LXR qemu/include/exec/tb-context.h

   1/*
   2 * Internal structs that QEMU exports to TCG
   3 *
   4 *  Copyright (c) 2003 Fabrice Bellard
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License as published by the Free Software Foundation; either
   9 * version 2 of the License, or (at your option) any later version.
  10 *
  11 * This library is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * Lesser General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#ifndef QEMU_TB_CONTEXT_H_
  21#define QEMU_TB_CONTEXT_H_
  22
  23#include "qemu/thread.h"
  24
  25#define CODE_GEN_PHYS_HASH_BITS     15
  26#define CODE_GEN_PHYS_HASH_SIZE     (1 << CODE_GEN_PHYS_HASH_BITS)
  27
  28typedef struct TranslationBlock TranslationBlock;
  29typedef struct TBContext TBContext;
  30
  31struct TBContext {
  32
  33    TranslationBlock *tbs;
  34    TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
  35    int nb_tbs;
  36    /* any access to the tbs or the page table must use this lock */
  37    QemuMutex tb_lock;
  38
  39    /* statistics */
  40    int tb_flush_count;
  41    int tb_phys_invalidate_count;
  42};
  43
  44#endif
  45