1 /* 2 * QEMU RISC-V CPU CFG 3 * 4 * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu 5 * Copyright (c) 2017-2018 SiFive, Inc. 6 * Copyright (c) 2021-2023 PLCT Lab 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms and conditions of the GNU General Public License, 10 * version 2 or later, as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef RISCV_CPU_CFG_H 22 #define RISCV_CPU_CFG_H 23 24 /* 25 * map is a 16-bit bitmap: the most significant set bit in map is the maximum 26 * satp mode that is supported. It may be chosen by the user and must respect 27 * what qemu implements (valid_1_10_32/64) and what the hw is capable of 28 * (supported bitmap below). 29 * 30 * init is a 16-bit bitmap used to make sure the user selected a correct 31 * configuration as per the specification. 32 * 33 * supported is a 16-bit bitmap used to reflect the hw capabilities. 34 */ 35 typedef struct { 36 uint16_t map, init, supported; 37 } RISCVSATPMap; 38 39 struct RISCVCPUConfig { 40 bool ext_zba; 41 bool ext_zbb; 42 bool ext_zbc; 43 bool ext_zbkb; 44 bool ext_zbkc; 45 bool ext_zbkx; 46 bool ext_zbs; 47 bool ext_zca; 48 bool ext_zcb; 49 bool ext_zcd; 50 bool ext_zce; 51 bool ext_zcf; 52 bool ext_zcmp; 53 bool ext_zcmt; 54 bool ext_zk; 55 bool ext_zkn; 56 bool ext_zknd; 57 bool ext_zkne; 58 bool ext_zknh; 59 bool ext_zkr; 60 bool ext_zks; 61 bool ext_zksed; 62 bool ext_zksh; 63 bool ext_zkt; 64 bool ext_ifencei; 65 bool ext_icsr; 66 bool ext_icbom; 67 bool ext_icboz; 68 bool ext_zicond; 69 bool ext_zihintntl; 70 bool ext_zihintpause; 71 bool ext_smstateen; 72 bool ext_sstc; 73 bool ext_svadu; 74 bool ext_svinval; 75 bool ext_svnapot; 76 bool ext_svpbmt; 77 bool ext_zdinx; 78 bool ext_zawrs; 79 bool ext_zfa; 80 bool ext_zfbfmin; 81 bool ext_zfh; 82 bool ext_zfhmin; 83 bool ext_zfinx; 84 bool ext_zhinx; 85 bool ext_zhinxmin; 86 bool ext_zve32f; 87 bool ext_zve64f; 88 bool ext_zve64d; 89 bool ext_zvbb; 90 bool ext_zvbc; 91 bool ext_zvkg; 92 bool ext_zvkned; 93 bool ext_zvknha; 94 bool ext_zvknhb; 95 bool ext_zvksed; 96 bool ext_zvksh; 97 bool ext_zmmul; 98 bool ext_zvfbfmin; 99 bool ext_zvfbfwma; 100 bool ext_zvfh; 101 bool ext_zvfhmin; 102 bool ext_smaia; 103 bool ext_ssaia; 104 bool ext_sscofpmf; 105 bool rvv_ta_all_1s; 106 bool rvv_ma_all_1s; 107 108 uint32_t mvendorid; 109 uint64_t marchid; 110 uint64_t mimpid; 111 112 /* Vendor-specific custom extensions */ 113 bool ext_xtheadba; 114 bool ext_xtheadbb; 115 bool ext_xtheadbs; 116 bool ext_xtheadcmo; 117 bool ext_xtheadcondmov; 118 bool ext_xtheadfmemidx; 119 bool ext_xtheadfmv; 120 bool ext_xtheadmac; 121 bool ext_xtheadmemidx; 122 bool ext_xtheadmempair; 123 bool ext_xtheadsync; 124 bool ext_XVentanaCondOps; 125 126 uint8_t pmu_num; 127 char *priv_spec; 128 char *user_spec; 129 char *bext_spec; 130 char *vext_spec; 131 uint16_t vlen; 132 uint16_t elen; 133 uint16_t cbom_blocksize; 134 uint16_t cboz_blocksize; 135 bool mmu; 136 bool pmp; 137 bool epmp; 138 bool debug; 139 bool misa_w; 140 141 bool short_isa_string; 142 143 #ifndef CONFIG_USER_ONLY 144 RISCVSATPMap satp_mode; 145 #endif 146 }; 147 148 typedef struct RISCVCPUConfig RISCVCPUConfig; 149 150 /* Helper functions to test for extensions. */ 151 152 static inline bool always_true_p(const RISCVCPUConfig *cfg __attribute__((__unused__))) 153 { 154 return true; 155 } 156 157 static inline bool has_xthead_p(const RISCVCPUConfig *cfg) 158 { 159 return cfg->ext_xtheadba || cfg->ext_xtheadbb || 160 cfg->ext_xtheadbs || cfg->ext_xtheadcmo || 161 cfg->ext_xtheadcondmov || 162 cfg->ext_xtheadfmemidx || cfg->ext_xtheadfmv || 163 cfg->ext_xtheadmac || cfg->ext_xtheadmemidx || 164 cfg->ext_xtheadmempair || cfg->ext_xtheadsync; 165 } 166 167 #define MATERIALISE_EXT_PREDICATE(ext) \ 168 static inline bool has_ ## ext ## _p(const RISCVCPUConfig *cfg) \ 169 { \ 170 return cfg->ext_ ## ext ; \ 171 } 172 173 MATERIALISE_EXT_PREDICATE(xtheadba) 174 MATERIALISE_EXT_PREDICATE(xtheadbb) 175 MATERIALISE_EXT_PREDICATE(xtheadbs) 176 MATERIALISE_EXT_PREDICATE(xtheadcmo) 177 MATERIALISE_EXT_PREDICATE(xtheadcondmov) 178 MATERIALISE_EXT_PREDICATE(xtheadfmemidx) 179 MATERIALISE_EXT_PREDICATE(xtheadfmv) 180 MATERIALISE_EXT_PREDICATE(xtheadmac) 181 MATERIALISE_EXT_PREDICATE(xtheadmemidx) 182 MATERIALISE_EXT_PREDICATE(xtheadmempair) 183 MATERIALISE_EXT_PREDICATE(xtheadsync) 184 MATERIALISE_EXT_PREDICATE(XVentanaCondOps) 185 186 #endif 187