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5ff7258c RH |
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 | |
4f31b54b | 26 | #define TCG_INTERNAL_H |
5ff7258c | 27 | |
0f4e14c2 | 28 | #include "tcg/helper-info.h" |
f9c4bb80 | 29 | |
5ff7258c RH |
30 | #define TCG_HIGHWATER 1024 |
31 | ||
42eb6dfc | 32 | extern TCGContext tcg_init_ctx; |
5ff7258c | 33 | extern TCGContext **tcg_ctxs; |
0e2d61cf RH |
34 | extern unsigned int tcg_cur_ctxs; |
35 | extern unsigned int tcg_max_ctxs; | |
5ff7258c | 36 | |
43b972b7 | 37 | void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus); |
5ff7258c RH |
38 | bool tcg_region_alloc(TCGContext *s); |
39 | void tcg_region_initial_alloc(TCGContext *s); | |
40 | void tcg_region_prologue_set(TCGContext *s); | |
41 | ||
fa52e660 RH |
42 | static inline void *tcg_call_func(TCGOp *op) |
43 | { | |
44 | return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)]; | |
45 | } | |
46 | ||
3e92aa34 RH |
47 | static inline const TCGHelperInfo *tcg_call_info(TCGOp *op) |
48 | { | |
49 | return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1]; | |
50 | } | |
51 | ||
90163900 RH |
52 | static inline unsigned tcg_call_flags(TCGOp *op) |
53 | { | |
3e92aa34 | 54 | return tcg_call_info(op)->flags; |
90163900 RH |
55 | } |
56 | ||
d56fea79 RH |
57 | #if TCG_TARGET_REG_BITS == 32 |
58 | static inline TCGv_i32 TCGV_LOW(TCGv_i64 t) | |
59 | { | |
aef85402 | 60 | return temp_tcgv_i32(tcgv_i64_temp(t) + HOST_BIG_ENDIAN); |
d56fea79 RH |
61 | } |
62 | static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t) | |
63 | { | |
aef85402 | 64 | return temp_tcgv_i32(tcgv_i64_temp(t) + !HOST_BIG_ENDIAN); |
d56fea79 RH |
65 | } |
66 | #else | |
f703f1ef PMD |
67 | TCGv_i32 TCGV_LOW(TCGv_i64) QEMU_ERROR("32-bit code path is reachable"); |
68 | TCGv_i32 TCGV_HIGH(TCGv_i64) QEMU_ERROR("32-bit code path is reachable"); | |
d56fea79 RH |
69 | #endif |
70 | ||
4771e71c RH |
71 | static inline TCGv_i64 TCGV128_LOW(TCGv_i128 t) |
72 | { | |
73 | /* For 32-bit, offset by 2, which may then have TCGV_{LOW,HIGH} applied. */ | |
74 | int o = HOST_BIG_ENDIAN ? 64 / TCG_TARGET_REG_BITS : 0; | |
75 | return temp_tcgv_i64(tcgv_i128_temp(t) + o); | |
76 | } | |
77 | ||
78 | static inline TCGv_i64 TCGV128_HIGH(TCGv_i128 t) | |
79 | { | |
80 | int o = HOST_BIG_ENDIAN ? 0 : 64 / TCG_TARGET_REG_BITS; | |
81 | return temp_tcgv_i64(tcgv_i128_temp(t) + o); | |
82 | } | |
83 | ||
7b880107 RH |
84 | bool tcg_target_has_memory_bswap(MemOp memop); |
85 | ||
16edaee7 RH |
86 | /* |
87 | * Locate or create a read-only temporary that is a constant. | |
88 | * This kind of temporary need not be freed, but for convenience | |
89 | * will be silently ignored by tcg_temp_free_*. | |
90 | */ | |
91 | TCGTemp *tcg_constant_internal(TCGType type, int64_t val); | |
92 | ||
1d67bf54 RH |
93 | void tcg_gen_op1(TCGOpcode, TCGArg); |
94 | void tcg_gen_op2(TCGOpcode, TCGArg, TCGArg); | |
95 | void tcg_gen_op3(TCGOpcode, TCGArg, TCGArg, TCGArg); | |
96 | void tcg_gen_op4(TCGOpcode, TCGArg, TCGArg, TCGArg, TCGArg); | |
97 | void tcg_gen_op5(TCGOpcode, TCGArg, TCGArg, TCGArg, TCGArg, TCGArg); | |
98 | void tcg_gen_op6(TCGOpcode, TCGArg, TCGArg, TCGArg, TCGArg, TCGArg, TCGArg); | |
99 | ||
27c758fd RH |
100 | void vec_gen_2(TCGOpcode, TCGType, unsigned, TCGArg, TCGArg); |
101 | void vec_gen_3(TCGOpcode, TCGType, unsigned, TCGArg, TCGArg, TCGArg); | |
102 | void vec_gen_4(TCGOpcode, TCGType, unsigned, TCGArg, TCGArg, TCGArg, TCGArg); | |
103 | ||
5ff7258c | 104 | #endif /* TCG_INTERNAL_H */ |