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Diffstat (limited to 'include/exec/tb-context.h')
| -rw-r--r-- | include/exec/tb-context.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/exec/tb-context.h b/include/exec/tb-context.h new file mode 100644 index 0000000000..5efe3d9087 --- /dev/null +++ b/include/exec/tb-context.h @@ -0,0 +1,44 @@ +/* + * Internal structs that QEMU exports to TCG + * + * Copyright (c) 2003 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef QEMU_TB_CONTEXT_H_ +#define QEMU_TB_CONTEXT_H_ + +#include "qemu/thread.h" + +#define CODE_GEN_PHYS_HASH_BITS 15 +#define CODE_GEN_PHYS_HASH_SIZE (1 << CODE_GEN_PHYS_HASH_BITS) + +typedef struct TranslationBlock TranslationBlock; +typedef struct TBContext TBContext; + +struct TBContext { + + TranslationBlock *tbs; + TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE]; + int nb_tbs; + /* any access to the tbs or the page table must use this lock */ + QemuMutex tb_lock; + + /* statistics */ + int tb_flush_count; + int tb_phys_invalidate_count; +}; + +#endif |