Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2021-10-15' into staging
[qemu.git] / tcg / tcg-internal.h
1 /*
2 * Internal declarations for Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #ifndef TCG_INTERNAL_H
26 #define TCG_INTERNAL_H 1
27
28 #define TCG_HIGHWATER 1024
29
30 extern TCGContext tcg_init_ctx;
31 extern TCGContext **tcg_ctxs;
32 extern unsigned int tcg_cur_ctxs;
33 extern unsigned int tcg_max_ctxs;
34
35 void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus);
36 bool tcg_region_alloc(TCGContext *s);
37 void tcg_region_initial_alloc(TCGContext *s);
38 void tcg_region_prologue_set(TCGContext *s);
39
40 #endif /* TCG_INTERNAL_H */