target/riscv/cpu_cfg.h

   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_zihintpause;
  70     bool ext_smstateen;
  71     bool ext_sstc;
  72     bool ext_svadu;
  73     bool ext_svinval;
  74     bool ext_svnapot;
  75     bool ext_svpbmt;
  76     bool ext_zdinx;
  77     bool ext_zawrs;
  78     bool ext_zfa;
  79     bool ext_zfbfmin;
  80     bool ext_zfh;
  81     bool ext_zfhmin;
  82     bool ext_zfinx;
  83     bool ext_zhinx;
  84     bool ext_zhinxmin;
  85     bool ext_zve32f;
  86     bool ext_zve64f;
  87     bool ext_zve64d;
  88     bool ext_zvbb;
  89     bool ext_zvbc;
  90     bool ext_zvkned;
  91     bool ext_zvknha;
  92     bool ext_zvknhb;
  93     bool ext_zmmul;
  94     bool ext_zvfbfmin;
  95     bool ext_zvfbfwma;
  96     bool ext_zvfh;
  97     bool ext_zvfhmin;
  98     bool ext_smaia;
  99     bool ext_ssaia;
 100     bool ext_sscofpmf;
 101     bool rvv_ta_all_1s;
 102     bool rvv_ma_all_1s;
 103
 104     uint32_t mvendorid;
 105     uint64_t marchid;
 106     uint64_t mimpid;
 107
 108     /* Vendor-specific custom extensions */
 109     bool ext_xtheadba;
 110     bool ext_xtheadbb;
 111     bool ext_xtheadbs;
 112     bool ext_xtheadcmo;
 113     bool ext_xtheadcondmov;
 114     bool ext_xtheadfmemidx;
 115     bool ext_xtheadfmv;
 116     bool ext_xtheadmac;
 117     bool ext_xtheadmemidx;
 118     bool ext_xtheadmempair;
 119     bool ext_xtheadsync;
 120     bool ext_XVentanaCondOps;
 121
 122     uint8_t pmu_num;
 123     char *priv_spec;
 124     char *user_spec;
 125     char *bext_spec;
 126     char *vext_spec;
 127     uint16_t vlen;
 128     uint16_t elen;
 129     uint16_t cbom_blocksize;
 130     uint16_t cboz_blocksize;
 131     bool mmu;
 132     bool pmp;
 133     bool epmp;
 134     bool debug;
 135     bool misa_w;
 136
 137     bool short_isa_string;
 138
 139 #ifndef CONFIG_USER_ONLY
 140     RISCVSATPMap satp_mode;
 141 #endif
 142 };
 143
 144 typedef struct RISCVCPUConfig RISCVCPUConfig;
 145
 146 /* Helper functions to test for extensions.  */
 147
 148 static inline bool always_true_p(const RISCVCPUConfig *cfg __attribute__((__unused__)))
 149 {
 150     return true;
 151 }
 152
 153 static inline bool has_xthead_p(const RISCVCPUConfig *cfg)
 154 {
 155     return cfg->ext_xtheadba || cfg->ext_xtheadbb ||
 156            cfg->ext_xtheadbs || cfg->ext_xtheadcmo ||
 157            cfg->ext_xtheadcondmov ||
 158            cfg->ext_xtheadfmemidx || cfg->ext_xtheadfmv ||
 159            cfg->ext_xtheadmac || cfg->ext_xtheadmemidx ||
 160            cfg->ext_xtheadmempair || cfg->ext_xtheadsync;
 161 }
 162
 163 #define MATERIALISE_EXT_PREDICATE(ext) \
 164     static inline bool has_ ## ext ## _p(const RISCVCPUConfig *cfg) \
 165     { \
 166         return cfg->ext_ ## ext ; \
 167     }
 168
 169 MATERIALISE_EXT_PREDICATE(xtheadba)
 170 MATERIALISE_EXT_PREDICATE(xtheadbb)
 171 MATERIALISE_EXT_PREDICATE(xtheadbs)
 172 MATERIALISE_EXT_PREDICATE(xtheadcmo)
 173 MATERIALISE_EXT_PREDICATE(xtheadcondmov)
 174 MATERIALISE_EXT_PREDICATE(xtheadfmemidx)
 175 MATERIALISE_EXT_PREDICATE(xtheadfmv)
 176 MATERIALISE_EXT_PREDICATE(xtheadmac)
 177 MATERIALISE_EXT_PREDICATE(xtheadmemidx)
 178 MATERIALISE_EXT_PREDICATE(xtheadmempair)
 179 MATERIALISE_EXT_PREDICATE(xtheadsync)
 180 MATERIALISE_EXT_PREDICATE(XVentanaCondOps)
 181
 182 #endif