1 /* mn10300.h -- Header file for Matsushita 10300 opcode table 2 Copyright 1996, 1997, 1998, 1999, 2003 Free Software Foundation, Inc. 3 Written by Jeff Law, Cygnus Support 4 5 This file is part of GDB, GAS, and the GNU binutils. 6 7 GDB, GAS, and the GNU binutils are free software; you can redistribute 8 them and/or modify them under the terms of the GNU General Public 9 License as published by the Free Software Foundation; either version 10 1, or (at your option) any later version. 11 12 GDB, GAS, and the GNU binutils are distributed in the hope that they 13 will be useful, but WITHOUT ANY WARRANTY; without even the implied 14 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 15 the GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this file; see the file COPYING. If not, write to the Free 19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 20 21 #ifndef MN10300_H 22 #define MN10300_H 23 24 /* The opcode table is an array of struct mn10300_opcode. */ 25 26 #define MN10300_MAX_OPERANDS 8 27 struct mn10300_opcode 28 { 29 /* The opcode name. */ 30 const char *name; 31 32 /* The opcode itself. Those bits which will be filled in with 33 operands are zeroes. */ 34 unsigned long opcode; 35 36 /* The opcode mask. This is used by the disassembler. This is a 37 mask containing ones indicating those bits which must match the 38 opcode field, and zeroes indicating those bits which need not 39 match (and are presumably filled in by operands). */ 40 unsigned long mask; 41 42 /* A bitmask. For each operand, nonzero if it must not have the same 43 register specification as all other operands with a nonzero bit in 44 this flag. ie 0x81 would indicate that operands 7 and 0 must not 45 match. Note that we count operands from left to right as they appear 46 in the operands specification below. */ 47 unsigned int no_match_operands; 48 49 /* The format of this opcode. */ 50 unsigned char format; 51 52 /* Bitmask indicating what cpu variants this opcode is available on. 53 We assume mn10300 base opcodes are available everywhere, so we only 54 have to note opcodes which are available on other variants. */ 55 unsigned int machine; 56 57 /* An array of operand codes. Each code is an index into the 58 operand table. They appear in the order which the operands must 59 appear in assembly code, and are terminated by a zero. */ 60 unsigned char operands[MN10300_MAX_OPERANDS]; 61 }; 62 63 /* The table itself is sorted by major opcode number, and is otherwise 64 in the order in which the disassembler should consider 65 instructions. */ 66 extern const struct mn10300_opcode mn10300_opcodes[]; 67 extern const int mn10300_num_opcodes; 68 69 70 /* The operands table is an array of struct mn10300_operand. */ 71 72 struct mn10300_operand 73 { 74 /* The number of bits in the operand. */ 75 int bits; 76 77 /* How far the operand is left shifted in the instruction. */ 78 int shift; 79 80 /* One bit syntax flags. */ 81 int flags; 82 }; 83 84 /* Elements in the table are retrieved by indexing with values from 85 the operands field of the mn10300_opcodes table. */ 86 87 extern const struct mn10300_operand mn10300_operands[]; 88 89 /* Values defined for the flags field of a struct mn10300_operand. */ 90 #define MN10300_OPERAND_DREG 0x1 91 92 #define MN10300_OPERAND_AREG 0x2 93 94 #define MN10300_OPERAND_SP 0x4 95 96 #define MN10300_OPERAND_PSW 0x8 97 98 #define MN10300_OPERAND_MDR 0x10 99 100 #define MN10300_OPERAND_SIGNED 0x20 101 102 #define MN10300_OPERAND_PROMOTE 0x40 103 104 #define MN10300_OPERAND_PAREN 0x80 105 106 #define MN10300_OPERAND_REPEATED 0x100 107 108 #define MN10300_OPERAND_EXTENDED 0x200 109 110 #define MN10300_OPERAND_SPLIT 0x400 111 112 #define MN10300_OPERAND_REG_LIST 0x800 113 114 #define MN10300_OPERAND_PCREL 0x1000 115 116 #define MN10300_OPERAND_MEMADDR 0x2000 117 118 #define MN10300_OPERAND_RELAX 0x4000 119 120 #define MN10300_OPERAND_USP 0x8000 121 122 #define MN10300_OPERAND_SSP 0x10000 123 124 #define MN10300_OPERAND_MSP 0x20000 125 126 #define MN10300_OPERAND_PC 0x40000 127 128 #define MN10300_OPERAND_EPSW 0x80000 129 130 #define MN10300_OPERAND_RREG 0x100000 131 132 #define MN10300_OPERAND_XRREG 0x200000 133 134 #define MN10300_OPERAND_PLUS 0x400000 135 136 #define MN10300_OPERAND_24BIT 0x800000 137 138 #define MN10300_OPERAND_FSREG 0x1000000 139 140 #define MN10300_OPERAND_FDREG 0x2000000 141 142 #define MN10300_OPERAND_FPCR 0x4000000 143 144 /* Opcode Formats. */ 145 #define FMT_S0 1 146 #define FMT_S1 2 147 #define FMT_S2 3 148 #define FMT_S4 4 149 #define FMT_S6 5 150 #define FMT_D0 6 151 #define FMT_D1 7 152 #define FMT_D2 8 153 #define FMT_D4 9 154 #define FMT_D5 10 155 #define FMT_D6 11 156 #define FMT_D7 12 157 #define FMT_D8 13 158 #define FMT_D9 14 159 #define FMT_D10 15 160 #define FMT_D3 16 161 162 /* Variants of the mn10300 which have additional opcodes. */ 163 #define MN103 300 164 #define AM30 300 165 166 #define AM33 330 167 #define AM33_2 332 168 169 #endif /* MN10300_H */ 170