Date:   Wed, 15 Mar 2023 18:31:50 +0000
From:   Conor Dooley <conor@kernel.org>
To:     Heiko Stuebner <heiko@sntech.de>
Cc:     palmer@dabbelt.com, linux-riscv@lists.infradead.org,
        samuel@sholland.org, guoren@kernel.org,
        christoph.muellner@vrull.eu, conor.dooley@microchip.com,
        linux-kernel@vger.kernel.org,
        Heiko Stuebner <heiko.stuebner@vrull.eu>
Subject: Re: [PATCH RFC 1/2] RISC-V: define the elements of the VCSR vector
 CSR
Message-ID: <7aac603a-6e9a-4e72-b41b-9412e2fe904d@spud>
References: <20230228215435.3366914-1-heiko@sntech.de>
 <20230228215435.3366914-2-heiko@sntech.de>
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On Tue, Feb 28, 2023 at 10:54:34PM +0100, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@vrull.eu>
>=20
> The VCSR CSR contains two elements VXRM[2:1] and VXSAT[0].
>=20
> Define constants for those to access the elements in a readable way.
>=20
> Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

> ---
>  arch/riscv/include/asm/csr.h | 5 +++++
>  1 file changed, 5 insertions(+)
>=20
> diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> index add51662b7c3..8b06f2472915 100644
> --- a/arch/riscv/include/asm/csr.h
> +++ b/arch/riscv/include/asm/csr.h
> @@ -176,6 +176,11 @@
>  #define ENVCFG_CBIE_INV			_AC(0x3, UL)
>  #define ENVCFG_FIOM			_AC(0x1, UL)
> =20
> +/* VCSR flags */
> +#define VCSR_VXRM_MASK			3
> +#define VCSR_VXRM_SHIFT			1
> +#define VCSR_VXSAT_MASK			1
> +
>  /* symbolic CSR names: */
>  #define CSR_CYCLE		0xc00
>  #define CSR_TIME		0xc01
> --=20
> 2.39.0
>=20

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