On Thu, Jun 04, 2026 at 06:52:41AM -0300, Daniel Henrique Barboza wrote:
> From: Fei Wu <[email protected]>
> 
> The harts requirements of RISC-V server platform [1] require RVA23 ISA
> profile support and others.
> 
> This patch provides a new "riscv-server-ref" CPU to go along with the
> future "riscv-server-ref" board.
> 
> [1] 
> https://github.com/riscv-non-isa/riscv-server-platform/blob/main/server_platform_requirements.adoc
> 
> Signed-off-by: Fei Wu <[email protected]>
> Signed-off-by: Daniel Henrique Barboza <[email protected]>
> ---
>  target/riscv/cpu-qom.h |  1 +
>  target/riscv/cpu.c     | 11 +++++++++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h
> index 30dcdcfaae..a150acd151 100644
> --- a/target/riscv/cpu-qom.h
> +++ b/target/riscv/cpu-qom.h
> @@ -42,6 +42,7 @@
>  #define TYPE_RISCV_CPU_RVA22S64         RISCV_CPU_TYPE_NAME("rva22s64")
>  #define TYPE_RISCV_CPU_RVA23U64         RISCV_CPU_TYPE_NAME("rva23u64")
>  #define TYPE_RISCV_CPU_RVA23S64         RISCV_CPU_TYPE_NAME("rva23s64")
> +#define TYPE_RISCV_CPU_RVSERVER_REF     
> RISCV_CPU_TYPE_NAME("riscv-server-ref")
>  #define TYPE_RISCV_CPU_IBEX             RISCV_CPU_TYPE_NAME("lowrisc-ibex")
>  #define TYPE_RISCV_CPU_SHAKTI_C         RISCV_CPU_TYPE_NAME("shakti-c")
>  #define TYPE_RISCV_CPU_SIFIVE_E         RISCV_CPU_TYPE_NAME("sifive-e")
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 3f0f931335..c4a5a7f1cb 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -3315,6 +3315,17 @@ static const TypeInfo riscv_cpu_type_infos[] = {
>  #endif
>      ),
>  
> +    DEFINE_RISCV_CPU(TYPE_RISCV_CPU_RVSERVER_REF, TYPE_RISCV_BARE_CPU,
> +        .misa_mxl_max = MXL_RV64,
> +        .profile = &RVA23S64,
> +
> +        .cfg.ext_zkr = true,
> +        .cfg.ext_svadu = true,

Svadu isn't required. It's only a 'SHOULD' in the spec. We should remove
it.

What about Sdtrig, Ssccfg, Ssstrict, Ssaia?

Thanks,
drew

> +        .cfg.ext_sdext = true,
> +
> +        .cfg.max_satp_mode = VM_1_10_SV48,
> +    ),
> +
>  #if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
>      DEFINE_RISCV_CPU(TYPE_RISCV_CPU_BASE128, TYPE_RISCV_DYNAMIC_CPU,
>          .cfg.max_satp_mode = VM_1_10_SV57,
> -- 
> 2.43.0
> 

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