mirror of
https://github.com/yuzu-emu/unicorn.git
synced 2024-10-21 04:18:19 +02:00
5c4e852c6e
For now, defined universally as true, since we previously required backends to implement swapped memory operations. Future patches may now remove that support where it is onerous. Backports commit e1dcf3529d0797b25bb49a20e94b62eb93e7276a from qemu
165 lines
5.8 KiB
C
165 lines
5.8 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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#define FACILITY_DISTINCT_OPS FACILITY_LOAD_ON_COND
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#define FACILITY_LOAD_ON_COND2 (1ULL << (63 - 53))
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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 1
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#define TCG_TARGET_HAS_direct_jump (s390_facilities & FACILITY_GEN_INST_EXT)
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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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#define TCG_TARGET_HAS_MEMORY_BSWAP 1
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#define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD)
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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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static inline void tb_target_set_jmp_target(uintptr_t tc_ptr,
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uintptr_t jmp_addr, uintptr_t addr)
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{
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/* patch the branch destination */
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intptr_t disp = addr - (jmp_addr - 2);
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atomic_set((int32_t *)jmp_addr, disp / 2);
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/* no need to flush icache explicitly */
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}
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#ifdef CONFIG_SOFTMMU
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#define TCG_TARGET_NEED_LDST_LABELS
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#endif
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#define TCG_TARGET_NEED_POOL_LABELS
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#endif
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