blob: bee87eb840def9b11e034db5c70dc261aaf8e70b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/*
* The per-CPU TranslationBlock jump cache.
*
* Copyright (c) 2003 Fabrice Bellard
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef ACCEL_TCG_TB_JMP_CACHE_H
#define ACCEL_TCG_TB_JMP_CACHE_H
#define TB_JMP_CACHE_BITS 12
#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
/*
* Accessed in parallel; all accesses to 'tb' must be atomic.
* For CF_PCREL, accesses to 'pc' must be protected by a
* load_acquire/store_release to 'tb'.
*/
struct CPUJumpCache {
struct rcu_head rcu;
struct {
TranslationBlock *tb;
target_ulong pc;
} array[TB_JMP_CACHE_SIZE];
};
#endif /* ACCEL_TCG_TB_JMP_CACHE_H */
|
