target/mips/rel6_translate.c

   1 /*
   2  *  MIPS emulation for QEMU - # Release 6 translation routines
   3  *
   4  *  Copyright (c) 2004-2005 Jocelyn Mayer
   5  *  Copyright (c) 2006 Marius Groeger (FPU operations)
   6  *  Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
   7  *  Copyright (c) 2020 Philippe Mathieu-Daudé
   8  *
   9  * This code is licensed under the GNU GPLv2 and later.
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "tcg/tcg-op.h"
  14 #include "exec/helper-gen.h"
  15 #include "translate.h"
  16
  17 /* Include the auto-generated decoder.  */
  18 #include "decode-mips32r6.c.inc"
  19 #include "decode-mips64r6.c.inc"
  20
  21 bool trans_REMOVED(DisasContext *ctx, arg_REMOVED *a)
  22 {
  23     gen_reserved_instruction(ctx);
  24
  25     return true;
  26 }
  27
  28 static bool trans_LSA(DisasContext *ctx, arg_rtype *a)
  29 {
  30     return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa);
  31 }
  32
  33 static bool trans_DLSA(DisasContext *ctx, arg_rtype *a)
  34 {
  35     return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa);
  36 }
  37
  38 bool decode_isa_rel6(DisasContext *ctx, uint32_t insn)
  39 {
  40     if (TARGET_LONG_BITS == 64 && decode_mips64r6(ctx, insn)) {
  41         return true;
  42     }
  43     return decode_mips32r6(ctx, insn);
  44 }