1 /* 2 * Tiny Code Generator for QEMU 3 * 4 * Copyright (c) 2018 SiFive, Inc 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 RISCV_TCG_TARGET_H 26 #define RISCV_TCG_TARGET_H 27 28 #define TCG_TARGET_INSN_UNIT_SIZE 4 29 #define TCG_TARGET_NB_REGS 64 30 #define MAX_CODE_GEN_BUFFER_SIZE ((size_t)-1) 31 32 typedef enum { 33 TCG_REG_ZERO, TCG_REG_RA, TCG_REG_SP, TCG_REG_GP, 34 TCG_REG_TP, TCG_REG_T0, TCG_REG_T1, TCG_REG_T2, 35 TCG_REG_S0, TCG_REG_S1, TCG_REG_A0, TCG_REG_A1, 36 TCG_REG_A2, TCG_REG_A3, TCG_REG_A4, TCG_REG_A5, 37 TCG_REG_A6, TCG_REG_A7, TCG_REG_S2, TCG_REG_S3, 38 TCG_REG_S4, TCG_REG_S5, TCG_REG_S6, TCG_REG_S7, 39 TCG_REG_S8, TCG_REG_S9, TCG_REG_S10, TCG_REG_S11, 40 TCG_REG_T3, TCG_REG_T4, TCG_REG_T5, TCG_REG_T6, 41 42 /* RISC-V V Extension registers */ 43 TCG_REG_V0, TCG_REG_V1, TCG_REG_V2, TCG_REG_V3, 44 TCG_REG_V4, TCG_REG_V5, TCG_REG_V6, TCG_REG_V7, 45 TCG_REG_V8, TCG_REG_V9, TCG_REG_V10, TCG_REG_V11, 46 TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15, 47 TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19, 48 TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23, 49 TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27, 50 TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31, 51 52 /* aliases */ 53 TCG_AREG0 = TCG_REG_S0, 54 TCG_GUEST_BASE_REG = TCG_REG_S1, 55 TCG_REG_TMP0 = TCG_REG_T6, 56 TCG_REG_TMP1 = TCG_REG_T5, 57 TCG_REG_TMP2 = TCG_REG_T4, 58 } TCGReg; 59 60 #define TCG_REG_ZERO TCG_REG_ZERO 61 62 #endif 63