Better virtual file system, keyboard through MMIO&VirtIO

justfile

@@ -17,7 +17,7 @@ build_user_prog prog:
     cp {{ bin_path / prog }} {{ "mnt/usr/bin" / prog }}
     # riscv64-elf-objcopy -O binary {{ bin_path / prog }} {{ "mnt/usr/bin" / prog }}
 
-build: mount_filesystem (map_dir "user" f"just cargo_flags=\"{{cargo_flags}}\" build_user_prog")
+build: mount_filesystem (map_dir "user" f"just release=\"{{release}}\" cargo_flags=\"{{cargo_flags}}\" build_user_prog")
     cargo b {{ cargo_flags }}
     just sync_filesystem
 
@@ -29,7 +29,17 @@ map_dir dir recipe:
         {{ recipe }} $file ; \
     done
 
-qemu := "qemu-system-riscv64 -machine virt -device bochs-display -bios none -m 512M -device loader,file=disk.img,addr=0x90000000"
+qemu := "qemu-system-riscv64 \
+    -machine virt \
+    -device bochs-display \
+    -global virtio-mmio.force-legacy=false \
+    -device virtio-keyboard-device,bus=virtio-mmio-bus.0 \
+    -device loader,file=disk.img,addr=0x90000000 \
+    -bios none -m 512M"
+
+#  \
+# -d guest_errors,unimp \
+# -trace \"virtio*\""
 
 perf: build
     {{ qemu }} -perfmap -kernel {{ bin_path / "kernel-rust" }}&