[RFC PATCH 1/9] riscv: Add new CSRs introduced by Sscofpmf extension

[Xiang W]

在 2021-09-09星期四的 13:40 -0700，Atish Patra写道：
> Signed-off-by: Atish Patra <atish.patra at wdc.com>
> ---
>  include/sbi/riscv_encoding.h | 34 ++++++++++++++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
> 
> diff --git a/include/sbi/riscv_encoding.h
> b/include/sbi/riscv_encoding.h
> index e1d0b463c668..f01c6cf0264d 100644
> --- a/include/sbi/riscv_encoding.h
> +++ b/include/sbi/riscv_encoding.h
> @@ -516,6 +516,40 @@
>  #define CSR_MHPMEVENT30                        0x33e
>  #define CSR_MHPMEVENT31                        0x33f
>  
> +/* For RV32 */
> +#define CSR_MHPMEVENT3H                        0x723
> +#define CSR_MHPMEVENT4H                        0x724
> +#define CSR_MHPMEVENT5H                        0x725
> +#define CSR_MHPMEVENT6H                        0x726
> +#define CSR_MHPMEVENT7H                        0x727
> +#define CSR_MHPMEVENT8H                        0x728
> +#define CSR_MHPMEVENT9H                        0x729
> +#define CSR_MHPMEVENT10H               0x72a
> +#define CSR_MHPMEVENT11H               0x72b
> +#define CSR_MHPMEVENT12H               0x72c
> +#define CSR_MHPMEVENT13H               0x72d
> +#define CSR_MHPMEVENT14H               0x72e
> +#define CSR_MHPMEVENT15H               0x72f
> +#define CSR_MHPMEVENT16H               0x730
> +#define CSR_MHPMEVENT17H               0x731
> +#define CSR_MHPMEVENT18H               0x732
> +#define CSR_MHPMEVENT19H               0x733
> +#define CSR_MHPMEVENT20H               0x734
> +#define CSR_MHPMEVENT21H               0x735
> +#define CSR_MHPMEVENT22H               0x736
> +#define CSR_MHPMEVENT23H               0x737
> +#define CSR_MHPMEVENT24H               0x738
> +#define CSR_MHPMEVENT25H               0x739
> +#define CSR_MHPMEVENT26H               0x73a
> +#define CSR_MHPMEVENT27H               0x73b
> +#define CSR_MHPMEVENT28H               0x73c
> +#define CSR_MHPMEVENT29H               0x73d
> +#define CSR_MHPMEVENT30H               0x73e
> +#define CSR_MHPMEVENT31H               0x73f
> +
> +/* Counter Overflow CSR */
> +#define CSR_SCOUNTOVF                  0xd33
On page 6 of
https://drive.google.com/file/d/171j4jFjIkKdj5LWcExphq4xG_2sihbfd/edit,
the proposed CSR number is 0xDA0.

Regards,
Xiang W

> +
>  /* Debug/Trace Registers */
>  #define CSR_TSELECT                    0x7a0
>  #define CSR_TDATA1                     0x7a1
> -- 
> 2.31.1
> 
>