| /* |
| * OpenRISC disassembler |
| * |
| * Copyright (c) 2018 Richard Henderson <rth@twiddle.net> |
| * |
| * 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/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "disas/dis-asm.h" |
| #include "qemu/bitops.h" |
| #include "cpu.h" |
| |
| typedef disassemble_info DisasContext; |
| |
| /* Include the auto-generated decoder. */ |
| #include "decode.inc.c" |
| |
| #define output(mnemonic, format, ...) \ |
| (info->fprintf_func(info->stream, "%-9s " format, \ |
| mnemonic, ##__VA_ARGS__)) |
| |
| int print_insn_or1k(bfd_vma addr, disassemble_info *info) |
| { |
| bfd_byte buffer[4]; |
| uint32_t insn; |
| int status; |
| |
| status = info->read_memory_func(addr, buffer, 4, info); |
| if (status != 0) { |
| info->memory_error_func(status, addr, info); |
| return -1; |
| } |
| insn = bfd_getb32(buffer); |
| |
| if (!decode(info, insn)) { |
| output(".long", "%#08x", insn); |
| } |
| return 4; |
| } |
| |
| #define INSN(opcode, format, ...) \ |
| static bool trans_l_##opcode(disassemble_info *info, arg_l_##opcode *a) \ |
| { \ |
| output("l." #opcode, format, ##__VA_ARGS__); \ |
| return true; \ |
| } |
| |
| INSN(add, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(addc, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(sub, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(and, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(or, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(xor, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(sll, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(srl, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(sra, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(ror, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(exths, "r%d, r%d", a->d, a->a) |
| INSN(extbs, "r%d, r%d", a->d, a->a) |
| INSN(exthz, "r%d, r%d", a->d, a->a) |
| INSN(extbz, "r%d, r%d", a->d, a->a) |
| INSN(cmov, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(ff1, "r%d, r%d", a->d, a->a) |
| INSN(fl1, "r%d, r%d", a->d, a->a) |
| INSN(mul, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(mulu, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(div, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(divu, "r%d, r%d, r%d", a->d, a->a, a->b) |
| INSN(muld, "r%d, r%d", a->a, a->b) |
| INSN(muldu, "r%d, r%d", a->a, a->b) |
| INSN(j, "%d", a->n) |
| INSN(jal, "%d", a->n) |
| INSN(bf, "%d", a->n) |
| INSN(bnf, "%d", a->n) |
| INSN(jr, "r%d", a->b) |
| INSN(jalr, "r%d", a->b) |
| INSN(lwa, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(lwz, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(lws, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(lbz, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(lbs, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(lhz, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(lhs, "r%d, %d(r%d)", a->d, a->i, a->a) |
| INSN(swa, "%d(r%d), r%d", a->i, a->a, a->b) |
| INSN(sw, "%d(r%d), r%d", a->i, a->a, a->b) |
| INSN(sb, "%d(r%d), r%d", a->i, a->a, a->b) |
| INSN(sh, "%d(r%d), r%d", a->i, a->a, a->b) |
| INSN(nop, "") |
| INSN(addi, "r%d, r%d, %d", a->d, a->a, a->i) |
| INSN(addic, "r%d, r%d, %d", a->d, a->a, a->i) |
| INSN(muli, "r%d, r%d, %d", a->d, a->a, a->i) |
| INSN(maci, "r%d, %d", a->a, a->i) |
| INSN(andi, "r%d, r%d, %d", a->d, a->a, a->k) |
| INSN(ori, "r%d, r%d, %d", a->d, a->a, a->k) |
| INSN(xori, "r%d, r%d, %d", a->d, a->a, a->i) |
| INSN(mfspr, "r%d, r%d, %d", a->d, a->a, a->k) |
| INSN(mtspr, "r%d, r%d, %d", a->a, a->b, a->k) |
| INSN(mac, "r%d, r%d", a->a, a->b) |
| INSN(msb, "r%d, r%d", a->a, a->b) |
| INSN(macu, "r%d, r%d", a->a, a->b) |
| INSN(msbu, "r%d, r%d", a->a, a->b) |
| INSN(slli, "r%d, r%d, %d", a->d, a->a, a->l) |
| INSN(srli, "r%d, r%d, %d", a->d, a->a, a->l) |
| INSN(srai, "r%d, r%d, %d", a->d, a->a, a->l) |
| INSN(rori, "r%d, r%d, %d", a->d, a->a, a->l) |
| INSN(movhi, "r%d, %d", a->d, a->k) |
| INSN(macrc, "r%d", a->d) |
| INSN(sfeq, "r%d, r%d", a->a, a->b) |
| INSN(sfne, "r%d, r%d", a->a, a->b) |
| INSN(sfgtu, "r%d, r%d", a->a, a->b) |
| INSN(sfgeu, "r%d, r%d", a->a, a->b) |
| INSN(sfltu, "r%d, r%d", a->a, a->b) |
| INSN(sfleu, "r%d, r%d", a->a, a->b) |
| INSN(sfgts, "r%d, r%d", a->a, a->b) |
| INSN(sfges, "r%d, r%d", a->a, a->b) |
| INSN(sflts, "r%d, r%d", a->a, a->b) |
| INSN(sfles, "r%d, r%d", a->a, a->b) |
| INSN(sfeqi, "r%d, %d", a->a, a->i) |
| INSN(sfnei, "r%d, %d", a->a, a->i) |
| INSN(sfgtui, "r%d, %d", a->a, a->i) |
| INSN(sfgeui, "r%d, %d", a->a, a->i) |
| INSN(sfltui, "r%d, %d", a->a, a->i) |
| INSN(sfleui, "r%d, %d", a->a, a->i) |
| INSN(sfgtsi, "r%d, %d", a->a, a->i) |
| INSN(sfgesi, "r%d, %d", a->a, a->i) |
| INSN(sfltsi, "r%d, %d", a->a, a->i) |
| INSN(sflesi, "r%d, %d", a->a, a->i) |
| INSN(sys, "%d", a->k) |
| INSN(trap, "%d", a->k) |
| INSN(msync, "") |
| INSN(psync, "") |
| INSN(csync, "") |
| INSN(rfe, "") |
| |
| #define FP_INSN(opcode, suffix, format, ...) \ |
| static bool trans_lf_##opcode##_##suffix(disassemble_info *info, \ |
| arg_lf_##opcode##_##suffix *a) \ |
| { \ |
| output("lf." #opcode "." #suffix, format, ##__VA_ARGS__); \ |
| return true; \ |
| } |
| |
| FP_INSN(add, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| FP_INSN(sub, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| FP_INSN(mul, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| FP_INSN(div, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| FP_INSN(rem, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| FP_INSN(itof, s, "r%d, r%d", a->d, a->a) |
| FP_INSN(ftoi, s, "r%d, r%d", a->d, a->a) |
| FP_INSN(madd, s, "r%d, r%d, r%d", a->d, a->a, a->b) |
| FP_INSN(sfeq, s, "r%d, r%d", a->a, a->b) |
| FP_INSN(sfne, s, "r%d, r%d", a->a, a->b) |
| FP_INSN(sfgt, s, "r%d, r%d", a->a, a->b) |
| FP_INSN(sfge, s, "r%d, r%d", a->a, a->b) |
| FP_INSN(sflt, s, "r%d, r%d", a->a, a->b) |
| FP_INSN(sfle, s, "r%d, r%d", a->a, a->b) |
| |
| FP_INSN(add, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(sub, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(mul, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(div, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(rem, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(madd, d, "r%d,r%d, r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| |
| FP_INSN(itof, d, "r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1) |
| FP_INSN(ftoi, d, "r%d,r%d, r%d,r%d", |
| a->d, a->d + a->dp + 1, |
| a->a, a->a + a->ap + 1) |
| |
| FP_INSN(stod, d, "r%d,r%d, r%d", |
| a->d, a->d + a->dp + 1, a->a) |
| FP_INSN(dtos, d, "r%d r%d,r%d", |
| a->d, a->a, a->a + a->ap + 1) |
| |
| FP_INSN(sfeq, d, "r%d,r%d, r%d,r%d", |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(sfne, d, "r%d,r%d, r%d,r%d", |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(sfgt, d, "r%d,r%d, r%d,r%d", |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(sfge, d, "r%d,r%d, r%d,r%d", |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(sflt, d, "r%d,r%d, r%d,r%d", |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
| FP_INSN(sfle, d, "r%d,r%d, r%d,r%d", |
| a->a, a->a + a->ap + 1, |
| a->b, a->b + a->bp + 1) |
