diff mbox series

[v1,2/2] riscv: configs: Add nommu decfconfig for RV32

Message ID 20230119052642.1112171-3-Mr.Bossman075@gmail.com
State New
Headers
Series Add RISC-V 32 NOMMU support |

Commit Message

Jesse T Jan. 19, 2023, 5:26 a.m. UTC 
  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

Comments

Conor Dooley Jan. 20, 2023, 8:05 a.m. UTC | #1 
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
> 
>
diff mbox series

Patch

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