diff options
Diffstat (limited to 'opcodes/nios2-opc.c')
| -rw-r--r-- | opcodes/nios2-opc.c | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/opcodes/nios2-opc.c b/opcodes/nios2-opc.c new file mode 100644 index 0000000..d5094ac --- /dev/null +++ b/opcodes/nios2-opc.c @@ -0,0 +1,410 @@ +/* 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 */ + {"ba", 30}, /* breakpoint return address */ + {"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}, + {"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}, + {"fstatus", 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}, + {"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", "", "E", 0, + 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}, + {"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 |