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| author | MollyChen <xiaoou@iscas.ac.cn> | 2024-12-05 07:36:20 +0000 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2024-12-20 11:22:47 +1000 |
| commit | 2fc8f50eadad5dcc99bc5de1333808b9de47a097 (patch) | |
| tree | e2996843dbcbcd253286019b5f3b0a2c2e2d5b57 | |
| parent | c3de19c0cc02fc19a12e70521be907416c0d2643 (diff) | |
| download | qemu-2fc8f50eadad5dcc99bc5de1333808b9de47a097.zip qemu-2fc8f50eadad5dcc99bc5de1333808b9de47a097.tar.gz qemu-2fc8f50eadad5dcc99bc5de1333808b9de47a097.tar.bz2 | |
target/riscv: add support for RV64 Xiangshan Nanhu CPU
Add a CPU entry for the RV64 XiangShan NANHU CPU which
supports single-core and dual-core configurations. More
details can be found at
https://docs.xiangshan.cc/zh-cn/latest/integration/overview
Signed-off-by: MollyChen <xiaoou@iscas.ac.cn>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20241205073622.46052-1-xiaoou@iscas.ac.cn>
[ Changes by AF
- Fixup code formatting
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
| -rw-r--r-- | target/riscv/cpu-qom.h | 1 | ||||
| -rw-r--r-- | target/riscv/cpu.c | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h index 6547642..d56b067 100644 --- a/target/riscv/cpu-qom.h +++ b/target/riscv/cpu-qom.h @@ -50,6 +50,7 @@ #define TYPE_RISCV_CPU_THEAD_C906 RISCV_CPU_TYPE_NAME("thead-c906") #define TYPE_RISCV_CPU_VEYRON_V1 RISCV_CPU_TYPE_NAME("veyron-v1") #define TYPE_RISCV_CPU_TT_ASCALON RISCV_CPU_TYPE_NAME("tt-ascalon") +#define TYPE_RISCV_CPU_XIANGSHAN_NANHU RISCV_CPU_TYPE_NAME("xiangshan-nanhu") #define TYPE_RISCV_CPU_HOST RISCV_CPU_TYPE_NAME("host") OBJECT_DECLARE_CPU_TYPE(RISCVCPU, RISCVCPUClass, RISCV_CPU) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index d7b830d..58bb519 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -647,6 +647,34 @@ static void rv64_tt_ascalon_cpu_init(Object *obj) #endif } +static void rv64_xiangshan_nanhu_cpu_init(Object *obj) +{ + CPURISCVState *env = &RISCV_CPU(obj)->env; + RISCVCPU *cpu = RISCV_CPU(obj); + + riscv_cpu_set_misa_ext(env, RVG | RVC | RVB | RVS | RVU); + env->priv_ver = PRIV_VERSION_1_12_0; + + /* Enable ISA extensions */ + cpu->cfg.ext_zbc = true; + cpu->cfg.ext_zbkb = true; + cpu->cfg.ext_zbkc = true; + cpu->cfg.ext_zbkx = true; + cpu->cfg.ext_zknd = true; + cpu->cfg.ext_zkne = true; + cpu->cfg.ext_zknh = true; + cpu->cfg.ext_zksed = true; + cpu->cfg.ext_zksh = true; + cpu->cfg.ext_svinval = true; + + cpu->cfg.mmu = true; + cpu->cfg.pmp = true; + +#ifndef CONFIG_USER_ONLY + set_satp_mode_max_supported(cpu, VM_1_10_SV39); +#endif +} + #ifdef CONFIG_TCG static void rv128_base_cpu_init(Object *obj) { @@ -3056,6 +3084,8 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_THEAD_C906, MXL_RV64, rv64_thead_c906_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_TT_ASCALON, MXL_RV64, rv64_tt_ascalon_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_VEYRON_V1, MXL_RV64, rv64_veyron_v1_cpu_init), + DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_XIANGSHAN_NANHU, + MXL_RV64, rv64_xiangshan_nanhu_cpu_init), #ifdef CONFIG_TCG DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128, MXL_RV128, rv128_base_cpu_init), #endif /* CONFIG_TCG */ |