target/mips/rel6_translate.c

   1 /*
   2  *  MIPS emulation for QEMU - Release 6 translation routines
   3  *
   4  *  Copyright (c) 2020 Philippe Mathieu-Daudé
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  *
   8  * This code is licensed under the LGPL v2.1 or later.
   9  */
  10
  11 #include "qemu/osdep.h"
  12 #include "tcg/tcg-op.h"
  13 #include "exec/helper-gen.h"
  14 #include "translate.h"
  15
  16 /* Include the auto-generated decoder.  */
  17 #include "decode-mips32r6.c.inc"
  18 #include "decode-mips64r6.c.inc"
  19
  20 bool trans_REMOVED(DisasContext *ctx, arg_REMOVED *a)
  21 {
  22     gen_reserved_instruction(ctx);
  23
  24     return true;
  25 }
  26
  27 static bool trans_LSA(DisasContext *ctx, arg_rtype *a)
  28 {
  29     return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa);
  30 }
  31
  32 static bool trans_DLSA(DisasContext *ctx, arg_rtype *a)
  33 {
  34     return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa);
  35 }
  36
  37 bool decode_isa_rel6(DisasContext *ctx, uint32_t insn)
  38 {
  39     if (TARGET_LONG_BITS == 64 && decode_mips64r6(ctx, insn)) {
  40         return true;
  41     }
  42     return decode_mips32r6(ctx, insn);
  43 }