1 /* 2 * Tiny Code Generator for QEMU 3 * 4 * Copyright (c) 2008 Fabrice Bellard 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 #ifndef TCG_TARGET_I386 25 #define TCG_TARGET_I386 1 26 27 #undef TCG_TARGET_WORDS_BIGENDIAN 28 29 #ifdef __x86_64__ 30 # define TCG_TARGET_REG_BITS 64 31 # define TCG_TARGET_NB_REGS 16 32 #else 33 # define TCG_TARGET_REG_BITS 32 34 # define TCG_TARGET_NB_REGS 8 35 #endif 36 37 typedef enum { 38 TCG_REG_EAX = 0, 39 TCG_REG_ECX, 40 TCG_REG_EDX, 41 TCG_REG_EBX, 42 TCG_REG_ESP, 43 TCG_REG_EBP, 44 TCG_REG_ESI, 45 TCG_REG_EDI, 46 47 /* 64-bit registers; always define the symbols to avoid 48 too much if-deffing. */ 49 TCG_REG_R8, 50 TCG_REG_R9, 51 TCG_REG_R10, 52 TCG_REG_R11, 53 TCG_REG_R12, 54 TCG_REG_R13, 55 TCG_REG_R14, 56 TCG_REG_R15, 57 TCG_REG_RAX = TCG_REG_EAX, 58 TCG_REG_RCX = TCG_REG_ECX, 59 TCG_REG_RDX = TCG_REG_EDX, 60 TCG_REG_RBX = TCG_REG_EBX, 61 TCG_REG_RSP = TCG_REG_ESP, 62 TCG_REG_RBP = TCG_REG_EBP, 63 TCG_REG_RSI = TCG_REG_ESI, 64 TCG_REG_RDI = TCG_REG_EDI, 65 } TCGReg; 66 67 #define TCG_CT_CONST_S32 0x100 68 #define TCG_CT_CONST_U32 0x200 69 70 /* used for function call generation */ 71 #define TCG_REG_CALL_STACK TCG_REG_ESP 72 #define TCG_TARGET_STACK_ALIGN 16 73 #if defined(_WIN64) 74 #define TCG_TARGET_CALL_STACK_OFFSET 32 75 #else 76 #define TCG_TARGET_CALL_STACK_OFFSET 0 77 #endif 78 79 /* optional instructions */ 80 #define TCG_TARGET_HAS_div2_i32 1 81 #define TCG_TARGET_HAS_rot_i32 1 82 #define TCG_TARGET_HAS_ext8s_i32 1 83 #define TCG_TARGET_HAS_ext16s_i32 1 84 #define TCG_TARGET_HAS_ext8u_i32 1 85 #define TCG_TARGET_HAS_ext16u_i32 1 86 #define TCG_TARGET_HAS_bswap16_i32 1 87 #define TCG_TARGET_HAS_bswap32_i32 1 88 #define TCG_TARGET_HAS_neg_i32 1 89 #define TCG_TARGET_HAS_not_i32 1 90 #define TCG_TARGET_HAS_andc_i32 0 91 #define TCG_TARGET_HAS_orc_i32 0 92 #define TCG_TARGET_HAS_eqv_i32 0 93 #define TCG_TARGET_HAS_nand_i32 0 94 #define TCG_TARGET_HAS_nor_i32 0 95 #define TCG_TARGET_HAS_deposit_i32 1 96 #define TCG_TARGET_HAS_movcond_i32 1 97 #define TCG_TARGET_HAS_add2_i32 1 98 #define TCG_TARGET_HAS_sub2_i32 1 99 #define TCG_TARGET_HAS_mulu2_i32 1 100 #define TCG_TARGET_HAS_muls2_i32 1 101 #define TCG_TARGET_HAS_muluh_i32 0 102 #define TCG_TARGET_HAS_mulsh_i32 0 103 104 #if TCG_TARGET_REG_BITS == 64 105 #define TCG_TARGET_HAS_div2_i64 1 106 #define TCG_TARGET_HAS_rot_i64 1 107 #define TCG_TARGET_HAS_ext8s_i64 1 108 #define TCG_TARGET_HAS_ext16s_i64 1 109 #define TCG_TARGET_HAS_ext32s_i64 1 110 #define TCG_TARGET_HAS_ext8u_i64 1 111 #define TCG_TARGET_HAS_ext16u_i64 1 112 #define TCG_TARGET_HAS_ext32u_i64 1 113 #define TCG_TARGET_HAS_bswap16_i64 1 114 #define TCG_TARGET_HAS_bswap32_i64 1 115 #define TCG_TARGET_HAS_bswap64_i64 1 116 #define TCG_TARGET_HAS_neg_i64 1 117 #define TCG_TARGET_HAS_not_i64 1 118 #define TCG_TARGET_HAS_andc_i64 0 119 #define TCG_TARGET_HAS_orc_i64 0 120 #define TCG_TARGET_HAS_eqv_i64 0 121 #define TCG_TARGET_HAS_nand_i64 0 122 #define TCG_TARGET_HAS_nor_i64 0 123 #define TCG_TARGET_HAS_deposit_i64 1 124 #define TCG_TARGET_HAS_movcond_i64 1 125 #define TCG_TARGET_HAS_add2_i64 1 126 #define TCG_TARGET_HAS_sub2_i64 1 127 #define TCG_TARGET_HAS_mulu2_i64 1 128 #define TCG_TARGET_HAS_muls2_i64 1 129 #define TCG_TARGET_HAS_muluh_i64 0 130 #define TCG_TARGET_HAS_mulsh_i64 0 131 #endif 132 133 #define TCG_TARGET_HAS_new_ldst 1 134 135 #define TCG_TARGET_deposit_i32_valid(ofs, len) \ 136 (((ofs) == 0 && (len) == 8) || ((ofs) == 8 && (len) == 8) || \ 137 ((ofs) == 0 && (len) == 16)) 138 #define TCG_TARGET_deposit_i64_valid TCG_TARGET_deposit_i32_valid 139 140 #if TCG_TARGET_REG_BITS == 64 141 # define TCG_AREG0 TCG_REG_R14 142 #else 143 # define TCG_AREG0 TCG_REG_EBP 144 #endif 145 146 static inline void flush_icache_range(uintptr_t start, uintptr_t stop) 147 { 148 } 149 150 #endif 151