1 /* 2 * Tiny Code Generator for QEMU 3 * 4 * Copyright (c) 2009 Ulrich Hecht <uli@suse.de> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef S390_TCG_TARGET_H 26 #define S390_TCG_TARGET_H 27 28 #define TCG_TARGET_INSN_UNIT_SIZE 2 29 30 /* We have a +- 4GB range on the branches; leave some slop. */ 31 #define MAX_CODE_GEN_BUFFER_SIZE (3 * GiB) 32 33 typedef enum TCGReg { 34 TCG_REG_R0, TCG_REG_R1, TCG_REG_R2, TCG_REG_R3, 35 TCG_REG_R4, TCG_REG_R5, TCG_REG_R6, TCG_REG_R7, 36 TCG_REG_R8, TCG_REG_R9, TCG_REG_R10, TCG_REG_R11, 37 TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15, 38 39 TCG_REG_V0 = 32, TCG_REG_V1, TCG_REG_V2, TCG_REG_V3, 40 TCG_REG_V4, TCG_REG_V5, TCG_REG_V6, TCG_REG_V7, 41 TCG_REG_V8, TCG_REG_V9, TCG_REG_V10, TCG_REG_V11, 42 TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15, 43 TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19, 44 TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23, 45 TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27, 46 TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31, 47 48 TCG_AREG0 = TCG_REG_R10, 49 TCG_REG_CALL_STACK = TCG_REG_R15 50 } TCGReg; 51 52 #define TCG_TARGET_NB_REGS 64 53 54 /* Facilities required for proper operation; checked at startup. */ 55 56 #define FACILITY_ZARCH_ACTIVE 2 57 #define FACILITY_LONG_DISP 18 58 #define FACILITY_EXT_IMM 21 59 #define FACILITY_GEN_INST_EXT 34 60 #define FACILITY_45 45 61 62 /* Facilities that are checked at runtime. */ 63 64 #define FACILITY_LOAD_ON_COND2 53 65 #define FACILITY_MISC_INSN_EXT2 58 66 #define FACILITY_MISC_INSN_EXT3 61 67 #define FACILITY_VECTOR 129 68 #define FACILITY_VECTOR_ENH1 135 69 70 extern uint64_t s390_facilities[3]; 71 72 #define HAVE_FACILITY(X) \ 73 ((s390_facilities[FACILITY_##X / 64] >> (63 - FACILITY_##X % 64)) & 1) 74 75 /* optional instructions */ 76 #define TCG_TARGET_HAS_div2_i32 1 77 #define TCG_TARGET_HAS_rot_i32 1 78 #define TCG_TARGET_HAS_ext8s_i32 1 79 #define TCG_TARGET_HAS_ext16s_i32 1 80 #define TCG_TARGET_HAS_ext8u_i32 1 81 #define TCG_TARGET_HAS_ext16u_i32 1 82 #define TCG_TARGET_HAS_bswap16_i32 1 83 #define TCG_TARGET_HAS_bswap32_i32 1 84 #define TCG_TARGET_HAS_not_i32 HAVE_FACILITY(MISC_INSN_EXT3) 85 #define TCG_TARGET_HAS_neg_i32 1 86 #define TCG_TARGET_HAS_andc_i32 HAVE_FACILITY(MISC_INSN_EXT3) 87 #define TCG_TARGET_HAS_orc_i32 HAVE_FACILITY(MISC_INSN_EXT3) 88 #define TCG_TARGET_HAS_eqv_i32 HAVE_FACILITY(MISC_INSN_EXT3) 89 #define TCG_TARGET_HAS_nand_i32 HAVE_FACILITY(MISC_INSN_EXT3) 90 #define TCG_TARGET_HAS_nor_i32 HAVE_FACILITY(MISC_INSN_EXT3) 91 #define TCG_TARGET_HAS_clz_i32 0 92 #define TCG_TARGET_HAS_ctz_i32 0 93 #define TCG_TARGET_HAS_ctpop_i32 1 94 #define TCG_TARGET_HAS_deposit_i32 1 95 #define TCG_TARGET_HAS_extract_i32 1 96 #define TCG_TARGET_HAS_sextract_i32 0 97 #define TCG_TARGET_HAS_extract2_i32 0 98 #define TCG_TARGET_HAS_movcond_i32 1 99 #define TCG_TARGET_HAS_negsetcond_i32 1 100 #define TCG_TARGET_HAS_add2_i32 1 101 #define TCG_TARGET_HAS_sub2_i32 1 102 #define TCG_TARGET_HAS_mulu2_i32 0 103 #define TCG_TARGET_HAS_muls2_i32 0 104 #define TCG_TARGET_HAS_muluh_i32 0 105 #define TCG_TARGET_HAS_mulsh_i32 0 106 #define TCG_TARGET_HAS_extr_i64_i32 0 107 #define TCG_TARGET_HAS_qemu_st8_i32 0 108 109 #define TCG_TARGET_HAS_div2_i64 1 110 #define TCG_TARGET_HAS_rot_i64 1 111 #define TCG_TARGET_HAS_ext8s_i64 1 112 #define TCG_TARGET_HAS_ext16s_i64 1 113 #define TCG_TARGET_HAS_ext32s_i64 1 114 #define TCG_TARGET_HAS_ext8u_i64 1 115 #define TCG_TARGET_HAS_ext16u_i64 1 116 #define TCG_TARGET_HAS_ext32u_i64 1 117 #define TCG_TARGET_HAS_bswap16_i64 1 118 #define TCG_TARGET_HAS_bswap32_i64 1 119 #define TCG_TARGET_HAS_bswap64_i64 1 120 #define TCG_TARGET_HAS_not_i64 HAVE_FACILITY(MISC_INSN_EXT3) 121 #define TCG_TARGET_HAS_neg_i64 1 122 #define TCG_TARGET_HAS_andc_i64 HAVE_FACILITY(MISC_INSN_EXT3) 123 #define TCG_TARGET_HAS_orc_i64 HAVE_FACILITY(MISC_INSN_EXT3) 124 #define TCG_TARGET_HAS_eqv_i64 HAVE_FACILITY(MISC_INSN_EXT3) 125 #define TCG_TARGET_HAS_nand_i64 HAVE_FACILITY(MISC_INSN_EXT3) 126 #define TCG_TARGET_HAS_nor_i64 HAVE_FACILITY(MISC_INSN_EXT3) 127 #define TCG_TARGET_HAS_clz_i64 1 128 #define TCG_TARGET_HAS_ctz_i64 0 129 #define TCG_TARGET_HAS_ctpop_i64 1 130 #define TCG_TARGET_HAS_deposit_i64 1 131 #define TCG_TARGET_HAS_extract_i64 1 132 #define TCG_TARGET_HAS_sextract_i64 0 133 #define TCG_TARGET_HAS_extract2_i64 0 134 #define TCG_TARGET_HAS_movcond_i64 1 135 #define TCG_TARGET_HAS_negsetcond_i64 1 136 #define TCG_TARGET_HAS_add2_i64 1 137 #define TCG_TARGET_HAS_sub2_i64 1 138 #define TCG_TARGET_HAS_mulu2_i64 1 139 #define TCG_TARGET_HAS_muls2_i64 HAVE_FACILITY(MISC_INSN_EXT2) 140 #define TCG_TARGET_HAS_muluh_i64 0 141 #define TCG_TARGET_HAS_mulsh_i64 0 142 143 #define TCG_TARGET_HAS_qemu_ldst_i128 1 144 145 #define TCG_TARGET_HAS_v64 HAVE_FACILITY(VECTOR) 146 #define TCG_TARGET_HAS_v128 HAVE_FACILITY(VECTOR) 147 #define TCG_TARGET_HAS_v256 0 148 149 #define TCG_TARGET_HAS_andc_vec 1 150 #define TCG_TARGET_HAS_orc_vec HAVE_FACILITY(VECTOR_ENH1) 151 #define TCG_TARGET_HAS_nand_vec HAVE_FACILITY(VECTOR_ENH1) 152 #define TCG_TARGET_HAS_nor_vec 1 153 #define TCG_TARGET_HAS_eqv_vec HAVE_FACILITY(VECTOR_ENH1) 154 #define TCG_TARGET_HAS_not_vec 1 155 #define TCG_TARGET_HAS_neg_vec 1 156 #define TCG_TARGET_HAS_abs_vec 1 157 #define TCG_TARGET_HAS_roti_vec 1 158 #define TCG_TARGET_HAS_rots_vec 1 159 #define TCG_TARGET_HAS_rotv_vec 1 160 #define TCG_TARGET_HAS_shi_vec 1 161 #define TCG_TARGET_HAS_shs_vec 1 162 #define TCG_TARGET_HAS_shv_vec 1 163 #define TCG_TARGET_HAS_mul_vec 1 164 #define TCG_TARGET_HAS_sat_vec 0 165 #define TCG_TARGET_HAS_minmax_vec 1 166 #define TCG_TARGET_HAS_bitsel_vec 1 167 #define TCG_TARGET_HAS_cmpsel_vec 0 168 169 /* used for function call generation */ 170 #define TCG_TARGET_STACK_ALIGN 8 171 #define TCG_TARGET_CALL_STACK_OFFSET 160 172 #define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_EXTEND 173 #define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_NORMAL 174 #define TCG_TARGET_CALL_ARG_I128 TCG_CALL_ARG_BY_REF 175 #define TCG_TARGET_CALL_RET_I128 TCG_CALL_RET_BY_REF 176 177 #define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) 178 #define TCG_TARGET_NEED_LDST_LABELS 179 #define TCG_TARGET_NEED_POOL_LABELS 180 181 #endif 182