target-xtensa/translate.c

   1 /*
   2  * Xtensa ISA:
   3  * http://www.tensilica.com/products/literature-docs/documentation/xtensa-isa-databook.htm
   4  *
   5  * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are met:
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in the
  14  *       documentation and/or other materials provided with the distribution.
  15  *     * Neither the name of the Open Source and Linux Lab nor the
  16  *       names of its contributors may be used to endorse or promote products
  17  *       derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <stdio.h>
  32
  33 #include "cpu.h"
  34 #include "exec-all.h"
  35 #include "disas.h"
  36 #include "tcg-op.h"
  37 #include "qemu-log.h"
  38
  39
  40 void xtensa_translate_init(void)
  41 {
  42 }
  43
  44 void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
  45 {
  46 }
  47
  48 void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
  49 {
  50 }
  51
  52 void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
  53         int flags)
  54 {
  55     int i;
  56
  57     cpu_fprintf(f, "PC=%08x\n", env->pc);
  58
  59     for (i = 0; i < 16; ++i) {
  60         cpu_fprintf(f, "A%02d=%08x%c", i, env->regs[i],
  61                 (i % 4) == 3 ? '\n' : ' ');
  62     }
  63 }
  64
  65 void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos)
  66 {
  67     env->pc = gen_opc_pc[pc_pos];
  68 }