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Diffstat (limited to 'arch/powerpc/xmon/spu.h')
-rw-r--r-- | arch/powerpc/xmon/spu.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/arch/powerpc/xmon/spu.h b/arch/powerpc/xmon/spu.h new file mode 100644 index 000000000000..c761fc8f35d8 --- /dev/null +++ b/arch/powerpc/xmon/spu.h | |||
@@ -0,0 +1,126 @@ | |||
1 | /* SPU ELF support for BFD. | ||
2 | |||
3 | Copyright 2006 Free Software Foundation, Inc. | ||
4 | |||
5 | This file is part of GDB, GAS, and the GNU binutils. | ||
6 | |||
7 | This program 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 2 of the License, or | ||
10 | (at your option) any later version. | ||
11 | |||
12 | This program is distributed in the hope that it will be useful, | ||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | GNU General Public License for more details. | ||
16 | |||
17 | You should have received a copy of the GNU General Public License | ||
18 | along with this program; if not, write to the Free Software Foundation, | ||
19 | Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
20 | |||
21 | |||
22 | /* These two enums are from rel_apu/common/spu_asm_format.h */ | ||
23 | /* definition of instruction format */ | ||
24 | typedef enum { | ||
25 | RRR, | ||
26 | RI18, | ||
27 | RI16, | ||
28 | RI10, | ||
29 | RI8, | ||
30 | RI7, | ||
31 | RR, | ||
32 | LBT, | ||
33 | LBTI, | ||
34 | IDATA, | ||
35 | UNKNOWN_IFORMAT | ||
36 | } spu_iformat; | ||
37 | |||
38 | /* These values describe assembly instruction arguments. They indicate | ||
39 | * how to encode, range checking and which relocation to use. */ | ||
40 | typedef enum { | ||
41 | A_T, /* register at pos 0 */ | ||
42 | A_A, /* register at pos 7 */ | ||
43 | A_B, /* register at pos 14 */ | ||
44 | A_C, /* register at pos 21 */ | ||
45 | A_S, /* special purpose register at pos 7 */ | ||
46 | A_H, /* channel register at pos 7 */ | ||
47 | A_P, /* parenthesis, this has to separate regs from immediates */ | ||
48 | A_S3, | ||
49 | A_S6, | ||
50 | A_S7N, | ||
51 | A_S7, | ||
52 | A_U7A, | ||
53 | A_U7B, | ||
54 | A_S10B, | ||
55 | A_S10, | ||
56 | A_S11, | ||
57 | A_S11I, | ||
58 | A_S14, | ||
59 | A_S16, | ||
60 | A_S18, | ||
61 | A_R18, | ||
62 | A_U3, | ||
63 | A_U5, | ||
64 | A_U6, | ||
65 | A_U7, | ||
66 | A_U14, | ||
67 | A_X16, | ||
68 | A_U18, | ||
69 | A_MAX | ||
70 | } spu_aformat; | ||
71 | |||
72 | enum spu_insns { | ||
73 | #define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \ | ||
74 | TAG, | ||
75 | #define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \ | ||
76 | TAG, | ||
77 | #include "spu-insns.h" | ||
78 | #undef APUOP | ||
79 | #undef APUOPFB | ||
80 | M_SPU_MAX | ||
81 | }; | ||
82 | |||
83 | struct spu_opcode | ||
84 | { | ||
85 | spu_iformat insn_type; | ||
86 | unsigned int opcode; | ||
87 | char *mnemonic; | ||
88 | int arg[5]; | ||
89 | }; | ||
90 | |||
91 | #define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size)) | ||
92 | #define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1)) | ||
93 | |||
94 | #define DECODE_INSN_RT(insn) (insn & 0x7f) | ||
95 | #define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f) | ||
96 | #define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f) | ||
97 | #define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f) | ||
98 | |||
99 | #define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14) | ||
100 | #define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14) | ||
101 | |||
102 | /* For branching, immediate loads, hbr and lqa/stqa. */ | ||
103 | #define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7) | ||
104 | #define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7) | ||
105 | |||
106 | /* for stop */ | ||
107 | #define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0) | ||
108 | |||
109 | /* For ila */ | ||
110 | #define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7) | ||
111 | #define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7) | ||
112 | |||
113 | /* For rotate and shift and generate control mask */ | ||
114 | #define DECODE_INSN_I7(insn) SIGNED_EXTRACT(insn,7,14) | ||
115 | #define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(insn,7,14) | ||
116 | |||
117 | /* For float <-> int conversion */ | ||
118 | #define DECODE_INSN_I8(insn) SIGNED_EXTRACT(insn,8,14) | ||
119 | #define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(insn,8,14) | ||
120 | |||
121 | /* For hbr */ | ||
122 | #define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0)) | ||
123 | #define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) | ||
124 | #define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0)) | ||
125 | #define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) | ||
126 | |||