binutils-gdb/opcodes/nios2-opc.c

416 lines
15 KiB
C

/* Altera Nios II opcode list.
Copyright (C) 2012, 2013 Free Software Foundation, Inc.
Contributed by Nigel Gray (ngray@altera.com).
Contributed by Mentor Graphics, Inc.
This file is part of the GNU opcodes library.
This library 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 3, or (at your option)
any later version.
It 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 file; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include <stdio.h>
#include "opcode/nios2.h"
/* Register string table */
const struct nios2_reg nios2_builtin_regs[] = {
/* Standard register names. */
{"zero", 0},
{"at", 1}, /* assembler temporary */
{"r2", 2},
{"r3", 3},
{"r4", 4},
{"r5", 5},
{"r6", 6},
{"r7", 7},
{"r8", 8},
{"r9", 9},
{"r10", 10},
{"r11", 11},
{"r12", 12},
{"r13", 13},
{"r14", 14},
{"r15", 15},
{"r16", 16},
{"r17", 17},
{"r18", 18},
{"r19", 19},
{"r20", 20},
{"r21", 21},
{"r22", 22},
{"r23", 23},
{"et", 24},
{"bt", 25},
{"gp", 26}, /* global pointer */
{"sp", 27}, /* stack pointer */
{"fp", 28}, /* frame pointer */
{"ea", 29}, /* exception return address */
{"sstatus", 30}, /* saved processor status */
{"ra", 31}, /* return address */
/* Alternative names for special registers. */
{"r0", 0},
{"r1", 1},
{"r24", 24},
{"r25", 25},
{"r26", 26},
{"r27", 27},
{"r28", 28},
{"r29", 29},
{"r30", 30},
{"ba", 30}, /* breakpoint return address */
{"r31", 31},
/* Control register names. */
{"status", 0},
{"estatus", 1},
{"bstatus", 2},
{"ienable", 3},
{"ipending", 4},
{"cpuid", 5},
{"ctl6", 6},
{"exception", 7},
{"pteaddr", 8},
{"tlbacc", 9},
{"tlbmisc", 10},
{"eccinj", 11},
{"badaddr", 12},
{"config", 13},
{"mpubase", 14},
{"mpuacc", 15},
{"ctl16", 16},
{"ctl17", 17},
{"ctl18", 18},
{"ctl19", 19},
{"ctl20", 20},
{"ctl21", 21},
{"ctl22", 22},
{"ctl23", 23},
{"ctl24", 24},
{"ctl25", 25},
{"ctl26", 26},
{"ctl27", 27},
{"ctl28", 28},
{"ctl29", 29},
{"ctl30", 30},
{"ctl31", 31},
/* Alternative names for special control registers. */
{"ctl0", 0},
{"ctl1", 1},
{"ctl2", 2},
{"ctl3", 3},
{"ctl4", 4},
{"ctl5", 5},
{"ctl7", 7},
{"ctl8", 8},
{"ctl9", 9},
{"ctl10", 10},
{"ctl11", 11},
{"ctl12", 12},
{"ctl13", 13},
{"ctl14", 14},
{"ctl15", 15},
/* Coprocessor register names. */
{"c0", 0},
{"c1", 1},
{"c2", 2},
{"c3", 3},
{"c4", 4},
{"c5", 5},
{"c6", 6},
{"c7", 7},
{"c8", 8},
{"c9", 9},
{"c10", 10},
{"c11", 11},
{"c12", 12},
{"c13", 13},
{"c14", 14},
{"c15", 15},
{"c16", 16},
{"c17", 17},
{"c18", 18},
{"c19", 19},
{"c20", 20},
{"c21", 21},
{"c22", 22},
{"c23", 23},
{"c24", 24},
{"c25", 25},
{"c26", 26},
{"c27", 27},
{"c28", 28},
{"c29", 29},
{"c30", 30},
{"c31", 31},
};
#define NIOS2_NUM_REGS \
((sizeof nios2_builtin_regs) / (sizeof (nios2_builtin_regs[0])))
const int nios2_num_builtin_regs = NIOS2_NUM_REGS;
/* This is not const in order to allow for dynamic extensions to the
built-in instruction set. */
struct nios2_reg *nios2_regs = (struct nios2_reg *) nios2_builtin_regs;
int nios2_num_regs = NIOS2_NUM_REGS;
#undef NIOS2_NUM_REGS
/* This is the opcode table used by the Nios II GNU as, disassembler
and GDB. */
const struct nios2_opcode nios2_builtin_opcodes[] =
{
/* { name, args, args_test, num_args,
match, mask, pinfo, overflow_msg } */
{"add", "d,s,t", "d,s,t,E", 3,
OP_MATCH_ADD, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"addi", "t,s,i", "t,s,i,E", 3,
OP_MATCH_ADDI, OP_MASK_IOP, NIOS2_INSN_ADDI, signed_immed16_overflow},
{"subi", "t,s,i", "t,s,i,E", 3,
OP_MATCH_ADDI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"and", "d,s,t", "d,s,t,E", 3,
OP_MATCH_AND, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"andhi", "t,s,u", "t,s,u,E", 3,
OP_MATCH_ANDHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
{"andi", "t,s,u", "t,s,u,E", 3,
OP_MATCH_ANDI, OP_MASK_IOP, NIOS2_INSN_ANDI, unsigned_immed16_overflow},
{"beq", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BEQ, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bge", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BGE, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgeu", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BGEU, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bgt", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BLT, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
branch_target_overflow},
{"bgtu", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BLTU, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
branch_target_overflow},
{"ble", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BGE, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
branch_target_overflow},
{"bleu", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BGEU, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
branch_target_overflow},
{"blt", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BLT, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bltu", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BLTU, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"bne", "s,t,o", "s,t,o,E", 3,
OP_MATCH_BNE, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
{"br", "o", "o,E", 1,
OP_MATCH_BR, OP_MASK_IOP, NIOS2_INSN_UBRANCH, branch_target_overflow},
{"break", "b", "b,E", 1,
OP_MATCH_BREAK, OP_MASK_BREAK, 0, no_overflow},
{"bret", "", "E", 0,
OP_MATCH_BRET, OP_MASK, 0, no_overflow},
{"flushd", "i(s)", "i(s)E", 2,
OP_MATCH_FLUSHD, OP_MASK_IOP, 0, signed_immed16_overflow},
{"flushda", "i(s)", "i(s)E", 2,
OP_MATCH_FLUSHDA, OP_MASK_IOP, 0, signed_immed16_overflow},
{"flushi", "s", "s,E", 1,
OP_MATCH_FLUSHI, OP_MASK_FLUSHI, 0, no_overflow},
{"flushp", "", "E", 0,
OP_MATCH_FLUSHP, OP_MASK, 0, no_overflow},
{"initd", "i(s)", "i(s)E", 2,
OP_MATCH_INITD, OP_MASK_IOP, 0, signed_immed16_overflow},
{"initda", "i(s)", "i(s)E", 2,
OP_MATCH_INITDA, OP_MASK_IOP, 0, signed_immed16_overflow},
{"initi", "s", "s,E", 1,
OP_MATCH_INITI, OP_MASK_INITI, 0, no_overflow},
{"call", "m", "m,E", 1,
OP_MATCH_CALL, OP_MASK_IOP, NIOS2_INSN_CALL, call_target_overflow},
{"callr", "s", "s,E", 1,
OP_MATCH_CALLR, OP_MASK_CALLR, 0, no_overflow},
{"cmpeq", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPEQ, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"cmpeqi", "t,s,i", "t,s,i,E", 3,
OP_MATCH_CMPEQI, OP_MASK_IOP, 0, signed_immed16_overflow},
{"cmpge", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPGE, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"cmpgei", "t,s,i", "t,s,i,E", 3,
OP_MATCH_CMPGEI, OP_MASK_IOP, 0, signed_immed16_overflow},
{"cmpgeu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPGEU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"cmpgeui", "t,s,u", "t,s,u,E", 3,
OP_MATCH_CMPGEUI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
{"cmpgt", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPLT, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
{"cmpgti", "t,s,i", "t,s,i,E", 3,
OP_MATCH_CMPGEI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"cmpgtu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPLTU, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
{"cmpgtui", "t,s,u", "t,s,u,E", 3,
OP_MATCH_CMPGEUI, OP_MASK_IOP, NIOS2_INSN_MACRO, unsigned_immed16_overflow},
{"cmple", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPGE, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
{"cmplei", "t,s,i", "t,s,i,E", 3,
OP_MATCH_CMPLTI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
{"cmpleu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPGEU, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
{"cmpleui", "t,s,u", "t,s,u,E", 3,
OP_MATCH_CMPLTUI, OP_MASK_IOP, NIOS2_INSN_MACRO, unsigned_immed16_overflow},
{"cmplt", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPLT, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"cmplti", "t,s,i", "t,s,i,E", 3,
OP_MATCH_CMPLTI, OP_MASK_IOP, 0, signed_immed16_overflow},
{"cmpltu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPLTU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"cmpltui", "t,s,u", "t,s,u,E", 3,
OP_MATCH_CMPLTUI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
{"cmpne", "d,s,t", "d,s,t,E", 3,
OP_MATCH_CMPNE, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"cmpnei", "t,s,i", "t,s,i,E", 3,
OP_MATCH_CMPNEI, OP_MASK_IOP, 0, signed_immed16_overflow},
{"div", "d,s,t", "d,s,t,E", 3,
OP_MATCH_DIV, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"divu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_DIVU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"jmp", "s", "s,E", 1,
OP_MATCH_JMP, OP_MASK_JMP, 0, no_overflow},
{"jmpi", "m", "m,E", 1,
OP_MATCH_JMPI, OP_MASK_IOP, 0, no_overflow},
{"ldb", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDB, OP_MASK_IOP, 0, address_offset_overflow},
{"ldbio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDBIO, OP_MASK_IOP, 0, address_offset_overflow},
{"ldbu", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDBU, OP_MASK_IOP, 0, address_offset_overflow},
{"ldbuio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDBUIO, OP_MASK_IOP, 0, address_offset_overflow},
{"ldh", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDH, OP_MASK_IOP, 0, address_offset_overflow},
{"ldhio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDHIO, OP_MASK_IOP, 0, address_offset_overflow},
{"ldhu", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDHU, OP_MASK_IOP, 0, address_offset_overflow},
{"ldhuio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDHUIO, OP_MASK_IOP, 0, address_offset_overflow},
{"ldl", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDL, OP_MASK_IOP, 0, address_offset_overflow},
{"ldw", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDW, OP_MASK_IOP, 0, address_offset_overflow},
{"ldwio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_LDWIO, OP_MASK_IOP, 0, address_offset_overflow},
{"mov", "d,s", "d,s,E", 2,
OP_MATCH_ADD, OP_MASK_RRT|OP_MASK_ROPX|OP_MASK_ROP, NIOS2_INSN_MACRO_MOV,
no_overflow},
{"movhi", "t,u", "t,u,E", 2,
OP_MATCH_ORHI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
unsigned_immed16_overflow},
{"movui", "t,u", "t,u,E", 2,
OP_MATCH_ORI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
unsigned_immed16_overflow},
{"movi", "t,i", "t,i,E", 2,
OP_MATCH_ADDI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
signed_immed16_overflow},
/* movia expands to two instructions so there is no mask or match */
{"movia", "t,o", "t,o,E", 2,
OP_MATCH_ORHI, OP_MASK_IOP, NIOS2_INSN_MACRO_MOVIA, no_overflow},
{"mul", "d,s,t", "d,s,t,E", 3,
OP_MATCH_MUL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"muli", "t,s,i", "t,s,i,E", 3,
OP_MATCH_MULI, OP_MASK_IOP, 0, signed_immed16_overflow},
{"mulxss", "d,s,t", "d,s,t,E", 3,
OP_MATCH_MULXSS, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"mulxsu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_MULXSU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"mulxuu", "d,s,t", "d,s,t,E", 3,
OP_MATCH_MULXUU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"nextpc", "d", "d,E", 1,
OP_MATCH_NEXTPC, OP_MASK_NEXTPC, 0, no_overflow},
{"nop", "", "E", 0,
OP_MATCH_ADD, OP_MASK, NIOS2_INSN_MACRO_MOV, no_overflow},
{"nor", "d,s,t", "d,s,t,E", 3,
OP_MATCH_NOR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"or", "d,s,t", "d,s,t,E", 3,
OP_MATCH_OR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"orhi", "t,s,u", "t,s,u,E", 3,
OP_MATCH_ORHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
{"ori", "t,s,u", "t,s,u,E", 3,
OP_MATCH_ORI, OP_MASK_IOP, NIOS2_INSN_ORI, unsigned_immed16_overflow},
{"rdctl", "d,c", "d,c,E", 2,
OP_MATCH_RDCTL, OP_MASK_RDCTL, 0, no_overflow},
{"rdprs", "t,s,i", "t,s,i,E", 3,
OP_MATCH_RDPRS, OP_MASK_IOP, 0, unsigned_immed16_overflow},
{"ret", "", "E", 0,
OP_MATCH_RET, OP_MASK, 0, no_overflow},
{"rol", "d,s,t", "d,s,t,E", 3,
OP_MATCH_ROL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"roli", "d,s,j", "d,s,j,E", 3,
OP_MATCH_ROLI, OP_MASK_ROLI, 0, unsigned_immed5_overflow},
{"ror", "d,s,t", "d,s,t,E", 3,
OP_MATCH_ROR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"sll", "d,s,t", "d,s,t,E", 3,
OP_MATCH_SLL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"slli", "d,s,j", "d,s,j,E", 3,
OP_MATCH_SLLI, OP_MASK_SLLI, 0, unsigned_immed5_overflow},
{"sra", "d,s,t", "d,s,t,E", 3,
OP_MATCH_SRA, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"srai", "d,s,j", "d,s,j,E", 3,
OP_MATCH_SRAI, OP_MASK_SRAI, 0, unsigned_immed5_overflow},
{"srl", "d,s,t", "d,s,t,E", 3,
OP_MATCH_SRL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"srli", "d,s,j", "d,s,j,E", 3,
OP_MATCH_SRLI, OP_MASK_SRLI, 0, unsigned_immed5_overflow},
{"stb", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STB, OP_MASK_IOP, 0, address_offset_overflow},
{"stbio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STBIO, OP_MASK_IOP, 0, address_offset_overflow},
{"stc", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STC, OP_MASK_IOP, 0, address_offset_overflow},
{"sth", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STH, OP_MASK_IOP, 0, address_offset_overflow},
{"sthio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STHIO, OP_MASK_IOP, 0, address_offset_overflow},
{"stw", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STW, OP_MASK_IOP, 0, address_offset_overflow},
{"stwio", "t,i(s)", "t,i(s)E", 3,
OP_MATCH_STWIO, OP_MASK_IOP, 0, address_offset_overflow},
{"sub", "d,s,t", "d,s,t,E", 3,
OP_MATCH_SUB, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"sync", "", "E", 0,
OP_MATCH_SYNC, OP_MASK_SYNC, 0, no_overflow},
{"trap", "b", "b,E", 1,
OP_MATCH_TRAP, OP_MASK_TRAP, 0, no_overflow},
{"eret", "", "E", 0,
OP_MATCH_ERET, OP_MASK, 0, no_overflow},
{"custom", "l,d,s,t", "l,d,s,t,E", 4,
OP_MATCH_CUSTOM, OP_MASK_ROP, 0, custom_opcode_overflow},
{"wrctl", "c,s", "c,s,E", 2,
OP_MATCH_WRCTL, OP_MASK_WRCTL, 0, no_overflow},
{"wrprs", "d,s", "d,s,E", 2,
OP_MATCH_WRPRS, OP_MASK_RRT|OP_MASK_ROPX|OP_MASK_ROP, 0, no_overflow},
{"xor", "d,s,t", "d,s,t,E", 3,
OP_MATCH_XOR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
{"xorhi", "t,s,u", "t,s,u,E", 3,
OP_MATCH_XORHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
{"xori", "t,s,u", "t,s,u,E", 3,
OP_MATCH_XORI, OP_MASK_IOP, NIOS2_INSN_XORI, unsigned_immed16_overflow}
};
#define NIOS2_NUM_OPCODES \
((sizeof nios2_builtin_opcodes) / (sizeof (nios2_builtin_opcodes[0])))
const int bfd_nios2_num_builtin_opcodes = NIOS2_NUM_OPCODES;
/* This is not const to allow for dynamic extensions to the
built-in instruction set. */
struct nios2_opcode *nios2_opcodes =
(struct nios2_opcode *) nios2_builtin_opcodes;
int bfd_nios2_num_opcodes = NIOS2_NUM_OPCODES;
#undef NIOS2_NUM_OPCODES