| 1 | /* |
| 2 | * Copyright (C) 2019 Free Software Foundation, Inc. |
| 3 | * |
| 4 | * This file is part of GNU lightning. |
| 5 | * |
| 6 | * GNU lightning is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU Lesser General Public License as published |
| 8 | * by the Free Software Foundation; either version 3, or (at your option) |
| 9 | * any later version. |
| 10 | * |
| 11 | * GNU lightning is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 14 | * License for more details. |
| 15 | * |
| 16 | * Authors: |
| 17 | * Paulo Cesar Pereira de Andrade |
| 18 | */ |
| 19 | |
| 20 | #ifndef _jit_riscv_h |
| 21 | #define _jit_riscv_h |
| 22 | |
| 23 | #define JIT_HASH_CONSTS 0 |
| 24 | #define JIT_NUM_OPERANDS 3 |
| 25 | |
| 26 | /* |
| 27 | * Types |
| 28 | */ |
| 29 | #define JIT_FP _FP |
| 30 | typedef enum { |
| 31 | #define jit_r(i) (JIT_R0 + (i)) |
| 32 | #define jit_r_num() 7 |
| 33 | #define jit_v(i) (JIT_V0 + (i)) |
| 34 | #define jit_v_num() 11 |
| 35 | #define jit_f(i) (JIT_F0 + (i)) |
| 36 | #define jit_f_num() 12 |
| 37 | _ZERO, /* x0 - Hard-wired zero --- */ |
| 38 | _RA, /* x1 - Return address (CalleR save) */ |
| 39 | _SP, /* x2 - Stack pointer (CalleE save) */ |
| 40 | _GP, /* x3 - Global pointer --- */ |
| 41 | |
| 42 | #if 0 /* Pretend it does not exist, so _NOREG can be used in |
| 43 | * a 64 bit bitmask */ |
| 44 | _TP, /* x4 - Thread pointer --- */ |
| 45 | #endif |
| 46 | |
| 47 | #define JIT_R0 _T0 |
| 48 | #define JIT_R1 _T1 |
| 49 | #define JIT_R2 _T2 |
| 50 | #define JIT_R3 _T3 |
| 51 | #define JIT_R4 _T4 |
| 52 | #define JIT_R5 _T5 |
| 53 | #define JIT_R6 _T6 |
| 54 | _T0, /* x5 - Temporary/alternate |
| 55 | link register (CalleR save) */ |
| 56 | _T1, /* x6 - Temporary (CalleR save) */ |
| 57 | _T2, /* x7 - Temporary (CalleR save) */ |
| 58 | _T3, /* x28 - Temporary (CalleR save) */ |
| 59 | _T4, /* x28 - Temporary (CalleR save) */ |
| 60 | _T5, /* x30 - Temporary (CalleR save) */ |
| 61 | _T6, /* x31 - Temporary (CalleR save) */ |
| 62 | _FP, /* x8 - Saved register/frame |
| 63 | pointer (CalleE save) */ |
| 64 | _S0 = _FP, |
| 65 | #define JIT_V0 _S1 |
| 66 | #define JIT_V1 _S2 |
| 67 | #define JIT_V2 _S3 |
| 68 | #define JIT_V3 _S4 |
| 69 | #define JIT_V4 _S5 |
| 70 | #define JIT_V5 _S6 |
| 71 | #define JIT_V6 _S7 |
| 72 | #define JIT_V7 _S8 |
| 73 | #define JIT_V8 _S9 |
| 74 | #define JIT_V9 _S10 |
| 75 | #define JIT_V10 _S11 |
| 76 | _S1, /* x9 - Saved register (CalleE save) */ |
| 77 | _S2, /* x18 - Saved register (CalleE save) */ |
| 78 | _S3, /* x19 - Saved register (CalleE save) */ |
| 79 | _S4, /* x20 - Saved register (CalleE save) */ |
| 80 | _S5, /* x21 - Saved register (CalleE save) */ |
| 81 | _S6, /* x22 - Saved register (CalleE save) */ |
| 82 | _S7, /* x23 - Saved register (CalleE save) */ |
| 83 | _S8, /* x24 - Saved register (CalleE save) */ |
| 84 | _S9, /* x25 - Saved register (CalleE save) */ |
| 85 | _S10, /* x26 - Saved register (CalleE save) */ |
| 86 | _S11, /* x27 - Saved register (CalleE save) */ |
| 87 | _A7, /* x17 - Function argument (CalleR save) */ |
| 88 | _A6, /* x16 - Function argument (CalleR save) */ |
| 89 | _A5, /* x15 - Function argument (CalleR save) */ |
| 90 | _A4, /* x14 - Function argument (CalleR save) */ |
| 91 | _A3, /* x13 - Function argument (CalleR save) */ |
| 92 | _A2, /* x12 - Function argument (CalleR save) */ |
| 93 | _A1, /* x11 - Function argument/ |
| 94 | return value (CalleR save) */ |
| 95 | _A0, /* x10 - Function argument/ |
| 96 | return value (CalleR save) */ |
| 97 | _FT0, /* f0 - FP temporary (CalleR save) */ |
| 98 | _FT1, /* f1 - FP temporary (CalleR save) */ |
| 99 | _FT2, /* f2 - FP temporary (CalleR save) */ |
| 100 | _FT3, /* f3 - FP temporary (CalleR save) */ |
| 101 | _FT4, /* f4 - FP temporary (CalleR save) */ |
| 102 | _FT5, /* f5 - FP temporary (CalleR save) */ |
| 103 | _FT6, /* f6 - FP temporary (CalleR save) */ |
| 104 | _FT7, /* f7 - FP temporary (CalleR save) */ |
| 105 | _FT8, /* f28 - FP temporary (CalleR save) */ |
| 106 | _FT9, /* f29 - FP temporary (CalleR save) */ |
| 107 | _FT10, /* f30 - FP temporary (CalleR save) */ |
| 108 | _FT11, /* f31 - FP temporary (CalleR save) */ |
| 109 | #define JIT_F0 _FS0 |
| 110 | #define JIT_F1 _FS1 |
| 111 | #define JIT_F2 _FS2 |
| 112 | #define JIT_F3 _FS3 |
| 113 | #define JIT_F4 _FS4 |
| 114 | #define JIT_F5 _FS5 |
| 115 | #define JIT_F6 _FS6 |
| 116 | #define JIT_F7 _FS7 |
| 117 | #define JIT_F8 _FS8 |
| 118 | #define JIT_F9 _FS9 |
| 119 | #define JIT_F10 _FS10 |
| 120 | #define JIT_F11 _FS11 |
| 121 | _FS0, /* f8 - FP saved register (CalleE save) */ |
| 122 | _FS1, /* f9 - FP saved register (CalleE save) */ |
| 123 | _FS2, /* f18 - FP saved register (CalleE save) */ |
| 124 | _FS3, /* f19 - FP saved register (CalleE save) */ |
| 125 | _FS4, /* f20 - FP saved register (CalleE save) */ |
| 126 | _FS5, /* f21 - FP saved register (CalleE save) */ |
| 127 | _FS6, /* f22 - FP saved register (CalleE save) */ |
| 128 | _FS7, /* f23 - FP saved register (CalleE save) */ |
| 129 | _FS8, /* f24 - FP saved register (CalleE save) */ |
| 130 | _FS9, /* f25 - FP saved register (CalleE save) */ |
| 131 | _FS10, /* f26 - FP saved register (CalleE save) */ |
| 132 | _FS11, /* f27 - FP saved register (CalleE save) */ |
| 133 | _FA7, /* f17 - FP Function argument (CalleR save) */ |
| 134 | _FA6, /* f16 - FP Function argument (CalleR save) */ |
| 135 | _FA5, /* f15 - FP Function argument (CalleR save) */ |
| 136 | _FA4, /* f14 - FP Function argument (CalleR save) */ |
| 137 | _FA3, /* f13 - FP Function argument (CalleR save) */ |
| 138 | _FA2, /* f12 - FP Function argument (CalleR save) */ |
| 139 | _FA1, /* f11 - FP function argument/ |
| 140 | return value (CalleR save) */ |
| 141 | _FA0, /* f10 - FP function argument/ |
| 142 | return value (CalleR save) */ |
| 143 | _NOREG, |
| 144 | #define JIT_NOREG _NOREG |
| 145 | } jit_reg_t; |
| 146 | |
| 147 | #endif /* _jit_riscv_h */ |