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

Andy Chiu andybnac at gmail.com
Sun Oct 6 09:04:18 PDT 2024


Charlie Jenkins <charlie at rivosinc.com> 於 2024年9月12日 週四 下午1:57寫道:
>
> From: Heiko Stuebner <heiko at sntech.de>
>
> 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 at kernel.org>
> Reviewed-by: Conor Dooley <conor.dooley at microchip.com>
> Signed-off-by: Heiko Stuebner <heiko.stuebner at vrull.eu>
> Signed-off-by: Charlie Jenkins <charlie at rivosinc.com>

Reviewed-by: Andy Chiu <andybnac at gmail.com>

> ---
>  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
>
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv



More information about the linux-riscv mailing list