/* Disassemble Xilinx microblaze instructions. Copyright (C) 1993, 1999, 2000 Free Software Foundation, Inc. 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, see <http://www.gnu.org/licenses/>. */ /* * Copyright (c) 2001 Xilinx, Inc. All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Xilinx, Inc. The name of the Company may not be used to endorse * or promote products derived from this software without specific prior * written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * Xilinx, Inc. */ #include <stdio.h> #define STATIC_TABLE #define DEFINE_TABLE #ifndef MICROBLAZE_OPC #define MICROBLAZE_OPC /* Assembler instructions for Xilinx's microblaze processor Copyright (C) 1999, 2000 Free Software Foundation, Inc. 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, see <http://www.gnu.org/licenses/>. */ /* * Copyright (c) 2001 Xilinx, Inc. All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Xilinx, Inc. The name of the Company may not be used to endorse * or promote products derived from this software without specific prior * written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * Xilinx, Inc. */ #ifndef MICROBLAZE_OPCM #define MICROBLAZE_OPCM /* * Copyright (c) 2001 Xilinx, Inc. All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Xilinx, Inc. The name of the Company may not be used to endorse * or promote products derived from this software without specific prior * written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * Xilinx, Inc. * $Header: */ enum microblaze_instr { add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, cmp, cmpu, addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul, idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput, ncget, ncput, muli, bslli, bsrai, bsrli, mului, or, and, xor, andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16, wic, wdc, mts, mfs, br, brd, brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, blt, bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni, imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid, brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti, bgtid, bgei, bgeid, lbu, lhu, lw, sb, sh, sw, lbui, lhui, lwi, sbi, shi, swi, msrset, msrclr, tuqula, fadd, frsub, fmul, fdiv, fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, invalid_inst } ; enum microblaze_instr_type { arithmetic_inst, logical_inst, mult_inst, div_inst, branch_inst, return_inst, immediate_inst, special_inst, memory_load_inst, memory_store_inst, barrel_shift_inst, anyware_inst }; #define INST_WORD_SIZE 4 /* gen purpose regs go from 0 to 31 */ /* mask is reg num - max_reg_num, ie reg_num - 32 in this case */ #define REG_PC_MASK 0x8000 #define REG_MSR_MASK 0x8001 #define REG_EAR_MASK 0x8003 #define REG_ESR_MASK 0x8005 #define REG_FSR_MASK 0x8007 #define MIN_REGNUM 0 #define MAX_REGNUM 31 #define REG_PC 32 /* PC */ #define REG_MSR 33 /* machine status reg */ #define REG_EAR 35 /* Exception reg */ #define REG_ESR 37 /* Exception reg */ #define REG_FSR 39 /* FPU Status reg */ /* alternate names for gen purpose regs */ #define REG_SP 1 /* stack pointer */ #define REG_ROSDP 2 /* read-only small data pointer */ #define REG_RWSDP 13 /* read-write small data pointer */ /* Assembler Register - Used in Delay Slot Optimization */ #define REG_AS 18 #define REG_ZERO 0 #define RD_LOW 21 /* low bit for RD */ #define RA_LOW 16 /* low bit for RA */ #define RB_LOW 11 /* low bit for RB */ #define IMM_LOW 0 /* low bit for immediate */ #define RD_MASK 0x03E00000 #define RA_MASK 0x001F0000 #define RB_MASK 0x0000F800 #define IMM_MASK 0x0000FFFF // imm mask for barrel shifts #define IMM5_MASK 0x0000001F // imm mask for get, put instructions #define IMM12_MASK 0x00000FFF // imm mask for msrset, msrclr instructions #define IMM14_MASK 0x00003FFF #endif /* MICROBLAZE-OPCM */ #define INST_TYPE_RD_R1_R2 0 #define INST_TYPE_RD_R1_IMM 1 #define INST_TYPE_RD_R1_UNSIGNED_IMM 2 #define INST_TYPE_RD_R1 3 #define INST_TYPE_RD_R2 4 #define INST_TYPE_RD_IMM 5 #define INST_TYPE_R2 6 #define INST_TYPE_R1_R2 7 #define INST_TYPE_R1_IMM 8 #define INST_TYPE_IMM 9 #define INST_TYPE_SPECIAL_R1 10 #define INST_TYPE_RD_SPECIAL 11 #define INST_TYPE_R1 12 // new instn type for barrel shift imms #define INST_TYPE_RD_R1_IMM5 13 #define INST_TYPE_RD_IMM12 14 #define INST_TYPE_R1_IMM12 15 // new insn type for insn cache #define INST_TYPE_RD_R1_SPECIAL 16 // new insn type for msrclr, msrset insns. #define INST_TYPE_RD_IMM14 17 // new insn type for tuqula rd - addik rd, r0, 42 #define INST_TYPE_RD 18 #define INST_TYPE_NONE 25 #define INST_PC_OFFSET 1 /* instructions where the label address is resolved as a PC offset (for branch label)*/ #define INST_NO_OFFSET 0 /* instructions where the label address is resolved as an absolute value (for data mem or abs address)*/ #define IMMVAL_MASK_NON_SPECIAL 0x0000 #define IMMVAL_MASK_MTS 0x4000 #define IMMVAL_MASK_MFS 0x0000 #define OPCODE_MASK_H 0xFC000000 /* High 6 bits only */ #define OPCODE_MASK_H1 0xFFE00000 /* High 11 bits */ #define OPCODE_MASK_H2 0xFC1F0000 /* High 6 and bits 20-16 */ #define OPCODE_MASK_H12 0xFFFF0000 /* High 16 */ #define OPCODE_MASK_H4 0xFC0007FF /* High 6 and low 11 bits */ #define OPCODE_MASK_H13S 0xFFE0FFF0 /* High 11 and 15:1 bits and last nibble of last byte for spr */ #define OPCODE_MASK_H23S 0xFC1FFFF0 /* High 6, 20-16 and 15:1 bits and last nibble of last byte for spr */ #define OPCODE_MASK_H34 0xFC00FFFF /* High 6 and low 16 bits */ #define OPCODE_MASK_H14 0xFFE007FF /* High 11 and low 11 bits */ #define OPCODE_MASK_H24 0xFC1F07FF /* High 6, bits 20-16 and low 11 bits */ #define OPCODE_MASK_H124 0xFFFF07FF /* High 16, and low 11 bits */ #define OPCODE_MASK_H1234 0xFFFFFFFF /* All 32 bits */ #define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22 */ #define OPCODE_MASK_H32 0xFC00F000 /* High 6 bits and bit 16, 17, 18 and 19*/ #define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits */ // New Mask for msrset, msrclr insns. #define OPCODE_MASK_H23N 0xFC1FC000 /* High 6 and bits 12 - 18 */ #define DELAY_SLOT 1 #define NO_DELAY_SLOT 0 #define MAX_OPCODES 149 struct op_code_struct { const char *name; short inst_type; /* registers and immediate values involved */ short inst_offset_type; /* immediate vals offset from PC? (= 1 for branches) */ short delay_slots; /* info about delay slots needed after this instr. */ short immval_mask; unsigned long bit_sequence; /* all the fixed bits for the op are set and all the variable bits (reg names, imm vals) are set to 0 */ unsigned long opcode_mask; /* which bits define the opcode */ enum microblaze_instr instr; enum microblaze_instr_type instr_type; /* more info about output format here */ } opcodes[MAX_OPCODES] = { {"add", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000000, OPCODE_MASK_H4, add, arithmetic_inst }, {"rsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H4, rsub, arithmetic_inst }, {"addc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000000, OPCODE_MASK_H4, addc, arithmetic_inst }, {"rsubc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x0C000000, OPCODE_MASK_H4, rsubc, arithmetic_inst }, {"addk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x10000000, OPCODE_MASK_H4, addk, arithmetic_inst }, {"rsubk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000000, OPCODE_MASK_H4, rsubk, arithmetic_inst }, {"cmp", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000001, OPCODE_MASK_H4, cmp, arithmetic_inst }, {"cmpu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000003, OPCODE_MASK_H4, cmpu, arithmetic_inst }, {"addkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x18000000, OPCODE_MASK_H4, addkc, arithmetic_inst }, {"rsubkc",INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x1C000000, OPCODE_MASK_H4, rsubkc, arithmetic_inst }, {"addi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x20000000, OPCODE_MASK_H, addi, arithmetic_inst }, {"rsubi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x24000000, OPCODE_MASK_H, rsubi, arithmetic_inst }, {"addic", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x28000000, OPCODE_MASK_H, addic, arithmetic_inst }, {"rsubic",INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x2C000000, OPCODE_MASK_H, rsubic, arithmetic_inst }, {"addik", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, addik, arithmetic_inst }, {"rsubik",INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x34000000, OPCODE_MASK_H, rsubik, arithmetic_inst }, {"addikc",INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x38000000, OPCODE_MASK_H, addikc, arithmetic_inst }, {"rsubikc",INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3C000000, OPCODE_MASK_H, rsubikc, arithmetic_inst }, {"mul", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x40000000, OPCODE_MASK_H4, mul, mult_inst }, {"idiv", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x48000000, OPCODE_MASK_H4, idiv, div_inst }, {"idivu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x48000002, OPCODE_MASK_H4, idivu, div_inst }, {"bsll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000400, OPCODE_MASK_H3, bsll, barrel_shift_inst }, {"bsra", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000200, OPCODE_MASK_H3, bsra, barrel_shift_inst }, {"bsrl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000000, OPCODE_MASK_H3, bsrl, barrel_shift_inst }, {"get", INST_TYPE_RD_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C000000, OPCODE_MASK_H32, get, anyware_inst }, {"put", INST_TYPE_R1_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C008000, OPCODE_MASK_H32, put, anyware_inst }, {"nget", INST_TYPE_RD_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C004000, OPCODE_MASK_H32, nget, anyware_inst }, {"nput", INST_TYPE_R1_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00C000, OPCODE_MASK_H32, nput, anyware_inst }, {"cget", INST_TYPE_RD_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C002000, OPCODE_MASK_H32, cget, anyware_inst }, {"cput", INST_TYPE_R1_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00A000, OPCODE_MASK_H32, cput, anyware_inst }, {"ncget", INST_TYPE_RD_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C006000, OPCODE_MASK_H32, ncget, anyware_inst }, {"ncput", INST_TYPE_R1_IMM12, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00E000, OPCODE_MASK_H32, ncput, anyware_inst }, {"muli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x60000000, OPCODE_MASK_H, muli, mult_inst }, {"bslli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3, bslli, barrel_shift_inst }, {"bsrai", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3, bsrai, barrel_shift_inst }, {"bsrli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3, bsrli, barrel_shift_inst }, {"or", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000000, OPCODE_MASK_H4, or, logical_inst }, {"and", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000000, OPCODE_MASK_H4, and, logical_inst }, {"xor", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000000, OPCODE_MASK_H4, xor, logical_inst }, {"andn", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000000, OPCODE_MASK_H4, andn, logical_inst }, {"pcmpbf",INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000400, OPCODE_MASK_H4, pcmpbf, logical_inst }, {"pcmpbc",INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000400, OPCODE_MASK_H4, pcmpbc, logical_inst }, {"pcmpeq",INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000400, OPCODE_MASK_H4, pcmpeq, logical_inst }, {"pcmpne",INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000400, OPCODE_MASK_H4, pcmpne, logical_inst }, {"sra", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000001, OPCODE_MASK_H34, sra, logical_inst }, {"src", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000021, OPCODE_MASK_H34, src, logical_inst }, {"srl", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000041, OPCODE_MASK_H34, srl, logical_inst }, {"sext8", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000060, OPCODE_MASK_H34, sext8, logical_inst }, {"sext16",INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000061, OPCODE_MASK_H34, sext16, logical_inst }, {"wic", INST_TYPE_RD_R1_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000068, OPCODE_MASK_H34B, wic, special_inst }, {"wdc", INST_TYPE_RD_R1_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000064, OPCODE_MASK_H34B, wdc, special_inst }, {"mts", INST_TYPE_SPECIAL_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MTS, 0x9400C000, OPCODE_MASK_H13S, mts, special_inst }, {"mfs", INST_TYPE_RD_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MFS, 0x94008000, OPCODE_MASK_H23S, mfs, special_inst }, {"br", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98000000, OPCODE_MASK_H124, br, branch_inst }, {"brd", INST_TYPE_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98100000, OPCODE_MASK_H124, brd, branch_inst }, {"brld", INST_TYPE_RD_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98140000, OPCODE_MASK_H24, brld, branch_inst }, {"bra", INST_TYPE_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98080000, OPCODE_MASK_H124, bra, branch_inst }, {"brad", INST_TYPE_R2, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98180000, OPCODE_MASK_H124, brad, branch_inst }, {"brald", INST_TYPE_RD_R2, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x981C0000, OPCODE_MASK_H24, brald, branch_inst }, {"brk", INST_TYPE_RD_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x980C0000, OPCODE_MASK_H24, microblaze_brk, branch_inst }, {"beq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9C000000, OPCODE_MASK_H14, beq, branch_inst }, {"beqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9E000000, OPCODE_MASK_H14, beqd, branch_inst }, {"bne", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9C200000, OPCODE_MASK_H14, bne, branch_inst }, {"bned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9E200000, OPCODE_MASK_H14, bned, branch_inst }, {"blt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9C400000, OPCODE_MASK_H14, blt, branch_inst }, {"bltd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9E400000, OPCODE_MASK_H14, bltd, branch_inst }, {"ble", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9C600000, OPCODE_MASK_H14, ble, branch_inst }, {"bled", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9E600000, OPCODE_MASK_H14, bled, branch_inst }, {"bgt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9C800000, OPCODE_MASK_H14, bgt, branch_inst }, {"bgtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9E800000, OPCODE_MASK_H14, bgtd, branch_inst }, {"bge", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9CA00000, OPCODE_MASK_H14, bge, branch_inst }, {"bged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9EA00000, OPCODE_MASK_H14, bged, branch_inst }, {"ori", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA0000000, OPCODE_MASK_H, ori, logical_inst }, {"andi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA4000000, OPCODE_MASK_H, andi, logical_inst }, {"xori", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA8000000, OPCODE_MASK_H, xori, logical_inst }, {"andni", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xAC000000, OPCODE_MASK_H, andni, logical_inst }, {"imm", INST_TYPE_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB0000000, OPCODE_MASK_H12, imm, immediate_inst }, {"rtsd", INST_TYPE_R1_IMM, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6000000, OPCODE_MASK_H1, rtsd, return_inst }, {"rtid", INST_TYPE_R1_IMM, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6200000, OPCODE_MASK_H1, rtid, return_inst }, {"rtbd", INST_TYPE_R1_IMM, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6400000, OPCODE_MASK_H1, rtbd, return_inst }, {"rted", INST_TYPE_R1_IMM, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6800000, OPCODE_MASK_H1, rted, return_inst }, {"bri", INST_TYPE_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8000000, OPCODE_MASK_H12, bri, branch_inst }, {"brid", INST_TYPE_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8100000, OPCODE_MASK_H12, brid, branch_inst }, {"brlid", INST_TYPE_RD_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8140000, OPCODE_MASK_H2, brlid, branch_inst }, {"brai", INST_TYPE_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8080000, OPCODE_MASK_H12, brai, branch_inst }, {"braid", INST_TYPE_IMM, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8180000, OPCODE_MASK_H12, braid, branch_inst }, {"bralid",INST_TYPE_RD_IMM, INST_NO_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB81C0000, OPCODE_MASK_H2, bralid, branch_inst }, {"brki", INST_TYPE_RD_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB80C0000, OPCODE_MASK_H2, brki, branch_inst }, {"beqi", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBC000000, OPCODE_MASK_H1, beqi, branch_inst }, {"beqid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBE000000, OPCODE_MASK_H1, beqid, branch_inst }, {"bnei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBC200000, OPCODE_MASK_H1, bnei, branch_inst }, {"bneid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBE200000, OPCODE_MASK_H1, bneid, branch_inst }, {"blti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBC400000, OPCODE_MASK_H1, blti, branch_inst }, {"bltid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBE400000, OPCODE_MASK_H1, bltid, branch_inst }, {"blei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBC600000, OPCODE_MASK_H1, blei, branch_inst }, {"bleid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBE600000, OPCODE_MASK_H1, bleid, branch_inst }, {"bgti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBC800000, OPCODE_MASK_H1, bgti, branch_inst }, {"bgtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBE800000, OPCODE_MASK_H1, bgtid, branch_inst }, {"bgei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBCA00000, OPCODE_MASK_H1, bgei, branch_inst }, {"bgeid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBEA00000, OPCODE_MASK_H1, bgeid, branch_inst }, {"lbu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC0000000, OPCODE_MASK_H4, lbu, memory_load_inst }, {"lhu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC4000000, OPCODE_MASK_H4, lhu, memory_load_inst }, {"lw", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000000, OPCODE_MASK_H4, lw, memory_load_inst }, {"sb", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD0000000, OPCODE_MASK_H4, sb, memory_store_inst }, {"sh", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD4000000, OPCODE_MASK_H4, sh, memory_store_inst }, {"sw", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000000, OPCODE_MASK_H4, sw, memory_store_inst }, {"lbui", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE0000000, OPCODE_MASK_H, lbui, memory_load_inst }, {"lhui", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE4000000, OPCODE_MASK_H, lhui, memory_load_inst }, {"lwi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, lwi, memory_load_inst }, {"sbi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF0000000, OPCODE_MASK_H, sbi, memory_store_inst }, {"shi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF4000000, OPCODE_MASK_H, shi, memory_store_inst }, {"swi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF8000000, OPCODE_MASK_H, swi, memory_store_inst }, {"nop", INST_TYPE_NONE, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000000, OPCODE_MASK_H1234, invalid_inst, logical_inst }, /* translates to or r0, r0, r0 */ {"la", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* la translates to addik */ {"tuqula",INST_TYPE_RD, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3000002A, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* tuqula rd translates to addik rd, r0, 42 */ {"not", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA800FFFF, OPCODE_MASK_H34, invalid_inst, logical_inst }, /* not translates to xori rd,ra,-1 */ {"neg", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* neg translates to rsub rd, ra, r0 */ {"rtb", INST_TYPE_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6000004, OPCODE_MASK_H1, invalid_inst, return_inst }, /* rtb translates to rts rd, 4 */ {"sub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* sub translates to rsub rd, rb, ra */ {"lmi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, {"smi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF8000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, {"msrset",INST_TYPE_RD_IMM14, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x94100000, OPCODE_MASK_H23N, msrset, special_inst }, {"msrclr",INST_TYPE_RD_IMM14, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x94110000, OPCODE_MASK_H23N, msrclr, special_inst }, {"fadd", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000000, OPCODE_MASK_H4, fadd, arithmetic_inst }, {"frsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000080, OPCODE_MASK_H4, frsub, arithmetic_inst }, {"fmul", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000100, OPCODE_MASK_H4, fmul, arithmetic_inst }, {"fdiv", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000180, OPCODE_MASK_H4, fdiv, arithmetic_inst }, {"fcmp.lt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000210, OPCODE_MASK_H4, fcmp_lt, arithmetic_inst }, {"fcmp.eq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000220, OPCODE_MASK_H4, fcmp_eq, arithmetic_inst }, {"fcmp.le", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000230, OPCODE_MASK_H4, fcmp_le, arithmetic_inst }, {"fcmp.gt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000240, OPCODE_MASK_H4, fcmp_gt, arithmetic_inst }, {"fcmp.ne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000250, OPCODE_MASK_H4, fcmp_ne, arithmetic_inst }, {"fcmp.ge", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000260, OPCODE_MASK_H4, fcmp_ge, arithmetic_inst }, {"fcmp.un", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000200, OPCODE_MASK_H4, fcmp_un, arithmetic_inst }, {""} }; /* prefix for register names */ char register_prefix[] = "r"; char special_register_prefix[] = "spr"; char fsl_register_prefix[] = "rfsl"; /* #defines for valid immediate range */ #define MIN_IMM 0x80000000 #define MAX_IMM 0x7fffffff #define MIN_IMM12 0x000 #define MAX_IMM12 0x7ff #define MIN_IMM14 0x0000 #define MAX_IMM14 0x1fff #endif /* MICROBLAZE_OPC */ #include "dis-asm.h" #include <strings.h> #define get_field_rd(instr) get_field(instr, RD_MASK, RD_LOW) #define get_field_r1(instr) get_field(instr, RA_MASK, RA_LOW) #define get_field_r2(instr) get_field(instr, RB_MASK, RB_LOW) #define get_int_field_imm(instr) ((instr & IMM_MASK) >> IMM_LOW) #define get_int_field_r1(instr) ((instr & RA_MASK) >> RA_LOW) static char * get_field (long instr, long mask, unsigned short low) { char tmpstr[25]; sprintf(tmpstr, "%s%d", register_prefix, (int)((instr & mask) >> low)); return(strdup(tmpstr)); } static char * get_field_imm (long instr) { char tmpstr[25]; sprintf(tmpstr, "%d", (short)((instr & IMM_MASK) >> IMM_LOW)); return(strdup(tmpstr)); } static char * get_field_imm5 (long instr) { char tmpstr[25]; sprintf(tmpstr, "%d", (short)((instr & IMM5_MASK) >> IMM_LOW)); return(strdup(tmpstr)); } static char * get_field_imm12 (long instr) { char tmpstr[25]; sprintf(tmpstr, "%s%d", fsl_register_prefix, (short)((instr & IMM12_MASK) >> IMM_LOW)); return(strdup(tmpstr)); } static char * get_field_imm14 (long instr) { char tmpstr[25]; sprintf(tmpstr, "%d", (short)((instr & IMM14_MASK) >> IMM_LOW)); return(strdup(tmpstr)); } #if 0 static char * get_field_unsigned_imm (long instr) { char tmpstr[25]; sprintf(tmpstr, "%d", (int)((instr & IMM_MASK) >> IMM_LOW)); return(strdup(tmpstr)); } #endif /* char * get_field_special (instr) long instr; { char tmpstr[25]; sprintf(tmpstr, "%s%s", register_prefix, (((instr & IMM_MASK) >> IMM_LOW) & REG_MSR_MASK) == 0 ? "pc" : "msr"); return(strdup(tmpstr)); } */ static char * get_field_special (long instr, struct op_code_struct * op) { char tmpstr[25]; char spr[5]; switch ( (((instr & IMM_MASK) >> IMM_LOW) ^ op->immval_mask) ) { case REG_MSR_MASK : strcpy(spr, "msr"); break; case REG_PC_MASK : strcpy(spr, "pc"); break; case REG_EAR_MASK : strcpy(spr, "ear"); break; case REG_ESR_MASK : strcpy(spr, "esr"); break; case REG_FSR_MASK : strcpy(spr, "fsr"); break; default : strcpy(spr, "pc"); break; } sprintf(tmpstr, "%s%s", register_prefix, spr); return(strdup(tmpstr)); } static unsigned long read_insn_microblaze(bfd_vma memaddr, struct disassemble_info *info, struct op_code_struct ** opr) { unsigned char ibytes[4]; int status; struct op_code_struct * op; unsigned long inst; status = info->read_memory_func (memaddr, ibytes, 4, info); if (status != 0) { info->memory_error_func (status, memaddr, info); return 0; } if (info->endian == BFD_ENDIAN_BIG) inst = (ibytes[0] << 24) | (ibytes[1] << 16) | (ibytes[2] << 8) | ibytes[3]; else if (info->endian == BFD_ENDIAN_LITTLE) inst = (ibytes[3] << 24) | (ibytes[2] << 16) | (ibytes[1] << 8) | ibytes[0]; else abort (); /* Just a linear search of the table. */ for (op = opcodes; op->name != 0; op ++) if (op->bit_sequence == (inst & op->opcode_mask)) break; *opr = op; return inst; } int print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) { fprintf_ftype fprintf = info->fprintf_func; void * stream = info->stream; unsigned long inst, prev_inst; struct op_code_struct * op, *pop; int immval = 0; boolean immfound = false; static bfd_vma prev_insn_addr = -1; /*init the prev insn addr */ static int prev_insn_vma = -1; /*init the prev insn vma */ int curr_insn_vma = info->buffer_vma; info->bytes_per_chunk = 4; inst = read_insn_microblaze (memaddr, info, &op); if (inst == 0) return -1; if (prev_insn_vma == curr_insn_vma) { if (memaddr-(info->bytes_per_chunk) == prev_insn_addr) { prev_inst = read_insn_microblaze (prev_insn_addr, info, &pop); if (prev_inst == 0) return -1; if (pop->instr == imm) { immval = (get_int_field_imm(prev_inst) << 16) & 0xffff0000; immfound = true; } else { immval = 0; immfound = false; } } } /* make curr insn as prev insn */ prev_insn_addr = memaddr; prev_insn_vma = curr_insn_vma; if (op->name == 0) fprintf (stream, ".short 0x%04x", inst); else { fprintf (stream, "%s", op->name); switch (op->inst_type) { case INST_TYPE_RD_R1_R2: fprintf(stream, "\t%s, %s, %s", get_field_rd(inst), get_field_r1(inst), get_field_r2(inst)); break; case INST_TYPE_RD_R1_IMM: fprintf(stream, "\t%s, %s, %s", get_field_rd(inst), get_field_r1(inst), get_field_imm(inst)); if (info->print_address_func && get_int_field_r1(inst) == 0 && info->symbol_at_address_func) { if (immfound) immval |= (get_int_field_imm(inst) & 0x0000ffff); else { immval = get_int_field_imm(inst); if (immval & 0x8000) immval |= 0xFFFF0000; } if (immval > 0 && info->symbol_at_address_func(immval, info)) { fprintf (stream, "\t// "); info->print_address_func (immval, info); } } break; case INST_TYPE_RD_R1_IMM5: fprintf(stream, "\t%s, %s, %s", get_field_rd(inst), get_field_r1(inst), get_field_imm5(inst)); break; case INST_TYPE_RD_IMM12: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_imm12(inst)); break; case INST_TYPE_R1_IMM12: fprintf(stream, "\t%s, %s", get_field_r1(inst), get_field_imm12(inst)); break; case INST_TYPE_RD_SPECIAL: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_special(inst, op)); break; case INST_TYPE_SPECIAL_R1: fprintf(stream, "\t%s, %s", get_field_special(inst, op), get_field_r1(inst)); break; case INST_TYPE_RD_R1: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_r1(inst)); break; case INST_TYPE_R1_R2: fprintf(stream, "\t%s, %s", get_field_r1(inst), get_field_r2(inst)); break; case INST_TYPE_R1_IMM: fprintf(stream, "\t%s, %s", get_field_r1(inst), get_field_imm(inst)); /* The non-pc relative instructions are returns, which shouldn't have a label printed */ if (info->print_address_func && op->inst_offset_type == INST_PC_OFFSET && info->symbol_at_address_func) { if (immfound) immval |= (get_int_field_imm(inst) & 0x0000ffff); else { immval = get_int_field_imm(inst); if (immval & 0x8000) immval |= 0xFFFF0000; } immval += memaddr; if (immval > 0 && info->symbol_at_address_func(immval, info)) { fprintf (stream, "\t// "); info->print_address_func (immval, info); } else { fprintf (stream, "\t\t// "); fprintf (stream, "%x", immval); } } break; case INST_TYPE_RD_IMM: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_imm(inst)); if (info->print_address_func && info->symbol_at_address_func) { if (immfound) immval |= (get_int_field_imm(inst) & 0x0000ffff); else { immval = get_int_field_imm(inst); if (immval & 0x8000) immval |= 0xFFFF0000; } if (op->inst_offset_type == INST_PC_OFFSET) immval += (int) memaddr; if (info->symbol_at_address_func(immval, info)) { fprintf (stream, "\t// "); info->print_address_func (immval, info); } } break; case INST_TYPE_IMM: fprintf(stream, "\t%s", get_field_imm(inst)); if (info->print_address_func && info->symbol_at_address_func && op->instr != imm) { if (immfound) immval |= (get_int_field_imm(inst) & 0x0000ffff); else { immval = get_int_field_imm(inst); if (immval & 0x8000) immval |= 0xFFFF0000; } if (op->inst_offset_type == INST_PC_OFFSET) immval += (int) memaddr; if (immval > 0 && info->symbol_at_address_func(immval, info)) { fprintf (stream, "\t// "); info->print_address_func (immval, info); } else if (op->inst_offset_type == INST_PC_OFFSET) { fprintf (stream, "\t\t// "); fprintf (stream, "%x", immval); } } break; case INST_TYPE_RD_R2: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_r2(inst)); break; case INST_TYPE_R2: fprintf(stream, "\t%s", get_field_r2(inst)); break; case INST_TYPE_R1: fprintf(stream, "\t%s", get_field_r1(inst)); break; case INST_TYPE_RD_R1_SPECIAL: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_r2(inst)); break; case INST_TYPE_RD_IMM14: fprintf(stream, "\t%s, %s", get_field_rd(inst), get_field_imm14(inst)); break; /* For tuqula instruction */ case INST_TYPE_RD: fprintf(stream, "\t%s", get_field_rd(inst)); break; default: /* if the disassembler lags the instruction set */ fprintf (stream, "\tundecoded operands, inst is 0x%04x", inst); break; } } /* Say how many bytes we consumed? */ return 4; } #if 0 static enum microblaze_instr get_insn_microblaze (long inst, boolean *isunsignedimm, enum microblaze_instr_type *insn_type, short *delay_slots ) { struct op_code_struct * op; *isunsignedimm = false; /* Just a linear search of the table. */ for (op = opcodes; op->name != 0; op ++) if (op->bit_sequence == (inst & op->opcode_mask)) break; if (op->name == 0) return invalid_inst; else { *isunsignedimm = (op->inst_type == INST_TYPE_RD_R1_UNSIGNED_IMM); *insn_type = op->instr_type; *delay_slots = op->delay_slots; return op->instr; } } #endif #if 0 static short get_delay_slots_microblaze ( long inst ) { boolean isunsignedimm; enum microblaze_instr_type insn_type; enum microblaze_instr op; short delay_slots; op = get_insn_microblaze( inst, &isunsignedimm, &insn_type, &delay_slots); if (op == invalid_inst) return 0; else return delay_slots; } #endif #if 0 static enum microblaze_instr microblaze_decode_insn (long insn, int *rd, int *ra, int *rb, int *imm) { enum microblaze_instr op; boolean t1; enum microblaze_instr_type t2; short t3; op = get_insn_microblaze(insn, &t1, &t2, &t3); *rd = (insn & RD_MASK) >> RD_LOW; *ra = (insn & RA_MASK) >> RA_LOW; *rb = (insn & RB_MASK) >> RB_LOW; t3 = (insn & IMM_MASK) >> IMM_LOW; *imm = (int) t3; return (op); } #endif #if 0 static unsigned long microblaze_get_target_address (long inst, boolean immfound, int immval, long pcval, long r1val, long r2val, boolean *targetvalid, boolean *unconditionalbranch) { struct op_code_struct * op; long targetaddr = 0; *unconditionalbranch = false; /* Just a linear search of the table. */ for (op = opcodes; op->name != 0; op ++) if (op->bit_sequence == (inst & op->opcode_mask)) break; if (op->name == 0) { *targetvalid = false; } else if (op->instr_type == branch_inst) { switch (op->inst_type) { case INST_TYPE_R2: *unconditionalbranch = true; /* fallthru */ case INST_TYPE_RD_R2: case INST_TYPE_R1_R2: targetaddr = r2val; *targetvalid = true; if (op->inst_offset_type == INST_PC_OFFSET) targetaddr += pcval; break; case INST_TYPE_IMM: *unconditionalbranch = true; /* fallthru */ case INST_TYPE_RD_IMM: case INST_TYPE_R1_IMM: if (immfound) { targetaddr = (immval << 16) & 0xffff0000; targetaddr |= (get_int_field_imm(inst) & 0x0000ffff); } else { targetaddr = get_int_field_imm(inst); if (targetaddr & 0x8000) targetaddr |= 0xFFFF0000; } if (op->inst_offset_type == INST_PC_OFFSET) targetaddr += pcval; *targetvalid = true; break; default: *targetvalid = false; break; } } else if (op->instr_type == return_inst) { if (immfound) { targetaddr = (immval << 16) & 0xffff0000; targetaddr |= (get_int_field_imm(inst) & 0x0000ffff); } else { targetaddr = get_int_field_imm(inst); if (targetaddr & 0x8000) targetaddr |= 0xFFFF0000; } targetaddr += r1val; *targetvalid = true; } else { *targetvalid = false; } return targetaddr; } #endif