xref: /qemu/accel/tcg/tb-jmp-cache.h (revision a976a99a)
1 /*
2  * The per-CPU TranslationBlock jump cache.
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef ACCEL_TCG_TB_JMP_CACHE_H
10 #define ACCEL_TCG_TB_JMP_CACHE_H
11 
12 #define TB_JMP_CACHE_BITS 12
13 #define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
14 
15 /*
16  * Accessed in parallel; all accesses to 'tb' must be atomic.
17  */
18 struct CPUJumpCache {
19     struct {
20         TranslationBlock *tb;
21     } array[TB_JMP_CACHE_SIZE];
22 };
23 
24 #endif /* ACCEL_TCG_TB_JMP_CACHE_H */
25