LXR qemu/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 */
  22typedef enum {
  23    EXT_NONE,
  24    EXT_SIGN,
  25    EXT_ZERO,
  26} DisasExtend;
  27
  28typedef struct DisasContext {
  29    DisasContextBase base;
  30    target_ulong page_start;
  31    uint32_t opcode;
  32    int mem_idx;
  33    TCGv zero;
  34    /* Space for 3 operands plus 1 extra for address computation. */
  35    TCGv temp[4];
  36    uint8_t ntemp;
  37} DisasContext;
  38
  39void generate_exception(DisasContext *ctx, int excp);
  40
  41extern TCGv cpu_gpr[32], cpu_pc;
  42extern TCGv_i32 cpu_fscr0;
  43extern TCGv_i64 cpu_fpr[32];
  44
  45#endif
  46