| 1 |
133 |
markom |
/* Table of opcodes for the OpenRISC 1000 ISA.
|
| 2 |
676 |
markom |
Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
|
| 3 |
133 |
markom |
Contributed by Damjan Lampret (lampret@opencores.org).
|
| 4 |
|
|
|
| 5 |
676 |
markom |
This file is part of or1k_gen_isa, or1ksim, GDB and GAS.
|
| 6 |
133 |
markom |
|
| 7 |
676 |
markom |
This program 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 2 of the License, or
|
| 10 |
|
|
(at your option) any later version.
|
| 11 |
133 |
markom |
|
| 12 |
676 |
markom |
This program 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 |
133 |
markom |
|
| 17 |
676 |
markom |
You should have received a copy of the GNU General Public License
|
| 18 |
|
|
along with this program; if not, write to the Free Software
|
| 19 |
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
| 20 |
133 |
markom |
|
| 21 |
|
|
/* We treat all letters the same in encode/decode routines so
|
| 22 |
676 |
markom |
we need to assign some characteristics to them like signess etc.*/
|
| 23 |
133 |
markom |
|
| 24 |
|
|
#ifndef OR32_H_ISA
|
| 25 |
|
|
#define OR32_H_ISA
|
| 26 |
|
|
|
| 27 |
138 |
markom |
#define NUM_UNSIGNED (0)
|
| 28 |
|
|
#define NUM_SIGNED (1)
|
| 29 |
133 |
markom |
|
| 30 |
|
|
#ifndef PARAMS
|
| 31 |
|
|
#define PARAMS(x) x
|
| 32 |
|
|
#endif
|
| 33 |
|
|
|
| 34 |
|
|
#ifndef CONST
|
| 35 |
|
|
#define CONST const
|
| 36 |
|
|
#endif
|
| 37 |
|
|
|
| 38 |
138 |
markom |
#define MAX_GPRS 32
|
| 39 |
|
|
#define PAGE_SIZE 4096
|
| 40 |
|
|
#undef __HALF_WORD_INSN__
|
| 41 |
|
|
|
| 42 |
|
|
#define OPERAND_DELIM (',')
|
| 43 |
|
|
|
| 44 |
|
|
#define OR32_IF_DELAY (1)
|
| 45 |
|
|
#define OR32_W_FLAG (2)
|
| 46 |
|
|
#define OR32_R_FLAG (4)
|
| 47 |
|
|
|
| 48 |
676 |
markom |
struct or32_letter {
|
| 49 |
371 |
markom |
char letter;
|
| 50 |
|
|
int sign;
|
| 51 |
676 |
markom |
/* int reloc; relocation per letter ??*/
|
| 52 |
133 |
markom |
};
|
| 53 |
|
|
|
| 54 |
138 |
markom |
/* Main instruction specification array. */
|
| 55 |
676 |
markom |
struct or32_opcode {
|
| 56 |
133 |
markom |
/* Name of the instruction. */
|
| 57 |
|
|
char *name;
|
| 58 |
|
|
|
| 59 |
|
|
/* A string of characters which describe the operands.
|
| 60 |
|
|
Valid characters are:
|
| 61 |
|
|
,() Itself. Characters appears in the assembly code.
|
| 62 |
|
|
rA Register operand.
|
| 63 |
|
|
rB Register operand.
|
| 64 |
|
|
rD Register operand.
|
| 65 |
|
|
I An immediate operand, range -32768 to 32767.
|
| 66 |
|
|
J An immediate operand, range . (unused)
|
| 67 |
|
|
K An immediate operand, range 0 to 65535.
|
| 68 |
|
|
L An immediate operand, range 0 to 63.
|
| 69 |
|
|
M An immediate operand, range . (unused)
|
| 70 |
|
|
N An immediate operand, range -33554432 to 33554431.
|
| 71 |
676 |
markom |
O An immediate operand, range . (unused) */
|
| 72 |
133 |
markom |
char *args;
|
| 73 |
706 |
markom |
|
| 74 |
676 |
markom |
/* Opcode and operand encoding. */
|
| 75 |
133 |
markom |
char *encoding;
|
| 76 |
706 |
markom |
|
| 77 |
|
|
#if defined HAS_EXECUTION && !SIMPLE_EXECUTION
|
| 78 |
|
|
char *function_name;
|
| 79 |
|
|
#else /* defined HAS_EXECUTION && !SIMPLE_EXECUTION */
|
| 80 |
676 |
markom |
void (*exec)();
|
| 81 |
706 |
markom |
#endif /* defined HAS_EXECUTION && !SIMPLE_EXECUTION */
|
| 82 |
|
|
|
| 83 |
133 |
markom |
unsigned int flags;
|
| 84 |
|
|
};
|
| 85 |
|
|
|
| 86 |
138 |
markom |
#define OPTYPE_LAST (0x80000000)
|
| 87 |
|
|
#define OPTYPE_OP (0x40000000)
|
| 88 |
|
|
#define OPTYPE_REG (0x20000000)
|
| 89 |
|
|
#define OPTYPE_SIG (0x10000000)
|
| 90 |
|
|
#define OPTYPE_DIS (0x08000000)
|
| 91 |
|
|
#define OPTYPE_DST (0x04000000)
|
| 92 |
|
|
#define OPTYPE_SBIT (0x00001F00)
|
| 93 |
|
|
#define OPTYPE_SHR (0x0000001F)
|
| 94 |
|
|
#define OPTYPE_SBIT_SHR (8)
|
| 95 |
|
|
|
| 96 |
|
|
/* MM: Data how to decode operands. */
|
| 97 |
676 |
markom |
extern struct insn_op_struct {
|
| 98 |
138 |
markom |
unsigned long type;
|
| 99 |
|
|
unsigned long data;
|
| 100 |
|
|
} **op_start;
|
| 101 |
|
|
|
| 102 |
133 |
markom |
#ifdef HAS_EXECUTION
|
| 103 |
676 |
markom |
extern void l_invalid PARAMS((void));
|
| 104 |
|
|
extern void l_sfne PARAMS((void));
|
| 105 |
|
|
extern void l_bf PARAMS((void));
|
| 106 |
|
|
extern void l_add PARAMS((void));
|
| 107 |
|
|
extern void l_sw PARAMS((void));
|
| 108 |
|
|
extern void l_sb PARAMS((void));
|
| 109 |
|
|
extern void l_sh PARAMS((void));
|
| 110 |
|
|
extern void l_lwz PARAMS((void));
|
| 111 |
|
|
extern void l_lbs PARAMS((void));
|
| 112 |
|
|
extern void l_lbz PARAMS((void));
|
| 113 |
|
|
extern void l_lhs PARAMS((void));
|
| 114 |
|
|
extern void l_lhz PARAMS((void));
|
| 115 |
|
|
extern void l_movhi PARAMS((void));
|
| 116 |
|
|
extern void l_and PARAMS((void));
|
| 117 |
|
|
extern void l_or PARAMS((void));
|
| 118 |
|
|
extern void l_xor PARAMS((void));
|
| 119 |
|
|
extern void l_sub PARAMS((void));
|
| 120 |
|
|
extern void l_mul PARAMS((void));
|
| 121 |
|
|
extern void l_div PARAMS((void));
|
| 122 |
|
|
extern void l_divu PARAMS((void));
|
| 123 |
|
|
extern void l_sll PARAMS((void));
|
| 124 |
|
|
extern void l_sra PARAMS((void));
|
| 125 |
|
|
extern void l_srl PARAMS((void));
|
| 126 |
|
|
extern void l_j PARAMS((void));
|
| 127 |
|
|
extern void l_jal PARAMS((void));
|
| 128 |
|
|
extern void l_jalr PARAMS((void));
|
| 129 |
|
|
extern void l_jr PARAMS((void));
|
| 130 |
|
|
extern void l_rfe PARAMS((void));
|
| 131 |
|
|
extern void l_nop PARAMS((void));
|
| 132 |
|
|
extern void l_bnf PARAMS((void));
|
| 133 |
|
|
extern void l_sfeq PARAMS((void));
|
| 134 |
|
|
extern void l_sfgts PARAMS((void));
|
| 135 |
|
|
extern void l_sfges PARAMS((void));
|
| 136 |
|
|
extern void l_sflts PARAMS((void));
|
| 137 |
|
|
extern void l_sfles PARAMS((void));
|
| 138 |
|
|
extern void l_sfgtu PARAMS((void));
|
| 139 |
|
|
extern void l_sfgeu PARAMS((void));
|
| 140 |
|
|
extern void l_sfltu PARAMS((void));
|
| 141 |
|
|
extern void l_sfleu PARAMS((void));
|
| 142 |
|
|
extern void l_extbs PARAMS((void));
|
| 143 |
|
|
extern void l_extbz PARAMS((void));
|
| 144 |
|
|
extern void l_exths PARAMS((void));
|
| 145 |
|
|
extern void l_exthz PARAMS((void));
|
| 146 |
|
|
extern void l_extws PARAMS((void));
|
| 147 |
|
|
extern void l_extwz PARAMS((void));
|
| 148 |
|
|
extern void l_mtspr PARAMS((void));
|
| 149 |
|
|
extern void l_mfspr PARAMS((void));
|
| 150 |
|
|
extern void l_sys PARAMS((void));
|
| 151 |
|
|
extern void l_trap PARAMS((void)); /* CZ 21/06/01 */
|
| 152 |
|
|
extern void l_macrc PARAMS((void));
|
| 153 |
|
|
extern void l_mac PARAMS((void));
|
| 154 |
|
|
extern void l_msb PARAMS((void));
|
| 155 |
|
|
extern void l_invalid PARAMS((void));
|
| 156 |
|
|
extern void l_cmov PARAMS ((void));
|
| 157 |
|
|
extern void l_cust1 PARAMS ((void));
|
| 158 |
|
|
extern void l_cust2 PARAMS ((void));
|
| 159 |
|
|
extern void l_cust3 PARAMS ((void));
|
| 160 |
|
|
extern void l_cust4 PARAMS ((void));
|
| 161 |
720 |
markom |
extern void lf_add_s PARAMS ((void));
|
| 162 |
|
|
extern void lf_div_s PARAMS ((void));
|
| 163 |
|
|
extern void lf_ftoi_s PARAMS ((void));
|
| 164 |
|
|
extern void lf_itof_s PARAMS ((void));
|
| 165 |
|
|
extern void lf_madd_s PARAMS ((void));
|
| 166 |
|
|
extern void lf_mul_s PARAMS ((void));
|
| 167 |
|
|
extern void lf_rem_s PARAMS ((void));
|
| 168 |
|
|
extern void lf_sfeq_s PARAMS ((void));
|
| 169 |
|
|
extern void lf_sfge_s PARAMS ((void));
|
| 170 |
|
|
extern void lf_sfgt_s PARAMS ((void));
|
| 171 |
|
|
extern void lf_sfle_s PARAMS ((void));
|
| 172 |
|
|
extern void lf_sflt_s PARAMS ((void));
|
| 173 |
|
|
extern void lf_sfne_s PARAMS ((void));
|
| 174 |
|
|
extern void lf_sub_s PARAMS((void));
|
| 175 |
133 |
markom |
#endif
|
| 176 |
676 |
markom |
extern void l_none PARAMS((void));
|
| 177 |
133 |
markom |
|
| 178 |
676 |
markom |
extern CONST struct or32_letter or32_letters[];
|
| 179 |
133 |
markom |
|
| 180 |
676 |
markom |
extern CONST struct or32_opcode or32_opcodes[];
|
| 181 |
133 |
markom |
|
| 182 |
680 |
ivang |
extern CONST int num_opcodes;
|
| 183 |
133 |
markom |
|
| 184 |
676 |
markom |
/* Calculates instruction length in bytes. Always 4 for OR32. */
|
| 185 |
|
|
extern int insn_len PARAMS((int insn_index));
|
| 186 |
133 |
markom |
|
| 187 |
676 |
markom |
/* Is individual insn's operand signed or unsigned? */
|
| 188 |
|
|
extern int letter_signed PARAMS((char l));
|
| 189 |
133 |
markom |
|
| 190 |
676 |
markom |
/* Number of letters in the individual lettered operand. */
|
| 191 |
|
|
extern int letter_range PARAMS((char l));
|
| 192 |
133 |
markom |
|
| 193 |
|
|
/* MM: Returns index of given instruction name. */
|
| 194 |
676 |
markom |
extern int insn_index PARAMS((char *insn));
|
| 195 |
133 |
markom |
|
| 196 |
138 |
markom |
/* MM: Returns instruction name from index. */
|
| 197 |
676 |
markom |
extern CONST char *insn_name PARAMS ((int index));
|
| 198 |
138 |
markom |
|
| 199 |
|
|
/* MM: Constructs new FSM, based on or32_opcodes. */
|
| 200 |
|
|
extern void build_automata PARAMS ((void));
|
| 201 |
|
|
|
| 202 |
|
|
/* MM: Destructs FSM. */
|
| 203 |
|
|
extern void destruct_automata PARAMS ((void));
|
| 204 |
|
|
|
| 205 |
|
|
/* MM: Decodes instruction using FSM. Call build_automata first. */
|
| 206 |
676 |
markom |
extern int insn_decode PARAMS((unsigned int insn));
|
| 207 |
138 |
markom |
|
| 208 |
371 |
markom |
/* Disassemble one instruction from insn to disassemble.
|
| 209 |
|
|
Return the size of the instruction. */
|
| 210 |
676 |
markom |
int disassemble_insn (unsigned long insn);
|
| 211 |
371 |
markom |
|
| 212 |
703 |
markom |
/* Disassemble one instruction from insn index.
|
| 213 |
|
|
Return the size of the instruction. */
|
| 214 |
|
|
int disassemble_index (unsigned long insn, int index);
|
| 215 |
|
|
|
| 216 |
133 |
markom |
#endif
|
| 217 |
676 |
markom |
|
