xref: /qemu/tcg/tcg-internal.h (revision c7bb41b4)
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 static inline unsigned tcg_call_flags(TCGOp *op)
41 {
42     return op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1];
43 }
44 
45 #endif /* TCG_INTERNAL_H */
46