Re: [PATCH v10 06/14] RISC-V: define the elements of the VCSR vector CSR

[Andy Chiu]

Charlie Jenkins <charlie@xxxxxxxxxxxx> 於 2024年9月12日 週四 下午1:57寫道：
>
> From: Heiko Stuebner <heiko@xxxxxxxxx>
>
> The VCSR CSR contains two elements VXRM[2:1] and VXSAT[0].
>
> Define constants for those to access the elements in a readable way.
>
> Acked-by: Guo Ren <guoren@xxxxxxxxxx>
> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Signed-off-by: Heiko Stuebner <heiko.stuebner@xxxxxxxx>
> Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx>

Reviewed-by: Andy Chiu <andybnac@xxxxxxxxx>

> ---
>  arch/riscv/include/asm/csr.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> index 25966995da04..3eeb07d73065 100644
> --- a/arch/riscv/include/asm/csr.h
> +++ b/arch/riscv/include/asm/csr.h
> @@ -300,6 +300,10 @@
>  #define CSR_STIMECMP           0x14D
>  #define CSR_STIMECMPH          0x15D
>
> +#define VCSR_VXRM_MASK                 3
> +#define VCSR_VXRM_SHIFT                        1
> +#define VCSR_VXSAT_MASK                        1
> +
>  /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
>  #define CSR_SISELECT           0x150
>  #define CSR_SIREG              0x151
>
> --
> 2.45.0
>
>
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