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From: Anup Patel <anup@brainfault.org>
To: Atish Patra <atishp@rivosinc.com>
Cc: "linux-kernel@vger.kernel.org List"
	<linux-kernel@vger.kernel.org>,
	Atish Patra <atishp@atishpatra.org>,
	Damien Le Moal <damien.lemoal@wdc.com>,
	DTML <devicetree@vger.kernel.org>,
	Jisheng Zhang <jszhang@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
	KVM General <kvm@vger.kernel.org>,
	"open list:KERNEL VIRTUAL MACHINE FOR RISC-V (KVM/riscv)" 
	<kvm-riscv@lists.infradead.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v3 1/4] RISC-V: Add SSTC extension CSR details
Date: Tue, 24 May 2022 16:54:16 +0530	[thread overview]
Message-ID: <CAAhSdy2Xco9wZrQ8tFfFNkNxkOcDksvi3EySdVNFtKGxVyceYQ@mail.gmail.com> (raw)
In-Reply-To: <20220426185245.281182-2-atishp@rivosinc.com>

On Wed, Apr 27, 2022 at 12:23 AM Atish Patra <atishp@rivosinc.com> wrote:
>
> This patch just introduces the required CSR fields related to the
> SSTC extension.
>
> Signed-off-by: Atish Patra <atishp@rivosinc.com>

Looks good to me.

Reviewed-by: Anup Patel <anup@brainfault.org>

Regards,
Anup

> ---
>  arch/riscv/include/asm/csr.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> index e935f27b10fd..10f4e1c36908 100644
> --- a/arch/riscv/include/asm/csr.h
> +++ b/arch/riscv/include/asm/csr.h
> @@ -227,6 +227,9 @@
>  #define CSR_SIP                        0x144
>  #define CSR_SATP               0x180
>
> +#define CSR_STIMECMP           0x14D
> +#define CSR_STIMECMPH          0x15D
> +
>  #define CSR_VSSTATUS           0x200
>  #define CSR_VSIE               0x204
>  #define CSR_VSTVEC             0x205
> @@ -236,6 +239,8 @@
>  #define CSR_VSTVAL             0x243
>  #define CSR_VSIP               0x244
>  #define CSR_VSATP              0x280
> +#define CSR_VSTIMECMP          0x24D
> +#define CSR_VSTIMECMPH         0x25D
>
>  #define CSR_HSTATUS            0x600
>  #define CSR_HEDELEG            0x602
> @@ -251,6 +256,8 @@
>  #define CSR_HTINST             0x64a
>  #define CSR_HGATP              0x680
>  #define CSR_HGEIP              0xe12
> +#define CSR_HENVCFG            0x60A
> +#define CSR_HENVCFGH           0x61A
>
>  #define CSR_MSTATUS            0x300
>  #define CSR_MISA               0x301
> @@ -312,6 +319,10 @@
>  #define IE_TIE         (_AC(0x1, UL) << RV_IRQ_TIMER)
>  #define IE_EIE         (_AC(0x1, UL) << RV_IRQ_EXT)
>
> +/* ENVCFG related bits */
> +#define HENVCFG_STCE   63
> +#define HENVCFGH_STCE  31
> +
>  #ifndef __ASSEMBLY__
>
>  #define csr_swap(csr, val)                                     \
> --
> 2.25.1
>

WARNING: multiple messages have this Message-ID
From: Anup Patel <anup@brainfault.org>
To: Atish Patra <atishp@rivosinc.com>
Cc: "linux-kernel@vger.kernel.org List"
	<linux-kernel@vger.kernel.org>,
	Atish Patra <atishp@atishpatra.org>,
	 Damien Le Moal <damien.lemoal@wdc.com>,
	DTML <devicetree@vger.kernel.org>,
	 Jisheng Zhang <jszhang@kernel.org>,
	 Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
	KVM General <kvm@vger.kernel.org>,
	 "open list:KERNEL VIRTUAL MACHINE FOR RISC-V (KVM/riscv)"
	<kvm-riscv@lists.infradead.org>,
	 linux-riscv <linux-riscv@lists.infradead.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	 Paul Walmsley <paul.walmsley@sifive.com>,
	Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v3 1/4] RISC-V: Add SSTC extension CSR details
Date: Tue, 24 May 2022 16:54:16 +0530	[thread overview]
Message-ID: <CAAhSdy2Xco9wZrQ8tFfFNkNxkOcDksvi3EySdVNFtKGxVyceYQ@mail.gmail.com> (raw)
In-Reply-To: <20220426185245.281182-2-atishp@rivosinc.com>

On Wed, Apr 27, 2022 at 12:23 AM Atish Patra <atishp@rivosinc.com> wrote:
>
> This patch just introduces the required CSR fields related to the
> SSTC extension.
>
> Signed-off-by: Atish Patra <atishp@rivosinc.com>

Looks good to me.

Reviewed-by: Anup Patel <anup@brainfault.org>

Regards,
Anup

> ---
>  arch/riscv/include/asm/csr.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> index e935f27b10fd..10f4e1c36908 100644
> --- a/arch/riscv/include/asm/csr.h
> +++ b/arch/riscv/include/asm/csr.h
> @@ -227,6 +227,9 @@
>  #define CSR_SIP                        0x144
>  #define CSR_SATP               0x180
>
> +#define CSR_STIMECMP           0x14D
> +#define CSR_STIMECMPH          0x15D
> +
>  #define CSR_VSSTATUS           0x200
>  #define CSR_VSIE               0x204
>  #define CSR_VSTVEC             0x205
> @@ -236,6 +239,8 @@
>  #define CSR_VSTVAL             0x243
>  #define CSR_VSIP               0x244
>  #define CSR_VSATP              0x280
> +#define CSR_VSTIMECMP          0x24D
> +#define CSR_VSTIMECMPH         0x25D
>
>  #define CSR_HSTATUS            0x600
>  #define CSR_HEDELEG            0x602
> @@ -251,6 +256,8 @@
>  #define CSR_HTINST             0x64a
>  #define CSR_HGATP              0x680
>  #define CSR_HGEIP              0xe12
> +#define CSR_HENVCFG            0x60A
> +#define CSR_HENVCFGH           0x61A
>
>  #define CSR_MSTATUS            0x300
>  #define CSR_MISA               0x301
> @@ -312,6 +319,10 @@
>  #define IE_TIE         (_AC(0x1, UL) << RV_IRQ_TIMER)
>  #define IE_EIE         (_AC(0x1, UL) << RV_IRQ_EXT)
>
> +/* ENVCFG related bits */
> +#define HENVCFG_STCE   63
> +#define HENVCFGH_STCE  31
> +
>  #ifndef __ASSEMBLY__
>
>  #define csr_swap(csr, val)                                     \
> --
> 2.25.1
>

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  reply	other threads:[~2022-05-24 11:24 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-26 18:52 [PATCH v3 0/4] Add Sstc extension support Atish Patra
2022-04-26 18:52 ` Atish Patra
2022-04-26 18:52 ` [PATCH v3 1/4] RISC-V: Add SSTC extension CSR details Atish Patra
2022-04-26 18:52   ` Atish Patra
2022-05-24 11:24   ` Anup Patel [this message]
2022-05-24 11:24     ` Anup Patel
2022-04-26 18:52 ` [PATCH v3 2/4] RISC-V: Enable sstc extension parsing from DT Atish Patra
2022-04-26 18:52   ` Atish Patra
2022-05-24 11:25   ` Anup Patel
2022-05-24 11:25     ` Anup Patel
2022-04-26 18:52 ` [PATCH v3 3/4] RISC-V: Prefer sstc extension if available Atish Patra
2022-04-26 18:52   ` Atish Patra
2022-05-24 11:30   ` Anup Patel
2022-05-24 11:30     ` Anup Patel
2022-04-26 18:52 ` [PATCH v3 4/4] RISC-V: KVM: Support sstc extension Atish Patra
2022-04-26 18:52   ` Atish Patra
2022-04-26 21:10   ` Jessica Clarke
2022-04-26 21:10     ` Jessica Clarke
2022-05-08  7:49     ` Atish Patra
2022-05-08  7:49       ` Atish Patra
2022-05-24 11:39   ` Anup Patel
2022-05-24 11:39     ` Anup Patel

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