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109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/*
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* Internal declarations for Tiny Code Generator for QEMU
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*
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* Copyright (c) 2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef TCG_INTERNAL_H
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#define TCG_INTERNAL_H
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#include "tcg/helper-info.h"
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#define TCG_HIGHWATER 1024
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extern TCGContext tcg_init_ctx;
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extern TCGContext **tcg_ctxs;
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extern unsigned int tcg_cur_ctxs;
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extern unsigned int tcg_max_ctxs;
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void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus);
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bool tcg_region_alloc(TCGContext *s);
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void tcg_region_initial_alloc(TCGContext *s);
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void tcg_region_prologue_set(TCGContext *s);
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static inline void *tcg_call_func(TCGOp *op)
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{
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return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)];
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}
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static inline const TCGHelperInfo *tcg_call_info(TCGOp *op)
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{
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return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1];
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}
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static inline unsigned tcg_call_flags(TCGOp *op)
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{
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return tcg_call_info(op)->flags;
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}
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#if TCG_TARGET_REG_BITS == 32
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static inline TCGv_i32 TCGV_LOW(TCGv_i64 t)
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{
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return temp_tcgv_i32(tcgv_i64_temp(t) + HOST_BIG_ENDIAN);
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}
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static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t)
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{
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return temp_tcgv_i32(tcgv_i64_temp(t) + !HOST_BIG_ENDIAN);
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}
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#else
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TCGv_i32 TCGV_LOW(TCGv_i64) QEMU_ERROR("32-bit code path is reachable");
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TCGv_i32 TCGV_HIGH(TCGv_i64) QEMU_ERROR("32-bit code path is reachable");
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#endif
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static inline TCGv_i64 TCGV128_LOW(TCGv_i128 t)
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{
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/* For 32-bit, offset by 2, which may then have TCGV_{LOW,HIGH} applied. */
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int o = HOST_BIG_ENDIAN ? 64 / TCG_TARGET_REG_BITS : 0;
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return temp_tcgv_i64(tcgv_i128_temp(t) + o);
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}
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static inline TCGv_i64 TCGV128_HIGH(TCGv_i128 t)
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{
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int o = HOST_BIG_ENDIAN ? 0 : 64 / TCG_TARGET_REG_BITS;
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return temp_tcgv_i64(tcgv_i128_temp(t) + o);
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}
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bool tcg_target_has_memory_bswap(MemOp memop);
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TCGTemp *tcg_temp_new_internal(TCGType type, TCGTempKind kind);
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/*
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* Locate or create a read-only temporary that is a constant.
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* This kind of temporary need not be freed, but for convenience
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* will be silently ignored by tcg_temp_free_*.
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*/
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TCGTemp *tcg_constant_internal(TCGType type, int64_t val);
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TCGOp *tcg_gen_op1(TCGOpcode, TCGArg);
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TCGOp *tcg_gen_op2(TCGOpcode, TCGArg, TCGArg);
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TCGOp *tcg_gen_op3(TCGOpcode, TCGArg, TCGArg, TCGArg);
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TCGOp *tcg_gen_op4(TCGOpcode, TCGArg, TCGArg, TCGArg, TCGArg);
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TCGOp *tcg_gen_op5(TCGOpcode, TCGArg, TCGArg, TCGArg, TCGArg, TCGArg);
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TCGOp *tcg_gen_op6(TCGOpcode, TCGArg, TCGArg, TCGArg, TCGArg, TCGArg, TCGArg);
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void vec_gen_2(TCGOpcode, TCGType, unsigned, TCGArg, TCGArg);
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void vec_gen_3(TCGOpcode, TCGType, unsigned, TCGArg, TCGArg, TCGArg);
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void vec_gen_4(TCGOpcode, TCGType, unsigned, TCGArg, TCGArg, TCGArg, TCGArg);
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void vec_gen_6(TCGOpcode opc, TCGType type, unsigned vece, TCGArg r,
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TCGArg a, TCGArg b, TCGArg c, TCGArg d, TCGArg e);
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#endif /* TCG_INTERNAL_H */
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