[Buildroot] [PATCH] configs/qemu_riscv64_nomu_virt_defconfig: enable networking

[Buildroot] [PATCH] configs/qemu_riscv64_nomu_virt_defconfig: enable networking

[Waldemar Brodkorb]

Enable networking for better user experience.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
 board/qemu/riscv64-virt/linux-nommu.config | 22 ++++++++++++++++++++++
 board/qemu/riscv64-virt/readme.txt         |  2 +-
 configs/qemu_riscv64_nommu_virt_defconfig  |  7 +++----
 3 files changed, 26 insertions(+), 5 deletions(-)
 create mode 100644 board/qemu/riscv64-virt/linux-nommu.config

diff --git a/board/qemu/riscv64-virt/linux-nommu.config b/board/qemu/riscv64-virt/linux-nommu.config
new file mode 100644
index 0000000000..9adf494260
--- /dev/null
+++ b/board/qemu/riscv64-virt/linux-nommu.config
@@ -0,0 +1,22 @@
+CONFIG_ARCH_RV64I=y
+CONFIG_64BIT=y
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_MMU is not set
+CONFIG_SOC_VIRT=y
+CONFIG_NONPORTABLE=y
+CONFIG_BINFMT_FLAT=y
+CONFIG_SLOB=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_NETDEVICES=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_VIRTIO_NET=y
+CONFIG_EXT2_FS=y
+CONFIG_PRINTK_TIME=y
diff --git a/board/qemu/riscv64-virt/readme.txt b/board/qemu/riscv64-virt/readme.txt
index 9e4cfc8c55..f1c7bf41b5 100644
--- a/board/qemu/riscv64-virt/readme.txt
+++ b/board/qemu/riscv64-virt/readme.txt
@@ -2,6 +2,6 @@ Run Linux in emulation with:
 
   qemu-system-riscv64 -M virt -bios output/images/fw_jump.elf -kernel output/images/Image -append "rootwait root=/dev/vda ro" -drive file=output/images/rootfs.ext2,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -netdev user,id=net0 -device virtio-net-device,netdev=net0 -nographic # qemu_riscv64_virt_defconfig
 
-  qemu-system-riscv64 -M virt -bios none -kernel output/images/Image -append "rootwait root=/dev/vda ro" -drive file=output/images/rootfs.ext2,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -nographic -cpu rv64,mmu=off # qemu_riscv64_nommu_virt_defconfig
+  qemu-system-riscv64 -M virt -bios none -kernel output/images/Image -append "rootwait root=/dev/vda ro" -drive file=output/images/rootfs.ext2,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 -nographic -cpu rv64,mmu=off -netdev user,id=net0 -device virtio-net-device,netdev=net0 # qemu_riscv64_nommu_virt_defconfig
 
 The login prompt will appear in the terminal that started Qemu.
diff --git a/configs/qemu_riscv64_nommu_virt_defconfig b/configs/qemu_riscv64_nommu_virt_defconfig
index 34dd1c88ba..f6f1fa1c5b 100644
--- a/configs/qemu_riscv64_nommu_virt_defconfig
+++ b/configs/qemu_riscv64_nommu_virt_defconfig
@@ -7,6 +7,7 @@ BR2_RISCV_64=y
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
 
 # System
+BR2_SYSTEM_DHCP="eth0"
 BR2_TARGET_GENERIC_GETTY=y
 
 # Filesystem
@@ -20,12 +21,10 @@ BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.6.18"
-BR2_LINUX_KERNEL_DEFCONFIG="nommu_virt"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/riscv64-virt/linux-nommu.config"
 BR2_LINUX_KERNEL_IMAGE=y
 
-# Disable network scripts
-# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
-
 # host-qemu for gitlab testing
 BR2_PACKAGE_HOST_QEMU=y
 BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
-- 
2.30.2

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Re: [Buildroot] [PATCH] configs/qemu_riscv64_nomu_virt_defconfig: enable networking

[Thomas Petazzoni via buildroot]

On Sat, 11 May 2024 15:41:59 +0200
Waldemar Brodkorb <wbx@openadk.org> wrote:

> Enable networking for better user experience.
> 
> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
> ---
>  board/qemu/riscv64-virt/linux-nommu.config | 22 ++++++++++++++++++++++
>  board/qemu/riscv64-virt/readme.txt         |  2 +-
>  configs/qemu_riscv64_nommu_virt_defconfig  |  7 +++----
>  3 files changed, 26 insertions(+), 5 deletions(-)
>  create mode 100644 board/qemu/riscv64-virt/linux-nommu.config

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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