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[/] [or1k/] [tags/] [tn_m001/] [gdb-5.0/] [opcodes/] [or32.h] - Rev 133
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/* Table of opcodes for the OpenRISC 1000 ISA. Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. Contributed by Damjan Lampret (lampret@opencores.org). This file is part of or1k_gen_isa, or1ksim, GDB and GAS. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* We treat all letters the same in encode/decode routines so we need to assign some characteristics to them like signess etc.*/ #ifndef OR32_H_ISA #define OR32_H_ISA #define NUM_UNSIGNED 0 #define NUM_SIGNED 1 #ifndef PARAMS #define PARAMS(x) x #endif #ifndef CONST #define CONST const #endif struct or32_letter { char letter; int sign; /* int reloc; relocation per letter ??*/ }; #define OR32_IF_DELAY 1 struct or32_opcode { /* Name of the instruction. */ char *name; /* A string of characters which describe the operands. Valid characters are: ,() Itself. Characters appears in the assembly code. rA Register operand. rB Register operand. rD Register operand. I An immediate operand, range -32768 to 32767. J An immediate operand, range . (unused) K An immediate operand, range 0 to 65535. L An immediate operand, range 0 to 63. M An immediate operand, range . (unused) N An immediate operand, range -33554432 to 33554431. O An immediate operand, range . (unused) */ char *args; /* Opcode and operand encoding. */ char *encoding; void (*exec)(); unsigned int flags; }; #ifdef HAS_EXECUTION extern void l_invalid PARAMS((void)); extern void l_sfne PARAMS((void)); extern void l_bf PARAMS((void)); extern void l_add PARAMS((void)); extern void l_sw PARAMS((void)); extern void l_sb PARAMS((void)); extern void l_sh PARAMS((void)); extern void l_lwz PARAMS((void)); extern void l_lbs PARAMS((void)); extern void l_lbz PARAMS((void)); extern void l_lhs PARAMS((void)); extern void l_lhz PARAMS((void)); extern void l_movhi PARAMS((void)); extern void l_and PARAMS((void)); extern void l_or PARAMS((void)); extern void l_xor PARAMS((void)); extern void l_sub PARAMS((void)); extern void l_mul PARAMS((void)); extern void l_div PARAMS((void)); extern void l_divu PARAMS((void)); extern void l_sll PARAMS((void)); extern void l_sra PARAMS((void)); extern void l_srl PARAMS((void)); extern void l_j PARAMS((void)); extern void l_jal PARAMS((void)); extern void l_jalr PARAMS((void)); extern void l_jr PARAMS((void)); extern void l_rfe PARAMS((void)); extern void l_nop PARAMS((void)); extern void l_bnf PARAMS((void)); extern void l_sfeq PARAMS((void)); extern void l_sfgts PARAMS((void)); extern void l_sfges PARAMS((void)); extern void l_sflts PARAMS((void)); extern void l_sfles PARAMS((void)); extern void l_sfgtu PARAMS((void)); extern void l_sfgeu PARAMS((void)); extern void l_sfltu PARAMS((void)); extern void l_sfleu PARAMS((void)); extern void l_mtspr PARAMS((void)); extern void l_mfspr PARAMS((void)); extern void l_sys PARAMS((void)); extern void l_macrc PARAMS((void)); extern void l_mac PARAMS((void)); extern void l_msb PARAMS((void)); extern void l_invalid PARAMS((void)); #endif extern void l_none PARAMS((void)); extern CONST struct or32_letter or32_letters[]; extern CONST struct or32_opcode or32_opcodes[]; extern CONST unsigned int num_opcodes; /* Calculates instruction length in bytes. Either 2 or 4 for OR16 and always 4 for OR32. */ extern int insn_len PARAMS((int insn_index)); /* Is individual insn's operand signed or unsigned? */ extern int letter_signed PARAMS((char l)); /* Number of letters in the individual lettered operand. */ extern int letter_range PARAMS((char l)); /* MM: Returns index of given instruction name. */ extern int insn_index (char *insn); extern CONST char *insn_name (int index); #endif
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