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2 | /* itbl-mips.h
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3 |
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4 | Copyright 1997 Free Software Foundation, Inc.
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5 |
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6 | This file is part of GAS, the GNU Assembler.
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7 |
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8 | GAS is free software; you can redistribute it and/or modify
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9 | it under the terms of the GNU General Public License as published by
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10 | the Free Software Foundation; either version 2, or (at your option)
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11 | any later version.
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12 |
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13 | GAS is distributed in the hope that it will be useful,
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | GNU General Public License for more details.
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17 |
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18 | You should have received a copy of the GNU General Public License
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19 | along with GAS; see the file COPYING. If not, write to the Free
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20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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21 | 02111-1307, USA. */
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22 |
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23 | /* Defines for Mips itbl cop support */
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24 |
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25 | #include "opcode/mips.h"
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26 |
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27 | /* Values for processors will be from 0 to NUMBER_OF_PROCESSORS-1 */
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28 | #define NUMBER_OF_PROCESSORS 4
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29 | #define MAX_BITPOS 31
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30 |
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31 | /* Mips specifics */
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32 | #define MIPS_OPCODE_COP0 (0x21) /* COPz+CO, bits 31-25: 0100zz1 */
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33 | #define MIPS_ENCODE_COP_NUM(z) ((MIPS_OPCODE_COP0|z<<1)<<25)
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34 | #define MIPS_IS_COP_INSN(insn) ((MIPS_OPCODE_COP0&(insn>>25)) \
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35 | == MIPS_OPCODE_COP0)
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36 | #define MIPS_DECODE_COP_NUM(insn) ((~MIPS_OPCODE_COP0&(insn>>25))>>1)
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37 | #define MIPS_DECODE_COP_COFUN(insn) ((~MIPS_ENCODE_COP_NUM(3))&(insn))
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38 |
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39 | /* definitions required by generic code */
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40 | #define ITBL_IS_INSN(insn) MIPS_IS_COP_INSN(insn)
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41 | #define ITBL_DECODE_PNUM(insn) MIPS_DECODE_COP_NUM(insn)
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42 | #define ITBL_ENCODE_PNUM(pnum) MIPS_ENCODE_COP_NUM(pnum)
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43 |
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44 | #define ITBL_OPCODE_STRUCT mips_opcode
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45 | #define ITBL_OPCODES mips_opcodes
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46 | #define ITBL_NUM_OPCODES NUMOPCODES
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47 | #define ITBL_NUM_MACROS M_NUM_MACROS
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