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/*
* QEMU RISC-V CPU CFG
*
* Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
* Copyright (c) 2017-2018 SiFive, Inc.
* Copyright (c) 2021-2023 PLCT Lab
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef RISCV_CPU_CFG_H
#define RISCV_CPU_CFG_H
/*
* map is a 16-bit bitmap: the most significant set bit in map is the maximum
* satp mode that is supported. It may be chosen by the user and must respect
* what qemu implements (valid_1_10_32/64) and what the hw is capable of
* (supported bitmap below).
*
* init is a 16-bit bitmap used to make sure the user selected a correct
* configuration as per the specification.
*
* supported is a 16-bit bitmap used to reflect the hw capabilities.
*/
typedef struct {
uint16_t map, init, supported;
} RISCVSATPMap;
struct RISCVCPUConfig {
bool ext_zba;
bool ext_zbb;
bool ext_zbc;
bool ext_zbkb;
bool ext_zbkc;
bool ext_zbkx;
bool ext_zbs;
bool ext_zca;
bool ext_zcb;
bool ext_zcd;
bool ext_zce;
bool ext_zcf;
bool ext_zcmp;
bool ext_zcmt;
bool ext_zk;
bool ext_zkn;
bool ext_zknd;
bool ext_zkne;
bool ext_zknh;
bool ext_zkr;
bool ext_zks;
bool ext_zksed;
bool ext_zksh;
bool ext_zkt;
bool ext_zifencei;
bool ext_zicntr;
bool ext_zicsr;
bool ext_zicbom;
bool ext_zicbop;
bool ext_zicboz;
bool ext_zicond;
bool ext_zihintntl;
bool ext_zihintpause;
bool ext_zihpm;
bool ext_ztso;
bool ext_smstateen;
bool ext_sstc;
bool ext_svadu;
bool ext_svinval;
bool ext_svnapot;
bool ext_svpbmt;
bool ext_zdinx;
bool ext_zaamo;
bool ext_zacas;
bool ext_zalrsc;
bool ext_zawrs;
bool ext_zfa;
bool ext_zfbfmin;
bool ext_zfh;
bool ext_zfhmin;
bool ext_zfinx;
bool ext_zhinx;
bool ext_zhinxmin;
bool ext_zve32f;
bool ext_zve32x;
bool ext_zve64f;
bool ext_zve64d;
bool ext_zve64x;
bool ext_zvbb;
bool ext_zvbc;
bool ext_zvkb;
bool ext_zvkg;
bool ext_zvkned;
bool ext_zvknha;
bool ext_zvknhb;
bool ext_zvksed;
bool ext_zvksh;
bool ext_zvkt;
bool ext_zvkn;
bool ext_zvknc;
bool ext_zvkng;
bool ext_zvks;
bool ext_zvksc;
bool ext_zvksg;
bool ext_zmmul;
bool ext_zvfbfmin;
bool ext_zvfbfwma;
bool ext_zvfh;
bool ext_zvfhmin;
bool ext_smaia;
bool ext_ssaia;
bool ext_sscofpmf;
bool ext_smepmp;
bool rvv_ta_all_1s;
bool rvv_ma_all_1s;
uint32_t mvendorid;
uint64_t marchid;
uint64_t mimpid;
/* Named features */
bool ext_svade;
bool ext_zic64b;
/*
* Always 'true' booleans for named features
* TCG always implement/can't be user disabled,
* based on spec version.
*/
bool has_priv_1_13;
bool has_priv_1_12;
bool has_priv_1_11;
/* Vendor-specific custom extensions */
bool ext_xtheadba;
bool ext_xtheadbb;
bool ext_xtheadbs;
bool ext_xtheadcmo;
bool ext_xtheadcondmov;
bool ext_xtheadfmemidx;
bool ext_xtheadfmv;
bool ext_xtheadmac;
bool ext_xtheadmemidx;
bool ext_xtheadmempair;
bool ext_xtheadsync;
bool ext_XVentanaCondOps;
uint32_t pmu_mask;
uint16_t vlenb;
uint16_t elen;
uint16_t cbom_blocksize;
uint16_t cbop_blocksize;
uint16_t cboz_blocksize;
bool mmu;
bool pmp;
bool debug;
bool misa_w;
bool short_isa_string;
#ifndef CONFIG_USER_ONLY
RISCVSATPMap satp_mode;
#endif
};
typedef struct RISCVCPUConfig RISCVCPUConfig;
/* Helper functions to test for extensions. */
static inline bool always_true_p(const RISCVCPUConfig *cfg __attribute__((__unused__)))
{
return true;
}
static inline bool has_xthead_p(const RISCVCPUConfig *cfg)
{
return cfg->ext_xtheadba || cfg->ext_xtheadbb ||
cfg->ext_xtheadbs || cfg->ext_xtheadcmo ||
cfg->ext_xtheadcondmov ||
cfg->ext_xtheadfmemidx || cfg->ext_xtheadfmv ||
cfg->ext_xtheadmac || cfg->ext_xtheadmemidx ||
cfg->ext_xtheadmempair || cfg->ext_xtheadsync;
}
#define MATERIALISE_EXT_PREDICATE(ext) \
static inline bool has_ ## ext ## _p(const RISCVCPUConfig *cfg) \
{ \
return cfg->ext_ ## ext ; \
}
MATERIALISE_EXT_PREDICATE(xtheadba)
MATERIALISE_EXT_PREDICATE(xtheadbb)
MATERIALISE_EXT_PREDICATE(xtheadbs)
MATERIALISE_EXT_PREDICATE(xtheadcmo)
MATERIALISE_EXT_PREDICATE(xtheadcondmov)
MATERIALISE_EXT_PREDICATE(xtheadfmemidx)
MATERIALISE_EXT_PREDICATE(xtheadfmv)
MATERIALISE_EXT_PREDICATE(xtheadmac)
MATERIALISE_EXT_PREDICATE(xtheadmemidx)
MATERIALISE_EXT_PREDICATE(xtheadmempair)
MATERIALISE_EXT_PREDICATE(xtheadsync)
MATERIALISE_EXT_PREDICATE(XVentanaCondOps)
#endif
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