| 1 | /* |
| 2 | * Tiny Code Generator for QEMU |
| 3 | * |
| 4 | * Copyright (c) 2021 WANG Xuerui <git@xen0n.name> |
| 5 | * |
| 6 | * Based on tcg/riscv/tcg-target.h |
| 7 | * |
| 8 | * Copyright (c) 2018 SiFive, Inc |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 26 | * THE SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef LOONGARCH_TCG_TARGET_H |
| 30 | #define LOONGARCH_TCG_TARGET_H |
| 31 | |
| 32 | #define TCG_TARGET_INSN_UNIT_SIZE 4 |
| 33 | #define TCG_TARGET_NB_REGS 64 |
| 34 | |
| 35 | #define MAX_CODE_GEN_BUFFER_SIZE ((size_t)-1) |
| 36 | |
| 37 | typedef enum { |
| 38 | TCG_REG_ZERO, |
| 39 | TCG_REG_RA, |
| 40 | TCG_REG_TP, |
| 41 | TCG_REG_SP, |
| 42 | TCG_REG_A0, |
| 43 | TCG_REG_A1, |
| 44 | TCG_REG_A2, |
| 45 | TCG_REG_A3, |
| 46 | TCG_REG_A4, |
| 47 | TCG_REG_A5, |
| 48 | TCG_REG_A6, |
| 49 | TCG_REG_A7, |
| 50 | TCG_REG_T0, |
| 51 | TCG_REG_T1, |
| 52 | TCG_REG_T2, |
| 53 | TCG_REG_T3, |
| 54 | TCG_REG_T4, |
| 55 | TCG_REG_T5, |
| 56 | TCG_REG_T6, |
| 57 | TCG_REG_T7, |
| 58 | TCG_REG_T8, |
| 59 | TCG_REG_RESERVED, |
| 60 | TCG_REG_S9, |
| 61 | TCG_REG_S0, |
| 62 | TCG_REG_S1, |
| 63 | TCG_REG_S2, |
| 64 | TCG_REG_S3, |
| 65 | TCG_REG_S4, |
| 66 | TCG_REG_S5, |
| 67 | TCG_REG_S6, |
| 68 | TCG_REG_S7, |
| 69 | TCG_REG_S8, |
| 70 | |
| 71 | TCG_REG_V0 = 32, TCG_REG_V1, TCG_REG_V2, TCG_REG_V3, |
| 72 | TCG_REG_V4, TCG_REG_V5, TCG_REG_V6, TCG_REG_V7, |
| 73 | TCG_REG_V8, TCG_REG_V9, TCG_REG_V10, TCG_REG_V11, |
| 74 | TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15, |
| 75 | TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19, |
| 76 | TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23, |
| 77 | TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27, |
| 78 | TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31, |
| 79 | |
| 80 | /* aliases */ |
| 81 | TCG_AREG0 = TCG_REG_S0, |
| 82 | TCG_REG_TMP0 = TCG_REG_T8, |
| 83 | TCG_REG_TMP1 = TCG_REG_T7, |
| 84 | TCG_REG_TMP2 = TCG_REG_T6, |
| 85 | TCG_VEC_TMP0 = TCG_REG_V23, |
| 86 | } TCGReg; |
| 87 | |
| 88 | #define TCG_REG_ZERO TCG_REG_ZERO |
| 89 | |
| 90 | #endif /* LOONGARCH_TCG_TARGET_H */ |