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      1 /* moxie-opc.c -- Definitions for moxie opcodes.
      2    Copyright (C) 2009-2014 Free Software Foundation, Inc.
      3    Contributed by Anthony Green (green (at) moxielogic.com).
      4 
      5    This file is part of the GNU opcodes library.
      6 
      7    This library is free software; you can redistribute it and/or modify
      8    it under the terms of the GNU General Public License as published by
      9    the Free Software Foundation; either version 3, or (at your option)
     10    any later version.
     11 
     12    It is distributed in the hope that it will be useful, but WITHOUT
     13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
     15    License for more details.
     16 
     17    You should have received a copy of the GNU General Public License
     18    along with this file; see the file COPYING.  If not, write to the
     19    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
     20    MA 02110-1301, USA.  */
     21 
     22 #include "sysdep.h"
     23 #include "opcode/moxie.h"
     24 
     25 /* The moxie processor's 16-bit instructions come in two forms:
     26 
     27   FORM 1 instructions start with a 0 bit...
     28 
     29     0oooooooaaaabbbb
     30     0              F
     31 
     32    ooooooo - form 1 opcode number
     33    aaaa    - operand A
     34    bbbb    - operand B
     35 
     36   FORM 2 instructions start with bits "10"...
     37 
     38     10ooaaaavvvvvvvv
     39     0              F
     40 
     41    oo       - form 2 opcode number
     42    aaaa     - operand A
     43    vvvvvvvv - 8-bit immediate value
     44 
     45   FORM 3 instructions start with a bits "11"...
     46 
     47     11oooovvvvvvvvvv
     48     0              F
     49 
     50    oooo         - form 3 opcode number
     51    vvvvvvvvvv   - 10-bit immediate value.  */
     52 
     53 const moxie_opc_info_t moxie_form1_opc_info[128] =
     54   {
     55     { 0x00, MOXIE_BAD,     "bad" },  // Reserved as bad.
     56     { 0x01, MOXIE_F1_A4,   "ldi.l" },
     57     { 0x02, MOXIE_F1_AB,   "mov" },
     58     { 0x03, MOXIE_F1_M,    "jsra" },
     59     { 0x04, MOXIE_F1_NARG, "ret" },
     60     { 0x05, MOXIE_F1_AB,   "add.l" },
     61     { 0x06, MOXIE_F1_AB,   "push" },
     62     { 0x07, MOXIE_F1_AB,   "pop" },
     63     { 0x08, MOXIE_F1_A4,   "lda.l" },
     64     { 0x09, MOXIE_F1_4A,   "sta.l" },
     65     { 0x0a, MOXIE_F1_ABi,  "ld.l" },
     66     { 0x0b, MOXIE_F1_AiB,  "st.l" },
     67     { 0x0c, MOXIE_F1_ABi4, "ldo.l" },
     68     { 0x0d, MOXIE_F1_AiB4, "sto.l" },
     69     { 0x0e, MOXIE_F1_AB,   "cmp" },
     70     { 0x0f, MOXIE_F1_NARG, "nop" },
     71     { 0x10, MOXIE_F1_AB,   "sex.b" },
     72     { 0x11, MOXIE_F1_AB,   "sex.s" },
     73     { 0x12, MOXIE_BAD,     "bad" },
     74     { 0x13, MOXIE_BAD,     "bad" },
     75     { 0x14, MOXIE_BAD,     "bad" },
     76     { 0x15, MOXIE_BAD,     "bad" },
     77     { 0x16, MOXIE_BAD,     "bad" },
     78     { 0x17, MOXIE_BAD,     "bad" },
     79     { 0x18, MOXIE_BAD,     "bad" },
     80     { 0x19, MOXIE_F1_A,    "jsr" },
     81     { 0x1a, MOXIE_F1_M,    "jmpa" },
     82     { 0x1b, MOXIE_F1_A4,   "ldi.b" },
     83     { 0x1c, MOXIE_F1_ABi,  "ld.b" },
     84     { 0x1d, MOXIE_F1_A4,   "lda.b" },
     85     { 0x1e, MOXIE_F1_AiB,  "st.b" },
     86     { 0x1f, MOXIE_F1_4A,   "sta.b" },
     87     { 0x20, MOXIE_F1_A4,   "ldi.s" },
     88     { 0x21, MOXIE_F1_ABi,  "ld.s" },
     89     { 0x22, MOXIE_F1_A4,   "lda.s" },
     90     { 0x23, MOXIE_F1_AiB,  "st.s" },
     91     { 0x24, MOXIE_F1_4A,   "sta.s" },
     92     { 0x25, MOXIE_F1_A,    "jmp" },
     93     { 0x26, MOXIE_F1_AB,   "and" },
     94     { 0x27, MOXIE_F1_AB,   "lshr" },
     95     { 0x28, MOXIE_F1_AB,   "ashl" },
     96     { 0x29, MOXIE_F1_AB,   "sub.l" },
     97     { 0x2a, MOXIE_F1_AB,   "neg" },
     98     { 0x2b, MOXIE_F1_AB,   "or" },
     99     { 0x2c, MOXIE_F1_AB,   "not" },
    100     { 0x2d, MOXIE_F1_AB,   "ashr" },
    101     { 0x2e, MOXIE_F1_AB,   "xor" },
    102     { 0x2f, MOXIE_F1_AB,   "mul.l" },
    103     { 0x30, MOXIE_F1_4,    "swi" },
    104     { 0x31, MOXIE_F1_AB,   "div.l" },
    105     { 0x32, MOXIE_F1_AB,   "udiv.l" },
    106     { 0x33, MOXIE_F1_AB,   "mod.l" },
    107     { 0x34, MOXIE_F1_AB,   "umod.l" },
    108     { 0x35, MOXIE_F1_NARG, "brk" },
    109     { 0x36, MOXIE_F1_ABi4, "ldo.b" },
    110     { 0x37, MOXIE_F1_AiB4, "sto.b" },
    111     { 0x38, MOXIE_F1_ABi4, "ldo.s" },
    112     { 0x39, MOXIE_F1_AiB4, "sto.s" },
    113     { 0x3a, MOXIE_BAD,     "bad" },
    114     { 0x3b, MOXIE_BAD,     "bad" },
    115     { 0x3c, MOXIE_BAD,     "bad" },
    116     { 0x3d, MOXIE_BAD,     "bad" },
    117     { 0x3e, MOXIE_BAD,     "bad" },
    118     { 0x3f, MOXIE_BAD,     "bad" },
    119     { 0x40, MOXIE_BAD,     "bad" },
    120     { 0x41, MOXIE_BAD,     "bad" },
    121     { 0x42, MOXIE_BAD,     "bad" },
    122     { 0x43, MOXIE_BAD,     "bad" },
    123     { 0x44, MOXIE_BAD,     "bad" },
    124     { 0x45, MOXIE_BAD,     "bad" },
    125     { 0x46, MOXIE_BAD,     "bad" },
    126     { 0x47, MOXIE_BAD,     "bad" },
    127     { 0x48, MOXIE_BAD,     "bad" },
    128     { 0x49, MOXIE_BAD,     "bad" },
    129     { 0x4a, MOXIE_BAD,     "bad" },
    130     { 0x4b, MOXIE_BAD,     "bad" },
    131     { 0x4c, MOXIE_BAD,     "bad" },
    132     { 0x4d, MOXIE_BAD,     "bad" },
    133     { 0x4e, MOXIE_BAD,     "bad" },
    134     { 0x4f, MOXIE_BAD,     "bad" },
    135     { 0x50, MOXIE_BAD,     "bad" },
    136     { 0x51, MOXIE_BAD,     "bad" },
    137     { 0x52, MOXIE_BAD,     "bad" },
    138     { 0x53, MOXIE_BAD,     "bad" },
    139     { 0x54, MOXIE_BAD,     "bad" },
    140     { 0x55, MOXIE_BAD,     "bad" },
    141     { 0x56, MOXIE_BAD,     "bad" },
    142     { 0x57, MOXIE_BAD,     "bad" },
    143     { 0x58, MOXIE_BAD,     "bad" },
    144     { 0x59, MOXIE_BAD,     "bad" },
    145     { 0x5a, MOXIE_BAD,     "bad" },
    146     { 0x5b, MOXIE_BAD,     "bad" },
    147     { 0x5c, MOXIE_BAD,     "bad" },
    148     { 0x5d, MOXIE_BAD,     "bad" },
    149     { 0x5e, MOXIE_BAD,     "bad" },
    150     { 0x5f, MOXIE_BAD,     "bad" },
    151     { 0x60, MOXIE_BAD,     "bad" },
    152     { 0x61, MOXIE_BAD,     "bad" },
    153     { 0x62, MOXIE_BAD,     "bad" },
    154     { 0x63, MOXIE_BAD,     "bad" },
    155     { 0x64, MOXIE_BAD,     "bad" },
    156     { 0x65, MOXIE_BAD,     "bad" },
    157     { 0x66, MOXIE_BAD,     "bad" },
    158     { 0x67, MOXIE_BAD,     "bad" },
    159     { 0x68, MOXIE_BAD,     "bad" },
    160     { 0x69, MOXIE_BAD,     "bad" },
    161     { 0x6a, MOXIE_BAD,     "bad" },
    162     { 0x6b, MOXIE_BAD,     "bad" },
    163     { 0x6c, MOXIE_BAD,     "bad" },
    164     { 0x6d, MOXIE_BAD,     "bad" },
    165     { 0x6e, MOXIE_BAD,     "bad" },
    166     { 0x6f, MOXIE_BAD,     "bad" },
    167     { 0x70, MOXIE_BAD,     "bad" },
    168     { 0x71, MOXIE_BAD,     "bad" },
    169     { 0x72, MOXIE_BAD,     "bad" },
    170     { 0x73, MOXIE_BAD,     "bad" },
    171     { 0x74, MOXIE_BAD,     "bad" },
    172     { 0x75, MOXIE_BAD,     "bad" },
    173     { 0x76, MOXIE_BAD,     "bad" },
    174     { 0x77, MOXIE_BAD,     "bad" },
    175     { 0x78, MOXIE_BAD,     "bad" },
    176     { 0x79, MOXIE_BAD,     "bad" },
    177     { 0x7a, MOXIE_BAD,     "bad" },
    178     { 0x7b, MOXIE_BAD,     "bad" },
    179     { 0x7c, MOXIE_BAD,     "bad" },
    180     { 0x7d, MOXIE_BAD,     "bad" },
    181     { 0x7e, MOXIE_BAD,     "bad" },
    182     { 0x7f, MOXIE_BAD,     "bad" }
    183   };
    184 
    185 const moxie_opc_info_t moxie_form2_opc_info[4] =
    186   {
    187     { 0x00, MOXIE_F2_A8V,  "inc" },
    188     { 0x01, MOXIE_F2_A8V,  "dec" },
    189     { 0x02, MOXIE_F2_A8V,  "gsr" },
    190     { 0x03, MOXIE_F2_A8V,  "ssr" }
    191   };
    192 
    193 const moxie_opc_info_t moxie_form3_opc_info[16] =
    194   {
    195     { 0x00, MOXIE_F3_PCREL,"beq" },
    196     { 0x01, MOXIE_F3_PCREL,"bne" },
    197     { 0x02, MOXIE_F3_PCREL,"blt" },
    198     { 0x03, MOXIE_F3_PCREL,"bgt" },
    199     { 0x04, MOXIE_F3_PCREL,"bltu" },
    200     { 0x05, MOXIE_F3_PCREL,"bgtu" },
    201     { 0x06, MOXIE_F3_PCREL,"bge" },
    202     { 0x07, MOXIE_F3_PCREL,"ble" },
    203     { 0x08, MOXIE_F3_PCREL,"bgeu" },
    204     { 0x09, MOXIE_F3_PCREL,"bleu" },
    205     { 0x0a, MOXIE_BAD,     "bad" },
    206     { 0x0b, MOXIE_BAD,     "bad" },
    207     { 0x0c, MOXIE_BAD,     "bad" },
    208     { 0x0d, MOXIE_BAD,     "bad" },
    209     { 0x0e, MOXIE_BAD,     "bad" },
    210     { 0x0f, MOXIE_BAD,     "bad" }  // Reserved as bad.
    211   };
    212