15ff7258cSRichard Henderson /* 25ff7258cSRichard Henderson * Internal declarations for Tiny Code Generator for QEMU 35ff7258cSRichard Henderson * 45ff7258cSRichard Henderson * Copyright (c) 2008 Fabrice Bellard 55ff7258cSRichard Henderson * 65ff7258cSRichard Henderson * Permission is hereby granted, free of charge, to any person obtaining a copy 75ff7258cSRichard Henderson * of this software and associated documentation files (the "Software"), to deal 85ff7258cSRichard Henderson * in the Software without restriction, including without limitation the rights 95ff7258cSRichard Henderson * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 105ff7258cSRichard Henderson * copies of the Software, and to permit persons to whom the Software is 115ff7258cSRichard Henderson * furnished to do so, subject to the following conditions: 125ff7258cSRichard Henderson * 135ff7258cSRichard Henderson * The above copyright notice and this permission notice shall be included in 145ff7258cSRichard Henderson * all copies or substantial portions of the Software. 155ff7258cSRichard Henderson * 165ff7258cSRichard Henderson * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 175ff7258cSRichard Henderson * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 185ff7258cSRichard Henderson * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 195ff7258cSRichard Henderson * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 205ff7258cSRichard Henderson * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 215ff7258cSRichard Henderson * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 225ff7258cSRichard Henderson * THE SOFTWARE. 235ff7258cSRichard Henderson */ 245ff7258cSRichard Henderson 255ff7258cSRichard Henderson #ifndef TCG_INTERNAL_H 264f31b54bSMarkus Armbruster #define TCG_INTERNAL_H 275ff7258cSRichard Henderson 285ff7258cSRichard Henderson #define TCG_HIGHWATER 1024 295ff7258cSRichard Henderson 303e92aa34SRichard Henderson typedef struct TCGHelperInfo { 313e92aa34SRichard Henderson void *func; 323e92aa34SRichard Henderson const char *name; 333e92aa34SRichard Henderson unsigned flags; 343e92aa34SRichard Henderson unsigned typemask; 353e92aa34SRichard Henderson } TCGHelperInfo; 363e92aa34SRichard Henderson 3742eb6dfcSRichard Henderson extern TCGContext tcg_init_ctx; 385ff7258cSRichard Henderson extern TCGContext **tcg_ctxs; 390e2d61cfSRichard Henderson extern unsigned int tcg_cur_ctxs; 400e2d61cfSRichard Henderson extern unsigned int tcg_max_ctxs; 415ff7258cSRichard Henderson 4243b972b7SRichard Henderson void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus); 435ff7258cSRichard Henderson bool tcg_region_alloc(TCGContext *s); 445ff7258cSRichard Henderson void tcg_region_initial_alloc(TCGContext *s); 455ff7258cSRichard Henderson void tcg_region_prologue_set(TCGContext *s); 465ff7258cSRichard Henderson 47fa52e660SRichard Henderson static inline void *tcg_call_func(TCGOp *op) 48fa52e660SRichard Henderson { 49fa52e660SRichard Henderson return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op)]; 50fa52e660SRichard Henderson } 51fa52e660SRichard Henderson 523e92aa34SRichard Henderson static inline const TCGHelperInfo *tcg_call_info(TCGOp *op) 533e92aa34SRichard Henderson { 543e92aa34SRichard Henderson return (void *)(uintptr_t)op->args[TCGOP_CALLO(op) + TCGOP_CALLI(op) + 1]; 553e92aa34SRichard Henderson } 563e92aa34SRichard Henderson 5790163900SRichard Henderson static inline unsigned tcg_call_flags(TCGOp *op) 5890163900SRichard Henderson { 593e92aa34SRichard Henderson return tcg_call_info(op)->flags; 6090163900SRichard Henderson } 6190163900SRichard Henderson 62d56fea79SRichard Henderson #if TCG_TARGET_REG_BITS == 32 63d56fea79SRichard Henderson static inline TCGv_i32 TCGV_LOW(TCGv_i64 t) 64d56fea79SRichard Henderson { 65*aef85402SRichard Henderson return temp_tcgv_i32(tcgv_i64_temp(t) + HOST_BIG_ENDIAN); 66d56fea79SRichard Henderson } 67d56fea79SRichard Henderson static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t) 68d56fea79SRichard Henderson { 69*aef85402SRichard Henderson return temp_tcgv_i32(tcgv_i64_temp(t) + !HOST_BIG_ENDIAN); 70d56fea79SRichard Henderson } 71d56fea79SRichard Henderson #else 72d56fea79SRichard Henderson extern TCGv_i32 TCGV_LOW(TCGv_i64) QEMU_ERROR("32-bit code path is reachable"); 73d56fea79SRichard Henderson extern TCGv_i32 TCGV_HIGH(TCGv_i64) QEMU_ERROR("32-bit code path is reachable"); 74d56fea79SRichard Henderson #endif 75d56fea79SRichard Henderson 765ff7258cSRichard Henderson #endif /* TCG_INTERNAL_H */ 77