configs/qemu_riscv64_nomu_virt: enable networking

Enable networking for better user experience.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

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

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.

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