translate.c

/*
 *  UniCore32 translation
 *
 * Copyright (C) 2010-2011 GUAN Xue-tao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation, or (at your option) any
 * later version. See the COPYING file in the top-level directory.
 */
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>

#include "cpu.h"
#include "disas.h"
#include "tcg-op.h"
#include "qemu-log.h"

#include "helper.h"
#define GEN_HELPER 1
#include "helper.h"

/* internal defines */
typedef struct DisasContext {
    target_ulong pc;
    int is_jmp;
    /* Nonzero if this instruction has been conditionally skipped.  */
    int condjmp;
    /* The label that will be jumped to when the instruction is skipped.  */
    int condlabel;
    struct TranslationBlock *tb;
    int singlestep_enabled;
} DisasContext;

#define IS_USER(s) 1

/* These instructions trap after executing, so defer them until after the
   conditional executions state has been updated.  */
#define DISAS_SYSCALL 5

static TCGv_ptr cpu_env;
static TCGv_i32 cpu_R[32];

/* FIXME:  These should be removed.  */
static TCGv cpu_F0s, cpu_F1s;
static TCGv_i64 cpu_F0d, cpu_F1d;

#include "gen-icount.h"

static const char *regnames[] = {
      "r00", "r01", "r02", "r03", "r04", "r05", "r06", "r07",
      "r08", "r09", "r10", "r11", "r12", "r13", "r14", "r15",
      "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
      "r24", "r25", "r26", "r27", "r28", "r29", "r30", "pc" };

/* initialize TCG globals.  */
void uc32_translate_init(void)
{
    int i;

    cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");

    for (i = 0; i < 32; i++) {
        cpu_R[i] = tcg_global_mem_new_i32(TCG_AREG0,
                                offsetof(CPUUniCore32State, regs[i]), regnames[i]);
    }