1 /* itbl-mips.h
2 
3    Copyright (C) 1997-2016 Free Software Foundation, Inc.
4 
5    This file is part of GAS, the GNU Assembler.
6 
7    GAS 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 3, or (at your option)
10    any later version.
11 
12    GAS 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 GAS; see the file COPYING.  If not, write to the Free
19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
20    02110-1301, USA.  */
21 
22 /* Defines for Mips itbl cop support.  */
23 
24 #include "opcode/mips.h"
25 
26 /* Values for processors will be from 0 to NUMBER_OF_PROCESSORS-1 */
27 #define NUMBER_OF_PROCESSORS 4
28 #define MAX_BITPOS 31
29 
30 /* Mips specifics */
31 #define MIPS_OPCODE_COP0 (0x21)	/* COPz+CO, bits 31-25: 0100zz1 */
32 #define MIPS_ENCODE_COP_NUM(z) ((MIPS_OPCODE_COP0|z<<1)<<25)
33 #define MIPS_IS_COP_INSN(insn) ((MIPS_OPCODE_COP0&(insn>>25)) \
34 	== MIPS_OPCODE_COP0)
35 #define MIPS_DECODE_COP_NUM(insn) ((~MIPS_OPCODE_COP0&(insn>>25))>>1)
36 #define MIPS_DECODE_COP_COFUN(insn) ((~MIPS_ENCODE_COP_NUM(3))&(insn))
37 
38 /* definitions required by generic code */
39 #define ITBL_IS_INSN(insn) MIPS_IS_COP_INSN(insn)
40 #define ITBL_DECODE_PNUM(insn) MIPS_DECODE_COP_NUM(insn)
41 #define ITBL_ENCODE_PNUM(pnum) MIPS_ENCODE_COP_NUM(pnum)
42 
43 #define ITBL_OPCODE_STRUCT mips_opcode
44 #define ITBL_OPCODES mips_opcodes
45 #define ITBL_NUM_OPCODES NUMOPCODES
46 #define ITBL_NUM_MACROS M_NUM_MACROS
47