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 25 #ifndef I386_TCG_TARGET_H 26 #define I386_TCG_TARGET_H 27 28 #define TCG_TARGET_INSN_UNIT_SIZE 1 29 30 #ifdef __x86_64__ 31 # define TCG_TARGET_NB_REGS 32 32 # define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB) 33 #else 34 # define TCG_TARGET_NB_REGS 24 35 # define MAX_CODE_GEN_BUFFER_SIZE UINT32_MAX 36 #endif 37 38 typedef enum { 39 TCG_REG_EAX = 0, 40 TCG_REG_ECX, 41 TCG_REG_EDX, 42 TCG_REG_EBX, 43 TCG_REG_ESP, 44 TCG_REG_EBP, 45 TCG_REG_ESI, 46 TCG_REG_EDI, 47 48 /* 64-bit registers; always define the symbols to avoid 49 too much if-deffing. */ 50 TCG_REG_R8, 51 TCG_REG_R9, 52 TCG_REG_R10, 53 TCG_REG_R11, 54 TCG_REG_R12, 55 TCG_REG_R13, 56 TCG_REG_R14, 57 TCG_REG_R15, 58 59 TCG_REG_XMM0, 60 TCG_REG_XMM1, 61 TCG_REG_XMM2, 62 TCG_REG_XMM3, 63 TCG_REG_XMM4, 64 TCG_REG_XMM5, 65 TCG_REG_XMM6, 66 TCG_REG_XMM7, 67 68 /* 64-bit registers; likewise always define. */ 69 TCG_REG_XMM8, 70 TCG_REG_XMM9, 71 TCG_REG_XMM10, 72 TCG_REG_XMM11, 73 TCG_REG_XMM12, 74 TCG_REG_XMM13, 75 TCG_REG_XMM14, 76 TCG_REG_XMM15, 77 78 TCG_REG_RAX = TCG_REG_EAX, 79 TCG_REG_RCX = TCG_REG_ECX, 80 TCG_REG_RDX = TCG_REG_EDX, 81 TCG_REG_RBX = TCG_REG_EBX, 82 TCG_REG_RSP = TCG_REG_ESP, 83 TCG_REG_RBP = TCG_REG_EBP, 84 TCG_REG_RSI = TCG_REG_ESI, 85 TCG_REG_RDI = TCG_REG_EDI, 86 87 TCG_AREG0 = TCG_REG_EBP, 88 TCG_REG_CALL_STACK = TCG_REG_ESP 89 } TCGReg; 90 91 #endif 92