Practical means

README.md

@@ -4,7 +4,45 @@ Documents a practical means of setting up a virtual OpenWrt device.
 
 Targeting OpenWrt 24.10.1, for testing purposes.
 
-
 ## Other docs
 
 https://openwrt.org/docs/guide-user/virtualization/qemu#openwrt_in_qemu_arm
+
+https://github.com/dineshloganathan395/dineshloganathan395.github.io/blob/main/_posts/2025-03-19-build-openwrt-for-armsr.adoc
+
+## Setup
+Assumes Fedora.
+
+```sh
+sudo dnf install -y qemu-system-aarch64 make
+```
+
+## Running
+
+```sh
+# There are other files here: https://downloads.openwrt.org/snapshots/targets/armsr/armv8/
+wget https://downloads.openwrt.org/releases/24.10.1/targets/armsr/armv8/openwrt-24.10.1-armsr-armv8-generic-squashfs-combined-efi.img.gz
+
+# Unpack.
+gunzip -c openwrt-*armsr-armv8-generic-squashfs-combined-efi.img.gz > openwrt-arm-64.img
+
+# Get, and stash, u-boot.
+mkdir u-boot-qemu_armv8/
+wget -O u-boot-qemu_armv8/u-boot.bin https://downloads.openwrt.org/releases/24.10.1/targets/armsr/armv8/u-boot-qemu_armv8/u-boot.bin
+
+# Start!
+qemu-system-aarch64 -nographic \
+    -cpu cortex-a53 -machine virt \
+    -bios u-boot-qemu_armv8/u-boot.bin \
+    -smp 1 -m 1024 \
+    -device virtio-rng-pci \
+    -drive file=openwrt-arm-64.img,format=raw,index=0,media=disk \
+    -netdev user,id=testlan -net nic,netdev=testlan \
+    -netdev user,id=testwan -net nic,netdev=testwan
+
+# from https://github.com/dineshloganathan395/dineshloganathan395.github.io/blob/main/_posts/2025-03-19-build-openwrt-for-armsr.adoc#running-openwrt-using-qemu-with-generated-images.
+
+# You can use Ctrl-a x to terminate QEMU, or Ctrl-a c to get a QEMU
+# command prompt, similarly to how Ctrl-a : gives you a command prompt
+# in Screen. ... see https://superuser.com/a/1211516 for other QEMUisms.
+```