1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1
2 /* SPU ELF support for BFD.
3
4 Copyright 2006 Free Software Foundation, In
5
6 This file is part of GDB, GAS, and the GNU
7
8 */
9
10
11 /* These two enums are from rel_apu/common/spu
12 /* definition of instruction format */
13 typedef enum {
14 RRR,
15 RI18,
16 RI16,
17 RI10,
18 RI8,
19 RI7,
20 RR,
21 LBT,
22 LBTI,
23 IDATA,
24 UNKNOWN_IFORMAT
25 } spu_iformat;
26
27 /* These values describe assembly instruction
28 * how to encode, range checking and which rel
29 typedef enum {
30 A_T, /* register at pos 0 */
31 A_A, /* register at pos 7 */
32 A_B, /* register at pos 14 */
33 A_C, /* register at pos 21 */
34 A_S, /* special purpose register at pos 7 *
35 A_H, /* channel register at pos 7 */
36 A_P, /* parenthesis, this has to separate r
37 A_S3,
38 A_S6,
39 A_S7N,
40 A_S7,
41 A_U7A,
42 A_U7B,
43 A_S10B,
44 A_S10,
45 A_S11,
46 A_S11I,
47 A_S14,
48 A_S16,
49 A_S18,
50 A_R18,
51 A_U3,
52 A_U5,
53 A_U6,
54 A_U7,
55 A_U14,
56 A_X16,
57 A_U18,
58 A_MAX
59 } spu_aformat;
60
61 enum spu_insns {
62 #define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,AS
63 TAG,
64 #define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMON
65 TAG,
66 #include "spu-insns.h"
67 #undef APUOP
68 #undef APUOPFB
69 M_SPU_MAX
70 };
71
72 struct spu_opcode
73 {
74 spu_iformat insn_type;
75 unsigned int opcode;
76 char *mnemonic;
77 int arg[5];
78 };
79
80 #define SIGNED_EXTRACT(insn,size,pos) (((int)(
81 #define UNSIGNED_EXTRACT(insn,size,pos) (((ins
82
83 #define DECODE_INSN_RT(insn) (insn & 0x7f)
84 #define DECODE_INSN_RA(insn) ((insn >> 7) & 0x
85 #define DECODE_INSN_RB(insn) ((insn >> 14) & 0
86 #define DECODE_INSN_RC(insn) ((insn >> 21) & 0
87
88 #define DECODE_INSN_I10(insn) SIGNED_EXTRACT(i
89 #define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT
90
91 /* For branching, immediate loads, hbr and lq
92 #define DECODE_INSN_I16(insn) SIGNED_EXTRACT(i
93 #define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT
94
95 /* for stop */
96 #define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT
97
98 /* For ila */
99 #define DECODE_INSN_I18(insn) SIGNED_EXTRACT(i
100 #define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT
101
102 /* For rotate and shift and generate control m
103 #define DECODE_INSN_I7(insn) SIGNED_EXTRACT(in
104 #define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(
105
106 /* For float <-> int conversion */
107 #define DECODE_INSN_I8(insn) SIGNED_EXTRACT(i
108 #define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(
109
110 /* For hbr */
111 #define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT
112 #define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT
113 #define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRA
114 #define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRA
115
116
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