os: build bootable images

crates/xen/xenclient/examples/boot.rs

@@ -13,7 +13,7 @@ async fn main() -> Result<()> {
     }
     let kernel_image_path = args.get(1).expect("argument not specified");
     let initrd_path = args.get(2).expect("argument not specified");
-    let mut client = XenClient::open().await?;
+    let mut client = XenClient::open(0).await?;
     let config = DomainConfig {
         backend_domid: 0,
         name: "xenclient-test",

crates/xen/xenclient/src/lib.rs

@@ -83,9 +83,9 @@ pub struct DomainConfig<'a> {
 }
 
 impl XenClient {
-    pub async fn open() -> Result<XenClient> {
+    pub async fn open(current_domid: u32) -> Result<XenClient> {
         let store = XsdClient::open().await?;
-        let call = XenCall::open()?;
+        let call = XenCall::open(current_domid)?;
         Ok(XenClient { store, call })
     }