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From: Conor Dooley <conor.dooley@microchip.com>
To: Jesse Taube <mr.bossman075@gmail.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	Yimin Gu <ustcymgu@gmail.com>,
	Waldemar Brodkorb <wbx@openadk.org>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH v1 2/2] riscv: configs: Add nommu decfconfig for RV32
Date: Fri, 20 Jan 2023 08:05:27 +0000	[thread overview]
Message-ID: <Y8pLR7CUad2eLe+A@wendy> (raw)
In-Reply-To: <20230119052642.1112171-3-Mr.Bossman075@gmail.com>


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Hey Jesse,

Same here w/ a single nit.
I'll leave judging whether supporting rv32 nommu is worthwhile to others!

On Thu, Jan 19, 2023 at 12:26:42AM -0500, Jesse Taube wrote:
> riscv: configs: Add nommu decfconfig for RV32

typo: defconfig

Thanks,
Conor.

> 32bit risc-v can be configured to run without MMU. This patch adds
> an example configuration for RV32 nommu virtual machine.
> 
> Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
> Cc: Yimin Gu <ustcymgu@gmail.com>
> ---
>  arch/riscv/configs/rv32_nommu_virt_defconfig | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 arch/riscv/configs/rv32_nommu_virt_defconfig
> 
> diff --git a/arch/riscv/configs/rv32_nommu_virt_defconfig b/arch/riscv/configs/rv32_nommu_virt_defconfig
> new file mode 100644
> index 000000000000..460907253a80
> --- /dev/null
> +++ b/arch/riscv/configs/rv32_nommu_virt_defconfig
> @@ -0,0 +1,16 @@
> +CONFIG_BLK_DEV_INITRD=y
> +# CONFIG_MMU is not set
> +CONFIG_COMPAT_32BIT_TIME=y
> +CONFIG_SOC_VIRT=y
> +CONFIG_NONPORTABLE=y
> +CONFIG_ARCH_RV32I=y
> +CONFIG_BINFMT_FLAT=y
> +CONFIG_SLOB=y
> +CONFIG_VIRTIO_BLK=y
> +CONFIG_SERIAL_8250=y
> +CONFIG_SERIAL_8250_CONSOLE=y
> +CONFIG_SERIAL_OF_PLATFORM=y
> +CONFIG_VIRTIO_MMIO=y
> +CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
> +CONFIG_EXT2_FS=y
> +CONFIG_PRINTK_TIME=y
> -- 
> 2.39.0
> 
> 

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WARNING: multiple messages have this Message-ID (diff)
From: Conor Dooley <conor.dooley@microchip.com>
To: Jesse Taube <mr.bossman075@gmail.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	Yimin Gu <ustcymgu@gmail.com>,
	Waldemar Brodkorb <wbx@openadk.org>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH v1 2/2] riscv: configs: Add nommu decfconfig for RV32
Date: Fri, 20 Jan 2023 08:05:27 +0000	[thread overview]
Message-ID: <Y8pLR7CUad2eLe+A@wendy> (raw)
In-Reply-To: <20230119052642.1112171-3-Mr.Bossman075@gmail.com>

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Hey Jesse,

Same here w/ a single nit.
I'll leave judging whether supporting rv32 nommu is worthwhile to others!

On Thu, Jan 19, 2023 at 12:26:42AM -0500, Jesse Taube wrote:
> riscv: configs: Add nommu decfconfig for RV32

typo: defconfig

Thanks,
Conor.

> 32bit risc-v can be configured to run without MMU. This patch adds
> an example configuration for RV32 nommu virtual machine.
> 
> Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
> Cc: Yimin Gu <ustcymgu@gmail.com>
> ---
>  arch/riscv/configs/rv32_nommu_virt_defconfig | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 arch/riscv/configs/rv32_nommu_virt_defconfig
> 
> diff --git a/arch/riscv/configs/rv32_nommu_virt_defconfig b/arch/riscv/configs/rv32_nommu_virt_defconfig
> new file mode 100644
> index 000000000000..460907253a80
> --- /dev/null
> +++ b/arch/riscv/configs/rv32_nommu_virt_defconfig
> @@ -0,0 +1,16 @@
> +CONFIG_BLK_DEV_INITRD=y
> +# CONFIG_MMU is not set
> +CONFIG_COMPAT_32BIT_TIME=y
> +CONFIG_SOC_VIRT=y
> +CONFIG_NONPORTABLE=y
> +CONFIG_ARCH_RV32I=y
> +CONFIG_BINFMT_FLAT=y
> +CONFIG_SLOB=y
> +CONFIG_VIRTIO_BLK=y
> +CONFIG_SERIAL_8250=y
> +CONFIG_SERIAL_8250_CONSOLE=y
> +CONFIG_SERIAL_OF_PLATFORM=y
> +CONFIG_VIRTIO_MMIO=y
> +CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
> +CONFIG_EXT2_FS=y
> +CONFIG_PRINTK_TIME=y
> -- 
> 2.39.0
> 
> 

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  reply	other threads:[~2023-01-20  8:06 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-19  5:26 [PATCH v1 0/2] Add RISC-V 32 NOMMU support Jesse Taube
2023-01-19  5:26 ` Jesse Taube
2023-01-19  5:26 ` [PATCH v1 1/2] riscv: Kconfig: Allow RV32 to build with no MMU Jesse Taube
2023-01-19  5:26   ` Jesse Taube
2023-01-20  7:33   ` kernel test robot
2023-01-20  7:33     ` kernel test robot
2023-01-20  7:59   ` Conor Dooley
2023-01-20  7:59     ` Conor Dooley
2023-01-20 17:39     ` Jesse Taube
2023-01-20 17:39       ` Jesse Taube
2023-01-20 20:44       ` Conor Dooley
2023-01-20 20:44         ` Conor Dooley
2023-01-20 20:48         ` Conor Dooley
2023-01-20 20:48           ` Conor Dooley
2023-01-20 20:51           ` Jesse Taube
2023-01-20 20:51             ` Jesse Taube
2023-01-20 20:57             ` Conor Dooley
2023-01-20 20:57               ` Conor Dooley
2023-01-21 15:00               ` Conor Dooley
2023-01-21 15:00                 ` Conor Dooley
2023-01-19  5:26 ` [PATCH v1 2/2] riscv: configs: Add nommu decfconfig for RV32 Jesse Taube
2023-01-19  5:26   ` Jesse Taube
2023-01-20  8:05   ` Conor Dooley [this message]
2023-01-20  8:05     ` Conor Dooley

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