/* * Tiny Code Generator for QEMU * * Copyright (c) 2009 Ulrich Hecht * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef S390_TCG_TARGET_H #define S390_TCG_TARGET_H #define TCG_TARGET_INSN_UNIT_SIZE 2 #define TCG_TARGET_TLB_DISPLACEMENT_BITS 19 typedef enum TCGReg { TCG_REG_R0 = 0, TCG_REG_R1, TCG_REG_R2, TCG_REG_R3, TCG_REG_R4, TCG_REG_R5, TCG_REG_R6, TCG_REG_R7, TCG_REG_R8, TCG_REG_R9, TCG_REG_R10, TCG_REG_R11, TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15 } TCGReg; #define TCG_TARGET_NB_REGS 16 /* A list of relevant facilities used by this translator. Some of these are required for proper operation, and these are checked at startup. */ #define FACILITY_ZARCH_ACTIVE (1ULL << (63 - 2)) #define FACILITY_LONG_DISP (1ULL << (63 - 18)) #define FACILITY_EXT_IMM (1ULL << (63 - 21)) #define FACILITY_GEN_INST_EXT (1ULL << (63 - 34)) #define FACILITY_LOAD_ON_COND (1ULL << (63 - 45)) #define FACILITY_FAST_BCR_SER FACILITY_LOAD_ON_COND #define FACILITY_DISTINCT_OPS FACILITY_LOAD_ON_COND #define FACILITY_LOAD_ON_COND2 (1ULL << (63 - 53)) extern uint64_t s390_facilities; /* optional instructions */ #define TCG_TARGET_HAS_div2_i32 1 #define TCG_TARGET_HAS_rot_i32 1 #define TCG_TARGET_HAS_ext8s_i32 1 #define TCG_TARGET_HAS_ext16s_i32 1 #define TCG_TARGET_HAS_ext8u_i32 1 #define TCG_TARGET_HAS_ext16u_i32 1 #define TCG_TARGET_HAS_bswap16_i32 1 #define TCG_TARGET_HAS_bswap32_i32 1 #define TCG_TARGET_HAS_not_i32 0 #define TCG_TARGET_HAS_neg_i32 1 #define TCG_TARGET_HAS_andc_i32 0 #define TCG_TARGET_HAS_orc_i32 0 #define TCG_TARGET_HAS_eqv_i32 0 #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_clz_i32 0 #define TCG_TARGET_HAS_ctz_i32 0 #define TCG_TARGET_HAS_ctpop_i32 0 #define TCG_TARGET_HAS_deposit_i32 (s390_facilities & FACILITY_GEN_INST_EXT) #define TCG_TARGET_HAS_extract_i32 (s390_facilities & FACILITY_GEN_INST_EXT) #define TCG_TARGET_HAS_sextract_i32 0 #define TCG_TARGET_HAS_movcond_i32 1 #define TCG_TARGET_HAS_add2_i32 1 #define TCG_TARGET_HAS_sub2_i32 1 #define TCG_TARGET_HAS_mulu2_i32 0 #define TCG_TARGET_HAS_muls2_i32 0 #define TCG_TARGET_HAS_muluh_i32 0 #define TCG_TARGET_HAS_mulsh_i32 0 #define TCG_TARGET_HAS_extrl_i64_i32 0 #define TCG_TARGET_HAS_extrh_i64_i32 0 #define TCG_TARGET_HAS_goto_ptr 1 #define TCG_TARGET_HAS_direct_jump 1 #define TCG_TARGET_HAS_div2_i64 1 #define TCG_TARGET_HAS_rot_i64 1 #define TCG_TARGET_HAS_ext8s_i64 1 #define TCG_TARGET_HAS_ext16s_i64 1 #define TCG_TARGET_HAS_ext32s_i64 1 #define TCG_TARGET_HAS_ext8u_i64 1 #define TCG_TARGET_HAS_ext16u_i64 1 #define TCG_TARGET_HAS_ext32u_i64 1 #define TCG_TARGET_HAS_bswap16_i64 1 #define TCG_TARGET_HAS_bswap32_i64 1 #define TCG_TARGET_HAS_bswap64_i64 1 #define TCG_TARGET_HAS_not_i64 0 #define TCG_TARGET_HAS_neg_i64 1 #define TCG_TARGET_HAS_andc_i64 0 #define TCG_TARGET_HAS_orc_i64 0 #define TCG_TARGET_HAS_eqv_i64 0 #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_clz_i64 (s390_facilities & FACILITY_EXT_IMM) #define TCG_TARGET_HAS_ctz_i64 0 #define TCG_TARGET_HAS_ctpop_i64 0 #define TCG_TARGET_HAS_deposit_i64 (s390_facilities & FACILITY_GEN_INST_EXT) #define TCG_TARGET_HAS_extract_i64 (s390_facilities & FACILITY_GEN_INST_EXT) #define TCG_TARGET_HAS_sextract_i64 0 #define TCG_TARGET_HAS_movcond_i64 1 #define TCG_TARGET_HAS_add2_i64 1 #define TCG_TARGET_HAS_sub2_i64 1 #define TCG_TARGET_HAS_mulu2_i64 1 #define TCG_TARGET_HAS_muls2_i64 0 #define TCG_TARGET_HAS_muluh_i64 0 #define TCG_TARGET_HAS_mulsh_i64 0 /* used for function call generation */ #define TCG_REG_CALL_STACK TCG_REG_R15 #define TCG_TARGET_STACK_ALIGN 8 #define TCG_TARGET_CALL_STACK_OFFSET 160 #define TCG_TARGET_EXTEND_ARGS 1 #define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) enum { TCG_AREG0 = TCG_REG_R10, }; static inline void flush_icache_range(uintptr_t start, uintptr_t stop) { } static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_addr, uintptr_t addr) { /* patch the branch destination */ intptr_t disp = addr - (jmp_addr - 2); atomic_set((int32_t *)jmp_addr, disp / 2); /* no need to flush icache explicitly */ } #endif