Merge tag 'seabios-20211203-pull-request' of git://git.kraxel.org/qemu 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 typedef struct TCGHelperInfo {
31 void *func;
32 const char *name;
33 unsigned flags;
34 unsigned typemask;
35 } TCGHelperInfo;
36
37 extern TCGContext tcg_init_ctx;
38 extern TCGContext **tcg_ctxs;
39 extern unsigned int tcg_cur_ctxs;
40 extern unsigned int tcg_max_ctxs;
41
42 void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus);
43 bool tcg_region_alloc(TCGContext *s);
44 void tcg_region_initial_alloc(TCGContext *s);
45 void tcg_region_prologue_set(TCGContext *s);
46
47 static inline void *tcg_call_func(TCGOp *op)
48 {
49 return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)];
50 }
51
52 static inline const TCGHelperInfo *tcg_call_info(TCGOp *op)
53 {
54 return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1];
55 }
56
57 static inline unsigned tcg_call_flags(TCGOp *op)
58 {
59 return tcg_call_info(op)->flags;
60 }
61
62 #endif /* TCG_INTERNAL_H */