itbl-mips.h revision 179404
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, 59 Temple Place - Suite 330, Boston, MA 21 02111-1307, 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