| /* Altera Nios II opcode list. |
| Copyright (C) 2012-2021 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, REG_NORMAL}, |
| {"at", 1, REG_NORMAL}, /* assembler temporary */ |
| {"r2", 2, REG_NORMAL | REG_3BIT | REG_LDWM}, |
| {"r3", 3, REG_NORMAL | REG_3BIT | REG_LDWM}, |
| {"r4", 4, REG_NORMAL | REG_3BIT | REG_LDWM}, |
| {"r5", 5, REG_NORMAL | REG_3BIT | REG_LDWM}, |
| {"r6", 6, REG_NORMAL | REG_3BIT | REG_LDWM}, |
| {"r7", 7, REG_NORMAL | REG_3BIT | REG_LDWM}, |
| {"r8", 8, REG_NORMAL | REG_LDWM}, |
| {"r9", 9, REG_NORMAL | REG_LDWM}, |
| {"r10", 10, REG_NORMAL | REG_LDWM}, |
| {"r11", 11, REG_NORMAL | REG_LDWM}, |
| {"r12", 12, REG_NORMAL | REG_LDWM}, |
| {"r13", 13, REG_NORMAL | REG_LDWM}, |
| {"r14", 14, REG_NORMAL | REG_LDWM}, |
| {"r15", 15, REG_NORMAL | REG_LDWM}, |
| {"r16", 16, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP}, |
| {"r17", 17, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP}, |
| {"r18", 18, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"r19", 19, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"r20", 20, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"r21", 21, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"r22", 22, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"r23", 23, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"et", 24, REG_NORMAL}, |
| {"bt", 25, REG_NORMAL}, |
| {"gp", 26, REG_NORMAL}, /* global pointer */ |
| {"sp", 27, REG_NORMAL}, /* stack pointer */ |
| {"fp", 28, REG_NORMAL | REG_LDWM | REG_POP}, /* frame pointer */ |
| {"ea", 29, REG_NORMAL}, /* exception return address */ |
| {"sstatus", 30, REG_NORMAL}, /* saved processor status */ |
| {"ra", 31, REG_NORMAL | REG_LDWM | REG_POP}, /* return address */ |
| |
| /* Alternative names for special registers. */ |
| {"r0", 0, REG_NORMAL}, |
| {"r1", 1, REG_NORMAL}, |
| {"r24", 24, REG_NORMAL}, |
| {"r25", 25, REG_NORMAL}, |
| {"r26", 26, REG_NORMAL}, |
| {"r27", 27, REG_NORMAL}, |
| {"r28", 28, REG_NORMAL | REG_LDWM | REG_POP}, |
| {"r29", 29, REG_NORMAL}, |
| {"r30", 30, REG_NORMAL}, |
| {"ba", 30, REG_NORMAL}, /* breakpoint return address */ |
| {"r31", 31, REG_NORMAL | REG_LDWM | REG_POP}, |
| |
| /* Control register names. */ |
| {"status", 0, REG_CONTROL}, |
| {"estatus", 1, REG_CONTROL}, |
| {"bstatus", 2, REG_CONTROL}, |
| {"ienable", 3, REG_CONTROL}, |
| {"ipending", 4, REG_CONTROL}, |
| {"cpuid", 5, REG_CONTROL}, |
| {"ctl6", 6, REG_CONTROL}, |
| {"exception", 7, REG_CONTROL}, |
| {"pteaddr", 8, REG_CONTROL}, |
| {"tlbacc", 9, REG_CONTROL}, |
| {"tlbmisc", 10, REG_CONTROL}, |
| {"eccinj", 11, REG_CONTROL}, |
| {"badaddr", 12, REG_CONTROL}, |
| {"config", 13, REG_CONTROL}, |
| {"mpubase", 14, REG_CONTROL}, |
| {"mpuacc", 15, REG_CONTROL}, |
| {"ctl16", 16, REG_CONTROL}, |
| {"ctl17", 17, REG_CONTROL}, |
| {"ctl18", 18, REG_CONTROL}, |
| {"ctl19", 19, REG_CONTROL}, |
| {"ctl20", 20, REG_CONTROL}, |
| {"ctl21", 21, REG_CONTROL}, |
| {"ctl22", 22, REG_CONTROL}, |
| {"ctl23", 23, REG_CONTROL}, |
| {"ctl24", 24, REG_CONTROL}, |
| {"ctl25", 25, REG_CONTROL}, |
| {"ctl26", 26, REG_CONTROL}, |
| {"ctl27", 27, REG_CONTROL}, |
| {"ctl28", 28, REG_CONTROL}, |
| {"ctl29", 29, REG_CONTROL}, |
| {"ctl30", 30, REG_CONTROL}, |
| {"ctl31", 31, REG_CONTROL}, |
| |
| /* Alternative names for special control registers. */ |
| {"ctl0", 0, REG_CONTROL}, |
| {"ctl1", 1, REG_CONTROL}, |
| {"ctl2", 2, REG_CONTROL}, |
| {"ctl3", 3, REG_CONTROL}, |
| {"ctl4", 4, REG_CONTROL}, |
| {"ctl5", 5, REG_CONTROL}, |
| {"ctl7", 7, REG_CONTROL}, |
| {"ctl8", 8, REG_CONTROL}, |
| {"ctl9", 9, REG_CONTROL}, |
| {"ctl10", 10, REG_CONTROL}, |
| {"ctl11", 11, REG_CONTROL}, |
| {"ctl12", 12, REG_CONTROL}, |
| {"ctl13", 13, REG_CONTROL}, |
| {"ctl14", 14, REG_CONTROL}, |
| {"ctl15", 15, REG_CONTROL}, |
| |
| /* Coprocessor register names. */ |
| {"c0", 0, REG_COPROCESSOR}, |
| {"c1", 1, REG_COPROCESSOR}, |
| {"c2", 2, REG_COPROCESSOR}, |
| {"c3", 3, REG_COPROCESSOR}, |
| {"c4", 4, REG_COPROCESSOR}, |
| {"c5", 5, REG_COPROCESSOR}, |
| {"c6", 6, REG_COPROCESSOR}, |
| {"c7", 7, REG_COPROCESSOR}, |
| {"c8", 8, REG_COPROCESSOR}, |
| {"c9", 9, REG_COPROCESSOR}, |
| {"c10", 10, REG_COPROCESSOR}, |
| {"c11", 11, REG_COPROCESSOR}, |
| {"c12", 12, REG_COPROCESSOR}, |
| {"c13", 13, REG_COPROCESSOR}, |
| {"c14", 14, REG_COPROCESSOR}, |
| {"c15", 15, REG_COPROCESSOR}, |
| {"c16", 16, REG_COPROCESSOR}, |
| {"c17", 17, REG_COPROCESSOR}, |
| {"c18", 18, REG_COPROCESSOR}, |
| {"c19", 19, REG_COPROCESSOR}, |
| {"c20", 20, REG_COPROCESSOR}, |
| {"c21", 21, REG_COPROCESSOR}, |
| {"c22", 22, REG_COPROCESSOR}, |
| {"c23", 23, REG_COPROCESSOR}, |
| {"c24", 24, REG_COPROCESSOR}, |
| {"c25", 25, REG_COPROCESSOR}, |
| {"c26", 26, REG_COPROCESSOR}, |
| {"c27", 27, REG_COPROCESSOR}, |
| {"c28", 28, REG_COPROCESSOR}, |
| {"c29", 29, REG_COPROCESSOR}, |
| {"c30", 30, REG_COPROCESSOR}, |
| {"c31", 31, REG_COPROCESSOR}, |
| }; |
| |
| #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_r1_opcodes[] = |
| { |
| /* { name, args, args_test, num_args, size, format, |
| match, mask, pinfo, overflow } */ |
| {"add", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_ADD, MASK_R1_ADD, 0, no_overflow}, |
| {"addi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_ADDI, MASK_R1_ADDI, 0, signed_immed16_overflow}, |
| {"and", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_AND, MASK_R1_AND, 0, no_overflow}, |
| {"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_ANDHI, MASK_R1_ANDHI, 0, unsigned_immed16_overflow}, |
| {"andi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_ANDI, MASK_R1_ANDI, 0, unsigned_immed16_overflow}, |
| {"beq", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BEQ, MASK_R1_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bge", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BGE, MASK_R1_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BGEU, MASK_R1_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BGT, MASK_R1_BGT, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BGTU, MASK_R1_BGTU, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"ble", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BLE, MASK_R1_BLE, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BLEU, MASK_R1_BLEU, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"blt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BLT, MASK_R1_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BLTU, MASK_R1_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bne", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, |
| MATCH_R1_BNE, MASK_R1_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"br", "o", "o,E", 1, 4, iw_i_type, |
| MATCH_R1_BR, MASK_R1_BR, NIOS2_INSN_UBRANCH, branch_target_overflow}, |
| {"break", "j", "j,E", 1, 4, iw_r_type, |
| MATCH_R1_BREAK, MASK_R1_BREAK, NIOS2_INSN_OPTARG, no_overflow}, |
| {"bret", "", "E", 0, 4, iw_r_type, |
| MATCH_R1_BRET, MASK_R1_BRET, 0, no_overflow}, |
| {"call", "m", "m,E", 1, 4, iw_j_type, |
| MATCH_R1_CALL, MASK_R1_CALL, NIOS2_INSN_CALL, call_target_overflow}, |
| {"callr", "s", "s,E", 1, 4, iw_r_type, |
| MATCH_R1_CALLR, MASK_R1_CALLR, 0, no_overflow}, |
| {"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPEQ, MASK_R1_CMPEQ, 0, no_overflow}, |
| {"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPEQI, MASK_R1_CMPEQI, 0, signed_immed16_overflow}, |
| {"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPGE, MASK_R1_CMPGE, 0, no_overflow}, |
| {"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPGEI, MASK_R1_CMPGEI, 0, signed_immed16_overflow}, |
| {"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPGEU, MASK_R1_CMPGEU, 0, no_overflow}, |
| {"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPGEUI, MASK_R1_CMPGEUI, 0, unsigned_immed16_overflow}, |
| {"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPGT, MASK_R1_CMPGT, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPGTI, MASK_R1_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow}, |
| {"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPGTU, MASK_R1_CMPGTU, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPGTUI, MASK_R1_CMPGTUI, |
| NIOS2_INSN_MACRO, unsigned_immed16_overflow}, |
| {"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPLE, MASK_R1_CMPLE, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPLEI, MASK_R1_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow}, |
| {"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPLEU, MASK_R1_CMPLEU, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPLEUI, MASK_R1_CMPLEUI, |
| NIOS2_INSN_MACRO, unsigned_immed16_overflow}, |
| {"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPLT, MASK_R1_CMPLT, 0, no_overflow}, |
| {"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPLTI, MASK_R1_CMPLTI, 0, signed_immed16_overflow}, |
| {"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPLTU, MASK_R1_CMPLTU, 0, no_overflow}, |
| {"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPLTUI, MASK_R1_CMPLTUI, 0, unsigned_immed16_overflow}, |
| {"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_CMPNE, MASK_R1_CMPNE, 0, no_overflow}, |
| {"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_CMPNEI, MASK_R1_CMPNEI, 0, signed_immed16_overflow}, |
| {"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_custom_type, |
| MATCH_R1_CUSTOM, MASK_R1_CUSTOM, 0, custom_opcode_overflow}, |
| {"div", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_DIV, MASK_R1_DIV, 0, no_overflow}, |
| {"divu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_DIVU, MASK_R1_DIVU, 0, no_overflow}, |
| {"eret", "", "E", 0, 4, iw_r_type, |
| MATCH_R1_ERET, MASK_R1_ERET, 0, no_overflow}, |
| {"flushd", "i(s)", "i(s),E", 2, 4, iw_i_type, |
| MATCH_R1_FLUSHD, MASK_R1_FLUSHD, 0, address_offset_overflow}, |
| {"flushda", "i(s)", "i(s),E", 2, 4, iw_i_type, |
| MATCH_R1_FLUSHDA, MASK_R1_FLUSHDA, 0, address_offset_overflow}, |
| {"flushi", "s", "s,E", 1, 4, iw_r_type, |
| MATCH_R1_FLUSHI, MASK_R1_FLUSHI, 0, no_overflow}, |
| {"flushp", "", "E", 0, 4, iw_r_type, |
| MATCH_R1_FLUSHP, MASK_R1_FLUSHP, 0, no_overflow}, |
| {"initd", "i(s)", "i(s),E", 2, 4, iw_i_type, |
| MATCH_R1_INITD, MASK_R1_INITD, 0, address_offset_overflow}, |
| {"initda", "i(s)", "i(s),E", 2, 4, iw_i_type, |
| MATCH_R1_INITDA, MASK_R1_INITDA, 0, address_offset_overflow}, |
| {"initi", "s", "s,E", 1, 4, iw_r_type, |
| MATCH_R1_INITI, MASK_R1_INITI, 0, no_overflow}, |
| {"jmp", "s", "s,E", 1, 4, iw_r_type, |
| MATCH_R1_JMP, MASK_R1_JMP, 0, no_overflow}, |
| {"jmpi", "m", "m,E", 1, 4, iw_j_type, |
| MATCH_R1_JMPI, MASK_R1_JMPI, 0, call_target_overflow}, |
| {"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDB, MASK_R1_LDB, 0, address_offset_overflow}, |
| {"ldbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDBIO, MASK_R1_LDBIO, 0, address_offset_overflow}, |
| {"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDBU, MASK_R1_LDBU, 0, address_offset_overflow}, |
| {"ldbuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDBUIO, MASK_R1_LDBUIO, 0, address_offset_overflow}, |
| {"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDH, MASK_R1_LDH, 0, address_offset_overflow}, |
| {"ldhio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDHIO, MASK_R1_LDHIO, 0, address_offset_overflow}, |
| {"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDHU, MASK_R1_LDHU, 0, address_offset_overflow}, |
| {"ldhuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDHUIO, MASK_R1_LDHUIO, 0, address_offset_overflow}, |
| {"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDW, MASK_R1_LDW, 0, address_offset_overflow}, |
| {"ldwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_LDWIO, MASK_R1_LDWIO, 0, address_offset_overflow}, |
| {"mov", "d,s", "d,s,E", 2, 4, iw_r_type, |
| MATCH_R1_MOV, MASK_R1_MOV, NIOS2_INSN_MACRO_MOV, no_overflow}, |
| {"movhi", "t,u", "t,u,E", 2, 4, iw_i_type, |
| MATCH_R1_MOVHI, MASK_R1_MOVHI, |
| NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, |
| {"movi", "t,i", "t,i,E", 2, 4, iw_i_type, |
| MATCH_R1_MOVI, MASK_R1_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow}, |
| {"movia", "t,o", "t,o,E", 2, 4, iw_i_type, |
| MATCH_R1_ORHI, MASK_R1_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow}, |
| {"movui", "t,u", "t,u,E", 2, 4, iw_i_type, |
| MATCH_R1_MOVUI, MASK_R1_MOVUI, |
| NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, |
| {"mul", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_MUL, MASK_R1_MUL, 0, no_overflow}, |
| {"muli", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_MULI, MASK_R1_MULI, 0, signed_immed16_overflow}, |
| {"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_MULXSS, MASK_R1_MULXSS, 0, no_overflow}, |
| {"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_MULXSU, MASK_R1_MULXSU, 0, no_overflow}, |
| {"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_MULXUU, MASK_R1_MULXUU, 0, no_overflow}, |
| {"nextpc", "d", "d,E", 1, 4, iw_r_type, |
| MATCH_R1_NEXTPC, MASK_R1_NEXTPC, 0, no_overflow}, |
| {"nop", "", "E", 0, 4, iw_r_type, |
| MATCH_R1_NOP, MASK_R1_NOP, NIOS2_INSN_MACRO_MOV, no_overflow}, |
| {"nor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_NOR, MASK_R1_NOR, 0, no_overflow}, |
| {"or", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_OR, MASK_R1_OR, 0, no_overflow}, |
| {"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_ORHI, MASK_R1_ORHI, 0, unsigned_immed16_overflow}, |
| {"ori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_ORI, MASK_R1_ORI, 0, unsigned_immed16_overflow}, |
| {"rdctl", "d,c", "d,c,E", 2, 4, iw_r_type, |
| MATCH_R1_RDCTL, MASK_R1_RDCTL, 0, no_overflow}, |
| {"rdprs", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_RDPRS, MASK_R1_RDPRS, 0, signed_immed16_overflow}, |
| {"ret", "", "E", 0, 4, iw_r_type, |
| MATCH_R1_RET, MASK_R1_RET, 0, no_overflow}, |
| {"rol", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_ROL, MASK_R1_ROL, 0, no_overflow}, |
| {"roli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, |
| MATCH_R1_ROLI, MASK_R1_ROLI, 0, unsigned_immed5_overflow}, |
| {"ror", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_ROR, MASK_R1_ROR, 0, no_overflow}, |
| {"sll", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_SLL, MASK_R1_SLL, 0, no_overflow}, |
| {"slli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, |
| MATCH_R1_SLLI, MASK_R1_SLLI, 0, unsigned_immed5_overflow}, |
| {"sra", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_SRA, MASK_R1_SRA, 0, no_overflow}, |
| {"srai", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, |
| MATCH_R1_SRAI, MASK_R1_SRAI, 0, unsigned_immed5_overflow}, |
| {"srl", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_SRL, MASK_R1_SRL, 0, no_overflow}, |
| {"srli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, |
| MATCH_R1_SRLI, MASK_R1_SRLI, 0, unsigned_immed5_overflow}, |
| {"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_STB, MASK_R1_STB, 0, address_offset_overflow}, |
| {"stbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_STBIO, MASK_R1_STBIO, 0, address_offset_overflow}, |
| {"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_STH, MASK_R1_STH, 0, address_offset_overflow}, |
| {"sthio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_STHIO, MASK_R1_STHIO, 0, address_offset_overflow}, |
| {"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_STW, MASK_R1_STW, 0, address_offset_overflow}, |
| {"stwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, |
| MATCH_R1_STWIO, MASK_R1_STWIO, 0, address_offset_overflow}, |
| {"sub", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_SUB, MASK_R1_SUB, 0, no_overflow}, |
| {"subi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, |
| MATCH_R1_SUBI, MASK_R1_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow}, |
| {"sync", "", "E", 0, 4, iw_r_type, |
| MATCH_R1_SYNC, MASK_R1_SYNC, 0, no_overflow}, |
| {"trap", "j", "j,E", 1, 4, iw_r_type, |
| MATCH_R1_TRAP, MASK_R1_TRAP, NIOS2_INSN_OPTARG, no_overflow}, |
| {"wrctl", "c,s", "c,s,E", 2, 4, iw_r_type, |
| MATCH_R1_WRCTL, MASK_R1_WRCTL, 0, no_overflow}, |
| {"wrprs", "d,s", "d,s,E", 2, 4, iw_r_type, |
| MATCH_R1_WRPRS, MASK_R1_WRPRS, 0, no_overflow}, |
| {"xor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, |
| MATCH_R1_XOR, MASK_R1_XOR, 0, no_overflow}, |
| {"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_XORHI, MASK_R1_XORHI, 0, unsigned_immed16_overflow}, |
| {"xori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, |
| MATCH_R1_XORI, MASK_R1_XORI, 0, unsigned_immed16_overflow} |
| }; |
| |
| #define NIOS2_NUM_R1_OPCODES \ |
| ((sizeof nios2_r1_opcodes) / (sizeof (nios2_r1_opcodes[0]))) |
| const int nios2_num_r1_opcodes = NIOS2_NUM_R1_OPCODES; |
| |
| |
| const struct nios2_opcode nios2_r2_opcodes[] = |
| { |
| /* { name, args, args_test, num_args, size, format, |
| match, mask, pinfo, overflow } */ |
| {"add", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_ADD, MASK_R2_ADD, 0, no_overflow}, |
| {"addi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ADDI, MASK_R2_ADDI, 0, signed_immed16_overflow}, |
| {"add.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type, |
| MATCH_R2_ADD_N, MASK_R2_ADD_N, 0, no_overflow}, |
| {"addi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type, |
| MATCH_R2_ADDI_N, MASK_R2_ADDI_N, 0, enumeration_overflow}, |
| {"and", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_AND, MASK_R2_AND, 0, no_overflow}, |
| {"andchi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ANDCHI, MASK_R2_ANDCHI, 0, unsigned_immed16_overflow}, |
| {"andci", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ANDCI, MASK_R2_ANDCI, 0, unsigned_immed16_overflow}, |
| {"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ANDHI, MASK_R2_ANDHI, 0, unsigned_immed16_overflow}, |
| {"andi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ANDI, MASK_R2_ANDI, 0, unsigned_immed16_overflow}, |
| {"andi.n", "T,S,g", "T,S,g,E", 3, 2, iw_T2I4_type, |
| MATCH_R2_ANDI_N, MASK_R2_ANDI_N, 0, enumeration_overflow}, |
| {"and.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, |
| MATCH_R2_AND_N, MASK_R2_AND_N, 0, no_overflow}, |
| {"beq", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BEQ, MASK_R2_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"beqz.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type, |
| MATCH_R2_BEQZ_N, MASK_R2_BEQZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bge", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BGE, MASK_R2_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BGEU, MASK_R2_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BGT, MASK_R2_BGT, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BGTU, MASK_R2_BGTU, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"ble", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BLE, MASK_R2_BLE, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BLEU, MASK_R2_BLEU, |
| NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"blt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BLT, MASK_R2_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BLTU, MASK_R2_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bne", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_BNE, MASK_R2_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"bnez.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type, |
| MATCH_R2_BNEZ_N, MASK_R2_BNEZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow}, |
| {"br", "o", "o,E", 1, 4, iw_F2I16_type, |
| MATCH_R2_BR, MASK_R2_BR, NIOS2_INSN_UBRANCH, branch_target_overflow}, |
| {"break", "j", "j,E", 1, 4, iw_F3X6L5_type, |
| MATCH_R2_BREAK, MASK_R2_BREAK, NIOS2_INSN_OPTARG, no_overflow}, |
| {"break.n", "j", "j,E", 1, 2, iw_X2L5_type, |
| MATCH_R2_BREAK_N, MASK_R2_BREAK_N, NIOS2_INSN_OPTARG, no_overflow}, |
| {"bret", "", "E", 0, 4, iw_F3X6_type, |
| MATCH_R2_BRET, MASK_R2_BRET, 0, no_overflow}, |
| {"br.n", "O", "O,E", 1, 2, iw_I10_type, |
| MATCH_R2_BR_N, MASK_R2_BR_N, NIOS2_INSN_UBRANCH, branch_target_overflow}, |
| {"call", "m", "m,E", 1, 4, iw_L26_type, |
| MATCH_R2_CALL, MASK_R2_CALL, NIOS2_INSN_CALL, call_target_overflow}, |
| {"callr", "s", "s,E", 1, 4, iw_F3X6_type, |
| MATCH_R2_CALLR, MASK_R2_CALLR, 0, no_overflow}, |
| {"callr.n", "s", "s,E", 1, 2, iw_F1X1_type, |
| MATCH_R2_CALLR_N, MASK_R2_CALLR_N, 0, no_overflow}, |
| {"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPEQ, MASK_R2_CMPEQ, 0, no_overflow}, |
| {"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPEQI, MASK_R2_CMPEQI, 0, signed_immed16_overflow}, |
| {"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPGE, MASK_R2_CMPGE, 0, no_overflow}, |
| {"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPGEI, MASK_R2_CMPGEI, 0, signed_immed16_overflow}, |
| {"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPGEU, MASK_R2_CMPGEU, 0, no_overflow}, |
| {"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPGEUI, MASK_R2_CMPGEUI, 0, unsigned_immed16_overflow}, |
| {"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPGT, MASK_R2_CMPGT, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPGTI, MASK_R2_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow}, |
| {"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPGTU, MASK_R2_CMPGTU, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPGTUI, MASK_R2_CMPGTUI, |
| NIOS2_INSN_MACRO, unsigned_immed16_overflow}, |
| {"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPLE, MASK_R2_CMPLE, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPLEI, MASK_R2_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow}, |
| {"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPLEU, MASK_R2_CMPLEU, NIOS2_INSN_MACRO, no_overflow}, |
| {"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPLEUI, MASK_R2_CMPLEUI, |
| NIOS2_INSN_MACRO, unsigned_immed16_overflow}, |
| {"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPLT, MASK_R2_CMPLT, 0, no_overflow}, |
| {"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPLTI, MASK_R2_CMPLTI, 0, signed_immed16_overflow}, |
| {"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPLTU, MASK_R2_CMPLTU, 0, no_overflow}, |
| {"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPLTUI, MASK_R2_CMPLTUI, 0, unsigned_immed16_overflow}, |
| {"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_CMPNE, MASK_R2_CMPNE, 0, no_overflow}, |
| {"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_CMPNEI, MASK_R2_CMPNEI, 0, signed_immed16_overflow}, |
| {"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_F3X8_type, |
| MATCH_R2_CUSTOM, MASK_R2_CUSTOM, 0, custom_opcode_overflow}, |
| {"div", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_DIV, MASK_R2_DIV, 0, no_overflow}, |
| {"divu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_DIVU, MASK_R2_DIVU, 0, no_overflow}, |
| {"eni", "j", "j,E", 1, 4, iw_F3X6L5_type, |
| MATCH_R2_ENI, MASK_R2_ENI, NIOS2_INSN_OPTARG, no_overflow}, |
| {"eret", "", "E", 0, 4, iw_F3X6_type, |
| MATCH_R2_ERET, MASK_R2_ERET, 0, no_overflow}, |
| {"extract", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type, |
| MATCH_R2_EXTRACT, MASK_R2_EXTRACT, 0, no_overflow}, |
| {"flushd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, |
| MATCH_R2_FLUSHD, MASK_R2_FLUSHD, 0, address_offset_overflow}, |
| {"flushda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, |
| MATCH_R2_FLUSHDA, MASK_R2_FLUSHDA, 0, address_offset_overflow}, |
| {"flushi", "s", "s,E", 1, 4, iw_F3X6_type, |
| MATCH_R2_FLUSHI, MASK_R2_FLUSHI, 0, no_overflow}, |
| {"flushp", "", "E", 0, 4, iw_F3X6_type, |
| MATCH_R2_FLUSHP, MASK_R2_FLUSHP, 0, no_overflow}, |
| {"initd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, |
| MATCH_R2_INITD, MASK_R2_INITD, 0, address_offset_overflow}, |
| {"initda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, |
| MATCH_R2_INITDA, MASK_R2_INITDA, 0, address_offset_overflow}, |
| {"initi", "s", "s,E", 1, 4, iw_F3X6_type, |
| MATCH_R2_INITI, MASK_R2_INITI, 0, no_overflow}, |
| {"insert", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type, |
| MATCH_R2_INSERT, MASK_R2_INSERT, 0, no_overflow}, |
| {"jmp", "s", "s,E", 1, 4, iw_F3X6_type, |
| MATCH_R2_JMP, MASK_R2_JMP, 0, no_overflow}, |
| {"jmpi", "m", "m,E", 1, 4, iw_L26_type, |
| MATCH_R2_JMPI, MASK_R2_JMPI, 0, call_target_overflow}, |
| {"jmpr.n", "s", "s,E", 1, 2, iw_F1X1_type, |
| MATCH_R2_JMPR_N, MASK_R2_JMPR_N, 0, no_overflow}, |
| {"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_LDB, MASK_R2_LDB, 0, address_offset_overflow}, |
| {"ldbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_LDBIO, MASK_R2_LDBIO, 0, signed_immed12_overflow}, |
| {"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_LDBU, MASK_R2_LDBU, 0, address_offset_overflow}, |
| {"ldbuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_LDBUIO, MASK_R2_LDBUIO, 0, signed_immed12_overflow}, |
| {"ldbu.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type, |
| MATCH_R2_LDBU_N, MASK_R2_LDBU_N, 0, address_offset_overflow}, |
| {"ldex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type, |
| MATCH_R2_LDEX, MASK_R2_LDEX, 0, no_overflow}, |
| {"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_LDH, MASK_R2_LDH, 0, address_offset_overflow}, |
| {"ldhio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_LDHIO, MASK_R2_LDHIO, 0, signed_immed12_overflow}, |
| {"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_LDHU, MASK_R2_LDHU, 0, address_offset_overflow}, |
| {"ldhuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_LDHUIO, MASK_R2_LDHUIO, 0, signed_immed12_overflow}, |
| {"ldhu.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type, |
| MATCH_R2_LDHU_N, MASK_R2_LDHU_N, 0, address_offset_overflow}, |
| {"ldsex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type, |
| MATCH_R2_LDSEX, MASK_R2_LDSEX, 0, no_overflow}, |
| {"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_LDW, MASK_R2_LDW, 0, address_offset_overflow}, |
| {"ldwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_LDWIO, MASK_R2_LDWIO, 0, signed_immed12_overflow}, |
| {"ldwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type, |
| MATCH_R2_LDWM, MASK_R2_LDWM, 0, no_overflow}, |
| {"ldw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type, |
| MATCH_R2_LDW_N, MASK_R2_LDW_N, 0, address_offset_overflow}, |
| {"ldwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type, |
| MATCH_R2_LDWSP_N, MASK_R2_LDWSP_N, 0, address_offset_overflow}, |
| {"merge", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type, |
| MATCH_R2_MERGE, MASK_R2_MERGE, 0, no_overflow}, |
| {"mov", "d,s", "d,s,E", 2, 4, iw_F3X6_type, |
| MATCH_R2_MOV, MASK_R2_MOV, NIOS2_INSN_MACRO_MOV, no_overflow}, |
| {"mov.n", "d,s", "d,s,E", 2, 2, iw_F2_type, |
| MATCH_R2_MOV_N, MASK_R2_MOV_N, 0, no_overflow}, |
| {"movi.n", "D,h", "D,h,E", 2, 2, iw_T1I7_type, |
| MATCH_R2_MOVI_N, MASK_R2_MOVI_N, 0, enumeration_overflow}, |
| {"movhi", "t,u", "t,u,E", 2, 4, iw_F2I16_type, |
| MATCH_R2_MOVHI, MASK_R2_MOVHI, |
| NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, |
| {"movi", "t,i", "t,i,E", 2, 4, iw_F2I16_type, |
| MATCH_R2_MOVI, MASK_R2_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow}, |
| {"movia", "t,o", "t,o,E", 2, 4, iw_F2I16_type, |
| MATCH_R2_ORHI, MASK_R2_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow}, |
| {"movui", "t,u", "t,u,E", 2, 4, iw_F2I16_type, |
| MATCH_R2_MOVUI, MASK_R2_MOVUI, |
| NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, |
| {"mul", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_MUL, MASK_R2_MUL, 0, no_overflow}, |
| {"muli", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_MULI, MASK_R2_MULI, 0, signed_immed16_overflow}, |
| {"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_MULXSS, MASK_R2_MULXSS, 0, no_overflow}, |
| {"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_MULXSU, MASK_R2_MULXSU, 0, no_overflow}, |
| {"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_MULXUU, MASK_R2_MULXUU, 0, no_overflow}, |
| /* The encoding of the neg.n operands is backwards, not |
| the interpretation -- the first operand is still the |
| destination and the second the source. */ |
| {"neg.n", "S,D", "S,D,E", 2, 2, iw_T2X3_type, |
| MATCH_R2_NEG_N, MASK_R2_NEG_N, 0, no_overflow}, |
| {"nextpc", "d", "d,E", 1, 4, iw_F3X6_type, |
| MATCH_R2_NEXTPC, MASK_R2_NEXTPC, 0, no_overflow}, |
| {"nop", "", "E", 0, 4, iw_F3X6_type, |
| MATCH_R2_NOP, MASK_R2_NOP, NIOS2_INSN_MACRO_MOV, no_overflow}, |
| {"nop.n", "", "E", 0, 2, iw_F2_type, |
| MATCH_R2_NOP_N, MASK_R2_NOP_N, NIOS2_INSN_MACRO_MOV, no_overflow}, |
| {"nor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_NOR, MASK_R2_NOR, 0, no_overflow}, |
| {"not.n", "D,S", "D,S,E", 2, 2, iw_T2X3_type, |
| MATCH_R2_NOT_N, MASK_R2_NOT_N, 0, no_overflow}, |
| {"or", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_OR, MASK_R2_OR, 0, no_overflow}, |
| {"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ORHI, MASK_R2_ORHI, 0, unsigned_immed16_overflow}, |
| {"ori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_ORI, MASK_R2_ORI, 0, unsigned_immed16_overflow}, |
| {"or.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, |
| MATCH_R2_OR_N, MASK_R2_OR_N, 0, no_overflow}, |
| {"pop.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type, |
| MATCH_R2_POP_N, MASK_R2_POP_N, NIOS2_INSN_OPTARG, no_overflow}, |
| {"push.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type, |
| MATCH_R2_PUSH_N, MASK_R2_PUSH_N, NIOS2_INSN_OPTARG, no_overflow}, |
| {"rdctl", "d,c", "d,c,E", 2, 4, iw_F3X6L5_type, |
| MATCH_R2_RDCTL, MASK_R2_RDCTL, 0, no_overflow}, |
| {"rdprs", "t,s,I", "t,s,I,E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_RDPRS, MASK_R2_RDPRS, 0, signed_immed12_overflow}, |
| {"ret", "", "E", 0, 4, iw_F3X6_type, |
| MATCH_R2_RET, MASK_R2_RET, 0, no_overflow}, |
| {"ret.n", "", "E", 0, 2, iw_X2L5_type, |
| MATCH_R2_RET_N, MASK_R2_RET_N, 0, no_overflow}, |
| {"rol", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_ROL, MASK_R2_ROL, 0, no_overflow}, |
| {"roli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, |
| MATCH_R2_ROLI, MASK_R2_ROLI, 0, unsigned_immed5_overflow}, |
| {"ror", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_ROR, MASK_R2_ROR, 0, no_overflow}, |
| {"sll", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_SLL, MASK_R2_SLL, 0, no_overflow}, |
| {"slli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, |
| MATCH_R2_SLLI, MASK_R2_SLLI, 0, unsigned_immed5_overflow}, |
| {"sll.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, |
| MATCH_R2_SLL_N, MASK_R2_SLL_N, 0, no_overflow}, |
| {"slli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type, |
| MATCH_R2_SLLI_N, MASK_R2_SLLI_N, 0, enumeration_overflow}, |
| {"spaddi.n", "D,U", "D,U,E", 2, 2, iw_T1I7_type, |
| MATCH_R2_SPADDI_N, MASK_R2_SPADDI_N, 0, address_offset_overflow}, |
| {"spdeci.n", "U", "U,E", 1, 2, iw_X1I7_type, |
| MATCH_R2_SPDECI_N, MASK_R2_SPDECI_N, 0, address_offset_overflow}, |
| {"spinci.n", "U", "U,E", 1, 2, iw_X1I7_type, |
| MATCH_R2_SPINCI_N, MASK_R2_SPINCI_N, 0, address_offset_overflow}, |
| {"sra", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_SRA, MASK_R2_SRA, 0, no_overflow}, |
| {"srai", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, |
| MATCH_R2_SRAI, MASK_R2_SRAI, 0, unsigned_immed5_overflow}, |
| {"srl", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_SRL, MASK_R2_SRL, 0, no_overflow}, |
| {"srli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, |
| MATCH_R2_SRLI, MASK_R2_SRLI, 0, unsigned_immed5_overflow}, |
| {"srl.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, |
| MATCH_R2_SRL_N, MASK_R2_SRL_N, 0, no_overflow}, |
| {"srli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type, |
| MATCH_R2_SRLI_N, MASK_R2_SRLI_N, 0, enumeration_overflow}, |
| {"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_STB, MASK_R2_STB, 0, address_offset_overflow}, |
| {"stbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_STBIO, MASK_R2_STBIO, 0, signed_immed12_overflow}, |
| {"stb.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type, |
| MATCH_R2_STB_N, MASK_R2_STB_N, 0, address_offset_overflow}, |
| {"stbz.n", "t,M(S)", "t,M(S),E", 3, 2, iw_T1X1I6_type, |
| MATCH_R2_STBZ_N, MASK_R2_STBZ_N, 0, address_offset_overflow}, |
| {"stex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type, |
| MATCH_R2_STEX, MASK_R2_STEX, 0, no_overflow}, |
| {"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_STH, MASK_R2_STH, 0, address_offset_overflow}, |
| {"sthio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_STHIO, MASK_R2_STHIO, 0, signed_immed12_overflow}, |
| {"sth.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type, |
| MATCH_R2_STH_N, MASK_R2_STH_N, 0, address_offset_overflow}, |
| {"stsex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type, |
| MATCH_R2_STSEX, MASK_R2_STSEX, 0, no_overflow}, |
| {"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, |
| MATCH_R2_STW, MASK_R2_STW, 0, address_offset_overflow}, |
| {"stwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, |
| MATCH_R2_STWIO, MASK_R2_STWIO, 0, signed_immed12_overflow}, |
| {"stwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type, |
| MATCH_R2_STWM, MASK_R2_STWM, 0, no_overflow}, |
| {"stwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type, |
| MATCH_R2_STWSP_N, MASK_R2_STWSP_N, 0, address_offset_overflow}, |
| {"stw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type, |
| MATCH_R2_STW_N, MASK_R2_STW_N, 0, address_offset_overflow}, |
| {"stwz.n", "t,N(S)", "t,N(S),E", 3, 2, iw_T1X1I6_type, |
| MATCH_R2_STWZ_N, MASK_R2_STWZ_N, 0, address_offset_overflow}, |
| {"sub", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_SUB, MASK_R2_SUB, 0, no_overflow}, |
| {"subi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_SUBI, MASK_R2_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow}, |
| {"sub.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type, |
| MATCH_R2_SUB_N, MASK_R2_SUB_N, 0, no_overflow}, |
| {"subi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type, |
| MATCH_R2_SUBI_N, MASK_R2_SUBI_N, 0, enumeration_overflow}, |
| {"sync", "", "E", 0, 4, iw_F3X6_type, |
| MATCH_R2_SYNC, MASK_R2_SYNC, 0, no_overflow}, |
| {"trap", "j", "j,E", 1, 4, iw_F3X6L5_type, |
| MATCH_R2_TRAP, MASK_R2_TRAP, NIOS2_INSN_OPTARG, no_overflow}, |
| {"trap.n", "j", "j,E", 1, 2, iw_X2L5_type, |
| MATCH_R2_TRAP_N, MASK_R2_TRAP_N, NIOS2_INSN_OPTARG, no_overflow}, |
| {"wrctl", "c,s", "c,s,E", 2, 4, iw_F3X6L5_type, |
| MATCH_R2_WRCTL, MASK_R2_WRCTL, 0, no_overflow}, |
| {"wrpie", "d,s", "d,s,E", 2, 4, iw_F3X6L5_type, |
| MATCH_R2_WRPIE, MASK_R2_WRPIE, 0, no_overflow}, |
| {"wrprs", "d,s", "d,s,E", 2, 4, iw_F3X6_type, |
| MATCH_R2_WRPRS, MASK_R2_WRPRS, 0, no_overflow}, |
| {"xor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, |
| MATCH_R2_XOR, MASK_R2_XOR, 0, no_overflow}, |
| {"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_XORHI, MASK_R2_XORHI, 0, unsigned_immed16_overflow}, |
| {"xori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, |
| MATCH_R2_XORI, MASK_R2_XORI, 0, unsigned_immed16_overflow}, |
| {"xor.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, |
| MATCH_R2_XOR_N, MASK_R2_XOR_N, 0, no_overflow}, |
| }; |
| |
| #define NIOS2_NUM_R2_OPCODES \ |
| ((sizeof nios2_r2_opcodes) / (sizeof (nios2_r2_opcodes[0]))) |
| const int nios2_num_r2_opcodes = NIOS2_NUM_R2_OPCODES; |
| |
| /* Default to using the R1 instruction tables. */ |
| struct nios2_opcode *nios2_opcodes = (struct nios2_opcode *) nios2_r1_opcodes; |
| int nios2_num_opcodes = NIOS2_NUM_R1_OPCODES; |
| #undef NIOS2_NUM_R1_OPCODES |
| #undef NIOS2_NUM_R2_OPCODES |
| |
| /* Decodings for R2 asi.n (addi.n/subi.n) immediate values. */ |
| unsigned int nios2_r2_asi_n_mappings[] = |
| {1, 2, 4, 8, 16, 32, 64, 128}; |
| const int nios2_num_r2_asi_n_mappings = 8; |
| |
| /* Decodings for R2 shi.n (slli.n/srli.n) immediate values. */ |
| unsigned int nios2_r2_shi_n_mappings[] = |
| {1, 2, 3, 8, 12, 16, 24, 31}; |
| const int nios2_num_r2_shi_n_mappings = 8; |
| |
| /* Decodings for R2 andi.n immediate values. */ |
| unsigned int nios2_r2_andi_n_mappings[] = |
| {1, 2, 3, 4, 8, 0xf, 0x10, 0x1f, |
| 0x20, 0x3f, 0x7f, 0x80, 0xff, 0x7ff, 0xff00, 0xffff}; |
| const int nios2_num_r2_andi_n_mappings = 16; |
| |
| /* Decodings for R2 3-bit register fields. */ |
| int nios2_r2_reg3_mappings[] = |
| {16, 17, 2, 3, 4, 5, 6, 7}; |
| const int nios2_num_r2_reg3_mappings = 8; |
| |
| /* Decodings for R2 push.n/pop.n REG_RANGE value list. */ |
| unsigned long nios2_r2_reg_range_mappings[] = { |
| 0x00010000, |
| 0x00030000, |
| 0x00070000, |
| 0x000f0000, |
| 0x001f0000, |
| 0x003f0000, |
| 0x007f0000, |
| 0x00ff0000 |
| }; |
| const int nios2_num_r2_reg_range_mappings = 8; |
