target/loongarch/translate.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * LoongArch translation routines.
   4  *
   5  * Copyright (c) 2021 Loongson Technology Corporation Limited
   6  */
   7
   8 #ifndef TARGET_LOONGARCH_TRANSLATE_H
   9 #define TARGET_LOONGARCH_TRANSLATE_H
  10
  11 #include "exec/translator.h"
  12
  13 #define TRANS(NAME, FUNC, ...) \
  14     static bool trans_##NAME(DisasContext *ctx, arg_##NAME * a) \
  15     { return FUNC(ctx, a, __VA_ARGS__); }
  16
  17 /*
  18  * If an operation is being performed on less than TARGET_LONG_BITS,
  19  * it may require the inputs to be sign- or zero-extended; which will
  20  * depend on the exact operation being performed.
  21  */
  22 typedef enum {
  23     EXT_NONE,
  24     EXT_SIGN,
  25     EXT_ZERO,
  26 } DisasExtend;
  27
  28 typedef struct DisasContext {
  29     DisasContextBase base;
  30     target_ulong page_start;
  31     uint32_t opcode;
  32     uint16_t mem_idx;
  33     uint16_t plv;
  34     TCGv zero;
  35     /* Space for 3 operands plus 1 extra for address computation. */
  36     TCGv temp[4];
  37     uint8_t ntemp;
  38 } DisasContext;
  39
  40 void generate_exception(DisasContext *ctx, int excp);
  41
  42 extern TCGv cpu_gpr[32], cpu_pc;
  43 extern TCGv_i32 cpu_fscr0;
  44 extern TCGv_i64 cpu_fpr[32];
  45
  46 #endif