| 1 | /* |
| 2 | * OpenRISC disassembler |
| 3 | * |
| 4 | * Copyright (c) 2018 Richard Henderson <rth@twiddle.net> |
| 5 | * |
| 6 | * This program is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation, either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #include "qemu/osdep.h" |
| 21 | #include "disas/dis-asm.h" |
| 22 | #include "qemu/bitops.h" |
| 23 | #include "cpu.h" |
| 24 | |
| 25 | typedef disassemble_info DisasContext; |
| 26 | |
| 27 | /* Include the auto-generated decoder. */ |
| 28 | #include "decode-insns.c.inc" |
| 29 | |
| 30 | #define output(mnemonic, format, ...) \ |
| 31 | (info->fprintf_func(info->stream, "%-9s " format, \ |
| 32 | mnemonic, ##__VA_ARGS__)) |
| 33 | |
| 34 | int print_insn_or1k(bfd_vma addr, disassemble_info *info) |
| 35 | { |
| 36 | bfd_byte buffer[4]; |
| 37 | uint32_t insn; |
| 38 | int status; |
| 39 | |
| 40 | status = info->read_memory_func(addr, buffer, 4, info); |
| 41 | if (status != 0) { |
| 42 | info->memory_error_func(status, addr, info); |
| 43 | return -1; |
| 44 | } |
| 45 | insn = bfd_getb32(buffer); |
| 46 | |
| 47 | if (!decode(info, insn)) { |
| 48 | output(".long", "%#08x", insn); |
| 49 | } |
| 50 | return 4; |
| 51 | } |
| 52 | |
| 53 | #define INSN(opcode, format, ...) \ |
| 54 | static bool trans_l_##opcode(disassemble_info *info, arg_l_##opcode *a) \ |
| 55 | { \ |
| 56 | output("l." #opcode, format, ##__VA_ARGS__); \ |
| 57 | return true; \ |
| 58 | } |
| 59 | |
| 60 | INSN(add, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 61 | INSN(addc, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 62 | INSN(sub, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 63 | INSN(and, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 64 | INSN(or, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 65 | INSN(xor, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 66 | INSN(sll, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 67 | INSN(srl, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 68 | INSN(sra, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 69 | INSN(ror, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 70 | INSN(exths, "r%d, r%d", a->d, a->a) |
| 71 | INSN(extbs, "r%d, r%d", a->d, a->a) |
| 72 | INSN(exthz, "r%d, r%d", a->d, a->a) |
| 73 | INSN(extbz, "r%d, r%d", a->d, a->a) |
| 74 | INSN(cmov, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 75 | INSN(ff1, "r%d, r%d", a->d, a->a) |
| 76 | INSN(fl1, "r%d, r%d", a->d, a->a) |
| 77 | INSN(mul, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 78 | INSN(mulu, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 79 | INSN(div, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 80 | INSN(divu, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 81 | INSN(muld, "r%d, r%d", a->a, a->b) |
| 82 | INSN(muldu, "r%d, r%d", a->a, a->b) |
| 83 | INSN(j, "%d", a->n) |
| 84 | INSN(jal, "%d", a->n) |
| 85 | INSN(bf, "%d", a->n) |
| 86 | INSN(bnf, "%d", a->n) |
| 87 | INSN(jr, "r%d", a->b) |
| 88 | INSN(jalr, "r%d", a->b) |
| 89 | INSN(lwa, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 90 | INSN(lwz, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 91 | INSN(lws, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 92 | INSN(lbz, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 93 | INSN(lbs, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 94 | INSN(lhz, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 95 | INSN(lhs, "r%d, %d(r%d)", a->d, a->i, a->a) |
| 96 | INSN(swa, "%d(r%d), r%d", a->i, a->a, a->b) |
| 97 | INSN(sw, "%d(r%d), r%d", a->i, a->a, a->b) |
| 98 | INSN(sb, "%d(r%d), r%d", a->i, a->a, a->b) |
| 99 | INSN(sh, "%d(r%d), r%d", a->i, a->a, a->b) |
| 100 | INSN(nop, "") |
| 101 | INSN(adrp, "r%d, %d", a->d, a->i) |
| 102 | INSN(addi, "r%d, r%d, %d", a->d, a->a, a->i) |
| 103 | INSN(addic, "r%d, r%d, %d", a->d, a->a, a->i) |
| 104 | INSN(muli, "r%d, r%d, %d", a->d, a->a, a->i) |
| 105 | INSN(maci, "r%d, %d", a->a, a->i) |
| 106 | INSN(andi, "r%d, r%d, %d", a->d, a->a, a->k) |
| 107 | INSN(ori, "r%d, r%d, %d", a->d, a->a, a->k) |
| 108 | INSN(xori, "r%d, r%d, %d", a->d, a->a, a->i) |
| 109 | INSN(mfspr, "r%d, r%d, %d", a->d, a->a, a->k) |
| 110 | INSN(mtspr, "r%d, r%d, %d", a->a, a->b, a->k) |
| 111 | INSN(mac, "r%d, r%d", a->a, a->b) |
| 112 | INSN(msb, "r%d, r%d", a->a, a->b) |
| 113 | INSN(macu, "r%d, r%d", a->a, a->b) |
| 114 | INSN(msbu, "r%d, r%d", a->a, a->b) |
| 115 | INSN(slli, "r%d, r%d, %d", a->d, a->a, a->l) |
| 116 | INSN(srli, "r%d, r%d, %d", a->d, a->a, a->l) |
| 117 | INSN(srai, "r%d, r%d, %d", a->d, a->a, a->l) |
| 118 | INSN(rori, "r%d, r%d, %d", a->d, a->a, a->l) |
| 119 | INSN(movhi, "r%d, %d", a->d, a->k) |
| 120 | INSN(macrc, "r%d", a->d) |
| 121 | INSN(sfeq, "r%d, r%d", a->a, a->b) |
| 122 | INSN(sfne, "r%d, r%d", a->a, a->b) |
| 123 | INSN(sfgtu, "r%d, r%d", a->a, a->b) |
| 124 | INSN(sfgeu, "r%d, r%d", a->a, a->b) |
| 125 | INSN(sfltu, "r%d, r%d", a->a, a->b) |
| 126 | INSN(sfleu, "r%d, r%d", a->a, a->b) |
| 127 | INSN(sfgts, "r%d, r%d", a->a, a->b) |
| 128 | INSN(sfges, "r%d, r%d", a->a, a->b) |
| 129 | INSN(sflts, "r%d, r%d", a->a, a->b) |
| 130 | INSN(sfles, "r%d, r%d", a->a, a->b) |
| 131 | INSN(sfeqi, "r%d, %d", a->a, a->i) |
| 132 | INSN(sfnei, "r%d, %d", a->a, a->i) |
| 133 | INSN(sfgtui, "r%d, %d", a->a, a->i) |
| 134 | INSN(sfgeui, "r%d, %d", a->a, a->i) |
| 135 | INSN(sfltui, "r%d, %d", a->a, a->i) |
| 136 | INSN(sfleui, "r%d, %d", a->a, a->i) |
| 137 | INSN(sfgtsi, "r%d, %d", a->a, a->i) |
| 138 | INSN(sfgesi, "r%d, %d", a->a, a->i) |
| 139 | INSN(sfltsi, "r%d, %d", a->a, a->i) |
| 140 | INSN(sflesi, "r%d, %d", a->a, a->i) |
| 141 | INSN(sys, "%d", a->k) |
| 142 | INSN(trap, "%d", a->k) |
| 143 | INSN(msync, "") |
| 144 | INSN(psync, "") |
| 145 | INSN(csync, "") |
| 146 | INSN(rfe, "") |
| 147 | |
| 148 | #define FP_INSN(opcode, suffix, format, ...) \ |
| 149 | static bool trans_lf_##opcode##_##suffix(disassemble_info *info, \ |
| 150 | arg_lf_##opcode##_##suffix *a) \ |
| 151 | { \ |
| 152 | output("lf." #opcode "." #suffix, format, ##__VA_ARGS__); \ |
| 153 | return true; \ |
| 154 | } |
| 155 | |
| 156 | FP_INSN(add, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 157 | FP_INSN(sub, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 158 | FP_INSN(mul, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 159 | FP_INSN(div, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 160 | FP_INSN(rem, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 161 | FP_INSN(itof, s, "r%d, r%d", a->d, a->a) |
| 162 | FP_INSN(ftoi, s, "r%d, r%d", a->d, a->a) |
| 163 | FP_INSN(madd, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| 164 | FP_INSN(sfeq, s, "r%d, r%d", a->a, a->b) |
| 165 | FP_INSN(sfne, s, "r%d, r%d", a->a, a->b) |
| 166 | FP_INSN(sfgt, s, "r%d, r%d", a->a, a->b) |
| 167 | FP_INSN(sfge, s, "r%d, r%d", a->a, a->b) |
| 168 | FP_INSN(sflt, s, "r%d, r%d", a->a, a->b) |
| 169 | FP_INSN(sfle, s, "r%d, r%d", a->a, a->b) |
| 170 | FP_INSN(sfun, s, "r%d, r%d", a->a, a->b) |
| 171 | FP_INSN(sfueq, s, "r%d, r%d", a->a, a->b) |
| 172 | FP_INSN(sfuge, s, "r%d, r%d", a->a, a->b) |
| 173 | FP_INSN(sfugt, s, "r%d, r%d", a->a, a->b) |
| 174 | FP_INSN(sfule, s, "r%d, r%d", a->a, a->b) |
| 175 | FP_INSN(sfult, s, "r%d, r%d", a->a, a->b) |
| 176 | |
| 177 | FP_INSN(add, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| 178 | a->d, a->d + a->dp + 1, |
| 179 | a->a, a->a + a->ap + 1, |
| 180 | a->b, a->b + a->bp + 1) |
| 181 | FP_INSN(sub, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| 182 | a->d, a->d + a->dp + 1, |
| 183 | a->a, a->a + a->ap + 1, |
| 184 | a->b, a->b + a->bp + 1) |
| 185 | FP_INSN(mul, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| 186 | a->d, a->d + a->dp + 1, |
| 187 | a->a, a->a + a->ap + 1, |
| 188 | a->b, a->b + a->bp + 1) |
| 189 | FP_INSN(div, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| 190 | a->d, a->d + a->dp + 1, |
| 191 | a->a, a->a + a->ap + 1, |
| 192 | a->b, a->b + a->bp + 1) |
| 193 | FP_INSN(rem, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| 194 | a->d, a->d + a->dp + 1, |
| 195 | a->a, a->a + a->ap + 1, |
| 196 | a->b, a->b + a->bp + 1) |
| 197 | FP_INSN(madd, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| 198 | a->d, a->d + a->dp + 1, |
| 199 | a->a, a->a + a->ap + 1, |
| 200 | a->b, a->b + a->bp + 1) |
| 201 | |
| 202 | FP_INSN(itof, d, "r%d,r%d, r%d,r%d", |
| 203 | a->d, a->d + a->dp + 1, |
| 204 | a->a, a->a + a->ap + 1) |
| 205 | FP_INSN(ftoi, d, "r%d,r%d, r%d,r%d", |
| 206 | a->d, a->d + a->dp + 1, |
| 207 | a->a, a->a + a->ap + 1) |
| 208 | |
| 209 | FP_INSN(stod, d, "r%d,r%d, r%d", |
| 210 | a->d, a->d + a->dp + 1, a->a) |
| 211 | FP_INSN(dtos, d, "r%d r%d,r%d", |
| 212 | a->d, a->a, a->a + a->ap + 1) |
| 213 | |
| 214 | FP_INSN(sfeq, d, "r%d,r%d, r%d,r%d", |
| 215 | a->a, a->a + a->ap + 1, |
| 216 | a->b, a->b + a->bp + 1) |
| 217 | FP_INSN(sfne, d, "r%d,r%d, r%d,r%d", |
| 218 | a->a, a->a + a->ap + 1, |
| 219 | a->b, a->b + a->bp + 1) |
| 220 | FP_INSN(sfgt, d, "r%d,r%d, r%d,r%d", |
| 221 | a->a, a->a + a->ap + 1, |
| 222 | a->b, a->b + a->bp + 1) |
| 223 | FP_INSN(sfge, d, "r%d,r%d, r%d,r%d", |
| 224 | a->a, a->a + a->ap + 1, |
| 225 | a->b, a->b + a->bp + 1) |
| 226 | FP_INSN(sflt, d, "r%d,r%d, r%d,r%d", |
| 227 | a->a, a->a + a->ap + 1, |
| 228 | a->b, a->b + a->bp + 1) |
| 229 | FP_INSN(sfle, d, "r%d,r%d, r%d,r%d", |
| 230 | a->a, a->a + a->ap + 1, |
| 231 | a->b, a->b + a->bp + 1) |
| 232 | FP_INSN(sfun, d, "r%d,r%d, r%d,r%d", |
| 233 | a->a, a->a + a->ap + 1, |
| 234 | a->b, a->b + a->bp + 1) |
| 235 | FP_INSN(sfueq, d, "r%d,r%d, r%d,r%d", |
| 236 | a->a, a->a + a->ap + 1, |
| 237 | a->b, a->b + a->bp + 1) |
| 238 | FP_INSN(sfuge, d, "r%d,r%d, r%d,r%d", |
| 239 | a->a, a->a + a->ap + 1, |
| 240 | a->b, a->b + a->bp + 1) |
| 241 | FP_INSN(sfugt, d, "r%d,r%d, r%d,r%d", |
| 242 | a->a, a->a + a->ap + 1, |
| 243 | a->b, a->b + a->bp + 1) |
| 244 | FP_INSN(sfule, d, "r%d,r%d, r%d,r%d", |
| 245 | a->a, a->a + a->ap + 1, |
| 246 | a->b, a->b + a->bp + 1) |
| 247 | FP_INSN(sfult, d, "r%d,r%d, r%d,r%d", |
| 248 | a->a, a->a + a->ap + 1, |
| 249 | a->b, a->b + a->bp + 1) |