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| author | Rahul Pathak <rpathak@ventanamicro.com> | 2023-04-18 09:36:24 -0300 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2023-05-05 10:49:50 +1000 |
| commit | e1d084a8524a9225a46d485e2d164bb258f326f7 (patch) | |
| tree | abcadf8bdb3ca76b673293db787c9aa42c492b30 /target/riscv/cpu.c | |
| parent | 190e9f8ec1b79f22097e9bf4aaa93aad7bd7fe69 (diff) | |
| download | qemu-e1d084a8524a9225a46d485e2d164bb258f326f7.zip qemu-e1d084a8524a9225a46d485e2d164bb258f326f7.tar.gz qemu-e1d084a8524a9225a46d485e2d164bb258f326f7.tar.bz2 | |
target/riscv: add Ventana's Veyron V1 CPU
Add a virtual CPU for Ventana's first CPU named veyron-v1. It runs
exclusively for the rv64 target. It's tested with the 'virt' board.
CPU specs and general information can be found here:
https://www.nextplatform.com/2023/02/02/the-first-risc-v-shot-across-the-datacenter-bow/
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230418123624.16414-1-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/cpu.c')
| -rw-r--r-- | target/riscv/cpu.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index befa645..db0875f 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -422,6 +422,43 @@ static void rv64_thead_c906_cpu_init(Object *obj) #endif } +static void rv64_veyron_v1_cpu_init(Object *obj) +{ + CPURISCVState *env = &RISCV_CPU(obj)->env; + RISCVCPU *cpu = RISCV_CPU(obj); + + set_misa(env, MXL_RV64, RVG | RVC | RVS | RVU | RVH); + env->priv_ver = PRIV_VERSION_1_12_0; + + /* Enable ISA extensions */ + cpu->cfg.mmu = true; + cpu->cfg.ext_icbom = true; + cpu->cfg.cbom_blocksize = 64; + cpu->cfg.cboz_blocksize = 64; + cpu->cfg.ext_icboz = true; + cpu->cfg.ext_smaia = true; + cpu->cfg.ext_ssaia = true; + cpu->cfg.ext_sscofpmf = true; + cpu->cfg.ext_sstc = true; + cpu->cfg.ext_svinval = true; + cpu->cfg.ext_svnapot = true; + cpu->cfg.ext_svpbmt = true; + cpu->cfg.ext_smstateen = true; + cpu->cfg.ext_zba = true; + cpu->cfg.ext_zbb = true; + cpu->cfg.ext_zbc = true; + cpu->cfg.ext_zbs = true; + cpu->cfg.ext_XVentanaCondOps = true; + + cpu->cfg.mvendorid = VEYRON_V1_MVENDORID; + cpu->cfg.marchid = VEYRON_V1_MARCHID; + cpu->cfg.mimpid = VEYRON_V1_MIMPID; + +#ifndef CONFIG_USER_ONLY + set_satp_mode_max_supported(cpu, VM_1_10_SV48); +#endif +} + static void rv128_base_cpu_init(Object *obj) { if (qemu_tcg_mttcg_enabled()) { @@ -1827,6 +1864,7 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54, rv64_sifive_u_cpu_init), DEFINE_CPU(TYPE_RISCV_CPU_SHAKTI_C, rv64_sifive_u_cpu_init), DEFINE_CPU(TYPE_RISCV_CPU_THEAD_C906, rv64_thead_c906_cpu_init), + DEFINE_CPU(TYPE_RISCV_CPU_VEYRON_V1, rv64_veyron_v1_cpu_init), DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128, rv128_base_cpu_init), #endif }; |