2019-12-31 19:02:39 +00:00
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/*
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2020-04-27 16:55:59 +00:00
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* Copyright (C) 2014-2020 Paul Cercueil <paul@crapouillou.net>
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2019-12-31 19:02:39 +00:00
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*/
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#ifndef __REGCACHE_H__
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#define __REGCACHE_H__
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#include "lightrec-private.h"
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#define NUM_REGS (JIT_V_NUM - 2)
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#define NUM_TEMPS (JIT_R_NUM)
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#define LIGHTREC_REG_STATE (JIT_V(JIT_V_NUM - 1))
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#define LIGHTREC_REG_CYCLE (JIT_V(JIT_V_NUM - 2))
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#define REG_LO 32
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#define REG_HI 33
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struct register_value {
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_Bool known;
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u32 value;
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};
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struct native_register;
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struct regcache;
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u8 lightrec_alloc_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
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u8 lightrec_alloc_reg_temp(struct regcache *cache, jit_state_t *_jit);
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u8 lightrec_alloc_reg_out(struct regcache *cache, jit_state_t *_jit, u8 reg);
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u8 lightrec_alloc_reg_in(struct regcache *cache, jit_state_t *_jit, u8 reg);
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u8 lightrec_alloc_reg_out_ext(struct regcache *cache,
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jit_state_t *_jit, u8 reg);
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u8 lightrec_alloc_reg_in_ext(struct regcache *cache, jit_state_t *_jit, u8 reg);
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u8 lightrec_request_reg_in(struct regcache *cache, jit_state_t *_jit,
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u8 reg, u8 jit_reg);
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void lightrec_regcache_reset(struct regcache *cache);
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void lightrec_lock_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
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void lightrec_free_reg(struct regcache *cache, u8 jit_reg);
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void lightrec_free_regs(struct regcache *cache);
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void lightrec_clean_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
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void lightrec_clean_regs(struct regcache *cache, jit_state_t *_jit);
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void lightrec_unload_reg(struct regcache *cache, jit_state_t *_jit, u8 jit_reg);
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void lightrec_storeback_regs(struct regcache *cache, jit_state_t *_jit);
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void lightrec_clean_reg_if_loaded(struct regcache *cache, jit_state_t *_jit,
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u8 reg, _Bool unload);
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u8 lightrec_alloc_reg_in_address(struct regcache *cache,
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jit_state_t *_jit, u8 reg, s16 offset);
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struct native_register * lightrec_regcache_enter_branch(struct regcache *cache);
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void lightrec_regcache_leave_branch(struct regcache *cache,
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struct native_register *regs);
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struct regcache * lightrec_regcache_init(struct lightrec_state *state);
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void lightrec_free_regcache(struct regcache *cache);
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const char * lightrec_reg_name(u8 reg);
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void lightrec_regcache_mark_live(struct regcache *cache, jit_state_t *_jit);
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#endif /* __REGCACHE_H__ */
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