250 lines
8.8 KiB
C
250 lines
8.8 KiB
C
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/*
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* OpenRISC disassembler
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*
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* Copyright (c) 2018 Richard Henderson <rth@twiddle.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "disas/dis-asm.h"
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#include "qemu/bitops.h"
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#include "cpu.h"
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typedef disassemble_info DisasContext;
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/* Include the auto-generated decoder. */
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#include "decode.inc.c"
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#define output(mnemonic, format, ...) \
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(info->fprintf_func(info->stream, "%-9s " format, \
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mnemonic, ##__VA_ARGS__))
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int print_insn_or1k(bfd_vma addr, disassemble_info *info)
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{
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bfd_byte buffer[4];
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uint32_t insn;
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int status;
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status = info->read_memory_func(addr, buffer, 4, info);
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if (status != 0) {
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info->memory_error_func(status, addr, info);
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return -1;
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}
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insn = bfd_getb32(buffer);
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if (!decode(info, insn)) {
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output(".long", "%#08x", insn);
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}
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return 4;
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}
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#define INSN(opcode, format, ...) \
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static bool trans_l_##opcode(disassemble_info *info, arg_l_##opcode *a) \
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{ \
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output("l." #opcode, format, ##__VA_ARGS__); \
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return true; \
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}
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INSN(add, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(addc, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(sub, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(and, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(or, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(xor, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(sll, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(srl, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(sra, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(ror, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(exths, "r%d, r%d", a->d, a->a)
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INSN(extbs, "r%d, r%d", a->d, a->a)
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INSN(exthz, "r%d, r%d", a->d, a->a)
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INSN(extbz, "r%d, r%d", a->d, a->a)
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INSN(cmov, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(ff1, "r%d, r%d", a->d, a->a)
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INSN(fl1, "r%d, r%d", a->d, a->a)
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INSN(mul, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(mulu, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(div, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(divu, "r%d, r%d, r%d", a->d, a->a, a->b)
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INSN(muld, "r%d, r%d", a->a, a->b)
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INSN(muldu, "r%d, r%d", a->a, a->b)
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INSN(j, "%d", a->n)
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INSN(jal, "%d", a->n)
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INSN(bf, "%d", a->n)
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INSN(bnf, "%d", a->n)
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INSN(jr, "r%d", a->b)
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INSN(jalr, "r%d", a->b)
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INSN(lwa, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(lwz, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(lws, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(lbz, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(lbs, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(lhz, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(lhs, "r%d, %d(r%d)", a->d, a->i, a->a)
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INSN(swa, "%d(r%d), r%d", a->i, a->a, a->b)
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INSN(sw, "%d(r%d), r%d", a->i, a->a, a->b)
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INSN(sb, "%d(r%d), r%d", a->i, a->a, a->b)
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INSN(sh, "%d(r%d), r%d", a->i, a->a, a->b)
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INSN(nop, "")
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INSN(adrp, "r%d, %d", a->d, a->i)
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INSN(addi, "r%d, r%d, %d", a->d, a->a, a->i)
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INSN(addic, "r%d, r%d, %d", a->d, a->a, a->i)
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INSN(muli, "r%d, r%d, %d", a->d, a->a, a->i)
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INSN(maci, "r%d, %d", a->a, a->i)
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INSN(andi, "r%d, r%d, %d", a->d, a->a, a->k)
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INSN(ori, "r%d, r%d, %d", a->d, a->a, a->k)
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INSN(xori, "r%d, r%d, %d", a->d, a->a, a->i)
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INSN(mfspr, "r%d, r%d, %d", a->d, a->a, a->k)
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INSN(mtspr, "r%d, r%d, %d", a->a, a->b, a->k)
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INSN(mac, "r%d, r%d", a->a, a->b)
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INSN(msb, "r%d, r%d", a->a, a->b)
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INSN(macu, "r%d, r%d", a->a, a->b)
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INSN(msbu, "r%d, r%d", a->a, a->b)
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INSN(slli, "r%d, r%d, %d", a->d, a->a, a->l)
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INSN(srli, "r%d, r%d, %d", a->d, a->a, a->l)
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INSN(srai, "r%d, r%d, %d", a->d, a->a, a->l)
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INSN(rori, "r%d, r%d, %d", a->d, a->a, a->l)
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INSN(movhi, "r%d, %d", a->d, a->k)
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INSN(macrc, "r%d", a->d)
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INSN(sfeq, "r%d, r%d", a->a, a->b)
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INSN(sfne, "r%d, r%d", a->a, a->b)
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INSN(sfgtu, "r%d, r%d", a->a, a->b)
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INSN(sfgeu, "r%d, r%d", a->a, a->b)
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INSN(sfltu, "r%d, r%d", a->a, a->b)
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INSN(sfleu, "r%d, r%d", a->a, a->b)
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INSN(sfgts, "r%d, r%d", a->a, a->b)
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INSN(sfges, "r%d, r%d", a->a, a->b)
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INSN(sflts, "r%d, r%d", a->a, a->b)
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INSN(sfles, "r%d, r%d", a->a, a->b)
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INSN(sfeqi, "r%d, %d", a->a, a->i)
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INSN(sfnei, "r%d, %d", a->a, a->i)
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INSN(sfgtui, "r%d, %d", a->a, a->i)
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INSN(sfgeui, "r%d, %d", a->a, a->i)
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INSN(sfltui, "r%d, %d", a->a, a->i)
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INSN(sfleui, "r%d, %d", a->a, a->i)
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INSN(sfgtsi, "r%d, %d", a->a, a->i)
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INSN(sfgesi, "r%d, %d", a->a, a->i)
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INSN(sfltsi, "r%d, %d", a->a, a->i)
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INSN(sflesi, "r%d, %d", a->a, a->i)
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INSN(sys, "%d", a->k)
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INSN(trap, "%d", a->k)
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INSN(msync, "")
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INSN(psync, "")
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INSN(csync, "")
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INSN(rfe, "")
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#define FP_INSN(opcode, suffix, format, ...) \
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static bool trans_lf_##opcode##_##suffix(disassemble_info *info, \
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arg_lf_##opcode##_##suffix *a) \
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{ \
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output("lf." #opcode "." #suffix, format, ##__VA_ARGS__); \
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return true; \
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}
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FP_INSN(add, s, "r%d, r%d, r%d", a->d, a->a, a->b)
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FP_INSN(sub, s, "r%d, r%d, r%d", a->d, a->a, a->b)
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FP_INSN(mul, s, "r%d, r%d, r%d", a->d, a->a, a->b)
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FP_INSN(div, s, "r%d, r%d, r%d", a->d, a->a, a->b)
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FP_INSN(rem, s, "r%d, r%d, r%d", a->d, a->a, a->b)
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FP_INSN(itof, s, "r%d, r%d", a->d, a->a)
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FP_INSN(ftoi, s, "r%d, r%d", a->d, a->a)
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FP_INSN(madd, s, "r%d, r%d, r%d", a->d, a->a, a->b)
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FP_INSN(sfeq, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfne, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfgt, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfge, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sflt, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfle, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfun, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfueq, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfuge, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfugt, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfule, s, "r%d, r%d", a->a, a->b)
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FP_INSN(sfult, s, "r%d, r%d", a->a, a->b)
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FP_INSN(add, d, "r%d,r%d, r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sub, d, "r%d,r%d, r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(mul, d, "r%d,r%d, r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(div, d, "r%d,r%d, r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(rem, d, "r%d,r%d, r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(madd, d, "r%d,r%d, r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(itof, d, "r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1)
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FP_INSN(ftoi, d, "r%d,r%d, r%d,r%d",
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a->d, a->d + a->dp + 1,
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a->a, a->a + a->ap + 1)
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FP_INSN(stod, d, "r%d,r%d, r%d",
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a->d, a->d + a->dp + 1, a->a)
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FP_INSN(dtos, d, "r%d r%d,r%d",
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a->d, a->a, a->a + a->ap + 1)
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FP_INSN(sfeq, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfne, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfgt, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfge, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sflt, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfle, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfun, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfueq, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfuge, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfugt, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfule, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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FP_INSN(sfult, d, "r%d,r%d, r%d,r%d",
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a->a, a->a + a->ap + 1,
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a->b, a->b + a->bp + 1)
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