate) and J-TYPE (jump) opcodes
*/
#define OPCODE_CALL 0x00
#define OPCODE_LDBU 0x03
#define OPCODE_ADDI 0x04
#define OPCODE_STB 0x05
#define OPCODE_BR 0x06
#define OPCODE_LDB 0x07
#define OPCODE_CMPGEI 0x08
#define OPCODE_LDHU 0x0B
#define OPCODE_ANDI 0x0C
#define OPCODE_STH 0x0D
#define OPCODE_BGE 0x0E
#define OPCODE_LDH 0x0F
#define OPCODE_CMPLTI 0x10
#define OPCODE_XORI 0x1C
#define OPCODE_ORI 0x14
#define OPCODE_STW 0x15
#define OPCODE_BLT 0x16
#define OPCODE_LDW 0x17
#define OPCODE_CMPNEI 0x18
#define OPCODE_BNE 0x1E
#define OPCODE_CMPEQI 0x20
#define OPCODE_LDBUIO 0x23
#define OPCODE_MULI 0x24
#define OPCODE_STBIO 0x25
#define OPCODE_BEQ 0x26
#define OPCODE_LDBIO 0x27
#define OPCODE_CMPGEUI 0x28
#define OPCODE_ANDHI 0x2C
#define OPCODE_STHIO 0x2D
#define OPCODE_BGEU 0x2E
#define OPCODE_LDHIO 0x2F
#define OPCODE_CMPLTUI 0x30
#define OPCODE_CUSTOM 0x32
#define OPCODE_INITD 0x33
#define OPCODE_ORHI 0x34
#define OPCODE_STWIO 0x35
#define OPCODE_BLTU 0x36
#define OPCODE_LDWIO 0x37
#define OPCODE_RTYPE 0x3A
#define OPCODE_LDHUIO 0x2B
#define OPCODE_FLUSHD 0x3B
#define OPCODE_XORHI 0x3C
/* R-Type (register) OPX field encodings
*/
#define OPCODE_ERET 0x01
#define OPCODE_ROLI 0x02
#define OPCODE_ROL 0x03
#define OPCODE_FLUSHP 0x04
#define OPCODE_RET 0x05
#define OPCODE_NOR 0x06
#define OPCODE_MULXUU 0x07
#define OPCODE_CMPGE 0x08
#define OPCODE_BRET 0x09
#define OPCODE_ROR 0x0B
#define OPCODE_FLUSHI 0x0C
#define OPCODE_JMP 0x0D
#define OPCODE_AND 0x0E
#define OPCODE_CMPLT 0x10
#define OPCODE_SLLI 0x12
#define OPCODE_SLL 0x13
#define OPCODE_OR 0x16
#define OPCODE_MULXSU 0x17
#define OPCODE_CMPNE 0x18
#define OPCODE_SRLI 0x1A
#define OPCODE_SRL 0x1B
#define OPCODE_NEXTPC 0x1C
#define OPCODE_CALLR 0x1D
#define OPCODE_XOR 0x1E
#define OPCODE_MULXSS 0x1F
#define OPCODE_CMPEQ 0x20
#define OPCODE_CMPLTU 0x30
#define OPCODE_ADD 0x31
#define OPCODE_DIVU 0x24
#define OPCODE_DIV 0x25
#define OPCODE_RDCTL 0x26
#define OPCODE_MUL 0x27
#define OPCODE_CMPGEU 0x28
#define OPCODE_TRAP 0x2D
#define OPCODE_WRCTL 0x2E
#define OPCODE_BREAK 0x34
#define OPCODE_SYNC 0x36
#define OPCODE_INITI 0x29
#define OPCODE_SUB 0x39
#define OPCODE_SRAI 0x3A
#define OPCODE_SRA 0x3B
/*Full instruction encodings for R-Type, without the R's ;-)
*
* TODO: BREAK, BRET, ERET, RET, SYNC (as needed)
*/
#define OPC_TRAP 0x003b683a
#endif /* __ASM_NIOS2_OPCODES_H_ */
|