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Instead of exporting goto_ptr directly to TCG frontends, export tcg_gen_lookup_and_goto_ptr(), which calls goto_ptr with the pointer returned by the lookup_tb_ptr() helper. This is the only use case we have for goto_ptr and lookup_tb_ptr, so having this function is very convenient. Furthermore, it trivially allows us to avoid calling the lookup helper if goto_ptr is not implemented by the backend. Backports commit cedbcb01529cb6cf9a2289cdbebbc63f6149fc18 from qemu
144 lines
5.1 KiB
C
144 lines
5.1 KiB
C
/*
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* Tiny Code Generator for QEMU
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*
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* Copyright (c) 2009 Ulrich Hecht <uli@suse.de>
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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 S390_TCG_TARGET_H
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#define S390_TCG_TARGET_H
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#define TCG_TARGET_INSN_UNIT_SIZE 2
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#define TCG_TARGET_TLB_DISPLACEMENT_BITS 19
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typedef enum TCGReg {
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TCG_REG_R0 = 0,
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TCG_REG_R1,
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TCG_REG_R2,
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TCG_REG_R3,
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TCG_REG_R4,
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TCG_REG_R5,
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TCG_REG_R6,
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TCG_REG_R7,
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TCG_REG_R8,
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TCG_REG_R9,
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TCG_REG_R10,
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TCG_REG_R11,
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TCG_REG_R12,
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TCG_REG_R13,
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TCG_REG_R14,
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TCG_REG_R15
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} TCGReg;
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#define TCG_TARGET_NB_REGS 16
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/* A list of relevant facilities used by this translator. Some of these
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are required for proper operation, and these are checked at startup. */
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#define FACILITY_ZARCH_ACTIVE (1ULL << (63 - 2))
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#define FACILITY_LONG_DISP (1ULL << (63 - 18))
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#define FACILITY_EXT_IMM (1ULL << (63 - 21))
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#define FACILITY_GEN_INST_EXT (1ULL << (63 - 34))
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#define FACILITY_LOAD_ON_COND (1ULL << (63 - 45))
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#define FACILITY_FAST_BCR_SER FACILITY_LOAD_ON_COND
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extern uint64_t s390_facilities;
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/* optional instructions */
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#define TCG_TARGET_HAS_div2_i32 1
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#define TCG_TARGET_HAS_rot_i32 1
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#define TCG_TARGET_HAS_ext8s_i32 1
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#define TCG_TARGET_HAS_ext16s_i32 1
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#define TCG_TARGET_HAS_ext8u_i32 1
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#define TCG_TARGET_HAS_ext16u_i32 1
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#define TCG_TARGET_HAS_bswap16_i32 1
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#define TCG_TARGET_HAS_bswap32_i32 1
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#define TCG_TARGET_HAS_not_i32 0
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#define TCG_TARGET_HAS_neg_i32 1
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#define TCG_TARGET_HAS_andc_i32 0
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#define TCG_TARGET_HAS_orc_i32 0
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#define TCG_TARGET_HAS_eqv_i32 0
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#define TCG_TARGET_HAS_nand_i32 0
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#define TCG_TARGET_HAS_nor_i32 0
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#define TCG_TARGET_HAS_clz_i32 0
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#define TCG_TARGET_HAS_ctz_i32 0
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#define TCG_TARGET_HAS_ctpop_i32 0
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#define TCG_TARGET_HAS_deposit_i32 (s390_facilities & FACILITY_GEN_INST_EXT)
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#define TCG_TARGET_HAS_extract_i32 (s390_facilities & FACILITY_GEN_INST_EXT)
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#define TCG_TARGET_HAS_sextract_i32 0
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#define TCG_TARGET_HAS_movcond_i32 1
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#define TCG_TARGET_HAS_add2_i32 1
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#define TCG_TARGET_HAS_sub2_i32 1
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#define TCG_TARGET_HAS_mulu2_i32 0
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#define TCG_TARGET_HAS_muls2_i32 0
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#define TCG_TARGET_HAS_muluh_i32 0
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#define TCG_TARGET_HAS_mulsh_i32 0
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#define TCG_TARGET_HAS_extrl_i64_i32 0
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#define TCG_TARGET_HAS_extrh_i64_i32 0
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#define TCG_TARGET_HAS_goto_ptr 0
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#define TCG_TARGET_HAS_div2_i64 1
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#define TCG_TARGET_HAS_rot_i64 1
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#define TCG_TARGET_HAS_ext8s_i64 1
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#define TCG_TARGET_HAS_ext16s_i64 1
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#define TCG_TARGET_HAS_ext32s_i64 1
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#define TCG_TARGET_HAS_ext8u_i64 1
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#define TCG_TARGET_HAS_ext16u_i64 1
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#define TCG_TARGET_HAS_ext32u_i64 1
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#define TCG_TARGET_HAS_bswap16_i64 1
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#define TCG_TARGET_HAS_bswap32_i64 1
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#define TCG_TARGET_HAS_bswap64_i64 1
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#define TCG_TARGET_HAS_not_i64 0
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#define TCG_TARGET_HAS_neg_i64 1
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#define TCG_TARGET_HAS_andc_i64 0
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#define TCG_TARGET_HAS_orc_i64 0
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#define TCG_TARGET_HAS_eqv_i64 0
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#define TCG_TARGET_HAS_nand_i64 0
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#define TCG_TARGET_HAS_nor_i64 0
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#define TCG_TARGET_HAS_clz_i64 (s390_facilities & FACILITY_EXT_IMM)
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#define TCG_TARGET_HAS_ctz_i64 0
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#define TCG_TARGET_HAS_ctpop_i64 0
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#define TCG_TARGET_HAS_deposit_i64 (s390_facilities & FACILITY_GEN_INST_EXT)
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#define TCG_TARGET_HAS_extract_i64 (s390_facilities & FACILITY_GEN_INST_EXT)
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#define TCG_TARGET_HAS_sextract_i64 0
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#define TCG_TARGET_HAS_movcond_i64 1
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#define TCG_TARGET_HAS_add2_i64 1
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#define TCG_TARGET_HAS_sub2_i64 1
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#define TCG_TARGET_HAS_mulu2_i64 1
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#define TCG_TARGET_HAS_muls2_i64 0
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#define TCG_TARGET_HAS_muluh_i64 0
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#define TCG_TARGET_HAS_mulsh_i64 0
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/* used for function call generation */
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#define TCG_REG_CALL_STACK TCG_REG_R15
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#define TCG_TARGET_STACK_ALIGN 8
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#define TCG_TARGET_CALL_STACK_OFFSET 160
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#define TCG_TARGET_EXTEND_ARGS 1
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enum {
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TCG_AREG0 = TCG_REG_R10,
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};
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static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
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{
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}
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#endif
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