1
2/* itbl-mips.h
3
4   Copyright 1997 Free Software Foundation, Inc.
5
6   This file is part of GAS, the GNU Assembler.
7
8   GAS is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 2, or (at your option)
11   any later version.
12
13   GAS is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with GAS; see the file COPYING.  If not, write to the Free
20   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21   02110-1301, USA.  */
22
23/* Defines for Mips itbl cop support */
24
25#include "opcode/mips.h"
26
27/* Values for processors will be from 0 to NUMBER_OF_PROCESSORS-1 */
28#define NUMBER_OF_PROCESSORS 4
29#define MAX_BITPOS 31
30
31/* Mips specifics */
32#define MIPS_OPCODE_COP0 (0x21)	/* COPz+CO, bits 31-25: 0100zz1 */
33#define MIPS_ENCODE_COP_NUM(z) ((MIPS_OPCODE_COP0|z<<1)<<25)
34#define MIPS_IS_COP_INSN(insn) ((MIPS_OPCODE_COP0&(insn>>25)) \
35	== MIPS_OPCODE_COP0)
36#define MIPS_DECODE_COP_NUM(insn) ((~MIPS_OPCODE_COP0&(insn>>25))>>1)
37#define MIPS_DECODE_COP_COFUN(insn) ((~MIPS_ENCODE_COP_NUM(3))&(insn))
38
39/* definitions required by generic code */
40#define ITBL_IS_INSN(insn) MIPS_IS_COP_INSN(insn)
41#define ITBL_DECODE_PNUM(insn) MIPS_DECODE_COP_NUM(insn)
42#define ITBL_ENCODE_PNUM(pnum) MIPS_ENCODE_COP_NUM(pnum)
43
44#define ITBL_OPCODE_STRUCT mips_opcode
45#define ITBL_OPCODES mips_opcodes
46#define ITBL_NUM_OPCODES NUMOPCODES
47#define ITBL_NUM_MACROS M_NUM_MACROS
48