Re: [PATCH 1/3] target/riscv: Add cycle & instret privilege mode filtering properties

[Weiwei Li]

On 2023/7/19 06:47, Kaiwen Xue wrote:
> This adds the properties for ISA extension smcntrpmf. Patches
> implementing it will follow.
>
> Signed-off-by: Kaiwen Xue <kaiwenx@andrew.cmu.edu>
> Signed-off-by: Kaiwen Xue <kaiwenx@rivosinc.com>
> ---
>   target/riscv/cpu.c     | 2 ++
>   target/riscv/cpu_cfg.h | 1 +
>   2 files changed, 3 insertions(+)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 9339c0241d..31a1862561 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -132,6 +132,7 @@ static const struct isa_ext_data isa_edata_arr[] = {
>       ISA_EXT_DATA_ENTRY(smstateen, PRIV_VERSION_1_12_0, ext_smstateen),
>       ISA_EXT_DATA_ENTRY(ssaia, PRIV_VERSION_1_12_0, ext_ssaia),
>       ISA_EXT_DATA_ENTRY(sscofpmf, PRIV_VERSION_1_12_0, ext_sscofpmf),
> +    ISA_EXT_DATA_ENTRY(smcntrpmf, PRIV_VERSION_1_12_0, ext_smcntrpmf),
>       ISA_EXT_DATA_ENTRY(sstc, PRIV_VERSION_1_12_0, ext_sstc),
>       ISA_EXT_DATA_ENTRY(svadu, PRIV_VERSION_1_12_0, ext_svadu),
>       ISA_EXT_DATA_ENTRY(svinval, PRIV_VERSION_1_12_0, ext_svinval),
> @@ -1753,6 +1754,7 @@ static Property riscv_cpu_extensions[] = {
>       /* Defaults for standard extensions */
>       DEFINE_PROP_UINT8("pmu-num", RISCVCPU, cfg.pmu_num, 16),
>       DEFINE_PROP_BOOL("sscofpmf", RISCVCPU, cfg.ext_sscofpmf, false),
> +    DEFINE_PROP_BOOL("smcntrpmf", RISCVCPU, cfg.ext_smcntrpmf, false),

Normally, property should be exposed to user at last after the function 
is implemented.

Regards,

Weiwei Li

>       DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
>       DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
>       DEFINE_PROP_BOOL("Zihintpause", RISCVCPU, cfg.ext_zihintpause, true),
> diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
> index 2bd9510ba3..424246cbec 100644
> --- a/target/riscv/cpu_cfg.h
> +++ b/target/riscv/cpu_cfg.h
> @@ -69,6 +69,7 @@ struct RISCVCPUConfig {
>       bool ext_zihintpause;
>       bool ext_smstateen;
>       bool ext_sstc;
> +    bool ext_smcntrpmf;
>       bool ext_svadu;
>       bool ext_svinval;
>       bool ext_svnapot;