1  /* itbl-mips.h
       2  
       3     Copyright (C) 1997-2023 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