1 /* SPU ELF support for BFD.
3 Copyright 2006 Free Software Foundation, Inc.
5 This file is part of GDB, GAS, and the GNU binutils.
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.
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.
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. */
22 /* These two enums are from rel_apu/common/spu_asm_format.h */
23 /* definition of instruction format */
38 /* These values describe assembly instruction arguments. They indicate
39 * how to encode, range checking and which relocation to use. */
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 */
73 #define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \
75 #define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \
77 #include "opcode/spu-insns.h"
85 spu_iformat insn_type
;
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))
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)
99 #define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14)
100 #define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14)
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)
107 #define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0)
110 #define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7)
111 #define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7)
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)
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)
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))
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