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d16005f8 PC |
1 | /* |
2 | * Copyright (C) 2014 Paul Cercueil <paul@crapouillou.net> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | */ | |
14 | ||
15 | #ifndef __REGCACHE_H__ | |
16 | #define __REGCACHE_H__ | |
17 | ||
18 | #include "lightrec-private.h" | |
19 | ||
20 | #define NUM_REGS (JIT_V_NUM - 2) | |
21 | #define NUM_TEMPS (JIT_R_NUM) | |
22 | #define LIGHTREC_REG_STATE (JIT_V(JIT_V_NUM - 1)) | |
23 | #define LIGHTREC_REG_CYCLE (JIT_V(JIT_V_NUM - 2)) | |
24 | ||
25 | #define REG_LO 32 | |
26 | #define REG_HI 33 | |
27 | ||
28 | struct register_value { | |
29 | _Bool known; | |
30 | u32 value; | |
31 | }; | |
32 | ||
33 | struct native_register; | |
34 | struct regcache; | |
35 | ||
36 | u8 lightrec_alloc_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg); | |
37 | u8 lightrec_alloc_reg_temp(struct regcache *cache, jit_state_t *_jit); | |
38 | u8 lightrec_alloc_reg_out(struct regcache *cache, jit_state_t *_jit, u8 reg); | |
39 | u8 lightrec_alloc_reg_in(struct regcache *cache, jit_state_t *_jit, u8 reg); | |
40 | u8 lightrec_alloc_reg_out_ext(struct regcache *cache, | |
41 | jit_state_t *_jit, u8 reg); | |
42 | u8 lightrec_alloc_reg_in_ext(struct regcache *cache, jit_state_t *_jit, u8 reg); | |
43 | ||
44 | u8 lightrec_request_reg_in(struct regcache *cache, jit_state_t *_jit, | |
45 | u8 reg, u8 jit_reg); | |
46 | ||
47 | void lightrec_regcache_reset(struct regcache *cache); | |
48 | ||
49 | void lightrec_lock_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg); | |
50 | void lightrec_free_reg(struct regcache *cache, u8 jit_reg); | |
51 | void lightrec_free_regs(struct regcache *cache); | |
52 | void lightrec_clean_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg); | |
53 | void lightrec_clean_regs(struct regcache *cache, jit_state_t *_jit); | |
54 | void lightrec_unload_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg); | |
55 | void lightrec_storeback_regs(struct regcache *cache, jit_state_t *_jit); | |
56 | ||
57 | void lightrec_clean_reg_if_loaded(struct regcache *cache, jit_state_t *_jit, | |
58 | u8 reg, _Bool unload); | |
59 | ||
60 | u8 lightrec_alloc_reg_in_address(struct regcache *cache, | |
61 | jit_state_t *_jit, u8 reg, s16 offset); | |
62 | ||
63 | struct native_register * lightrec_regcache_enter_branch(struct regcache *cache); | |
64 | void lightrec_regcache_leave_branch(struct regcache *cache, | |
65 | struct native_register *regs); | |
66 | ||
67 | struct regcache * lightrec_regcache_init(struct lightrec_state *state); | |
68 | void lightrec_free_regcache(struct regcache *cache); | |
69 | ||
70 | const char * lightrec_reg_name(u8 reg); | |
71 | ||
72 | void lightrec_regcache_mark_live(struct regcache *cache, jit_state_t *_jit); | |
73 | ||
74 | #endif /* __REGCACHE_H__ */ |