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[PATCH v5 1/5] target/riscv: Fix the predicate functions for mhpmeventhX CSRs

Atish Patra posted 5 patches 9 months ago
Maintainers: Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
[PATCH v5 1/5] target/riscv: Fix the predicate functions for mhpmeventhX CSRs
Posted by Atish Patra 9 months ago 
mhpmeventhX CSRs are available for RV32. The predicate function
should check that first before checking sscofpmf extension.

Fixes: 14664483457b ("target/riscv: Add sscofpmf extension support")
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
---
 target/riscv/csr.c | 67 ++++++++++++++++++++++++++--------------------
 1 file changed, 38 insertions(+), 29 deletions(-)

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index d4e8ac13b90c..a3d979c4c72c 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -227,6 +227,15 @@ static RISCVException sscofpmf(CPURISCVState *env, int csrno)
     return RISCV_EXCP_NONE;
 }
 
+static RISCVException sscofpmf_32(CPURISCVState *env, int csrno)
+{
+    if (riscv_cpu_mxl(env) != MXL_RV32) {
+        return RISCV_EXCP_ILLEGAL_INST;
+    }
+
+    return sscofpmf(env, csrno);
+}
+
 static RISCVException any(CPURISCVState *env, int csrno)
 {
     return RISCV_EXCP_NONE;
@@ -5035,91 +5044,91 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
     [CSR_MHPMEVENT31]    = { "mhpmevent31",    any,    read_mhpmevent,
                              write_mhpmevent                           },
 
-    [CSR_MHPMEVENT3H]    = { "mhpmevent3h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT3H]    = { "mhpmevent3h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT4H]    = { "mhpmevent4h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT4H]    = { "mhpmevent4h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT5H]    = { "mhpmevent5h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT5H]    = { "mhpmevent5h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT6H]    = { "mhpmevent6h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT6H]    = { "mhpmevent6h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT7H]    = { "mhpmevent7h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT7H]    = { "mhpmevent7h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT8H]    = { "mhpmevent8h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT8H]    = { "mhpmevent8h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT9H]    = { "mhpmevent9h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT9H]    = { "mhpmevent9h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT10H]   = { "mhpmevent10h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT10H]   = { "mhpmevent10h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT11H]   = { "mhpmevent11h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT11H]   = { "mhpmevent11h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT12H]   = { "mhpmevent12h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT12H]   = { "mhpmevent12h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT13H]   = { "mhpmevent13h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT13H]   = { "mhpmevent13h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT14H]   = { "mhpmevent14h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT14H]   = { "mhpmevent14h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT15H]   = { "mhpmevent15h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT15H]   = { "mhpmevent15h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT16H]   = { "mhpmevent16h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT16H]   = { "mhpmevent16h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT17H]   = { "mhpmevent17h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT17H]   = { "mhpmevent17h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT18H]   = { "mhpmevent18h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT18H]   = { "mhpmevent18h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT19H]   = { "mhpmevent19h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT19H]   = { "mhpmevent19h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT20H]   = { "mhpmevent20h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT20H]   = { "mhpmevent20h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT21H]   = { "mhpmevent21h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT21H]   = { "mhpmevent21h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT22H]   = { "mhpmevent22h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT22H]   = { "mhpmevent22h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT23H]   = { "mhpmevent23h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT23H]   = { "mhpmevent23h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT24H]   = { "mhpmevent24h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT24H]   = { "mhpmevent24h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT25H]   = { "mhpmevent25h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT25H]   = { "mhpmevent25h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT26H]   = { "mhpmevent26h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT26H]   = { "mhpmevent26h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT27H]   = { "mhpmevent27h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT27H]   = { "mhpmevent27h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT28H]   = { "mhpmevent28h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT28H]   = { "mhpmevent28h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT29H]   = { "mhpmevent29h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT29H]   = { "mhpmevent29h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT30H]   = { "mhpmevent30h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT30H]   = { "mhpmevent30h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
-    [CSR_MHPMEVENT31H]   = { "mhpmevent31h",    sscofpmf,  read_mhpmeventh,
+    [CSR_MHPMEVENT31H]   = { "mhpmevent31h",    sscofpmf_32,  read_mhpmeventh,
                              write_mhpmeventh,
                              .min_priv_ver = PRIV_VERSION_1_12_0        },
 
-- 
2.34.1
Re: [PATCH v5 1/5] target/riscv: Fix the predicate functions for mhpmeventhX CSRs
Posted by LIU Zhiwei 8 months, 3 weeks ago 
On 2024/2/29 2:51, Atish Patra wrote:
> mhpmeventhX CSRs are available for RV32. The predicate function
> should check that first before checking sscofpmf extension.
>
> Fixes: 14664483457b ("target/riscv: Add sscofpmf extension support")
> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>

Zhiwei

> Signed-off-by: Atish Patra <atishp@rivosinc.com>
> ---
>   target/riscv/csr.c | 67 ++++++++++++++++++++++++++--------------------
>   1 file changed, 38 insertions(+), 29 deletions(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index d4e8ac13b90c..a3d979c4c72c 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -227,6 +227,15 @@ static RISCVException sscofpmf(CPURISCVState *env, int csrno)
>       return RISCV_EXCP_NONE;
>   }
>   
> +static RISCVException sscofpmf_32(CPURISCVState *env, int csrno)
> +{
> +    if (riscv_cpu_mxl(env) != MXL_RV32) {
> +        return RISCV_EXCP_ILLEGAL_INST;
> +    }
> +
> +    return sscofpmf(env, csrno);
> +}
> +
>   static RISCVException any(CPURISCVState *env, int csrno)
>   {
>       return RISCV_EXCP_NONE;
> @@ -5035,91 +5044,91 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
>       [CSR_MHPMEVENT31]    = { "mhpmevent31",    any,    read_mhpmevent,
>                                write_mhpmevent                           },
>   
> -    [CSR_MHPMEVENT3H]    = { "mhpmevent3h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT3H]    = { "mhpmevent3h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT4H]    = { "mhpmevent4h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT4H]    = { "mhpmevent4h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT5H]    = { "mhpmevent5h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT5H]    = { "mhpmevent5h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT6H]    = { "mhpmevent6h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT6H]    = { "mhpmevent6h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT7H]    = { "mhpmevent7h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT7H]    = { "mhpmevent7h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT8H]    = { "mhpmevent8h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT8H]    = { "mhpmevent8h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT9H]    = { "mhpmevent9h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT9H]    = { "mhpmevent9h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT10H]   = { "mhpmevent10h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT10H]   = { "mhpmevent10h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT11H]   = { "mhpmevent11h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT11H]   = { "mhpmevent11h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT12H]   = { "mhpmevent12h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT12H]   = { "mhpmevent12h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT13H]   = { "mhpmevent13h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT13H]   = { "mhpmevent13h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT14H]   = { "mhpmevent14h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT14H]   = { "mhpmevent14h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT15H]   = { "mhpmevent15h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT15H]   = { "mhpmevent15h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT16H]   = { "mhpmevent16h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT16H]   = { "mhpmevent16h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT17H]   = { "mhpmevent17h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT17H]   = { "mhpmevent17h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT18H]   = { "mhpmevent18h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT18H]   = { "mhpmevent18h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT19H]   = { "mhpmevent19h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT19H]   = { "mhpmevent19h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT20H]   = { "mhpmevent20h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT20H]   = { "mhpmevent20h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT21H]   = { "mhpmevent21h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT21H]   = { "mhpmevent21h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT22H]   = { "mhpmevent22h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT22H]   = { "mhpmevent22h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT23H]   = { "mhpmevent23h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT23H]   = { "mhpmevent23h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT24H]   = { "mhpmevent24h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT24H]   = { "mhpmevent24h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT25H]   = { "mhpmevent25h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT25H]   = { "mhpmevent25h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT26H]   = { "mhpmevent26h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT26H]   = { "mhpmevent26h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT27H]   = { "mhpmevent27h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT27H]   = { "mhpmevent27h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT28H]   = { "mhpmevent28h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT28H]   = { "mhpmevent28h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT29H]   = { "mhpmevent29h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT29H]   = { "mhpmevent29h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT30H]   = { "mhpmevent30h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT30H]   = { "mhpmevent30h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
> -    [CSR_MHPMEVENT31H]   = { "mhpmevent31h",    sscofpmf,  read_mhpmeventh,
> +    [CSR_MHPMEVENT31H]   = { "mhpmevent31h",    sscofpmf_32,  read_mhpmeventh,
>                                write_mhpmeventh,
>                                .min_priv_ver = PRIV_VERSION_1_12_0        },
>

Patchew 2.1-devel-b67e4c2

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